首先找到拨打电话的界面,4.4和之前的系统代码架构有了很大的改变,之前的拨号程序就是Phone,现在Phone基本上废掉了,而且之前提供了一个叫void setPokeLock(int pokey, IBinder lock, String tag)的方法,可以实现几秒后灭屏,还比较好用,之后的系统这个方法给删掉了。但是加了个Telephony的程序,代码路径packages/service...
<string name="screen_timeout">Screen timeout</string> + + <!-- Sound & display settings screen, setting option name to change Sleep timeout --> + <string name="shutdown_timeout">Shutdown timeout</string> <!-- Sound & display settings screen, setting option name to change screen tim...
2、在LockPatternKeyguardView的构造函里创建一个KeyguardScreenCallback的对象mKeyguardScreenCallback,并实现KeyguardScreenCallback的所有抽象方法。 LockPatternKeyguardView把mKeyguardScreenCallback当作LockScreen的构造函数的参数,LockScreen把该参数赋值给mCallback,所以mCallback==mKeyguardScreenCallback 3、KeyguardScreen...
preferences.registerOnSharedPreferenceChangeListener(listener);//为SharedPreferences添加监听 1. Handler补充 handler.sendEmptyMessageAtTime();//在指定时间发送 // 除了发送消息 也可以进行 任务调度 handler.postAtTime(runable,time);// 添加定时回调 handler.postDelayed(runable,time);// 添加延时回调 handler.remove...
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This won’t change the lock screen clock, but as it will turn the display off, the lock screen clock won’t be displayed all the time. However, you will see it only when you press the power button.Go to “Settings > Display > Lock Screen.” ...
(intent);43mCallback.goToUnlockScreen();44}else{45toggleRingMode();46mUnlockWidgetMethods.updateResources();47mCallback.pokeWakelock();48}49}50}51publicvoidonGrabbedStateChange(View v,inthandle) {52//Don't poke the wake lock when returning to a state where the handle is53//not grabbed ...
Android上常用的锁屏方法有以下几种:默认锁屏方式(LockScreen)、SIM卡解锁方式(SimUnlockScreen)、图案解锁方式(PatternUnlockScreen)、密码解锁方式(PasswordUnlockScreen)、账号解锁方式(AccountUnlockScreen),这些解锁方式都有对应的源码实现,我们这里讨论的是最常用的默认解锁方式,在Android4.0之后,解锁控件变为“波纹解锁...
final long anyUserActivity = Math.max(mLastUserActivityTime, mLastUserActivityTimeNoChangeLights); if (anyUserActivity >= mLastWakeTime) { nextTimeout = anyUserActivity + sleepTimeout; if (now < nextTimeout) { mUserActivitySummary = USER_ACTIVITY_SCREEN_DREAM; ...
nextTimeout = mLastUserActivityTime + screenOffTimeout; // 8、now处于屏幕Dim之后、屏幕熄灭之前设置DIM flag if (now < nextTimeout) { mUserActivitySummary |= USER_ACTIVITY_SCREEN_DIM; } } } if (mUserActivitySummary == 0 && mLastUserActivityTimeNoChangeLights >= mLastWakeTime) { ...