android如何让鼠标按照绝对坐标移动
时间: 2023-10-18 15:28:26 浏览: 60
在Android中,可以使用InputManager和InputInjector API来实现鼠标按照绝对坐标移动。以下是一个简单的Java示例代码,可以模拟鼠标按照绝对坐标移动:
```java
import android.hardware.input.InputManager;
import android.hardware.input.InputManager.InputDeviceListener;
import android.os.Build;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.InputDevice;
import android.view.MotionEvent;
public class MouseInjector {
private static final String TAG = "MouseInjector";
private static final int MSG_MOVE_MOUSE = 1;
private static final int MOVE_DELAY = 10; // 延迟10ms移动鼠标
private InputManager mInputManager;
private Handler mHandler;
private int mMouseDeviceId;
private boolean mIsMouseTracking;
private int mMouseX;
private int mMouseY;
public MouseInjector() {
mInputManager = (InputManager) getSystemService(INPUT_SERVICE);
mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_MOVE_MOUSE:
moveMouse(mMouseX, mMouseY);
sendEmptyMessageDelayed(MSG_MOVE_MOUSE, MOVE_DELAY);
break;
default:
break;
}
}
};
}
public void startTrackingMouse() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
mInputManager.registerInputDeviceListener(mInputDeviceListener, mHandler);
}
}
public void stopTrackingMouse() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
mInputManager.unregisterInputDeviceListener(mInputDeviceListener);
}
mHandler.removeMessages(MSG_MOVE_MOUSE);
mIsMouseTracking = false;
}
private InputDeviceListener mInputDeviceListener = new InputDeviceListener() {
@Override
public void onInputDeviceAdded(int deviceId) {
InputDevice device = mInputManager.getInputDevice(deviceId);
if (device != null && device.getSources() == InputDevice.SOURCE_MOUSE) {
mMouseDeviceId = deviceId;
mIsMouseTracking = true;
mHandler.sendEmptyMessage(MSG_MOVE_MOUSE);
}
}
@Override
public void onInputDeviceRemoved(int deviceId) {
if (deviceId == mMouseDeviceId) {
mIsMouseTracking = false;
mHandler.removeMessages(MSG_MOVE_MOUSE);
}
}
@Override
public void onInputDeviceChanged(int deviceId) {
// Do nothing
}
};
private void moveMouse(int x, int y) {
long now = System.currentTimeMillis();
MotionEvent event = MotionEvent.obtain(
now, now, MotionEvent.ACTION_MOVE, x, y, 0);
event.setSource(InputDevice.SOURCE_MOUSE);
mInputManager.injectInputEvent(event, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
event.recycle();
}
public void setMousePosition(int x, int y) {
if (mIsMouseTracking) {
mMouseX = x;
mMouseY = y;
}
}
}
```
该示例代码中,使用InputManager的registerInputDeviceListener方法来监听鼠标设备的添加和移除事件,当鼠标设备添加时,会通过InputInjector API模拟鼠标按照绝对坐标移动。setMousePosition方法用于设置鼠标的绝对坐标。需要注意的是,该示例代码需要在Android 4.1及以上版本上运行。