content: /*
   * Copyright (C) 2016 Facishare Technology Co., Ltd. All Rights Reserved.
   */
  package com.termux.floatball.permission.rom;
  
  import android.annotation.TargetApi;
  import android.app.AppOpsManager;
  import android.content.Context;
  import android.content.Intent;
  import android.os.Binder;
  import android.os.Build;
  import android.util.Log;
  
  import java.lang.reflect.Method;
  
  public class MeizuUtils {
      private static final String TAG = "MeizuUtils";
  
      /**
       * Check meizu floating window permissions
       */
      public static boolean checkFloatWindowPermission(Context context) {
          final int version = Build.VERSION.SDK_INT;
          if (version >= 19) {
              return checkOp(context, 24); //OP_SYSTEM_ALERT_WINDOW = 24;
          }
          return true;
      }
  
      /**
       * Check meizu floating window permissions
       */
      public static void applyPermission(Context context) {
          Intent intent = new Intent("com.meizu.safe.security.SHOW_APPSEC");
          intent.setClassName("com.meizu.safe", "com.meizu.safe.security.AppSecActivity");
          intent.putExtra("packageName", context.getPackageName());
          intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
          context.startActivity(intent);
      }
  
      @TargetApi(Build.VERSION_CODES.KITKAT)
      private static boolean checkOp(Context context, int op) {
          final int version = Build.VERSION.SDK_INT;
          if (version >= 19) {
              AppOpsManager manager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
              try {
                  Class clazz = AppOpsManager.class;
                  Method method = clazz.getDeclaredMethod("checkOp", int.class, int.class, String.class);
                  return AppOpsManager.MODE_ALLOWED == (int) method.invoke(manager, op, Binder.getCallingUid(), context.getPackageName());
              } catch (Exception e) {
                  Log.e(TAG, Log.getStackTraceString(e));
              }
          } else {
              Log.e(TAG, "Below API 19 cannot invoke!");
          }
          return false;
      }
  }
  