IWindowManager.injectKeyEvent模拟按键-遥感大数据的定义-程序博客网

描述: IWindowManager 提供了模拟 KeyEvents的简单方法，名字叫做 IWindowManager.injectKeyEvent(...). 要模拟KeyStroke（按键敲击）, 我们需要模拟一个指定KeyCode 的 KeyEvent.ACTION_DOWN 和 KeyEvent.ACTION_UP
.
在这个例子里我们将要模拟 Menu按键的 KeyStroke ，以使 Menu 弹出.

下面是这个例子的源码

Java代码

package org.anddev.android.simualtekeys;
import android.app.Activity;
import android.os.Bundle;
import android.os.DeadObjectException;
import android.os.ServiceManager;
import android.view.IWindowManager;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
public class SimualteKeyInput extends Activity {
/* The WindowManager capable of injecting keyStrokes. */
final IWindowManager windowManager = IWindowManager.Stub
.asInterface(ServiceManager.getService("window"));
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
/* Make the button do the menu-popup. */
this.findViewById(R.id.cmd_simulate_key).setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View arg0) {
/* Start the key-simulation in a thread
* so we do not block the GUI. */
new Thread(new Runnable() {
public void run() {
/* Simulate a KeyStroke to the menu-button. */
simulateKeystroke(KeyEvent.KEYCODE_SOFT_LEFT);
}
}).start(); /* And start the Thread. */
}
});
}
/** Create a dummy-menu. */
@Override
public boolean onCreateOptionsMenu(Menu menu) {
boolean supRetVal = super.onCreateOptionsMenu(menu);
menu.add(0, 0, "Awesome it works =)");
return supRetVal;
}
/** Wrapper-function taking a KeyCode.
* A complete KeyStroke is DOWN and UP Action on a key! */
private void simulateKeystroke(int KeyCode) {
doInjectKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyCode));
doInjectKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyCode));
}
/** This function actually handles the KeyStroke-Injection. */
private void doInjectKeyEvent(KeyEvent kEvent) {
try {
/* Inject the KeyEvent to the Window-Manager. */
windowManager.injectKeyEvent(kEvent.isDown(), kEvent.getKeyCode(),
kEvent.getRepeatCount(), kEvent.getDownTime(), kEvent
.getEventTime(), true);
} catch (DeadObjectException e) {
e.printStackTrace();
}
}
}

package org.anddev.android.simualtekeys;import android.app.Activity;import android.os.Bundle;import android.os.DeadObjectException;import android.os.ServiceManager;import android.view.IWindowManager;import android.view.KeyEvent;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;public class SimualteKeyInput extends Activity {     /* The WindowManager capable of injecting keyStrokes. */     final IWindowManager windowManager = IWindowManager.Stub               .asInterface(ServiceManager.getService("window"));     /** Called when the activity is first created. */     @Override     public void onCreate(Bundle icicle) {          super.onCreate(icicle);          setContentView(R.layout.main);                    /* Make the button do the menu-popup. */          this.findViewById(R.id.cmd_simulate_key).setOnClickListener(                    new OnClickListener() {                         @Override                         public void onClick(View arg0) {                              /* Start the key-simulation in a thread                               * so we do not block the GUI. */                              new Thread(new Runnable() {                                   public void run() {                                        /* Simulate a KeyStroke to the menu-button. */                                        simulateKeystroke(KeyEvent.KEYCODE_SOFT_LEFT);                                   }                              }).start(); /* And start the Thread. */                         }                    });     }          /** Create a dummy-menu. */     @Override     public boolean onCreateOptionsMenu(Menu menu) {          boolean supRetVal = super.onCreateOptionsMenu(menu);          menu.add(0, 0, "Awesome it works =)");          return supRetVal;     }     /** Wrapper-function taking a KeyCode.      * A complete KeyStroke is DOWN and UP Action on a key! */     private void simulateKeystroke(int KeyCode) {          doInjectKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyCode));          doInjectKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyCode));     }     /** This function actually handles the KeyStroke-Injection. */     private void doInjectKeyEvent(KeyEvent kEvent) {          try {               /* Inject the KeyEvent to the Window-Manager. */               windowManager.injectKeyEvent(kEvent.isDown(), kEvent.getKeyCode(),                         kEvent.getRepeatCount(), kEvent.getDownTime(), kEvent                                   .getEventTime(), true);          } catch (DeadObjectException e) {               e.printStackTrace();          }     }}

XML:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    androidrientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<Button id="@+id/cmd_simulate_key"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="Simulate Menu Key Press"
    />
</LinearLayout>

给个链接：http://blog.csdn.net/xudongdong99/article/details/8857173