1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.deviceowner; 18 19 import android.app.Activity; 20 import android.app.Fragment; 21 import android.app.admin.DevicePolicyManager; 22 import android.content.Context; 23 import android.os.Bundle; 24 import android.util.Log; 25 26 public class MainActivity extends Activity { 27 28 private static final String TAG = "MainActivity"; 29 30 @Override 31 protected void onCreate(Bundle savedInstanceState) { 32 super.onCreate(savedInstanceState); 33 setContentView(R.layout.activity_main_real); 34 if (savedInstanceState == null) { 35 DevicePolicyManager manager = 36 (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE); 37 if (manager.isDeviceOwnerApp(getApplicationContext().getPackageName())) { 38 // This app is set up as the device owner. Show the main features. 39 Log.d(TAG, "The app is the device owner."); 40 showFragment(DeviceOwnerFragment.newInstance()); 41 } else { 42 // This app is not set up as the device owner. Show instructions. 43 Log.d(TAG, "The app is not the device owner."); 44 showFragment(InstructionFragment.newInstance()); 45 } 46 } 47 } 48 49 private void showFragment(Fragment fragment) { 50 getFragmentManager().beginTransaction() 51 .replace(R.id.container, fragment) 52 .commit(); 53 } 54 55 } 56