[RK3288][Android9] Android-＞默认打开预装在可卸载位置apk的普通权限

测试平台

Platform: RK3288
OS: Android9

---

需求：

        客户需要将他们自己的apk预装到可卸载可恢复位置(preinstall_del 目录)，需要默认授权apk所需的普通权限，网上很多方法都是通过PackageManagerService.java授权，其实PackageManagerService.java只对手动安装的apk有用，对预置可卸载位置的apk权限不起作用的，具体修改方法如下

---

解决方法：

代码路径：packages/apps/PackageInstaller/AndroidManifest.xml

--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.android.packageinstaller" coreApp="true">
 

 
         <provider android:name=".wear.WearPackageIconProvider"
                   android:authorities="com.google.android.packageinstaller.wear.provider"
@@ -189,6 +194,9 @@
         <activity android:name=".permission.ui.wear.WarningConfirmationActivity"
                   android:permission="android.permission.GRANT_RUNTIME_PERMISSIONS"
                   android:theme="@style/Settings"/>
+               <service
+                       android:name=".PackagePermissionGrantService"
+                       android:persistent = "true"/>
     </application>
 
 </manifest>

代码路径：packages/apps/PackageInstaller/src/com/android/packageinstaller/PackagePermissionGrantService.java

--- /dev/null
+++ b/src/com/android/packageinstaller/PackagePermissionGrantService.java

+/*
+**
+** Copyright 2007, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package com.android.packageinstaller;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.IBinder;
+import android.os.Handler;
+import android.os.Message;
+import android.util.Log;
+import android.net.Uri;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import com.android.packageinstaller.permission.model.AppPermissionGroup;
+import com.android.packageinstaller.permission.model.AppPermissions;
+import com.android.packageinstaller.permission.model.Permission;
+import com.android.packageinstaller.permission.utils.ArrayUtils;
+import com.android.packageinstaller.permission.utils.Utils;
+import java.util.List;
+import android.app.Notification;
+import android.app.NotificationManager;
+
+public class PackagePermissionGrantService extends Service {
+
+    private final String TAG = "PackagePermissionGrantService";
+    Permissionhandler handler;
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        Log.i(TAG, "onCreate OK");
+
+        handler = new Permissionhandler();
+    }
+
+    @Override
+    public IBinder onBind(Intent arg0) {
+        return null;
+    }
+
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        handler.sendEmptyMessage(100);                 
+        return Service.START_NOT_STICKY;
+    }
+
+
+    @Override
+    public void onDestroy() {   
+        Log.e(TAG, " stop self   onDestroy=");    
+        handler.removeCallbacksAndMessages(null);
+        super.onDestroy();
+    }
+     class Permissionhandler extends Handler {        
+          @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case 100:
+                  Log.e(TAG, "start grant permission");    
+                  slientGrantRuntimePermission("com.xubb.dsop");//改为客户apk包名
+                  sendEmptyMessageDelayed(101,2000);
+                  break;
+                case 101:
+                  stopSelf();
+                break;
+            }
+        }
+         
+     }
+
+   public void slientGrantRuntimePermission(String packageName){
+        PackageInfo packageInfo;
+        try {
+            Log.e(TAG, "PackageInfo for packageName="+ packageName);
+            packageInfo =  getPackageManager().getPackageInfo(packageName, PackageManager.GET_PERMISSIONS);
+        } catch (PackageManager.NameNotFoundException e) {
+            Log.e(TAG, "can't get PackageInfo for packageName="+ packageName);
+            return;
+        }
+        
+       AppPermissions  mAppPermissions = new AppPermissions(this, packageInfo, null, false,
+                new Runnable() {
+                    @Override
+                    public void run() {
+                        stopSelf();
+                    }
+                });
+
+       Log.e(TAG, " AppPermissionGroup size==" + mAppPermissions.getPermissionGroups().size());
+       if (mAppPermissions.getPermissionGroups().isEmpty()) {
+            Log.e(TAG, "mAppPermissions size isEmpty");
+            return;
+        }
+        for (AppPermissionGroup group : mAppPermissions.getPermissionGroups()) {
+            String[] permissionsToGrant = null;
+            final int permissionCount = group.getPermissions().size();
+            for (int j = 0; j < permissionCount; j++) {
+                final Permission permission = group.getPermissions().get(j);
+                Log.e(TAG, "permissionName=" +permission.getName()+",isGranted="+ permission.isGranted());
+                if (!permission.isGranted()) {//循环未赋予权限的权限，添加进数组
+                    permissionsToGrant = ArrayUtils.appendString(
+                            permissionsToGrant, permission.getName());
+                     Log.e(TAG, "permissionName=" + permission.getName());
+                }
+            }
+            if (permissionsToGrant != null) {
+
+                //真正赋予权限
+                group.grantRuntimePermissions(false, permissionsToGrant);
+                Log.i(TAG, "grantRuntimePermissions permissionsToGrant");
+            }
+        }
+    }    
+}

代码路径：packages/apps/Settings/src/com/android/settings/FallbackHome.java

--- a/src/com/android/settings/FallbackHome.java
+++ b/src/com/android/settings/FallbackHome.java
@@ -39,6 +39,7 @@ import android.view.WindowManager.LayoutParams;
 import android.view.animation.AnimationUtils;
 
 import java.util.Objects;
+import android.content.ComponentName;
 
 public class FallbackHome extends Activity {
     private static final String TAG = "FallbackHome";
@@ -63,7 +64,10 @@ public class FallbackHome extends Activity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
+               Intent intent = new Intent();
+               intent.setComponent(new ComponentName("com.android.packageinstaller","com.android.packageinstaller.PackagePermissionGrantService"));
+               intent.addFlags(0x01000000);
+               startService(intent);
         // Set ourselves totally black before the device is provisioned so that
         // we don't flash the wallpaper before SUW
         mProvisioned = Settings.Global.getInt(getContentResolver(),

代码路径：frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java

--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -9424,7 +9424,10 @@ public class ActivityManagerService extends IActivityManager.Stub
             }
             return ActivityManager.APP_START_MODE_NORMAL;
         }
-
+               //add avoid permission service   
+        if( packageName.equals("com.android.settings")){            
+            return ActivityManager.APP_START_MODE_NORMAL;
+        }
         // Non-persistent but background whitelisted?
         if (uidOnBackgroundWhitelist(uid)) {
             if (DEBUG_BACKGROUND_CHECK) {