Android onTouchEvent通过检测通过代码实现

我想做到以下几点：

I have two buttons. When first button is pressed,
it will fire onTouchEvent on second button, thus pressing second button.

以下是触发事件的代码摘录：

int test1[] = new int[2];
button2.getLocationInWindow(test1);   //--->getting coordinates of second button
Instrumentation m_Instrumentation = new Instrumentation();
//firing event
m_Instrumentation.sendPointerSync(MotionEvent.obtain(android.os.SystemClock.uptimeMillis(),android.os.SystemClock.uptimeMillis(),MotionEvent.ACTION_DOWN,test1[0]+10, test1[1]+10, 0));

注意：我使用genymotion emulator

错误日志：

07-08 12:47:38.743: E/InputEventReceiver(6849): Exception dispatching input event.
07-08 12:47:38.743: E/MessageQueue-JNI(6849): Exception in MessageQueue callback: handleReceiveCallback
07-08 12:47:38.743: E/MessageQueue-JNI(6849): java.lang.RuntimeException: This method can not be called from the main application thread
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.app.Instrumentation.validateNotAppThread(Instrumentation.java:1651)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.app.Instrumentation.sendPointerSync(Instrumentation.java:933)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at com.example.touchtest1.MainActivity.fireEvent(MainActivity.java:55)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at com.example.touchtest1.MainActivity$MyTouchListener.onTouch(MainActivity.java:75)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.View.dispatchTouchEvent(View.java:7701)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2068)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1515)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.app.Activity.dispatchTouchEvent(Activity.java:2458)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.support.v7.app.ActionBarActivityDelegateICS$WindowCallbackWrapper.dispatchTouchEvent(ActionBarActivityDelegateICS.java:260)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2016)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.View.dispatchPointerEvent(View.java:7886)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at  android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:3954)
07-08 12:47:38.743: E/MessageQueue-JNI(6849):   at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3833)

然而，这并没有达到预期的效果。问题出在哪里

对于基于错误和的

，看起来您无法在主线程（换句话说，UI线程）上运行此操作

一个可能的解决方案是在另一个线程中运行它。它看起来是这样的：

int test1[] = new int[2];
button2.getLocationInWindow(test1);   //--->getting coordinates of second button
final Instrumentation m_Instrumentation = new Instrumentation();
//firing event

new Thread(new Runnable() {
    @Override
    public void run() {
        m_Instrumentation.sendPointerSync(MotionEvent.obtain(
               android.os.SystemClock.uptimeMillis(),
               android.os.SystemClock.uptimeMillis(),
               MotionEvent.ACTION_DOWN,test1[0]+10, test1[1]+10, 0));
    }
}).start();

---

请注意，我已将

m_Instrumentation

更改为

final

变量，以便它可以在不同的线程中使用。

Instrumentation无法在主（UI）线程上工作

您可以尝试实现一个AsyncTask类，它可以在后台为您完成工作。实现之后，您只需要从类中的方法调用它

 private void CREATE_EVENT()
 {
    long action_time = SystemClock.uptimeMillis();

    //MotionEvent.obtain(long downTime, long eventTime, int action, float x, float y, int metaState);
    MotionEvent motion_event = MotionEvent.obtain(action_time, action_time, MotionEvent.ACTION_DOWN, 250, 150, 0); 

    new INJECT_EVENTS().execute(motion_event);
  }

 public class INJECT_EVENTS extends AsyncTask<MotionEvent, MotionEvent, MotionEvent>
 {
    @Override
    protected MotionEvent doInBackground(MotionEvent ... event) {

        Instrumentation inject_event = new Instrumentation();
        event[0].recycle();
        inject_event.sendPointerSync(event[0]);
        Log.i("TEST", event[0].toString() + " __________________________EVENT CREATED!");
        return null;
    }
 }

private void CREATE_事件（）
{
长动作时间=SystemClock.uptimeMillis（）；
//获取（长停机时间、长事件时间、int操作、浮点x、浮点y、int元状态）；
MotionEvent motion\u event=MotionEvent.get（action\u time，action\u time，MotionEvent.action\u DOWN，250,150,0）；
新注入事件（）.execute（运动事件）；
}
公共类注入事件扩展异步任务
{
@凌驾
受保护的MotionEvent doInBackground（MotionEvent…事件）{
插装注入事件=新插装（）；
事件[0]。回收（）；
inject_event.sendPointerSync（事件[0]）；
Log.i（“TEST”，事件[0]。toString（）+“\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu事件已创建！”）；
返回null；
}
}

什么是“不按计划进行”呢？当您尝试此操作时，实际发生了什么？@AndrewSchuster，它会给出错误。现在，我将用错误更新log@AndrewSchuster，我更新了错误日志