android识别鼠标左键，右键操作

public class MouseEventActivity extends Activity {
private Button btn;

@Overridepublic void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.main);    btn = (Button) findViewById(R.id.btn_mouse);    btn.setOnGenericMotionListener(new OnGenericMotionListener() {        @Override        public boolean onGenericMotion(View v, MotionEvent event) {            // TODO Auto-generated method stub            int what = event.getButtonState();            switch (what) {            case MotionEvent.ACTION_DOWN:                System.out.println("悬浮状态");                break;              case MotionEvent.BUTTON_PRIMARY:                Toast.makeText(MouseEventActivity.this, "鼠标左键单击事件", 300).show();                break;              case MotionEvent.BUTTON_TERTIARY:                Toast.makeText(MouseEventActivity.this, "鼠标中键单击事件", 300).show();                break;                  case MotionEvent.BUTTON_SECONDARY:                Toast.makeText(MouseEventActivity.this, "鼠标右键单击事件", 300).show();                break;              }            return false;        }    });}

}

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