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Merge "Add API to get a uid's current importance." into oc-dev

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This commit is contained in:
Dianne Hackborn
2017-04-12 21:11:40 +00:00
committed by Android (Google) Code Review
parent b4c2e6f468 83249ec4f1
commit ad6ab44e15
5 changed files with 36 additions and 0 deletions
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1
api/system-current.txt
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@@ -3982,6 +3982,7 @@ package android.app {
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();

1
api/test-current.txt
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@@ -3849,6 +3849,7 @@ package android.app {
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();

20
core/java/android/app/ActivityManager.java
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@@ -3386,6 +3386,26 @@ public class ActivityManager {
}
}
/**
* 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}.

1
core/java/android/app/IActivityManager.aidl
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@@ -463,6 +463,7 @@ interface IActivityManager {
* 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);

13
services/core/java/com/android/server/am/ActivityManagerService.java
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@@ -13024,6 +13024,19 @@ public class ActivityManagerService extends IActivityManager.Stub
}
}
@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) {