ParticleCore

public class RoundedDrawable extends Drawable {
    private static final boolean USE_VIGNETTE = true;
    private RectF mRect = new RectF();
    private final Paint paint;
    private final int mRadius;
    private final BitmapShader bitmapShader;

    public RoundedDrawable(Bitmap bitmap, int radius) {
        bitmapShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
        paint = new Paint();

ParticleCore

public class DelegatingLayout extends FrameLayout {

    private boolean mIsDelegating;
    private ViewGroup mDelegateView;
    private int[] mOriginalOffset = new int[2];

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {

        // Clear delegating flag on touch start/end

ParticleCore

# Hello, and welcome to makefile basics.
#
# You will learn why `make` is so great, and why, despite its "weird" syntax,
# it is actually a highly expressive, efficient, and powerful way to build
# programs.
#
# Once you're done here, go to
# http://www.gnu.org/software/make/manual/make.html
# to learn SOOOO much more.