[Demonstration 1]

[Buggy Method]
@Override
public void onProgressChanged(final int progress, final int maxProgress, final boolean indeterminate) {
    notificationTools.updateProgress(progress, maxProgress, indeterminate);
}

[Buggy Hunk]
notificationTools.updateProgress(progress, maxProgress, indeterminate);

[Patch]
notificationTools.updateProgress(progress, maxProgress, indeterminate, executor.getQueue().size());

[Demonstration 2]

[Buggy Method]
private synchronized void doRefreshProgress(int id, int progress, boolean fromUser, boolean callBackToApp) {
    float scale = mMax > 0 ? (float) progress / (float) mMax : 0;
    final Drawable d = mCurrentDrawable.getCurrent();
    if (d != null) {
        Drawable progressDrawable = null;
        if (d instanceof LayerDrawable) {
            progressDrawable = ((LayerDrawable) d).findDrawableByLayerId(id);
            if (progressDrawable != null && canResolveLayoutDirection()) {
                progressDrawable.setLayoutDirection(getLayoutDirection());
            }
        }
        final int level = (int) (scale * MAX_LEVEL);
        (progressDrawable != null ? progressDrawable : d).setLevel(level);
    } else {
        invalidate();
    }
    if (callBackToApp && id == R.id.progress) {
        onProgressRefresh(scale, fromUser);
    }
}

[Buggy Hunk]
final Drawable d = mCurrentDrawable.getCurrent();

[Patch]
final Drawable d = mCurrentDrawable;

[Demonstration 3]

[Buggy Method]
public void draw(SpriteBatch batch) {
    spriteTime += Gdx.graphics.getDeltaTime();
    batch.draw(animation.getKeyFrame(spriteTime, true), x, y, width, height);
    move(Gdx.graphics.getDeltaTime());
}

[Buggy Hunk]
batch.draw(animation.getKeyFrame(spriteTime, true), x, y, width, height);

[Patch]
batch.draw(animation.getKeyFrame(spriteTime, true), x-(width/2), y-(height/2), width, height);