android开发分享详解Android 检测权限的三种写法

    public static boolean checkpermission1(context context, string[] permissions) {      packagemanager packagemanager = context.getpackagemanager();      string packagename = context.getpackagename();        for (string permission : permissions) {        int per = packagemanager.checkpermission(permission, packagename);        if (packagemanager.permission_denied == per) {          log.w(tag, "required permission not granted . permission = " + permission);          return false;        }      }      return true;    }      public static boolean checkpermission2(context context, string[] permissions) {        for (string permission : permissions) {        int per =context.checkpermission(permission, process.mypid(),process.myuid());        if (packagemanager.permission_granted != per) {          log.w(tag, "required permission not granted . permission = " + permission);          return false;        }      }      return true;    }      public static boolean checkpermission3(context context, string[] permissions) {        for (string permission : permissions) {        int per = contextcompat.checkselfpermission(context, manifest.permission.camera);        if (packagemanager.permission_granted != per) {          log.w(tag, "required permission not granted . permission = " + permission);          return false;        }      }      return true;    }