Android--動態改變ImageView的亮度，android--imageview

Android--動態改變ImageView的亮度，android--imageview

//改變圖片的亮度方法 0--原樣  >0---調亮  <0---調暗    private void changeLight(ImageView imageView, int brightness) {        ColorMatrix cMatrix = new ColorMatrix();        cMatrix.set(new float[] { 1, 0, 0, 0, brightness, 0, 1, 0, 0,                brightness,// 改變亮度                0, 0, 1, 0, brightness, 0, 0, 0, 1, 0 });        imageView.setColorFilter(new ColorMatrixColorFilter(cMatrix));    }