Add AdbTest sample program
This sample implements the "adb logcat" command using USB host APIs. Change-Id: Ifbf122e99358bd3a1cd2a7967c364ffd59f003b3 Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Mike Lockwood
211
samples/USB/AdbTest/src/com/android/adb/AdbTestActivity.java
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211
samples/USB/AdbTest/src/com/android/adb/AdbTestActivity.java
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/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.adb;
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import android.app.Activity;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.graphics.Rect;
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import android.hardware.usb.UsbDevice;
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import android.hardware.usb.UsbDeviceConnection;
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import android.hardware.usb.UsbInterface;
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import android.hardware.usb.UsbManager;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.util.Log;
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import android.widget.TextView;
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/* Main activity for the adb test program */
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public class AdbTestActivity extends Activity {
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private static final String TAG = "AdbTestActivity";
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private TextView mLog;
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private UsbManager mManager;
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private UsbDevice mDevice;
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private UsbDeviceConnection mDeviceConnection;
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private UsbInterface mInterface;
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private AdbDevice mAdbDevice;
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private static final int MESSAGE_LOG = 1;
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private static final int MESSAGE_DEVICE_ONLINE = 2;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.adb);
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mLog = (TextView)findViewById(R.id.log);
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mManager = (UsbManager)getSystemService(Context.USB_SERVICE);
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// check for existing devices
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for (UsbDevice device : mManager.getDeviceList().values()) {
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UsbInterface intf = findAdbInterface(device);
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if (setAdbInterface(device, intf)) {
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break;
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}
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}
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// listen for new devices
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IntentFilter filter = new IntentFilter();
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filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
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filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
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registerReceiver(mUsbReceiver, filter);
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}
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@Override
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public void onDestroy() {
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unregisterReceiver(mUsbReceiver);
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setAdbInterface(null, null);
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super.onDestroy();
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}
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public void log(String s) {
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Message m = Message.obtain(mHandler, MESSAGE_LOG);
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m.obj = s;
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mHandler.sendMessage(m);
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}
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private void appendLog(String text) {
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Rect r = new Rect();
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mLog.getDrawingRect(r);
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int maxLines = r.height() / mLog.getLineHeight() - 1;
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text = mLog.getText() + "\n" + text;
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// see how many lines we have
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int index = text.lastIndexOf('\n');
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int count = 0;
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while (index > 0 && count <= maxLines) {
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count++;
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index = text.lastIndexOf('\n', index - 1);
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}
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// truncate to maxLines
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if (index > 0) {
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text = text.substring(index + 1);
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}
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mLog.setText(text);
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}
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public void deviceOnline(AdbDevice device) {
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Message m = Message.obtain(mHandler, MESSAGE_DEVICE_ONLINE);
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m.obj = device;
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mHandler.sendMessage(m);
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}
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private void handleDeviceOnline(AdbDevice device) {
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log("device online: " + device.getSerial());
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device.openSocket("shell:exec logcat");
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}
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// Sets the current USB device and interface
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private boolean setAdbInterface(UsbDevice device, UsbInterface intf) {
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if (mDeviceConnection != null) {
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if (mInterface != null) {
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mDeviceConnection.releaseInterface(mInterface);
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mInterface = null;
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}
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mDeviceConnection.close();
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mDevice = null;
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mDeviceConnection = null;
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}
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if (device != null && intf != null) {
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UsbDeviceConnection connection = mManager.openDevice(device);
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if (connection != null) {
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log("open succeeded");
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if (connection.claimInterface(intf, false)) {
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log("claim interface succeeded");
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mDevice = device;
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mDeviceConnection = connection;
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mInterface = intf;
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mAdbDevice = new AdbDevice(this, mDeviceConnection, intf);
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log("call start");
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mAdbDevice.start();
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return true;
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} else {
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log("claim interface failed");
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connection.close();
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}
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} else {
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log("open failed");
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}
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}
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if (mDeviceConnection == null && mAdbDevice != null) {
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mAdbDevice.stop();
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mAdbDevice = null;
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}
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return false;
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}
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// searches for an adb interface on the given USB device
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static private UsbInterface findAdbInterface(UsbDevice device) {
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Log.d(TAG, "findAdbInterface " + device);
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int count = device.getInterfaceCount();
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for (int i = 0; i < count; i++) {
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UsbInterface intf = device.getInterface(i);
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if (intf.getInterfaceClass() == 255 && intf.getInterfaceSubclass() == 66 &&
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intf.getInterfaceProtocol() == 1) {
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return intf;
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}
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}
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return null;
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}
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BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
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public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(action)) {
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UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
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UsbInterface intf = findAdbInterface(device);
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if (intf != null) {
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log("Found adb interface " + intf);
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setAdbInterface(device, intf);
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}
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} else if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) {
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UsbDevice device = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
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String deviceName = device.getDeviceName();
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if (mDevice != null && mDevice.equals(deviceName)) {
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log("adb interface removed");
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setAdbInterface(null, null);
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}
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}
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}
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};
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Handler mHandler = new Handler() {
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case MESSAGE_LOG:
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appendLog((String)msg.obj);
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break;
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case MESSAGE_DEVICE_ONLINE:
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handleDeviceOnline((AdbDevice)msg.obj);
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break;
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}
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}
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};
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}
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