Android基于hover组件实现监控鼠标移动事件的方法

publicclassHoverDemoActivityextendsActivity {

  privateButton btnBottom;

  @Override

  publicvoidonCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);

    btnBottom = (Button) findViewById(R.id.btn_bottom);

    btnBottom.setOnHoverListener(newOnHoverListener() {

      @Override

      publicbooleanonHover(View v, MotionEvent event) {

        intwhat = event.getAction();

        switch(what){

         caseMotionEvent.ACTION_HOVER_ENTER://鼠标进入view

           System.out.println("bottom ACTION_HOVER_ENTER");

           break;

         caseMotionEvent.ACTION_HOVER_MOVE://鼠标在view上

           System.out.println("bottom ACTION_HOVER_MOVE");

           break;

         caseMotionEvent.ACTION_HOVER_EXIT://鼠标离开view

           System.out.println("bottom ACTION_HOVER_EXIT");

           break;

        }

        returnfalse;

      }

    });

  }

}