http://blog.youkuaiyun.com/lfdfhl/article/details/12275023
MainActivity如下:
- package cc.testusespermission;
- import android.app.Activity;
- import android.content.pm.PackageInfo;
- import android.content.pm.PackageManager;
- import android.content.pm.PermissionGroupInfo;
- import android.content.pm.PermissionInfo;
- import android.os.Bundle;
- /**
- * Demo描述:
- * 查看Android应用所需权限(uses-permission)
- *
- * 参考资料:
- * 1 http://blog.youkuaiyun.com/bage1988320/article/details/6740292
- * 2 http://blog.youkuaiyun.com/hjd_love_zzt/article/details/12238301
- * Thank you very much
- *
- * 备注说明:
- * 在Demo中的代码注释是以android.permission.INTERNET权限
- * 为例子对各属性进行了详细说明
- *
- */
- public class MainActivity extends Activity {
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- getUsesPermission("cc.testusespermission");
- }
- private void getUsesPermission(String packageName){
- try {
- PackageManager packageManager=this.getPackageManager();
- PackageInfo packageInfo=packageManager.getPackageInfo(packageName, PackageManager.GET_PERMISSIONS);
- String [] usesPermissionsArray=packageInfo.requestedPermissions;
- for (int i = 0; i < usesPermissionsArray.length; i++) {
- //得到每个权限的名字,如:android.permission.INTERNET
- String usesPermissionName=usesPermissionsArray[i];
- System.out.println("usesPermissionName="+usesPermissionName);
- //通过usesPermissionName获取该权限的详细信息
- PermissionInfo permissionInfo=packageManager.getPermissionInfo(usesPermissionName, 0);
- //获得该权限属于哪个权限组,如:网络通信
- PermissionGroupInfo permissionGroupInfo = packageManager.getPermissionGroupInfo(permissionInfo.group, 0);
- System.out.println("permissionGroup=" + permissionGroupInfo.loadLabel(packageManager).toString());
- //获取该权限的标签信息,比如:完全的网络访问权限
- String permissionLabel=permissionInfo.loadLabel(packageManager).toString();
- System.out.println("permissionLabel="+permissionLabel);
- //获取该权限的详细描述信息,比如:允许该应用创建网络套接字和使用自定义网络协议
- //浏览器和其他某些应用提供了向互联网发送数据的途径,因此应用无需该权限即可向互联网发送数据.
- String permissionDescription=permissionInfo.loadDescription(packageManager).toString();
- System.out.println("permissionDescription="+permissionDescription);
- System.out.println("===========================================");
- }
- } catch (Exception e) {
- // TODO: handle exception
- }
- }
- }
main.xml如下:
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- xmlns:tools="http://schemas.android.com/tools"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- >
- <TextView
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:text="查看Android应用所需权限(uses-permission)"
- android:layout_centerInParent="true"
- />
- </RelativeLayout>
PS:
该示例本身是不需要任何权限的