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Commit 0162f2a1 authored by Makoto Onuki's avatar Makoto Onuki
Browse files

New Importance API for Rb 

Bug: 292533010
Test: atest CtsGetBindingUidImportanceTest
    ... with and without android.app.get_binding_uid_importance set.

Change-Id: Iee6f0e08ba499f2f51d8173e45168c69933cd451
parent 6e181675

core/api/system-current.txt

+2 −0
Original line number Diff line number Diff line
@@ -133,6 +133,7 @@ package android { 
    field public static final String FORCE_STOP_PACKAGES = "android.permission.FORCE_STOP_PACKAGES";

    field public static final String GET_APP_METADATA = "android.permission.GET_APP_METADATA";

    field public static final String GET_APP_OPS_STATS = "android.permission.GET_APP_OPS_STATS";

    field @FlaggedApi("android.app.get_binding_uid_importance") public static final String GET_BINDING_UID_IMPORTANCE = "android.permission.GET_BINDING_UID_IMPORTANCE";

    field public static final String GET_HISTORICAL_APP_OPS_STATS = "android.permission.GET_HISTORICAL_APP_OPS_STATS";

    field public static final String GET_PROCESS_STATE_AND_OOM_SCORE = "android.permission.GET_PROCESS_STATE_AND_OOM_SCORE";

    field public static final String GET_RUNTIME_PERMISSIONS = "android.permission.GET_RUNTIME_PERMISSIONS";
@@ -542,6 +543,7 @@ package android.app { 
  public class ActivityManager {

    method @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) public void addOnUidImportanceListener(android.app.ActivityManager.OnUidImportanceListener, int);

    method @RequiresPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) public void forceStopPackage(String);

    method @FlaggedApi("android.app.get_binding_uid_importance") @RequiresPermission(android.Manifest.permission.GET_BINDING_UID_IMPORTANCE) public int getBindingUidImportance(int);

    method @RequiresPermission(anyOf={"android.permission.INTERACT_ACROSS_USERS", "android.permission.INTERACT_ACROSS_USERS_FULL"}) public static int getCurrentUser();

    method @FlaggedApi("android.app.app_start_info") @NonNull @RequiresPermission(android.Manifest.permission.DUMP) public java.util.List<android.app.ApplicationStartInfo> getExternalHistoricalProcessStartReasons(@NonNull String, @IntRange(from=0) int);

    method @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) public int getPackageImportance(String);

core/java/android/app/ActivityManager.java

+27 −1
Original line number Diff line number Diff line
@@ -73,7 +73,6 @@ import android.os.PowerExemptionManager.ReasonCode; 
import android.os.Process;

import android.os.RemoteException;

import android.os.ServiceManager;

import android.os.SystemClock;

import android.os.SystemProperties;

import android.os.UserHandle;

import android.os.UserManager;
@@ -4268,6 +4267,33 @@ public class ActivityManager { 
        }

    }



    /**

     * Same as {@link #getUidImportance(int)}, but it only works on UIDs that currently

     * have a service binding, or provider reference, to the calling UID, even if the target UID

     * belong to another android user or profile.

     *

     * <p>This will return {@link RunningAppProcessInfo#IMPORTANCE_GONE} on all other UIDs,

     * regardless of if they're valid or not.

     *

     * <p>Privileged system apps may prefer this API to {@link #getUidImportance(int)} to

     * avoid requesting the permission {@link Manifest.permission#PACKAGE_USAGE_STATS}, which

     * would allow access to APIs that return more senstive information.

     *

     * @hide

     */

    @FlaggedApi(Flags.FLAG_GET_BINDING_UID_IMPORTANCE)

    @SystemApi

    @RequiresPermission(Manifest.permission.GET_BINDING_UID_IMPORTANCE)

    public @RunningAppProcessInfo.Importance int getBindingUidImportance(int uid) {

        try {

            int procState = getService().getBindingUidProcessState(uid,

                    mContext.getOpPackageName());

            return RunningAppProcessInfo.procStateToImportanceForClient(procState, mContext);

        } catch (RemoteException e) {

            throw e.rethrowFromSystemServer();

        }

    }



    /**

     * Callback to get reports about changes to the importance of a uid.  Use with

     * {@link #addOnUidImportanceListener}.

core/java/android/app/IActivityManager.aidl

+1 −0
Original line number Diff line number Diff line
@@ -949,4 +949,5 @@ interface IActivityManager { 
     * @param err The binder transaction error

     */

    oneway void frozenBinderTransactionDetected(int debugPid, int code, int flags, int err);

    int getBindingUidProcessState(int uid, in String callingPackage);

}

core/java/android/app/activity_manager.aconfig

+8 −1
Original line number Diff line number Diff line
@@ -6,3 +6,10 @@ flag { 
     description: "Control collecting of ApplicationStartInfo records and APIs."

     bug: "247814855"

}



flag {

     namespace: "backstage_power"

     name: "get_binding_uid_importance"

     description: "API to get importance of UID that's binding to the caller"

     bug: "292533010"

}

core/res/AndroidManifest.xml

+9 −0
Original line number Diff line number Diff line
@@ -7765,6 +7765,15 @@ 
    <permission android:name="android.permission.WRITE_FLAGS"

        android:protectionLevel="signature" />



    <!-- @hide @SystemApi

         @FlaggedApi("android.app.get_binding_uid_importance")

         Allows to get the importance of an UID that has a service

         binding to the app.

         <p>Protection level: signature|privileged

    -->

    <permission android:name="android.permission.GET_BINDING_UID_IMPORTANCE"

        android:protectionLevel="signature|privileged" />



    <!-- @hide Allows internal applications to manage displays.

        <p>This means intercept internal signals about displays being (dis-)connected

        and being able to enable or disable the external displays.