Android 在应用程序运行或关闭的特定时间显示对话框
我有应用程序,我需要在特定时间打开对话框,我在互联网上搜索过,但它不工作,例如,我需要在每天8:00打开对话框,但我如何处理应用程序关闭的情况 这是我在网上找到的东西Android 在应用程序运行或关闭的特定时间显示对话框,android,Android,我有应用程序,我需要在特定时间打开对话框,我在互联网上搜索过,但它不工作,例如,我需要在每天8:00打开对话框,但我如何处理应用程序关闭的情况 这是我在网上找到的东西 AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE); alarmManager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemC
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
alarmManager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP,
SystemClock.elapsedRealtime(),
2*60*1000,
pendingIntent);
尝试以上代码使用通知可能会有所帮助 MainActivity.java
package com.example;
import java.util.Calendar;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
public class MainActivity extends Activity
{
private PendingIntent pendingIntent;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Calendar calendar = Calendar.getInstance();
//set notification for date --> 8th January 2015 at 9:06:00 PM , here month starts from 0 like 0 to Jan, 1 to Feb...
calendar.set(Calendar.MONTH, 6);
calendar.set(Calendar.YEAR, 2017);
calendar.set(Calendar.DAY_OF_MONTH, 18);
calendar.set(Calendar.HOUR_OF_DAY, 18);
calendar.set(Calendar.MINUTE, 22);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.AM_PM,Calendar.PM);
Intent myIntent = new Intent(MainActivity.this, MyReceiver.class);
pendingIntent = PendingIntent.getBroadcast(MainActivity.this, 0, myIntent,0);
AlarmManager alarmManager = (AlarmManager)getSystemService(ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC, calendar.getTimeInMillis(), pendingIntent);
} //end onCreate
}
java
package com.example;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
public class MyReceiver extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
/*Intent service1 = new Intent(context, MyAlarmService.class);
context.startService(service1);*/
Log.i("App", "called receiver method");
try{
Utils.generateNotification(context);
}catch(Exception e){
e.printStackTrace();
}
}
}
现在终于创建utils.java了
package com.example;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
public class Utils {
public static NotificationManager mManager;
@SuppressWarnings("static-access")
public static void generateNotification(Context context){
Notification.Builder builder = new Notification.Builder(context);
Intent notificationIntent = new Intent(context,MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(context, 0,notificationIntent, 0);
builder.setSmallIcon(R.drawable. notification_template_icon_bg)
.setContentTitle("This is a test message!")
.setContentIntent(pendingIntent);
NotificationManager notificationManager = (NotificationManager) context.getSystemService(NOTIFICATION_SERVICE);
Notification notification = builder.getNotification();
notificationManager.notify(R.drawable.notification_template_icon_bg, notification);
}
}
您的清单文件如上所述
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="10" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver android:name=".MyReceiver"/>
</application>
</manifest>
github repo我建议您不要这样做(这违反了Android设计和UI准则)。通知是完成所做工作的首选方式
如果你真的想显示对话,我建议你只使用对话主题的活动。这样,您就不必启动单独的对话框
。将活动创建为对话框主题
并从服务启动该活动
1) 为对话框活动创建样式
<style name="Theme.CustomTranslucent" parent="android:style/Theme.Translucent">
<item name="android:backgroundDimEnabled">true</item>
<item name="android:backgroundDimAmount">0.5</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
<item name="android:background">@android:color/transparent</item>
</style>
如果应用程序已关闭,则您无法执行此操作,但您可以通过通知通知通知用户确定感谢重播,,但我如何在特定时间生成本地通知?转到此链接sry此链接无法打开“您的连接不是私有的”使用BroadcastReceiver并打开透明活动,而不是对话框。请检查此sry,但这一行,,,notification.setLatestEventInfo(this.getApplicationContext(),“AlarmManagerDemo”,“这是一条测试消息!”,pendingNotificationIntent);不要再爱了!!!此SetLateStevenInfo无法解析,如果没有它,应用程序将无法解析running@MoayedAlaysehSetLateStevenInfo()在API 23中已被去除。现在请尝试更新的util.java fileLet。您可以获得警报的回调,对吗?当您获得回调时,您必须将此回调发送给广播接收器(已注册并确保您的广播是全球性的)从广播中,您可以启动显示活动的服务。
<activity
android:name=".activity.NotificationActivity"
android:theme="@style/Theme.CustomTranslucent">