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Commit f9bba136 authored by Jeff Brown's avatar Jeff Brown
Browse files

Make the screen brightness setting limits configurable. 

Change-Id: Ica84951c482edef6b7faebe1af22c609a1b9e8be
parent e2c279e8

core/java/android/os/PowerManager.java

+5 −10
Original line number Diff line number Diff line
@@ -239,13 +239,6 @@ public final class PowerManager { 
     */

    public static final int BRIGHTNESS_OFF = 0;



    /**

     * A nominal default brightness value.

     * Use {@link #getDefaultScreenBrightnessSetting()} instead.

     * @hide

     */

    private static final int BRIGHTNESS_DEFAULT = 102;



    // Note: Be sure to update android.os.BatteryStats and PowerManager.h

    // if adding or modifying user activity event constants.
@@ -321,7 +314,7 @@ public final class PowerManager { 
     */

    public int getMinimumScreenBrightnessSetting() {

        return mContext.getResources().getInteger(

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

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

    }



    /**
@@ -331,7 +324,8 @@ public final class PowerManager { 
     * @hide

     */

    public int getMaximumScreenBrightnessSetting() {

        return BRIGHTNESS_ON;

        return mContext.getResources().getInteger(

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

    }



    /**
@@ -339,7 +333,8 @@ public final class PowerManager { 
     * @hide

     */

    public int getDefaultScreenBrightnessSetting() {

        return BRIGHTNESS_DEFAULT;

        return mContext.getResources().getInteger(

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

    }



    /**

core/res/res/values/config.xml

+16 −3
Original line number Diff line number Diff line
@@ -554,9 +554,22 @@ 
    <integer-array name="config_autoBrightnessLevels">

    </integer-array>





    <!-- Minimum screen brightness allowed by the power manager. -->

    <integer name="config_screenBrightnessDim">20</integer>

    <!-- Minimum screen brightness setting allowed by the power manager.

         The user is forbidden from setting the brightness below this level. -->

    <integer name="config_screenBrightnessSettingMinimum">10</integer>



    <!-- Maximum screen brightness allowed by the power manager.

         The user is forbidden from setting the brightness above this level. -->

    <integer name="config_screenBrightnessSettingMaximum">255</integer>



    <!-- Default screen brightness setting.

         Must be in the range specified by minimum and maximum. -->

    <integer name="config_screenBrightnessSettingDefault">102</integer>



    <!-- Screen brightness used to dim the screen when the user activity

         timeout expires.  May be less than the minimum allowed brightness setting

         that can be set by the user. -->

    <integer name="config_screenBrightnessDim">10</integer>



    <!-- Array of output values for LCD backlight corresponding to the LUX values

         in the config_autoBrightnessLevels array.  This array should have size one greater

core/res/res/values/public.xml

+3 −0
Original line number Diff line number Diff line
@@ -1471,6 +1471,9 @@ 
  <java-symbol type="integer" name="config_notificationsBatteryLowARGB" />

  <java-symbol type="integer" name="config_notificationsBatteryMediumARGB" />

  <java-symbol type="integer" name="config_radioScanningTimeout" />

  <java-symbol type="integer" name="config_screenBrightnessSettingMinimum" />

  <java-symbol type="integer" name="config_screenBrightnessSettingMaximum" />

  <java-symbol type="integer" name="config_screenBrightnessSettingDefault" />

  <java-symbol type="integer" name="config_screenBrightnessDim" />

  <java-symbol type="integer" name="config_virtualKeyQuietTimeMillis" />

  <java-symbol type="layout" name="am_compat_mode_dialog" />