Android 通知管理器不显示任何类型的通知
我对android非常陌生,我有一个GCM客户端和服务器,运行良好。当应用程序运行时,我会收到来自服务器的通知 但当应用程序不运行时,我没有得到任何响应 以下是我用于生成通知的代码:Android 通知管理器不显示任何类型的通知,android,notifications,Android,Notifications,我对android非常陌生,我有一个GCM客户端和服务器,运行良好。当应用程序运行时,我会收到来自服务器的通知 但当应用程序不运行时,我没有得到任何响应 以下是我用于生成通知的代码: private void generateNotification(Context context, String message) { int icon = 1; long when = System.currentTimeMillis(); Notific
private void generateNotification(Context context, String message) {
int icon = 1;
long when = System.currentTimeMillis();
NotificationManager notificationManager = (NotificationManager)
context.getSystemService(Context.NOTIFICATION_SERVICE);
Notification notification = new Notification(icon, message, when);
String title = context.getString(R.string.app_name);
Intent notificationIntent = new Intent(context, DemoActivity.class);
// set intent so it does not start a new activity
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP |
Intent.FLAG_ACTIVITY_SINGLE_TOP);
PendingIntent intent =
PendingIntent.getActivity(context, 0, notificationIntent, 0);
notification.setLatestEventInfo(context, title, message, intent);
notification.flags |= Notification.FLAG_AUTO_CANCEL;
notificationManager.notify(0, notification);
}
通过以下方式调用:
@Override
protected void onMessage(Context context, Intent intent) {
generateNotification(context, "Tock Tock");
}
当我看到logcat时,我得到如下错误:
Unable to find resource: 1
W/ImageView( 58): android.content.res.Resources$NotFoundException: Resource ID #0x1
W/ImageView( 58): at android.content.res.Resources.getValue(Resources.java:892)
W/ImageView( 58): at android.content.res.Resources.getDrawable(Resources.java:580)
W/ImageView( 58): at android.widget.ImageView.resolveUri(ImageView.java:489)
W/ImageView( 58): at android.widget.ImageView.onMeasure(ImageView.java:592)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1012)
W/ImageView( 58): at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:696)
W/ImageView( 58): at android.widget.LinearLayout.onMeasure(LinearLayout.java:306)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1012)
W/ImageView( 58): at android.widget.LinearLayout.measureVertical(LinearLayout.java:381)
W/ImageView( 58): at android.widget.LinearLayout.onMeasure(LinearLayout.java:304)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1012)
W/ImageView( 58): at android.widget.LinearLayout.measureVertical(LinearLayout.java:381)
W/ImageView( 58): at android.widget.LinearLayout.onMeasure(LinearLayout.java:304)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1012)
W/ImageView( 58): at android.widget.LinearLayout.measureVertical(LinearLayout.java:381)
W/ImageView( 58): at android.widget.LinearLayout.onMeasure(LinearLayout.java:304)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1012)
W/ImageView( 58): at android.widget.LinearLayout.measureVertical(LinearLayout.java:381)
W/ImageView( 58): at android.widget.LinearLayout.onMeasure(LinearLayout.java:304)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.widget.ScrollView.measureChildWithMargins(ScrollView.java:989)
W/ImageView( 58): at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
W/ImageView( 58): at android.widget.ScrollView.onMeasure(ScrollView.java:286)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1012)
W/ImageView( 58): at android.widget.LinearLayout.measureVertical(LinearLayout.java:381)
W/ImageView( 58): at android.widget.LinearLayout.onMeasure(LinearLayout.java:304)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
W/ImageView( 58): at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
W/ImageView( 58): at android.view.View.measure(View.java:8171)
W/ImageView( 58): at android.view.ViewRoot.performTraversals(ViewRoot.java:801)
W/ImageView( 58): at android.view.ViewRoot.handleMessage(ViewRoot.java:1727)
W/ImageView( 58): at android.os.Handler.dispatchMessage(Handler.java:99)
W/ImageView( 58): at android.os.Looper.loop(Looper.java:123)
W/ImageView( 58): at com.android.server.ServerThread.run(SystemServer.java:506)
不知道我在哪里犯了错误。我将遵循来自的示例教程
提前感谢。问题在于
int icon=1代码>
您应该在那里添加一个真实的资源id,这样它就会显示在通知栏中。您将获得Resources$NotFoundException
,因为找不到id为1
的资源
例如,如果将名为xyz.png
的图像放入res/drawable
文件夹,则图像的id将为R.drawable.xyz
,可以从以下代码调用:
int icon = R.drawable.xyz;
问题在于int-icon=1代码>
您应该在那里添加一个真实的资源id,这样它就会显示在通知栏中。您将获得Resources$NotFoundException
,因为找不到id为1
的资源
例如,如果将名为xyz.png
的图像放入res/drawable
文件夹,则图像的id将为R.drawable.xyz
,可以从以下代码调用:
int icon = R.drawable.xyz;