UIDevice中有20個方法，是關于觸屏操作的，占方法總數的三分之一。數量看似很多，仔細分析一下，也就幾類。

（1）功能鍵型，7個，HOME,RECENT,BACK,DELETE,ENTER,MENU,SEARCH
（2）開啟固定界面型，2個,Notification,Quick Setting
（3）按鍵型，7個，包括方向型（上下左右中），以及KeyCode事件型
（4）單擊、拖拽型，4個

由于不想將博文變得冗長，該部分我們將分為三個章節，本文將講述前兩項，即功能鍵和固定界面。

先列一下，需要調用的接口方法。

功能鍵型（具體按鍵可對應下圖，未給出回車鍵）：

（1）public boolean pressSearch() ，點擊查找功能鍵
（2）public boolean pressBack() ，點擊后退鍵
（3）public boolean pressDelete() ，點擊刪除鍵
（4）public boolean pressEnter() ，點擊回車鍵
（5）public boolean pressHome()，點擊Home鍵
（6）public boolean pressMenu()，點擊菜單鍵
（7）public boolean pressRecentApps()，點擊在運行的APP鍵

固定界面型：

（1）public boolean openNotification()，展開通知欄
（2）public boolean openQuickSettings()，展開快速設置欄

需要指出的是，由于各廠家對于功能鍵的顯示方式不同，導致某些功能鍵不存在，或者滿足一定條件才顯示。因此，本文所提供的樣例，在不同手機上的測試效果可能存在差異。

注：關于Search鍵的顯示，需要在EditView中設置兩項屬性

測試案例代碼如下：

package com.breakloop.u2demo.uidevice;import android.os.RemoteException; import android.support.test.InstrumentationRegistry; import android.support.test.uiautomator.By; import android.support.test.uiautomator.UiDevice; import android.support.test.uiautomator.UiObject2; import android.support.test.uiautomator.Until; import android.util.Log;import com.breakloop.u2demo.common.Utils;import org.junit.BeforeClass; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4;/*** Created by user on 2017/11/3.*/public class FingerTest extends UIDeviceTest {@Testpublic void FunctionKeyTest(){String packageName="com.breakloop.test";String activityName=".MainActivity";boolean result;int timeOut=5000;Log.i(TAG, "Start Test");result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);//(1)Open APPUtils.startAPP(mDevice,packageName,activityName);Log.i(TAG, "open APP");result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);//(2)Click Edit View1, then Search Button appearUiObject2 mInput1=mDevice.findObject(By.res("com.breakloop.test:id/et_input1"));if(mInput1==null){Log.i(TAG, "Do not find Input1");}else {if (mInput1.isEnabled()) {mInput1.click();result = mDevice.waitForWindowUpdate(null, timeOut);Log.i(TAG, "wait For Window Update, result = " + result);mInput1.setText("SSS");result=mDevice.pressSearch();Log.i(TAG, "Press Search Button, result = "+result);mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);}}//(3)Click Edit View2, then Menu Button appearUiObject2 mInput2=mDevice.findObject(By.res("com.breakloop.test:id/et_input2"));if(mInput2==null){Log.i(TAG, "Do not find Input2");}else {if(mInput2.isEnabled()){mInput2.click();result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);mInput2.setText("AAA");result=mDevice.pressEnter();Log.i(TAG, "Press Enter Button, result = "+result);mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);result=mDevice.pressMenu();Log.i(TAG, "Press Menu Button, result = "+result);mDevice.waitForWindowUpdate(packageName,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);}}//(4)Change Activity and Press Back ButtonUiObject2 button=mDevice.findObject(By.res("com.breakloop.test:id/btn_goto2"));if(button==null){Log.i(TAG, "Do not find Button");}else {if (button.isEnabled()) {button.click();mDevice.waitForWindowUpdate(packageName, timeOut);result=mDevice.pressBack();Log.i(TAG, "Press Back Button, result = "+result);mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);}}//(5)Press Home Buttonresult=mDevice.pressHome();Log.i(TAG, "Press Home Button, result = "+result);mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);//(6)Press Recent Buttontry {result=mDevice.pressRecentApps();Log.i(TAG, "Press Recet Apps Button, result = "+result);result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);} catch (RemoteException e) {e.printStackTrace();}//(7)Press Deleteresult=mDevice.pressDelete();Log.i(TAG, "Press Delete Button, result = "+result);result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);//(8)Press Home Buttonresult=mDevice.pressHome();Log.i(TAG, "Press Home Button, result = "+result);result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);//(9)Open Notificationresult=mDevice.openNotification();Log.i(TAG, "Press Notification Button, result = "+result);result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);//(10)Press Home Buttonresult=mDevice.pressHome();Log.i(TAG, "Press Home Button, result = "+result);result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);//(11)Open Quick Settingresult=mDevice.openQuickSettings();Log.i(TAG, "Press Quick Setting Button, result = "+result);result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);//(12)Press Home Buttonresult=mDevice.pressHome();Log.i(TAG, "Press Home Button, result = "+result);result=mDevice.waitForWindowUpdate(null,timeOut);Log.i(TAG, "wait For Window Update, result = "+result);Log.i(TAG, "End Test");} }

執行結果如下：

11-03 16:13:24.876 I/com.breakloop.u2demo.uidevice.FingerTest: Start Test 11-03 16:13:25.015 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:25.470 I/com.breakloop.u2demo.uidevice.FingerTest: open APP 11-03 16:13:25.516 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:32.610 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:33.655 I/com.breakloop.u2demo.uidevice.FingerTest: Press Search Button, result = true 11-03 16:13:34.043 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:36.584 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:37.639 I/com.breakloop.u2demo.uidevice.FingerTest: Press Enter Button, result = true 11-03 16:13:37.680 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:39.600 I/com.breakloop.u2demo.uidevice.FingerTest: Press Menu Button, result = true 11-03 16:13:47.575 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:50.646 I/com.breakloop.u2demo.uidevice.FingerTest: Press Back Button, result = true 11-03 16:13:51.095 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:52.650 I/com.breakloop.u2demo.uidevice.FingerTest: Press Home Button, result = true 11-03 16:13:52.698 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:54.603 I/com.breakloop.u2demo.uidevice.FingerTest: Press Recet Apps Button, result = true 11-03 16:13:54.657 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:56.620 I/com.breakloop.u2demo.uidevice.FingerTest: Press Delete Button, result = true 11-03 16:13:56.661 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:13:59.647 I/com.breakloop.u2demo.uidevice.FingerTest: Press Home Button, result = true 11-03 16:13:59.648 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:14:01.619 I/com.breakloop.u2demo.uidevice.FingerTest: Press Notification Button, result = true 11-03 16:14:01.629 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:14:03.666 I/com.breakloop.u2demo.uidevice.FingerTest: Press Home Button, result = true 11-03 16:14:03.670 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:14:05.633 I/com.breakloop.u2demo.uidevice.FingerTest: Press Quick Setting Button, result = true 11-03 16:14:05.642 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:14:07.752 I/com.breakloop.u2demo.uidevice.FingerTest: Press Home Button, result = true 11-03 16:14:07.772 I/com.breakloop.u2demo.uidevice.FingerTest: wait For Window Update, result = true 11-03 16:14:07.772 I/com.breakloop.u2demo.uidevice.FingerTest: End Test

執行效果如下圖：

比對執行效果和LOG，發現pressMenu觸發成功，但并未顯示。原因未查到。
另，Android7.0基本上導航鍵上已經沒有菜單鍵了。

使用測試手機為華為Mate8，Android版本為7.0。

總結

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