【Android】安卓开机禁止锁屏，禁止屏幕休眠

1.Settings 删掉开机锁屏界面

packages/apps/Settings/res/xml/display_settings.xml

注释掉这个ListPreference

packages/apps/Settings/src/com/android/settings/DisplaySettings.java
添加if条件，如果没有找到这个preference就不执行相关操作；具体可以参考被隐藏的 night_mode

mScreenTimeoutPreference = (ListPreference) findPreference(KEY_SCREEN_TIMEOUT);
if (mScreenTimeoutPreference !=null ) {
final long currentTimeout = Settings.System.getLong(resolver, SCREEN_OFF_TIMEOUT,
FALLBACK_SCREEN_TIMEOUT_VALUE);
mScreenTimeoutPreference.setValue(String.valueOf(currentTimeout));
mScreenTimeoutPreference.setOnPreferenceChangeListener(this);
disableUnusableTimeouts(mScreenTimeoutPreference);
updateTimeoutPreferenceDescription(currentTimeout);

2. 此处设置锁屏以及时间：
frameworks/base/packages/SettingsProvider/res/values/defaults.xml

vendor/mediatek/proprietary/packages/apps/SettingsProvider/res/values/defaults.xml

false 改为 true；即默认禁止锁屏

6000 6000改成2147483647，即默认永不灭屏

以下是 adb 设置方法

adb shell settings put system screen_off_timeout 2147483647

adb shell settings put system def_lockscreen_disabled true

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