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网站平台建设基本情况,seo网站推广,东莞商城网站推广建设,网络整合营销案例Android 9.0 系统默认显示电量百分比近来收到项目需求需要设备默认显示电量百分比，具体修改参照如下： /frameworks/base/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java private void updateShowPercent() {final boolean showin…

Android 9.0 系统默认显示电量百分比

近来收到项目需求需要设备默认显示电量百分比，具体修改参照如下：

/frameworks/base/packages/SystemUI/src/com/android/systemui/BatteryMeterView.java

    private void updateShowPercent() {final boolean showing = mBatteryPercentView != null;final boolean systemSetting = 0 != Settings.System.getIntForUser(getContext().getContentResolver(),
-                SHOW_BATTERY_PERCENT, 0, mUser);
+                SHOW_BATTERY_PERCENT, 1, mUser);

/frameworks/base/packages/SystemUI/src/com/android/systemui/tuner/BatteryPreference.java

    public void onAttached() {super.onAttached();mHasPercentage = Settings.System.getInt(getContext().getContentResolver(),
-                SHOW_BATTERY_PERCENT, 0) != 0;
+                SHOW_BATTERY_PERCENT, 1) != 0;

/packages/apps/Settings/src/com/android/settings/display/BatteryPercentagePreferenceController.java

    public void updateState(Preference preference) {int setting = Settings.System.getInt(mContext.getContentResolver(),
-                SHOW_BATTERY_PERCENT, 0);
+                SHOW_BATTERY_PERCENT, 1);

重新编译验证，修改生效，设备已默认显示电量百分比

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