Yes, you can power cycle your smartphone if it's frozen. Holding down the power button until the phone turns off and then turning it back on is usually a safe way to perform a power cycle. It might resolve the issue causing the freeze. ...
详细见【Android 7.0 Power 按键处理流程】此处仅略微的复习一下,方便了后面的理解。 1)Power按键的上报 在InputManagerService收到power按键事件经过一系列的处理和转换最终将会传递到PhoneWindowManager(PWM)的interceptKeyBeforeQueueing()函数来做具体的业务逻辑.下图为上报的流程图。 2)power 按键关于量灭屏处理 关...
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However, it is still useful on older devices and it will be a few years before most devices are on Android 13, so I think we should have a non-deprecated replacement method that makes the limitation clear. Perhaps enableLegacyPowerCycleOnFailures() with documentation that it only work on ...
如果该事件为key事件会先调用interceptKeyBeforeQueueing,提前对需要系统处理的事件进行处理。最终调到PhoneWindowManager类中的interceptKeyBeforeQueueing函数对该事件优先处理,对power键以及屏幕状态进行判断,来决定亮屏还是灭屏等操作。当需要亮屏时,会调用PowerMangerService中的wakeup函数进行处理。
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这里直接从PhoneWindowManager开始分析。按power键后,会触发PhoneWindowManager的interceptKeyBeforeQueueing()方法: @OverridepublicintinterceptKeyBeforeQueueing(KeyEventevent,intpolicyFlags){ ...caseKeyEvent.KEYCODE_POWER: { cancelPendingAccessibilityShortcutAction(); result ...
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Removes support for Android versions 4.4 through 5.1 (KitKat and Lollipop). The minSdkVersion is now 23. Removes the deprecated LinearOpMode methods waitOneFullHardwareCycle() and waitForNextHardwareCycle() Enhancements Handles RS485 address of Control Hub automatically The Control Hub is automatical...
程序员Android 力荐 ,Android 开发者需要的必备技能 在PowerManagerService分析(一)中对PMS的启动流程进行了分析,本篇对PMS中的一些核心方法进行分析。 本篇文章主要介绍Android开发中的部分知识点,通过阅读本篇文章,您将收获以下内容: 1.updatePowerStateLocked方法详解 ...