DumpCommand.java revision 18b892c723e812a7e111f102d2b0c0782b116bb6
1/* 2 * Copyright (C) 2012 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 17package com.android.commands.uiautomator; 18 19import android.app.UiAutomation; 20import android.graphics.Point; 21import android.hardware.display.DisplayManagerGlobal; 22import android.os.Environment; 23import android.view.Display; 24import android.view.accessibility.AccessibilityNodeInfo; 25 26import com.android.commands.uiautomator.Launcher.Command; 27import com.android.uiautomator.core.AccessibilityNodeInfoDumper; 28import com.android.uiautomator.core.UiAutomationShellWrapper; 29 30import java.io.File; 31import java.util.concurrent.TimeoutException; 32 33/** 34 * Implementation of the dump subcommand 35 * 36 * This creates an XML dump of current UI hierarchy 37 */ 38public class DumpCommand extends Command { 39 40 private static final File DEFAULT_DUMP_FILE = new File( 41 Environment.getLegacyExternalStorageDirectory(), "window_dump.xml"); 42 43 public DumpCommand() { 44 super("dump"); 45 } 46 47 @Override 48 public String shortHelp() { 49 return "creates an XML dump of current UI hierarchy"; 50 } 51 52 @Override 53 public String detailedOptions() { 54 return " dump [--verbose][file]\n" 55 + " [--compressed]: dumps compressed layout information.\n" 56 + " [file]: the location where the dumped XML should be stored, default is\n " 57 + DEFAULT_DUMP_FILE.getAbsolutePath() + "\n"; 58 } 59 60 @Override 61 public void run(String[] args) { 62 File dumpFile = DEFAULT_DUMP_FILE; 63 boolean verboseMode = true; 64 65 for (String arg : args) { 66 if (arg.equals("--compressed")) 67 verboseMode = false; 68 else if (!arg.startsWith("-")) { 69 dumpFile = new File(arg); 70 } 71 } 72 73 UiAutomationShellWrapper automationWrapper = new UiAutomationShellWrapper(); 74 automationWrapper.connect(); 75 if (verboseMode) { 76 // default 77 automationWrapper.setCompressedLayoutHierarchy(false); 78 } else { 79 automationWrapper.setCompressedLayoutHierarchy(true); 80 } 81 82 // It appears that the bridge needs time to be ready. Making calls to the 83 // bridge immediately after connecting seems to cause exceptions. So let's also 84 // do a wait for idle in case the app is busy. 85 try { 86 UiAutomation uiAutomation = automationWrapper.getUiAutomation(); 87 uiAutomation.waitForIdle(1000, 1000 * 10); 88 AccessibilityNodeInfo info = uiAutomation.getRootInActiveWindow(); 89 if (info == null) { 90 System.err.println("ERROR: null root node returned by UiTestAutomationBridge."); 91 return; 92 } 93 94 Display display = 95 DisplayManagerGlobal.getInstance().getRealDisplay(Display.DEFAULT_DISPLAY); 96 int rotation = display.getRotation(); 97 Point size = new Point(); 98 display.getSize(size); 99 AccessibilityNodeInfoDumper.dumpWindowToFile(info, dumpFile, rotation, size.x, size.y); 100 } catch (TimeoutException re) { 101 System.err.println("ERROR: could not get idle state."); 102 return; 103 } finally { 104 automationWrapper.disconnect(); 105 } 106 System.out.println( 107 String.format("UI hierchary dumped to: %s", dumpFile.getAbsolutePath())); 108 } 109} 110