+ // Filter the colors if `darkTheme` is `true`.
+ if (MainWebViewActivity.darkTheme) {
+ // Initialize `darkPaint`.
+ Paint darkPaint = new Paint();
+
+ // Setup a float array that inverts and tempers the colors (no hard whites or blacks).
+ float[] darkFilterFloatArray = {
+ -.8f, 0, 0, 0, 255, // Red.
+ 0, -.8f, 0, 0, 255, // Green.
+ 0, 0, -.8f, 0, 255, // Blue.
+ 0, 0, 0, .8f, 0 // Alpha.
+ };
+
+ // Set `darkPaint` to use `darkFilterFloatArray`.
+ darkPaint.setColorFilter(new ColorMatrixColorFilter(darkFilterFloatArray));
+
+ // Apply `darkPaint` to `tabWebView`.
+ tabWebView.setLayerType(View.LAYER_TYPE_HARDWARE, darkPaint);
+ } else {
+ // Reset `tabWebView` to use the normal colors.
+ tabWebView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+ }
+