android4.4十分钟后休眠修改为10分钟不操作关机_android无操作十分钟待机-优快云博客

本文链接：https://blog.youkuaiyun.com/ludajunjunjun/article/details/80110265

本文深入解析了Android系统中KeyguardViewMediator类的源码，重点关注了屏幕关闭超时设置及延迟显示锁屏逻辑。通过分析，读者可以了解到如何根据不同情况调整锁屏显示的时间，并理解屏幕关闭后的不同行为。

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--- a/packages/Keyguard/src/com/android/keyguard/KeyguardViewMediator.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardViewMediator.java
@@ -610,7 +610,14 @@ public class KeyguardViewMediator {
resetStateLocked(null);
} else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT
|| (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) {
- doKeyguardLaterLocked();
+ final ContentResolver cr = mContext.getContentResolver();
+ long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT,KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT);
+ if(displayTimeout==600000){
+ shutdown();
+ doKeyguardLaterLocked();
+ }else{
+ doKeyguardLaterLocked();
+ }
} else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_PROX_SENSOR) {
// Do not enable the keyguard if the prox sensor forced the screen off.
} else {
@@ -646,6 +653,7 @@ public class KeyguardViewMediator {
// policy in effect. Make sure we don't go beyond policy limit.
displayTimeout = Math.max(displayTimeout, 0); // ignore negative values
timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout);
+
} else {
timeout = lockAfterTimeout;
}
@@ -661,7 +669,8 @@ public class KeyguardViewMediator {
intent.putExtra("seq", mDelayedShowingSequence);
PendingIntent sender = PendingIntent.getBroadcast(mContext,
0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
- mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender);
+ mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender);
+
if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = "
+ mDelayedShowingSequence);
}
@@ -670,7 +679,14 @@ public class KeyguardViewMediator {
private void cancelDoKeyguardLaterLocked() {
mDelayedShowingSequence++;
}
-
+ public void shutdown(){
+ Intent intent = new Intent(Intent.ACTION_REQUEST_SHUTDOWN);
+ //intent.putExtra(Intent.EXTRA_KEY_CONFIRM, false);
+ //intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ intent.putExtra(Intent.EXTRA_KEY_CONFIRM, false);
+ intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ mContext.startActivity(intent);
+ }
/**
* Let's us know the screen was turned on.
*/
(END)