The file containing the source code shown below is located in the corresponding directory in <sdk>/samples/android-<version>/...
/* * Copyright (C) 2011 The Android开源工程 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.adb; import android.app.Activity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.graphics.Rect; import android.hardware.usb.UsbDevice; import android.hardware.usb.UsbDeviceConnection; import android.hardware.usb.UsbInterface; import android.hardware.usb.UsbManager; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import android.widget.TextView; /* Main activity for the adb test program */ public class AdbTestActivity extends Activity { private static final String TAG = "AdbTestActivity"; private TextView mLog; private UsbManager mManager; private UsbDevice mDevice; private UsbDeviceConnection mDeviceConnection; private UsbInterface mInterface; private AdbDevice mAdbDevice; private static final int MESSAGE_LOG = 1; private static final int MESSAGE_DEVICE_ONLINE = 2; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.adb); mLog = (TextView)findViewById(R.id.log); mManager = (UsbManager)getSystemService(Context.USB_SERVICE); // check for existing devices for (UsbDevice device : mManager.getDeviceList().values()) { UsbInterface intf = findAdbInterface(device); if (setAdbInterface(device, intf)) { break; } } // listen for new devices IntentFilter filter = new IntentFilter(); filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED); filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED); registerReceiver(mUsbReceiver, filter); } @Override public void onDestroy() { unregisterReceiver(mUsbReceiver); setAdbInterface(null, null); super.onDestroy(); } public void log(String s) { Message m = Message.obtain(mHandler, MESSAGE_LOG); m.obj = s; mHandler.sendMessage(m); } private void appendLog(String text) { Rect r = new Rect(); mLog.getDrawingRect(r); int maxLines = r.height() / mLog.getLineHeight() - 1; text = mLog.getText() + "\n" + text; // see how many lines we have int index = text.lastIndexOf('\n'); int count = 0; while (index > 0 && count <= maxLines) { count++; index = text.lastIndexOf('\n', index - 1); } // truncate to maxLines if (index > 0) { text = text.substring(index + 1); } mLog.setText(text); } public void deviceOnline(AdbDevice device) { Message m = Message.obtain(mHandler, MESSAGE_DEVICE_ONLINE); m.obj = device; mHandler.sendMessage(m); } private void handleDeviceOnline(AdbDevice device) { log("device online: " + device.getSerial()); device.openSocket("shell:exec logcat"); } // Sets the current USB device and interface private boolean setAdbInterface(UsbDevice device, UsbInterface intf) { if (mDeviceConnection != null) { if (mInterface != null) { mDeviceConnection.releaseInterface(mInterface); mInterface = null; } mDeviceConnection.close(); mDevice = null; mDeviceConnection = null; } if (device != null && intf != null) { UsbDeviceConnection connection = mManager.openDevice(device); if (connection != null) { log("open succeeded"); if (connection.claimInterface(intf, false)) { log("claim interface succeeded"); mDevice = device; mDeviceConnection = connection; mInterface = intf; mAdbDevice = new AdbDevice(this, mDeviceConnection, intf); log("call start"); mAdbDevice.start(); return true; } else { log("claim interface failed"); connection.close(); } } else { log("open failed"); } } if (mDeviceConnection == null && mAdbDevice != null) { mAdbDevice.stop(); mAdbDevice = null; } return false; } // searches for an adb interface on the given USB device static private UsbInterface findAdbInterface(UsbDevice device) { Log.d(TAG, "findAdbInterface " + device); int count = device.getInterfaceCount(); for (int i = 0; i < count; i++) { UsbInterface intf = device.getInterface(i); if (intf.getInterfaceClass() == 255 && intf.getInterfaceSubclass() == 66 && intf.getInterfaceProtocol() == 1) { return intf; } } return null; } BroadcastReceiver mUsbReceiver = new BroadcastReceiver() { public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(action)) { UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); UsbInterface intf = findAdbInterface(device); if (intf != null) { log("Found adb interface " + intf); setAdbInterface(device, intf); } } else if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) { UsbDevice device = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); String deviceName = device.getDeviceName(); if (mDevice != null && mDevice.equals(deviceName)) { log("adb interface removed"); setAdbInterface(null, null); } } } }; Handler mHandler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case MESSAGE_LOG: appendLog((String)msg.obj); break; case MESSAGE_DEVICE_ONLINE: handleDeviceOnline((AdbDevice)msg.obj); break; } } }; }