public CircleImageView(Context context, int color) {
super(context);
final float density = getContext().getResources().getDisplayMetrics().density;
final int shadowYOffset = (int) (density * Y_OFFSET);
final int shadowXOffset = (int) (density * X_OFFSET);
mShadowRadius = (int) (density * SHADOW_RADIUS);
ShapeDrawable circle;
if (elevationSupported()) {
circle = new ShapeDrawable(new OvalShape());
ViewCompat.setElevation(this, SHADOW_ELEVATION * density);
} else {
OvalShape oval = new OvalShadow(mShadowRadius);
circle = new ShapeDrawable(oval);
setLayerType(View.LAYER_TYPE_SOFTWARE, circle.getPaint());
circle.getPaint().setShadowLayer(mShadowRadius, shadowXOffset, shadowYOffset,
KEY_SHADOW_COLOR);
final int padding = mShadowRadius;
// set padding so the inner image sits correctly within the shadow.
setPadding(padding, padding, padding, padding);
}
circle.getPaint().setColor(color);
ViewCompat.setBackground(this, circle);
}
private boolean elevationSupported() {
return android.os.Build.VERSION.SDK_INT >= 21;
}
