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Commit 640a0d3c authored by Danny Baumann's avatar Danny Baumann
Browse files

Add method to PowerManager that allows querying the lowest possible 

brightness.

Used by the auto-brightness adjustment to adjust the sliders.

Change-Id: Idb58fd86dee1a053fe858291be6c9b3169ac4247
parent f6f6b1d3

core/java/android/os/PowerManager.java

+13 −0
Original line number Diff line number Diff line
@@ -334,6 +334,19 @@ public final class PowerManager { 
                com.android.internal.R.integer.config_screenBrightnessSettingDefault);

    }



    /**

     * Gets the minimum screen brightness.

     * This is the lowest possible screen brightness; the screen will

     * never become dimmer than that.

     * @hide

     */

    public int getMinimumAbsoluteScreenBrightness() {

        int minSetting = getMinimumScreenBrightnessSetting();

        int dimSetting = mContext.getResources().getInteger(

                com.android.internal.R.integer.config_screenBrightnessDim);

        return Math.min(minSetting, dimSetting);

    }



    /**

     * Returns true if the screen auto-brightness adjustment setting should

     * be available in the UI.  This setting is experimental and disabled by default.