我尝试使用下一个代码启动广播接收器的活动
Intent i = new Intent(context, AlarmNotification.class);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { // This is at least android 10...
NotificationManager mgr = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
if (mgr.getNotificationChannel(CHANNEL_WHATEVER)==null) {
mgr.createNotificationChannel(new NotificationChannel(CHANNEL_WHATEVER,
"Whatever", NotificationManager.IMPORTANCE_HIGH));
}
mgr.notify(NOTIFY_ID, buildNormal(context, i).build());
}
private NotificationCompat.Builder buildNormal(Context context, Intent intent) {
NotificationCompat.Builder b=
new NotificationCompat.Builder(context, CHANNEL_WHATEVER);
b.setAutoCancel(true)
.setDefaults(Notification.DEFAULT_ALL)
.setSmallIcon(android.R.drawable.ic_lock_idle_alarm)
.setStyle(new NotificationCompat.BigTextStyle()
.bigText(TEXT)
.setContentText(TEXT)
.setFullScreenIntent(buildPendingIntent(context, intent), true);
return(b);
}
private PendingIntent buildPendingIntent(Context context, Intent intent) {
return(PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT));
}
一开始,一切都很好。但如果我进入应用程序设置,关闭CHANNEL_WHATEVER的通知通道,然后再次打开。稍后,当我调用NotificationManager.notify时,它会在通知抽屉中显示通知,但不会启动活动。如果我删除该应用程序并重新安装,它会再次正常工作。这是我应该报告的 android 10 的错误吗?或者我可以对此做些什么?
在Android 10中我们需要添加权限USE_FULL_SCREEN_INTENT
全屏意图的权限更改
确保您已在清单文件中添加权限
示例代码
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.nilu.demo">
<uses-permission android:name="android.permission.USE_FULL_SCREEN_INTENT" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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