Fix issue #23037899: Support for Battery Optimization permission + Dialog

New permission, new Intent action.

Change-Id: I1d9ba55be8f72074e29d33ad7a0a12a820bbac39

2 files changed, 36 insertions, 3 deletions

diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 6e178a4..fe95864 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -616,20 +616,46 @@ public final class Settings {
     /**
      * Activity Action: Show screen for controlling which apps can ignore battery optimizations.
      * <p>
-     * Input: Optionally, the Intent's data URI specifies the application package name
-     * to be shown, with the "package" scheme.  That is "package:com.my.app".
+     * Input: Nothing.
      * <p>
      * Output: Nothing.
      * <p>
      * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
      * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
-     * already ignoring optimizations.
+     * already ignoring optimizations.  You can use
+     * {@link #ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS} to ask the user to put you
+     * on this list.
      */
     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
     public static final String ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS =
             "android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS";
 
     /**
+     * Activity Action: Ask the user to allow an to ignore battery optimizations (that is,
+     * put them on the whitelist of apps shown by
+     * {@link #ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS}).  For an app to use this, it also
+     * must hold the {@link android.Manifest.permission#REQUEST_IGNORE_BATTERY_OPTIMIZATIONS}
+     * permission.
+     * <p><b>Note:</b> most applications should <em>not</em> use this; there are many facilities
+     * provided by the platform for applications to operate correctly in the various power
+     * saving mode.  This is only for unusual applications that need to deeply control their own
+     * execution, at the potential expense of the user's battery life.  Note that these applications
+     * greatly run the risk of showing to the user has how power consumers on their device.</p>
+     * <p>
+     * Input: The Intent's data URI must specify the application package name
+     * to be shown, with the "package" scheme.  That is "package:com.my.app".
+     * <p>
+     * Output: Nothing.
+     * <p>
+     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
+     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
+     * already ignoring optimizations.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS =
+            "android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS";
+
+    /**
      * @hide
      * Activity Action: Show the "app ops" settings screen.
      * <p>
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 53b553e8..629d14b 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -2257,6 +2257,13 @@
     <permission android:name="android.permission.CHANGE_DEVICE_IDLE_TEMP_WHITELIST"
         android:protectionLevel="system|signature" />
 
+    <!-- Permission an application must hold in order to use
+         {@link android.provider.Settings#ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS}.
+         This is a normal permission: an app requesting it will always be granted the
+         permission, without the user needing to approve or see it. -->
+    <permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"
+        android:protectionLevel="normal" />
+
     <!-- @SystemApi Allows an application to collect battery statistics -->
     <permission android:name="android.permission.BATTERY_STATS"
         android:protectionLevel="signature|privileged|development" />