'''     public static Point getAbsoluteCenterOfView(ViewNode node)      * Gets the absolute x/y center of the specified view node.      *      * @param node view node to find position of.      * @return absolute x/y center of the specified view node.      */ ''' point = viewer.getAbsoluteCenterOfView(button) print "Button Absolute Center Position:",point

4.2 分析和建议

'''     public String getFocusedWindowName()      * Gets the window that currently receives the focus.      *      * @return name of the window that currently receives the focus. ''' window = viewer.getFocusedWindowName() print "Window Name:",window.encode('utf-8')

6.2 解析

其实就是获得当前打开的窗口的packageName/activityName，输出与HierarchyViewer工具检测到的信息一致，所以猜想其用到同样的方法。

输出：

'''     public boolean visible(ViewNode node)       * Gets the visibility of a given element.      * @param selector selector for the view.      * @return True if the element is visible. ''' isVisible = viewer.visible(button) print "is visible:",isVisible

from com.android.monkeyrunner import MonkeyRunner,MonkeyDevice from com.android.monkeyrunner.easy import EasyMonkeyDevice,By from com.android.chimpchat.hierarchyviewer import HierarchyViewer from com.android.hierarchyviewerlib.models import ViewNode, Window from java.awt import Point  #from com.android.hierarchyviewerlib.device import   #Connect to the target targetDevice targetDevice = MonkeyRunner.waitForConnection()  easy_device = EasyMonkeyDevice(targetDevice)  #touch a button by id would need this targetDevice.startActivity(component="com.example.android.notepad/com.example.android.notepad.NotesList")  #time.sleep(2000) #invoke the menu options MonkeyRunner.sleep(6) targetDevice.press('KEYCODE_MENU', MonkeyDevice.DOWN_AND_UP);  '''      public ViewNode findViewById(String id)       * @param id id for the view.      * @return view with the specified ID, or {@code null} if no view found. ''' viewer = targetDevice.getHierarchyViewer() button = viewer.findViewById('id/title') text = viewer.getText(button) print text.encode('utf-8')   '''      public ViewNode findViewById(String id, ViewNode rootNode)       * Find a view by ID, starting from the given root node      * @param id ID of the view you're looking for      * @param rootNode the ViewNode at which to begin the traversal      * @return view with the specified ID, or {@code null} if no view found.       ''' iconMenuView = viewer.findViewById('id/icon_menu') button = viewer.findViewById('id/title',iconMenuView) print "Button Text:",text.encode('utf-8')  '''     public String getFocusedWindowName()      * Gets the window that currently receives the focus.      *      * @return name of the window that currently receives the focus. ''' window = viewer.getFocusedWindowName() print "Window Name:",window.encode('utf-8')  '''     public static Point getAbsoluteCenterOfView(ViewNode node)      * Gets the absolute x/y center of the specified view node.      *      * @param node view node to find position of.      * @return absolute x/y center of the specified view node.      */ ''' point = viewer.getAbsoluteCenterOfView(button) print "Button Absolute Center Position:",point  '''     public static Point getAbsolutePositionOfView(ViewNode node)      * Gets the absolute x/y position of the view node.      *      * @param node view node to find position of.      * @return point specifying the x/y position of the node. ''' point = viewer.getAbsolutePositionOfView(button) print "Button Absolute Position:", point  '''     public boolean visible(ViewNode node)       * Gets the visibility of a given element.      * @param selector selector for the view.      * @return True if the element is visible. ''' isVisible = viewer.visible(button) print "is visible:",isVisible

9.附上HierarchyViewer类的源码方便参照

/*  * Copyright (C) 2011 The Android Open Source Project  *  * 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.chimpchat.hierarchyviewer; import com.android.ddmlib.IDevice; import com.android.ddmlib.Log; import com.android.hierarchyviewerlib.device.DeviceBridge; import com.android.hierarchyviewerlib.device.ViewServerDevice; import com.android.hierarchyviewerlib.models.ViewNode; import com.android.hierarchyviewerlib.models.Window; import org.eclipse.swt.graphics.Point; /**  * Class for querying the view hierarchy of the device.  */ public class HierarchyViewer {     public static final String TAG = "hierarchyviewer";     private IDevice mDevice;     /**      * Constructs the hierarchy viewer for the specified device.      *      * @param device The Android device to connect to.      */     public HierarchyViewer(IDevice device) {         this.mDevice = device;         setupViewServer();     }     private void setupViewServer() {         DeviceBridge.setupDeviceForward(mDevice);         if (!DeviceBridge.isViewServerRunning(mDevice)) {             if (!DeviceBridge.startViewServer(mDevice)) {                 // TODO: Get rid of this delay.                 try {                     Thread.sleep(2000);                 } catch (InterruptedException e) {                 }                 if (!DeviceBridge.startViewServer(mDevice)) {                     Log.e(TAG, "Unable to debug device " + mDevice);                     throw new RuntimeException("Could not connect to the view server");                 }                 return;             }         }         DeviceBridge.loadViewServerInfo(mDevice);     }     /**      * Find a view by id.      *      * @param id id for the view.      * @return view with the specified ID, or {@code null} if no view found.      */     public ViewNode findViewById(String id) {         ViewNode rootNode = DeviceBridge.loadWindowData(                 new Window(new ViewServerDevice(mDevice), "", 0xffffffff));         if (rootNode == null) {             throw new RuntimeException("Could not dump view");         }         return findViewById(id, rootNode);     }     /**      * Find a view by ID, starting from the given root node      * @param id ID of the view you're looking for      * @param rootNode the ViewNode at which to begin the traversal      * @return view with the specified ID, or {@code null} if no view found.      */     public ViewNode findViewById(String id, ViewNode rootNode) {         if (rootNode.id.equals(id)) {             return rootNode;         }         for (ViewNode child : rootNode.children) {             ViewNode found = findViewById(id,child);             if (found != null) {                 return found;             }         }         return null;     }     /**      * Gets the window that currently receives the focus.      *      * @return name of the window that currently receives the focus.      */     public String getFocusedWindowName() {         int id = DeviceBridge.getFocusedWindow(mDevice);         Window[] windows = DeviceBridge.loadWindows(new ViewServerDevice(mDevice), mDevice);         for (Window w : windows) {             if (w.getHashCode() == id)                 return w.getTitle();         }         return null;     }     /**      * Gets the absolute x/y position of the view node.      *      * @param node view node to find position of.      * @return point specifying the x/y position of the node.      */     public static Point getAbsolutePositionOfView(ViewNode node) {         int x = node.left;         int y = node.top;         ViewNode p = node.parent;         while (p != null) {             x += p.left - p.scrollX;             y += p.top - p.scrollY;             p = p.parent;         }         return new Point(x, y);     }     /**      * Gets the absolute x/y center of the specified view node.      *      * @param node view node to find position of.      * @return absolute x/y center of the specified view node.      */     public static Point getAbsoluteCenterOfView(ViewNode node) {         Point point = getAbsolutePositionOfView(node);         return new Point(                 point.x + (node.width / 2), point.y + (node.height / 2));     }     /**      * Gets the visibility of a given element.      *      * @param selector selector for the view.      * @return True if the element is visible.      */     public boolean visible(ViewNode node) {         boolean ret = (node != null)                 && node.namedProperties.containsKey("getVisibility()")                 && "VISIBLE".equalsIgnoreCase(                         node.namedProperties.get("getVisibility()").value);         return ret;     }     /**      * Gets the text of a given element.      *      * @param selector selector for the view.      * @return the text of the given element.      */     public String getText(ViewNode node) {         if (node == null) {             throw new RuntimeException("Node not found");         }         ViewNode.Property textProperty = node.namedProperties.get("text:mText");         if (textProperty == null) {             // give it another chance, ICS ViewServer returns mText             textProperty = node.namedProperties.get("mText");             if (textProperty == null) {                 throw new RuntimeException("No text property on node");             }         }         return textProperty.value;     } }

10. 参考阅读

• Robotium之Android控件定位实践和建议(Appium/UIAutomator姊妹篇)
  
• UIAutomator定位Android控件的方法实践和建议(Appium姊妹篇)
  
• Appium基于安卓的各种FindElement的控件定位方法实践和建议
  

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