Android 创建自定义大通知
我想创建一个包含一些控件的通知。由于文本和控件的默认通知大小（64dp）很小，所以我希望它比默认大小大。Android 创建自定义大通知,android,android-layout,android-notifications,Android,Android Layout,Android Notifications,我想创建一个包含一些控件的通知。由于文本和控件的默认通知大小（64dp）很小，所以我希望它比默认大小大。 可以创建更大的通知，我认为也可以自定义布局，但我不知道如何创建 <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"
可以创建更大的通知，我认为也可以自定义布局，但我不知道如何创建
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
感谢因API更改而更新：
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
Notification.Builder请注意，各州的文件：
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
原始答案
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
setStyle（）通知后手动设置通知的bigContentView
字段。看起来有点老套，但这是我最后想到的：
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
通知\u layout\u big.xml：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="100dp" <!-- This is where I manually define the height -->
android:orientation="horizontal" >
<!-- some more elements.. -->
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
编辑
如chx101所述，这仅适用于API>=16的情况。我在回答中没有提到它，但在上面给出的链接教程中提到了它：
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
扩展通知最早是在Android 4.1 JellyBean[API 16]中引入的
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
使用Kotlin生成自定义通知
对话框\自定义\通知
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="@dimen/dp_10"
android:background="@drawable/shape_bg_main_notification"
android:gravity="center"
android:orientation="horizontal"
android:padding="@dimen/dp_10">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<ImageView
android:id="@+id/ivAppIcon"
android:layout_width="@dimen/dp_36"
android:layout_height="@dimen/dp_36"
android:layout_gravity="top"
android:background="@mipmap/ic_launcher" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_marginLeft="@dimen/dp_10"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/tvNotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Notification Tile"
android:textStyle="bold" />
<TextView
android:id="@+id/tvNotificationDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/dp_5"
android:text="Notification Description" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top">
<TextView
android:id="@+id/tvDateTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="top"
android:text="09:50" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
shape_bg_main_notification
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="@dimen/dp_6" />
</shape>
@SuppressLint("WrongConstant")
fun showOfflineNotification(context: Context, title: String, description: String) {
val NOTIFICATION_CHANNEL_ID = "com.myapp"
val intent = Intent(context, HomeActivity::class.java)
intent.putExtra("notification", 1)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
if (intent != null) {
val pendingIntent = PendingIntent.getActivity(
context, getTwoDigitRandomNo(), intent,
PendingIntent.FLAG_ONE_SHOT
)
val defaultSoundUri =
RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
val remoteCollapsedViews = RemoteViews(packageName, R.layout.dialog_custom_notification)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationTitle, title)
remoteCollapsedViews.setTextViewText(R.id.tvNotificationDescription, description)
remoteCollapsedViews.setTextViewText(R.id.tvDateTime, getTime())
val notificationBuilder = NotificationCompat.Builder(context)
notificationBuilder.setCustomBigContentView(remoteCollapsedViews)
notificationBuilder.setSmallIcon(R.mipmap.ic_launcher_round)
notificationBuilder.setLargeIcon(
BitmapFactory.de
codeResource(
context.resources,
R.mipmap.ic_launcher
)
)
notificationBuilder.setBadgeIconType(R.mipmap.ic_launcher_round)
notificationBuilder.setContentTitle(title)
if (description != null) {
notificationBuilder.setContentText(description)
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle().bigText(description)
)
}
notificationBuilder.setPriority(NotificationCompat.PRIORITY_HIGH)
notificationBuilder.setAutoCancel(true)
notificationBuilder.setSound(defaultSoundUri)
notificationBuilder.setVibrate(longArrayOf(1000, 1000))
notificationBuilder.setContentIntent(pendingIntent)
val notificationManager =
context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val importance = NotificationManager.IMPORTANCE_MAX
val notificationChannel = NotificationChannel(
NOTIFICATION_CHANNEL_ID,
"NOTIFICATION_CHANNEL_NAME",
importance
)
notificationChannel.enableLights(true)
notificationChannel.lightColor = Color.RED
notificationChannel.enableVibration(true)
notificationChannel.vibrationPattern = longArrayOf(1000, 1000)
assert(notificationManager != null)
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL_ID)
notificationManager.createNotificationChannel(notificationChannel)
}
notificationManager.notify(
getTwoDigitRandomNo()/*Id of Notification*/,
notificationBuilder.build()
)
}
}
private fun getTime(): String {
val calendar = Calendar.getInstance()
val mdformat = SimpleDateFormat("HH:mm")
val strDate = mdformat.format(calendar.time)
return strDate
}
fun getTwoDigitRandomNo(): Int {
return Random().nextInt(90) + 10
}
[1]: https://me.stack.imgur.com/rQFP8.png
[1]: https://me.stack.imgur.com/fKM9C.png
形状\u背景\u主\u通知
@SuppressLint（“错误常量”）
趣味showOfflineNotification（上下文：上下文，标题：字符串，描述：字符串）{
val通知\u通道\u ID=“com.myapp”
val intent=intent（上下文，HomeActivity:：class.java）
意向。额外（“通知”，1）
intent.addFlags（intent.FLAG\u活动\u清除\u顶部）
if（intent！=null）{
val pendingent=pendingent.getActivity(
上下文，getTwoDigitRandomNo（），intent，
悬垂的帐篷，旗帜，一枪
)
val defaultSoundUri=
RingtoneManager.getDefaultUri（RingtoneManager.TYPE_通知）
val remoteCollapsedViews=远程视图（packageName，R.layout.dialog\u custom\u通知）
remoteCollapsedViews.setTextViewText（R.id.tNotificationTitle，title）
remoteCollapsedViews.setTextViewText（R.id.tNotificationDescription，description）
remoteCollapsedViews.setTextViewText（R.id.tvDateTime，getTime（））
val notificationBuilder=NotificationCompat.Builder（上下文）
notificationBuilder.setCustomBigContentView（remoteCollapsedViews）
notificationBuilder.setSmallIcon（R.mipmap.ic_launcher_round）
notificationBuilder.setLargeIcon(
BitmapFactory.de
代码资源(
背景资源，
R.mipmap.ic_启动器
)
)
notificationBuilder.setBadgeIconType（R.mipmap.ic_launcher_round）
notificationBuilder.setContentTitle（标题）
if（说明！=null）{
notificationBuilder.setContentText（说明）
notificationBuilder.setStyle(
NotificationCompat.BigTextStyle（）.bigText（说明）
)
}
notificationBuilder.setPriority（NotificationCompat.PRIORITY_HIGH）
notificationBuilder.setAutoCancel（真）
notificationBuilder.setSound（defaultSoundUri）
notificationBuilder.SetVibration（longArrayOf（10001000））
notificationBuilder.setContentIntent（挂起内容）
val通知经理=
作为NotificationManager的context.getSystemService（context.NOTIFICATION\u服务）
if（Build.VERSION.SDK\u INT>=Build.VERSION\u code.O）{
val重要性=NotificationManager.importance\u MAX
val notificationChannel=notificationChannel(