Add API to get a uid's current importance.
This is kind-of useful to go along with monitoring
uid importance changes.
Test: none yet
Change-Id: Ic0f8418955d17ea21d06f49dcd9641bc5f32387b
diff --git a/api/system-current.txt b/api/system-current.txt
index 99a5793..7c4e156 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -3980,6 +3980,7 @@
method public android.app.PendingIntent getRunningServiceControlPanel(android.content.ComponentName) throws java.lang.SecurityException;
method public java.util.List<android.app.ActivityManager.RunningServiceInfo> getRunningServices(int) throws java.lang.SecurityException;
method public deprecated java.util.List<android.app.ActivityManager.RunningTaskInfo> getRunningTasks(int) throws java.lang.SecurityException;
+ method public int getUidImportance(int);
method public deprecated boolean isInLockTaskMode();
method public boolean isLowRamDevice();
method public static boolean isRunningInTestHarness();
diff --git a/api/test-current.txt b/api/test-current.txt
index 570855f..c91e880 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -3848,6 +3848,7 @@
method public android.app.PendingIntent getRunningServiceControlPanel(android.content.ComponentName) throws java.lang.SecurityException;
method public java.util.List<android.app.ActivityManager.RunningServiceInfo> getRunningServices(int) throws java.lang.SecurityException;
method public deprecated java.util.List<android.app.ActivityManager.RunningTaskInfo> getRunningTasks(int) throws java.lang.SecurityException;
+ method public int getUidImportance(int);
method public deprecated boolean isInLockTaskMode();
method public boolean isLowRamDevice();
method public static boolean isRunningInTestHarness();
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index 4004bd6..76ba133 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -3347,6 +3347,26 @@
}
/**
+ * Return the importance of a given uid, based on the processes that are
+ * currently running. The return value is one of the importance constants defined
+ * in {@link RunningAppProcessInfo}, giving you the highest importance of all the
+ * processes that this uid has running. If there are no processes
+ * running its code, {@link RunningAppProcessInfo#IMPORTANCE_GONE} is returned.
+ * @hide
+ */
+ @SystemApi @TestApi
+ @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS)
+ public int getUidImportance(int uid) {
+ try {
+ int procState = getService().getUidProcessState(uid,
+ mContext.getOpPackageName());
+ return RunningAppProcessInfo.procStateToImportance(procState);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
* Callback to get reports about changes to the importance of a uid. Use with
* {@link #addOnUidImportanceListener}.
* @hide
diff --git a/core/java/android/app/IActivityManager.aidl b/core/java/android/app/IActivityManager.aidl
index 079bbcd..42a70ec 100644
--- a/core/java/android/app/IActivityManager.aidl
+++ b/core/java/android/app/IActivityManager.aidl
@@ -463,6 +463,7 @@
* etc.
*/
void keyguardGoingAway(int flags);
+ int getUidProcessState(int uid, in String callingPackage);
void registerUidObserver(in IUidObserver observer, int which, int cutpoint,
String callingPackage);
void unregisterUidObserver(in IUidObserver observer);
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 35654d7..d678225 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -13025,6 +13025,19 @@
}
@Override
+ public int getUidProcessState(int uid, String callingPackage) {
+ if (!hasUsageStatsPermission(callingPackage)) {
+ enforceCallingPermission(android.Manifest.permission.PACKAGE_USAGE_STATS,
+ "getUidProcessState");
+ }
+
+ synchronized (this) {
+ UidRecord uidRec = mActiveUids.get(uid);
+ return uidRec != null ? uidRec.curProcState : ActivityManager.PROCESS_STATE_NONEXISTENT;
+ }
+ }
+
+ @Override
public void registerUidObserver(IUidObserver observer, int which, int cutpoint,
String callingPackage) {
if (!hasUsageStatsPermission(callingPackage)) {