[android]_[ImageView点击变暗]

来源：互联网发布：淘宝网智能手机编辑：程序博客网时间：2024/05/26 02:54
ImageView设置选中变暗效果。
public final float[] BT_SELECTED = new float[] {1,0,0,0,99,0,1,0,0,99,0,0,1,0,99,0,0,0,1,0};     public final float[] BT_NOT_SELECTED = new float[]  {1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0};;     public final static float[] BT_SELECTED1 = new float[] {                     0.338f, 0.339f, 0.332f, 0, 0,                   0.338f, 0.339f, 0.332f, 0, 0,              0.338f, 0.339f, 0.332f, 0, 0,              0, 0, 0, 1, 0          };  @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                ImageView  ib2;        ib1 = (ImageView) findViewById(R.id.imageViewt);        ib2 = (ImageView) findViewById(R.id.imageView2);          ib1.setOnTouchListener(new  ImageView.OnTouchListener()        {            @Override            public boolean onTouch(View v, MotionEvent event) {                if (event.getAction() == MotionEvent.ACTION_DOWN) {                                    ib1.setImageResource(R.drawable.icon1);                    ib1.getDrawable().setColorFilter(                                new ColorMatrixColorFilter(BT_SELECTED));                                ib1.setImageDrawable(ib1.getDrawable());                } else if (event.getAction() == MotionEvent.ACTION_UP) {                    ib1.getDrawable().clearColorFilter();                                    ib1.getDrawable().setColorFilter(new ColorMatrixColorFilter(BT_NOT_SELECTED));                    ib1.setImageResource(R.drawable.icon2);                }                return false;            }        });                   }
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