1 /* 2 * Copyright (C) 2011 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.adb; 18 19 import android.app.Activity; 20 import android.content.BroadcastReceiver; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.IntentFilter; 24 import android.graphics.Rect; 25 import android.hardware.usb.UsbDevice; 26 import android.hardware.usb.UsbDeviceConnection; 27 import android.hardware.usb.UsbInterface; 28 import android.hardware.usb.UsbManager; 29 import android.os.Bundle; 30 import android.os.Handler; 31 import android.os.Message; 32 import android.util.Log; 33 import android.widget.TextView; 34 35 /* Main activity for the adb test program */ 36 public class AdbTestActivity extends Activity { 37 38 private static final String TAG = "AdbTestActivity"; 39 40 private TextView mLog; 41 private UsbManager mManager; 42 private UsbDevice mDevice; 43 private UsbDeviceConnection mDeviceConnection; 44 private UsbInterface mInterface; 45 private AdbDevice mAdbDevice; 46 47 private static final int MESSAGE_LOG = 1; 48 private static final int MESSAGE_DEVICE_ONLINE = 2; 49 50 @Override 51 public void onCreate(Bundle savedInstanceState) { 52 super.onCreate(savedInstanceState); 53 54 setContentView(R.layout.adb); 55 mLog = (TextView)findViewById(R.id.log); 56 57 mManager = (UsbManager)getSystemService(Context.USB_SERVICE); 58 59 // check for existing devices 60 for (UsbDevice device : mManager.getDeviceList().values()) { 61 UsbInterface intf = findAdbInterface(device); 62 if (setAdbInterface(device, intf)) { 63 break; 64 } 65 } 66 67 // listen for new devices 68 IntentFilter filter = new IntentFilter(); 69 filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED); 70 filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED); 71 registerReceiver(mUsbReceiver, filter); 72 } 73 74 @Override 75 public void onDestroy() { 76 unregisterReceiver(mUsbReceiver); 77 setAdbInterface(null, null); 78 super.onDestroy(); 79 } 80 81 public void log(String s) { 82 Message m = Message.obtain(mHandler, MESSAGE_LOG); 83 m.obj = s; 84 mHandler.sendMessage(m); 85 } 86 87 private void appendLog(String text) { 88 Rect r = new Rect(); 89 mLog.getDrawingRect(r); 90 int maxLines = r.height() / mLog.getLineHeight() - 1; 91 text = mLog.getText() + "\n" + text; 92 93 // see how many lines we have 94 int index = text.lastIndexOf('\n'); 95 int count = 0; 96 while (index > 0 && count <= maxLines) { 97 count++; 98 index = text.lastIndexOf('\n', index - 1); 99 } 100 101 // truncate to maxLines 102 if (index > 0) { 103 text = text.substring(index + 1); 104 } 105 mLog.setText(text); 106 } 107 108 public void deviceOnline(AdbDevice device) { 109 Message m = Message.obtain(mHandler, MESSAGE_DEVICE_ONLINE); 110 m.obj = device; 111 mHandler.sendMessage(m); 112 } 113 114 private void handleDeviceOnline(AdbDevice device) { 115 log("device online: " + device.getSerial()); 116 device.openSocket("shell:exec logcat"); 117 } 118 119 // Sets the current USB device and interface 120 private boolean setAdbInterface(UsbDevice device, UsbInterface intf) { 121 if (mDeviceConnection != null) { 122 if (mInterface != null) { 123 mDeviceConnection.releaseInterface(mInterface); 124 mInterface = null; 125 } 126 mDeviceConnection.close(); 127 mDevice = null; 128 mDeviceConnection = null; 129 } 130 131 if (device != null && intf != null) { 132 UsbDeviceConnection connection = mManager.openDevice(device); 133 if (connection != null) { 134 log("open succeeded"); 135 if (connection.claimInterface(intf, false)) { 136 log("claim interface succeeded"); 137 mDevice = device; 138 mDeviceConnection = connection; 139 mInterface = intf; 140 mAdbDevice = new AdbDevice(this, mDeviceConnection, intf); 141 log("call start"); 142 mAdbDevice.start(); 143 return true; 144 } else { 145 log("claim interface failed"); 146 connection.close(); 147 } 148 } else { 149 log("open failed"); 150 } 151 } 152 153 if (mDeviceConnection == null && mAdbDevice != null) { 154 mAdbDevice.stop(); 155 mAdbDevice = null; 156 } 157 return false; 158 } 159 160 // searches for an adb interface on the given USB device 161 static private UsbInterface findAdbInterface(UsbDevice device) { 162 Log.d(TAG, "findAdbInterface " + device); 163 int count = device.getInterfaceCount(); 164 for (int i = 0; i < count; i++) { 165 UsbInterface intf = device.getInterface(i); 166 if (intf.getInterfaceClass() == 255 && intf.getInterfaceSubclass() == 66 && 167 intf.getInterfaceProtocol() == 1) { 168 return intf; 169 } 170 } 171 return null; 172 } 173 174 BroadcastReceiver mUsbReceiver = new BroadcastReceiver() { 175 public void onReceive(Context context, Intent intent) { 176 String action = intent.getAction(); 177 178 if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(action)) { 179 UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); 180 UsbInterface intf = findAdbInterface(device); 181 if (intf != null) { 182 log("Found adb interface " + intf); 183 setAdbInterface(device, intf); 184 } 185 } else if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) { 186 UsbDevice device = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); 187 String deviceName = device.getDeviceName(); 188 if (mDevice != null && mDevice.equals(deviceName)) { 189 log("adb interface removed"); 190 setAdbInterface(null, null); 191 } 192 } 193 } 194 }; 195 196 Handler mHandler = new Handler() { 197 @Override 198 public void handleMessage(Message msg) { 199 switch (msg.what) { 200 case MESSAGE_LOG: 201 appendLog((String)msg.obj); 202 break; 203 case MESSAGE_DEVICE_ONLINE: 204 handleDeviceOnline((AdbDevice)msg.obj); 205 break; 206 } 207 } 208 }; 209 } 210 211 212
