@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private static void setEdgeGlowColor(@NonNull EdgeEffectCompat edgeEffect, @ColorInt int color)
throws Exception {
Field field = EdgeEffectCompat.class.getDeclaredField("mEdgeEffect");
field.setAccessible(true);
EdgeEffect effect = (EdgeEffect) field.get(edgeEffect);
if (effect != null) effect.setColor(color);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static void setEdgeGlowColor(@NonNull ScrollView scrollView, @ColorInt int color) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
try {
Field edgeGlowTop = ScrollView.class.getDeclaredField("mEdgeGlowTop");
edgeGlowTop.setAccessible(true);
Field edgeGlowBottom = ScrollView.class.getDeclaredField("mEdgeGlowBottom");
edgeGlowBottom.setAccessible(true);
EdgeEffect ee = (EdgeEffect) edgeGlowTop.get(scrollView);
ee.setColor(color);
ee = (EdgeEffect) edgeGlowBottom.get(scrollView);
ee.setColor(color);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
@TargetApi(21)
private static void trySetEdgeEffectColor(ListView view, String fieldName, int color) {
try {
Field effectField = AbsListView.class.getDeclaredField(fieldName);
effectField.setAccessible(true);
EdgeEffect effect = (EdgeEffect) effectField.get(view);
final int alpha = Color.alpha(effect.getColor());
effect.setColor(Color.argb(alpha, Color.red(color), Color.green(color), Color.blue(color)));
} catch (NoSuchFieldException e) {
// ignored
} catch (IllegalAccessException e) {
// ignored
}
}
