android+长按十秒电源按键关机是如何实现的?,android4.2 长按POWER键3秒关机

需求描述:

平板或手机上, 长按POWER键, 一般会弹出关机选择界面, 提示关机或切换模式,

需求中,要求把这一部分去掉, 直接长按POWER 3秒后关机.

实现:

frameworks/base/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

@@ -656,7 +656,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {

private void interceptPowerKeyDown(boolean handled) {

mPowerKeyHandled = handled;

if (!handled) {

- mHandler.postDelayed(mPowerLongPress, ViewConfiguration.getGlobalActionKeyTimeout());//原来的代码

+ mHandler.postDelayed(mPowerLongPress, 3000);//ViewConfiguration.getGlobalActionKeyTimeout());//修改后, 3 秒钟后会触发.

}

}

@@ -717,7 +717,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {

if (FactoryTest.isLongPressOnPowerOffEnabled()) {

resolvedBehavior = LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;

}

-

+resolvedBehavior = LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;//AnsonCode 2013.7.5

//添加这行代码, 不显示确认窗口,并直接调用poweroff关机

switch (resolvedBehavior) {

case LONG_PRESS_POWER_NOTHING:

break;