android 模拟屏幕点击

Myth丶恋晨 2022-09-19 08:08 187阅读 0赞

工作中有一个界面刚进入时要弹出一个popupwindow，里面有键盘，结果直接模拟点击事件不起作用，还报错，

12-26 17:01:08.636: D/CrashHandler(1795): android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running?  
12-26 17:01:08.636: D/CrashHandler(1795):  at android.view.ViewRoot.setView(ViewRoot.java:505)  
12-26 17:01:08.636: D/CrashHandler(1795):  at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:177)  
12-26 17:01:08.636: D/CrashHandler(1795):  at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)  
12-26 17:01:08.636: D/CrashHandler(1795):  at android.view.Window$LocalWindowManager.addView(Window.java:424)  
12-26 17:01:08.636: D/CrashHandler(1795):  at android.widget.Popupwindows.invokePopup(PopupWindow.java:828)  
12-26 17:01:08.636: D/CrashHandler(1795):  at android.widget.PopupWindow.showAtLocation(PopupWindow.java:688)  
12-26 17:01:08.636: D/CrashHandler(1795):  at com.jiuqi.muchmore.clothing.view.keyboard.OnClickListenerForKeyboard.onClick(OnClickListenerForKeyboard.java:258)  
12-26 17:01:08.636: D/CrashHandler(1795):  at android.view.View.performClick(View.java:2408)

把它加到异步任务中，等待一会（500毫秒）就正常了，百思不得其解。

弹出方法最后考达内的一篇文章做了下试验，解决了。

[http://www.cdtarena.com/gpx/201211/6042.html][http_www.cdtarena.com_gpx_201211_6042.html]

布局文件：showime.xml

<?xml version="1.0" encoding="utf-8"?>  
<LinearLayout xmlns:android="[http://schemas.android.com/apk/res/android][http_schemas.android.com_apk_res_android]"  
    android:layout\_width="fill\_parent"  
    android:layout\_height="fill\_parent"  
    android:focusable="true"  
    android:focusableInTouchMode="true"  
    android:orientation="vertical" >

</LinearLayout>

java源码：ShowIME.java

import android.app.Activity;  
import android.os.AsyncTask;  
import android.os.Bundle;  
import android.os.Handler;  
import android.os.Looper;  
import android.os.Message;  
import android.os.SystemClock;  
import android.view.MotionEvent;  
import android.view.View;  
import android.view.Window;  
import android.view.View.OnClickListener;  
import android.widget.Button;  
import android.widget.EditText;

public class ShowIME extends Activity\{  
 private EditText et;  
 private Button bt;  
 private static Handler messageHandler;

@Override  
 public void onCreate(Bundle savedInstanceState)\{  
  super.onCreate(savedInstanceState);  
  requestWindowFeature(Window.FEATURE\_NO\_TITLE);  
  setContentView(R.layout.showime);

bt = (Button)findViewById(R.id.ButtonIME);  
  bt.setOnClickListener(new OnClickListener()\{  
   @Override  
   public void onClick(View v)\{  
    et.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_DOWN,  
            et.getLeft() + 5, et.getTop() + 5, 0));  
    et.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_UP,  
            et.getLeft() + 5, et.getTop() + 5, 0));  
   \}  
  \});  
  et = (EditText)findViewById(R.id.EditTextIME);  
  PopupKeyboardAsync t = new PopupKeyboardAsync();  
  t.execute();  
    
//  et.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_DOWN, et.getLeft()+5, et.getTop()+5, 0));  
//  et.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_UP, et.getLeft()+5, et.getTop()+5, 0));  
    
//  Looper looper = Looper.myLooper();  
//  messageHandler = new MessageHandler(looper);  
//  //此处的作用是延迟1秒，然后激活点击事件  
//  new Thread()\{  
//   @Override  
//   public void run()\{  
//    synchronized(this)\{  
//     try\{  
//      wait(1000); //1秒  
//     \}  
//     catch(InterruptedException e)\{  
//      e.printStackTrace();  
//     \}  
//    \}  
//    Message message = Message.obtain();  
//    message.what = 1;  
//    messageHandler.sendMessage(message);  
//   \}  
//  \}.start();  
 \}  
   
 class PopupKeyboardAsync extends AsyncTask \{

@Override  
        protected Void doInBackground(Void... params)\{  
   synchronized(this)\{  
    try\{  
     wait(500); //0.5秒  
    \}  
    catch(InterruptedException e)\{  
     e.printStackTrace();  
    \}  
   \}  
         return null;  
        \}  
    
  @Override  
  protected void onPostExecute(Void result)\{  
   et.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_DOWN, et.getLeft()+5, et.getTop()+5, 0));  
   et.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_UP, et.getLeft()+5, et.getTop()+5, 0));  
  \}  
 \}

class MessageHandler extends Handler\{  
  public MessageHandler(Looper looper)\{  
   super(looper);  
  \}

@Override  
  public void handleMessage(Message msg)\{  
   Bundle bundle = msg.getData();  
   switch(msg.what)\{  
    case 1:  
     //模拟点击按钮  
//     bt.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_DOWN,  
//             et.getLeft() + 5, et.getTop() + 5, 0));  
//     bt.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_UP,  
//             et.getLeft() + 5, et.getTop() + 5, 0));

//以下代码模拟点击文本编辑框  
     et.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_DOWN, et.getLeft()+5, et.getTop()+5, 0));  
     et.dispatchTouchEvent(MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(), MotionEvent.ACTION\_UP, et.getLeft()+5, et.getTop()+5, 0));  
     break;  
    default:  
     break;  
   \}

\}  
 \}  
\}

其他参考：

[http://www.baidu.com/s?wd=android 模拟 MotionEvent&pn=10&ie=utf-8&rsv\_page=1][http_www.baidu.com_s_wd_android _ MotionEvent_pn_10_ie_utf-8_rsv_page_1]

[http://hhj35713.blog.163.com/blog/static/2107092442012722104950715/][http_hhj35713.blog.163.com_blog_static_2107092442012722104950715]

[http://www.docin.com/p-418125317.html][http_www.docin.com_p-418125317.html]

[http://www.blogjava.net/cdz/archive/2011/11/25/364835.html][http_www.blogjava.net_cdz_archive_2011_11_25_364835.html]

[http://www.dewen.org/q/5875][http_www.dewen.org_q_5875]

[http://my.oschina.net/banxi/blog/56421][http_my.oschina.net_banxi_blog_56421]

[http://lvlayster.iteye.com/blog/1333334][http_lvlayster.iteye.com_blog_1333334]

[http_www.cdtarena.com_gpx_201211_6042.html]: http://www.cdtarena.com/gpx/201211/6042.html
[http_schemas.android.com_apk_res_android]: http://schemas.android.com/apk/res/android
[http_www.baidu.com_s_wd_android _ MotionEvent_pn_10_ie_utf-8_rsv_page_1]: http://www.baidu.com/s?wd=android%20%E6%A8%A1%E6%8B%9F%20MotionEvent&pn=10&ie=utf-8&rsv_page=1
[http_hhj35713.blog.163.com_blog_static_2107092442012722104950715]: http://hhj35713.blog.163.com/blog/static/2107092442012722104950715/
[http_www.docin.com_p-418125317.html]: http://www.docin.com/p-418125317.html
[http_www.blogjava.net_cdz_archive_2011_11_25_364835.html]: http://www.blogjava.net/cdz/archive/2011/11/25/364835.html
[http_www.dewen.org_q_5875]: http://www.dewen.org/q/5875
[http_my.oschina.net_banxi_blog_56421]: http://my.oschina.net/banxi/blog/56421
[http_lvlayster.iteye.com_blog_1333334]: http://lvlayster.iteye.com/blog/1333334