android5.1里面的user-app的默认权限设置！

只看该作者 · 2018-11-28 15:53

在 frameworks/base/services/core/java/com/android/server/AppOpsPolicy.java中：
public boolean isControlAllowed(int code, String packageName) {
      boolean isShow = true;
      int show = CONTROL_UNKNOWN;
      PolicyPkg pkg;
      String key;
      String type;

      if (mPolicy == null) {
         return isShow;
      }

      type = getAppType(packageName);
      if (type != null) {
         key = type;
         pkg = mPolicy.get(key);
         if (pkg != null && pkg.show != CONTROL_UNKNOWN) {
            show = pkg.show;
         }
      }
      key = packageName;
      if (type != null) {
         key = key + "." + type;
      }
      pkg = mPolicy.get(key);
      if (pkg != null) {
         if (pkg.show != CONTROL_UNKNOWN) {
            show = pkg.show;
         }
         PolicyOp op = pkg.get(code);
         if (op != null) {
            if (op.show != CONTROL_UNKNOWN) {
                  show = op.show;
            }
         }
      }else {
         if(code == AppOpsManager.OP_CAMERA)
         {
            show = CONTROL_NOSHOW;
         }
      }
      if (show == CONTROL_NOSHOW) {
         isShow = false;
      }
      return isShow;
}
public int getDefualtMode(int code, String packageName) {
      int mode = AppOpsManager.MODE_ERRORED;
      PolicyPkg pkg;
      String key;
      String type;

      if (mPolicy == null) {
         return mode;
      }
      if (DEBUG)
         Slog.d(TAG, "Default mode requested for op=" + code + " package="
                  + packageName);
      type = getAppType(packageName);
      if (type != null) {
         // Get value based on 'type'
         key = type;
         pkg = mPolicy.get(key);
         if (pkg != null && pkg.mode != AppOpsManager.MODE_ERRORED) {
            if (DEBUG)
                  Slog.d(TAG, "Setting value based on type: " + pkg);
            mode = pkg.mode;
         }
      }
      // Get value based on 'pkg'.
      key = packageName;
      if (type != null) {
         key = key + "." + type;
      }
      pkg = mPolicy.get(key);
      if (pkg != null) {
         if (pkg.mode != AppOpsManager.MODE_ERRORED) {
            if (DEBUG)
                  Slog.d(TAG, "Setting value based on packageName: " + pkg);
            mode = pkg.mode;
         }
         // Get value base on 'op'
         PolicyOp op = pkg.get(code);
         if (op != null) {
            if (op.mode != AppOpsManager.MODE_ERRORED) {
                  if (DEBUG)
                     Slog.d(TAG, "Setting value based on op: " + op);
                  mode = op.mode;
            }
         }
      }else {
         if(code == AppOpsManager.OP_CAMERA)
         {
            mode = AppOpsManager.MODE_ALLOWED;
         }
      }
      if (DEBUG)

      Slog.d(TAG, "Returning mode=" + mode);
      return mode;
}

可以设置所有的用户APP默认打开摄像头的权限。

如果是要设置为允许某个用户APP默认打开摄像头权限，请打开/device/qcom/common/appops/appops_policy.xml，
<appops-policy version="1">
<user-app permission="ask" show="true"/>
<system-app permission="allowed" show="false"/>

<application>

      <pkg name="com.android.calendar" type="system-app">
         <op name="android:read_contacts" permission="ask" show="true"/>
      </pkg>
      <pkg name="com.android.email" type="system-app">
         <op name="android:read_contacts" permission="ask" show="true"/>
      </pkg>
      <pkg name="com.huayusoft.barcodeadmin" type="user-app">
         <op name="android:camera" permission="allow" show="false"/>
      </pkg>
</application>
</appops-policy>

以上是两种设置默认权限的方式！

AP7350开发板6735平台是android 5.1 可以测试下

android5.1里面的user-app的默认权限设置！

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