android 屏蔽锁屏,安卓系统禁止锁屏
修改系统设置默认值：platform/frameworks/base/packages/SettingsProvider/res/values/defaults.xml，将其中的：falsefalse这两项的值都改为 true：truetrue修改 platform/frameworks/base/services/core/java/com/android/server/power/PowerM
修改系统设置默认值：platform/frameworks/base/packages/SettingsProvider/res/values/defaults.xml，将其中的：
false
false
这两项的值都改为 true：
true
true
修改 platform/frameworks/base/services/core/java/com/android/server/power/PowerManagerService.java 中
private void updateStayOnLocked(int dirty) {
if ((dirty & (DIRTY_BATTERY_STATE | DIRTY_SETTINGS)) != 0) {
final boolean wasStayOn = mStayOn;
if (mStayOnWhilePluggedInSetting != 0
&& !isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked()) {
mStayOn = mBatteryManagerInternal.isPowered(mStayOnWhilePluggedInSetting);
} else {
mStayOn = false;
}
if (mStayOn != wasStayOn) {
mDirty |= DIRTY_STAY_ON;
}
}
}
改为：
private void updateStayOnLocked(int dirty) {
if ((dirty & (DIRTY_BATTERY_STATE | DIRTY_SETTINGS)) != 0) {
final boolean wasStayOn = mStayOn;
if (mStayOnWhilePluggedInSetting != 0
&& !isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked()) {
mStayOn = mBatteryManagerInternal.isPowered(mStayOnWhilePluggedInSetting);
} else {
mStayOn = false;
}
mStayOn = true;
if (mStayOn != wasStayOn) {
mDirty |= DIRTY_STAY_ON;
}
}
}
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