1 /*
2  * Copyright (C) 2009 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.android.settings.tests;
18 
19 import android.app.Activity;
20 import android.bluetooth.BluetoothAdapter;
21 import android.bluetooth.BluetoothDevice;
22 import android.content.BroadcastReceiver;
23 import android.content.Context;
24 import android.content.Intent;
25 import android.content.IntentFilter;
26 import android.os.Bundle;
27 import android.util.Log;
28 import android.view.View;
29 import android.view.View.OnClickListener;
30 import android.widget.ArrayAdapter;
31 import android.widget.Button;
32 import android.widget.ListView;
33 
34 public class BluetoothRequestPermissionTest extends Activity {
35     private static final String TAG = "BluetoothRequestPermissionTest";
36     BluetoothAdapter mAdapter;
37     private ArrayAdapter<String> mMsgAdapter;
38 
39     // Discoverable button alternates between 20 second timeout and no timeout.
40     private boolean mDiscoveryWithTimeout = true;
41 
42     private class BtOnClickListener implements OnClickListener {
43         final boolean mEnableOnly; // enable or enable + discoverable
44 
BtOnClickListener(boolean enableOnly)45         public BtOnClickListener(boolean enableOnly) {
46             mEnableOnly = enableOnly;
47         }
48 
onClick(View v)49         public void onClick(View v) {
50             requestPermission(mEnableOnly);
51         }
52     }
53 
54     private class BtScanOnClickListener implements OnClickListener {
onClick(View v)55         public void onClick(View v) {
56             Button scanButton = (Button) v;
57             if (mAdapter.isDiscovering()) {
58                 mAdapter.cancelDiscovery();
59                 scanButton.setText(R.string.start_scan);
60             } else {
61                 mAdapter.startDiscovery();
62                 scanButton.setText(R.string.stop_scan);
63             }
64         }
65     }
66 
67     @Override
onCreate(Bundle icicle)68     public void onCreate(Bundle icicle) {
69         super.onCreate(icicle);
70         setContentView(R.layout.bluetooth_request_permission_test);
71         mAdapter = BluetoothAdapter.getDefaultAdapter();
72 
73         Button enable = (Button) findViewById(R.id.enable);
74         enable.setOnClickListener(new BtOnClickListener(true /* enable */));
75 
76         Button discoverable = (Button) findViewById(R.id.discoverable);
77         discoverable.setOnClickListener(new BtOnClickListener(false /* enable & discoverable */));
78 
79         Button scanButton = (Button) findViewById(R.id.scan);
80         scanButton.setOnClickListener(new BtScanOnClickListener());
81         if (mAdapter.isDiscovering()) {
82             scanButton.setText(R.string.stop_scan);
83         } else {
84             scanButton.setText(R.string.start_scan);
85         }
86 
87         mMsgAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
88 
89         ListView listView = (ListView) findViewById(R.id.msg_container);
90         listView.setAdapter(mMsgAdapter);
91 
92         IntentFilter filter = new IntentFilter();
93         filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
94         filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
95         filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
96         filter.addAction(BluetoothDevice.ACTION_FOUND);
97         registerReceiver(mReceiver, filter);
98         addMsg("Initialized");
99     }
100 
requestPermission(boolean enableOnly)101     void requestPermission(boolean enableOnly) {
102         Intent i = new Intent();
103         if (enableOnly) {
104             addMsg("Starting activity to enable bt");
105             i.setAction(BluetoothAdapter.ACTION_REQUEST_ENABLE);
106         } else {
107             addMsg("Starting activity to enable bt + discovery");
108             i.setAction(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
109             // Discoverability duration toggles between 20 seconds and no timeout.
110             int timeout = (mDiscoveryWithTimeout ? 20 : 0);
111             i.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, timeout);
112             mDiscoveryWithTimeout = !mDiscoveryWithTimeout;
113         }
114         startActivityForResult(i, 1);
115     }
116 
117     @Override
onActivityResult(int requestCode, int resultCode, Intent data)118     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
119         if (requestCode != 1) {
120             Log.e(TAG, "Unexpected onActivityResult " + requestCode + " " + resultCode);
121             return;
122         }
123 
124         if (resultCode == Activity.RESULT_CANCELED) {
125             addMsg("Result = RESULT_CANCELED");
126         } else if (resultCode == Activity.RESULT_OK) {
127             addMsg("Result = RESULT_OK (not expected for discovery)");
128         } else {
129             addMsg("Result = " + resultCode);
130         }
131     }
132 
133     @Override
onDestroy()134     protected void onDestroy() {
135         super.onDestroy();
136         unregisterReceiver(mReceiver);
137     }
138 
addMsg(String msg)139     private void addMsg(String msg) {
140         mMsgAdapter.add(msg);
141         Log.d(TAG, "msg");
142     }
143 
144     private BroadcastReceiver mReceiver = new BroadcastReceiver() {
145         @Override
146         public void onReceive(Context context, Intent intent) {
147             if (intent == null)
148                 return;
149             String action = intent.getAction();
150             if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(action)) {
151                 String stateStr = "???";
152                 switch (intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothDevice.ERROR)) {
153                     case BluetoothAdapter.STATE_OFF:
154                         stateStr = "off";
155                         break;
156                     case BluetoothAdapter.STATE_TURNING_ON:
157                         stateStr = "turning on";
158                         break;
159                     case BluetoothAdapter.STATE_ON:
160                         stateStr = "on";
161                         break;
162                     case BluetoothAdapter.STATE_TURNING_OFF:
163                         stateStr = "turning off";
164                         break;
165                 }
166                 addMsg("Bluetooth status = " + stateStr);
167             } else if (action.equals(BluetoothDevice.ACTION_FOUND)) {
168                 String name = intent.getStringExtra(BluetoothDevice.EXTRA_NAME);
169                 addMsg("Found: " + name);
170             } else if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_STARTED)) {
171                 addMsg("Scan started...");
172             } else if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_FINISHED)) {
173                 addMsg("Scan ended");
174             }
175         }
176     };
177 }
178