Detailed explanation of the basic usage of Android Button and simple examples

  (new OnClickListener() {
      @Override
      public void onClick(View arg0) {
        ("================", "MenuBackBtnListen");
        ();
        ();
        ();
        ();
      }
    });

   (new () {
      InputStream is = null;
      @Override
      public boolean onTouch(View arg0, MotionEvent event) {
        if(() == MotionEvent.ACTION_DOWN){
          try {
            is = ("");
          } catch (IOException e) {
            ();
          }
        }else if(() == MotionEvent.ACTION_UP){
          try {
            is = ("");
          } catch (IOException e) {
            ();
          }
        }
        ((is, null));
        return false;
      }
    });

private AssetManager asm;
asm=getAssets();