Android Q 隐私篇(3) - 限制后台活动

 1class MainActivity : AppCompatActivity() {
 2
 3    override fun onCreate(savedInstanceState: Bundle?) {
 4        super.onCreate(savedInstanceState)
 5        setContentView(R.layout.activity_main)
 6
 7        Handler().postDelayed({
 8            startActivity(Intent(this, this.javaClass))
 9            finish()
10        }, 3000)
11    }
12}

 1val fullScreenIntent = Intent(this, CallActivity::class.java)
 2val fullScreenPendingIntent = PendingIntent.getActivity(this, 0,
 3    fullScreenIntent, PendingIntent.FLAG_UPDATE_CURRENT)
 4
 5val notificationBuilder = NotificationCompat.Builder(this, CHANNEL_ID)
 6    .setSmallIcon(R.drawable.notification_icon)
 7    .setContentTitle("Incoming call")
 8    .setContentText("(919) 555-1234")
 9    .setPriority(NotificationCompat.PRIORITY_HIGH)
10    .setCategory(NotificationCompat.CATEGORY_CALL)
11
12    // Use a full-screen intent only for the highest-priority alerts where you
13    // have an associated activity that you would like to launch after the user
14    // interacts with the notification. Also, if your app targets Android Q, you
15    // need to request the USE_FULL_SCREEN_INTENT permission in order for the
16    // platform to invoke this notification.
17    .setFullScreenIntent(fullScreenPendingIntent, true)
18
19val incomingCallNotification = notificationBuilder.build()

1// Provide a unique integer for the "notificationId" of each notification.
2startForeground(notificationId, notification)