HighlightingImageView.java 文件源码

public void adjustNightMode() {
  if (isNightMode && !isColorFilterOn) {
    float[] matrix = {
        -1, 0, 0, 0, nightModeTextBrightness,
        0, -1, 0, 0, nightModeTextBrightness,
        0, 0, -1, 0, nightModeTextBrightness,
        0, 0, 0, 1, 0
    };
    setColorFilter(new ColorMatrixColorFilter(matrix));
    isColorFilterOn = true;
  } else if (!isNightMode) {
    clearColorFilter();
    isColorFilterOn = false;
  }

  invalidate();
}