安卓长按关机键弹窗确认

frameworks/base/services/core/java/com/android/server/policy/PhoneWindowManager.java

//查看长按关机方法

根据getResolvedLongPressOnPowerBehavior()进行跳转

private int getResolvedLongPressOnPowerBehavior() {
    //检查是否为工厂测试模式 
    if (FactoryTest.isLongPressOnPowerOffEnabled()) {
        return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
    }
    return mLongPressOnPowerBehavior;

}

//查看mLongPressOnPowerBehavior，config_longPressOnPowerBehavior默认值为1

frameworks/base/core/res/res/values/config.xml
//根据自己需求更改默认值

<!-- Control the behavior when the user long presses the power button.
        0 - Nothing
        1 - Global actions menu
        2 - Power off (with confirmation)
        3 - Power off (without confirmation)
        4 - Go to voice assist
        5 - Go to assistant (Settings.Secure.ASSISTANT)

-->
<integer name="config_longPressOnPowerBehavior">1</integer>