[英]Show Activity passed lockscreen
I'm building an alarm clock app. 我正在构建一个闹钟应用程序。 When the alarm goes off, I launch an activity with a video.
警报响起时,我会启动一个带有视频的活动。 If my screen is not locked, the activity pops up and plays the video, but when the screen is locked, it only plays the audio and turns the screen on.
如果我的屏幕未锁定,则活动会弹出并播放视频,但是当屏幕锁定时,它只会播放音频并打开屏幕。 When I manually unlock the screen, the activity gets dismissed.
当我手动解锁屏幕时,该活动将被取消。
Ideally it would get passed the lockscreen & show me the activity, so the video immeditality pops up. 理想情况下,它将通过锁屏并向我显示活动,因此弹出视频提示。
This is the most important part of that activity (it starts from a service) 这是该活动最重要的部分(从服务开始)
public class AlarmScreen extends Activity {
private PowerManager.WakeLock mWakeLock;
private AudioManager audio;
private static final int WAKELOCK_TIMEOUT = 60 * 1000;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alarm_screen);
btnDismiss.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
//play video
//getWindow().setFormat(PixelFormat.TRANSLUCENT);
//if you want the controls to appear
// videoHolder.setMediaController(new MediaController(this));
Uri video = Uri.parse("android.resource://" + getPackageName() + "/"
+ R.raw.video1small);
videoViewAlarm.setVideoURI(video);
videoViewAlarm.start();
//Ensure wakelock release
Runnable releaseWakelock = new Runnable() {
@Override
public void run() {
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
if (mWakeLock != null && mWakeLock.isHeld()) {
mWakeLock.release();
}
}
};
new Handler().postDelayed(releaseWakelock, WAKELOCK_TIMEOUT);
}
@SuppressWarnings("deprecation")
@Override
protected void onResume() {
super.onResume();
// Set the window to keep screen on
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
// Acquire wakelock
PowerManager pm = (PowerManager) getApplicationContext().getSystemService(Context.POWER_SERVICE);
if (mWakeLock == null) {
mWakeLock = pm.newWakeLock((PowerManager.FULL_WAKE_LOCK | PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP), TAG);
}
if (!mWakeLock.isHeld()) {
mWakeLock.acquire();
Log.i(TAG, "Wakelock aquired!!");
}
}
@Override
protected void onPause() {
super.onPause();
if (mWakeLock != null && mWakeLock.isHeld()) {
mWakeLock.release();
}
finish();
}
}
My Logs: 我的日志:
11-02 16:27:00.430 9977-9977/be.thomascbeerten.yomommaoclock D/AlarmScreen﹕ onCreate
11-02 16:27:00.450 9977-9977/be.thomascbeerten.yomommaoclock D/AlarmScreen﹕ Starting video
11-02 16:27:00.460 9977-9977/be.thomascbeerten.yomommaoclock D/AlarmScreen﹕ onResume
11-02 16:27:00.460 9977-9977/be.thomascbeerten.yomommaoclock I/AlarmScreen﹕ Wakelock aquired!!
11-02 16:27:00.470 9977-9977/be.thomascbeerten.yomommaoclock D/AlarmScreen﹕ OnPause
11-02 16:27:00.940 9977-9977/be.thomascbeerten.yomommaoclock I/Timeline﹕ Timeline: Activity_idle id: android.os.BinderProxy@42c1e128 time:28154499
11-02 16:27:01.000 9977-9977/be.thomascbeerten.yomommaoclock D/MediaPlayer﹕ getMetadata
11-02 16:27:13.670 9977-9989/be.thomascbeerten.yomommaoclock W/MediaPlayer﹕ info/warning (3, 0)
11-02 16:27:13.690 9977-9977/be.thomascbeerten.yomommaoclock D/AlarmScreen﹕ onResume
11-02 16:27:13.690 9977-9977/be.thomascbeerten.yomommaoclock I/AlarmScreen﹕ Wakelock aquired!!
Update I found a SO Question regarding the same thing here: Why the onPause method is called immediately after onCreate 更新我在这里找到了关于同一件事的一个SO问题: 为什么在onCreate之后立即调用onPause方法
I noticed that onPause was called, so I will find my answer there! 我注意到调用了onPause,所以我在那里找到了答案!
Nevertheless, the answer from Abraham Philip was an important piece of the puzzle! 尽管如此,亚伯拉罕·菲利普(Abraham Philip)的答案仍然是难题的重要组成部分!
Have you tried: 你有没有尝试过:
KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
final KeyguardManager.KeyguardLock kl = km .newKeyguardLock("MyKeyguardLock");
kl.disableKeyguard();
where you'd like to unlock the screen? 您想在哪里解锁屏幕?
In your case it'd be: 在您的情况下,它将是:
@SuppressWarnings("deprecation")
@Override
protected void onResume() {
super.onResume();
// Set the window to keep screen on
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
//New code
KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
final KeyguardManager.KeyguardLock kl = km .newKeyguardLock("MyKeyguardLock");
kl.disableKeyguard();
// Acquire wakelock
PowerManager pm = (PowerManager) getApplicationContext().getSystemService(Context.POWER_SERVICE);
if (mWakeLock == null) {
mWakeLock = pm.newWakeLock((PowerManager.FULL_WAKE_LOCK | PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP), TAG);
}
if (!mWakeLock.isHeld()) {
mWakeLock.acquire();
Log.i(TAG, "Wakelock aquired!!");
}
}
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