android 模拟屏幕点击

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

 

布局文件：showime.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns: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" >

    <Button
        android:id="@+id/ButtonIME"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:padding="5px"
        android:text="弹出软键盘输入法" />

    <EditText
        android:id="@+id/EditTextIME"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:padding="5px"
        android:text="显示输入法键盘22" />

</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://hhj35713.blog.163.com/blog/static/2107092442012722104950715/

http://www.docin.com/p-418125317.html

http://www.blogjava.net/cdz/archive/2011/11/25/364835.html

http://www.dewen.org/q/5875

http://my.oschina.net/banxi/blog/56421

http://lvlayster.iteye.com/blog/1333334