samuel22gj

public class MultiTypeRecyclerAdapter extends RecyclerView.Adapter<MultiTypeRecyclerAdapter.ViewHolder> {
    private static final String TAG = MultiTypeRecyclerAdapter.class.getSimpleName();

    @Retention(SOURCE)
    @IntDef({VIEW_TYPE_SUBTITLE, VIEW_TYPE_PROMOTION})
    public @interface VIEW_TYPE {}
    private static final int VIEW_TYPE_SUBTITLE  = 0;
    private static final int VIEW_TYPE_PROMOTION = 1;

    private List<Item> mList;

samuel22gj

public class RippleDrawableCompat {

    public static class Builder {
        int normalColor = Color.TRANSPARENT;
        int pressColor = Color.TRANSPARENT;
        int strokeColor = Color.TRANSPARENT;
        int strokeWidth = 0;
        float radius = 0.0f;

        public Builder() {

samuel22gj

public class ColorUtils {

    private static final float DEFAULT_LIGHTNESS_ADJUST_PERCENTAGE = 0.2f;
    
    public static boolean isFlagshipLight(@ColorInt int color) {
        return getBrightness(color) >= 204.0f;
//        return getLightness(color) > 0.5f;
//        return getContrast(color, Color.BLACK) > 4.5;
    }

samuel22gj

public class ECCollapsingToolbarLayout extends CollapsingToolbarLayout {

    private boolean mIsScrimShow;
    private OnScrimVisibilityChangedListener mOnScrimVisibilityChangedListener;

    private AppBarLayout.OnOffsetChangedListener mOnOffsetChangedListener;

    public ECCollapsingToolbarLayout(Context context) {
        super(context);
    }

samuel22gj

/**
 * A kind of FrameLayout which enable {@code fitsSystemWindows} and can only consume specific directions.
 */
public class FitsSystemWindowsFrameLayout extends FrameLayout {
    private static final String TAG = FitsSystemWindowsFrameLayout.class.getSimpleName();

    private static final int FLAG_CONSUME_SYSTEM_WINDOWS_LEFT = 0x0001;
    private static final int FLAG_CONSUME_SYSTEM_WINDOWS_TOP = 0x0002;
    private static final int FLAG_CONSUME_SYSTEM_WINDOWS_RIGHT = 0x0004;
    private static final int FLAG_CONSUME_SYSTEM_WINDOWS_BOTTOM = 0x0008;

samuel22gj

public abstract class TabViewPagerFragment extends ECFragment implements TabLayout.OnTabSelectedListener, ViewPager.OnPageChangeListener {
    private static final String TAG = ECTabViewPagerFragment.class.getSimpleName();

    private TabLayout mTabLayout;
    @TabLayout.Mode
    private int mTabLayoutMode = TabLayout.MODE_FIXED;
    private ViewPager mViewPager;
    private TabPageAdapter mPagerAdapter;

    /*

samuel22gj

/**
 * A kind of {@link android.support.v7.widget.RecyclerView.ItemDecoration} to draw gridlines with
 * specific color and size. It assumes every item at same column has the same width and don't draw border.
 */
public class GridlinesItemDecoration extends RecyclerView.ItemDecoration {
    private static final String TAG = GridlinesItemDecoration.class.getSimpleName();

    private int mDividerSize;
    private Paint mPaint;

samuel22gj

/**
 * A ViewPager support height is {@code WRAP_CONTENT}.
 */
public class WrapContentViewPager extends ViewPager {

    public WrapContentViewPager(Context context) {
        super(context, null);
    }

    public WrapContentViewPager(Context context, AttributeSet attrs) {

samuel22gj

/**
 * A target for display {@link GifDrawable} or {@link Drawable} objects in {@link ImageView}s.
 */
public class GifDrawableImageViewTarget extends ImageViewTarget<Drawable> {

    private int mLoopCount = GifDrawable.LOOP_FOREVER;

    public GifDrawableImageViewTarget(ImageView view, int loopCount) {
        super(view);
        mLoopCount = loopCount;

samuel22gj

public abstract class OnItemVisibleChangeListener extends RecyclerView.OnScrollListener {
    private static final String TAG = OnItemVisibleChangeListener.class.getSimpleName();

    private int mFirstVisibleItemPosition = RecyclerView.NO_POSITION;
    private int mFirstCompletelyVisibleItemPosition = RecyclerView.NO_POSITION;
    private int mLastVisibleItemPosition = RecyclerView.NO_POSITION;
    private int mLastCompletelyVisibleItemPosition = RecyclerView.NO_POSITION;

    @Override
    public void onScrolled(RecyclerView recyclerView, int dx, int dy) {