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
onCreate(Bundle savedInstanceState)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 
showFragment(Fragment fragment)49     private void showFragment(Fragment fragment) {
50         getFragmentManager().beginTransaction()
51                 .replace(R.id.container, fragment)
52                 .commit();
53     }
54 
55 }
56