ZieIony

data class ListItem(val title: String, val subtitle: String)

// viewholder
class ItemViewHolder : RecyclerView.ViewHolder {
    private val titleTv: TextView
    private val subtitleTv: TextView

    constructor(itemView: View) : super(itemView) {
        titleTv = itemView.findViewById(R.id.title)
        subtitleTv = itemView.findViewById(R.id.subtitle)

ZieIony

class TabsFragment : Fragment() {

    private val tabFragments: Array<KClass<out BaseFragment>>

    init {
        val mainNavPlugins = PluginManager.getPlugins().filter {
            it.getMainFragment() != null
        }.toTypedArray()

        tabFragments = arrayOf(

ZieIony

abstract class PluginProvider : ContentProvider() {

    abstract fun getPlugin(): Plugin

    override fun onCreate(): Boolean {
        PluginManager.registerPlugin(getPlugin())
        return true
    }

    // ... other provider methods

ZieIony

class ApiListPlugin : Plugin {
    override fun getMainFragment() = ApiListFragment::class
}

class ApiListPluginProvider : PluginProvider() {
    override fun getPlugin() = ApiListPlugin()
}

ZieIony

interface Plugin {
    fun getMainFragment(): KClass<BaseFragment>?
}

object PluginManager {
    private val plugins = mutableListOf<Plugin>()

    @Synchronized
    fun getPlugins() = plugins.toList()

ZieIony

public class FlowLayout extends FrameLayout {
    // ..
    @Override
    protected LayoutParams generateDefaultLayoutParams() {
        return new LayoutParams(super.generateDefaultLayoutParams());
    }
    @Override
    public LayoutParams generateLayoutParams(AttributeSet attrs) {
        return new LayoutParams(getContext(), attrs);
    }

ZieIony

public class FlowLayout extends FrameLayout {
    public static class LayoutParams extends FrameLayout.LayoutParams {
        private boolean fill = false;
        public LayoutParams(Context c, AttributeSet attrs) {
            super(c, attrs);
            TypedArray a = c.obtainStyledAttributes(attrs, R.styleable.FlowLayout_Layout);
            fill = a.getBoolean(R.styleable.FlowLayout_Layout_guide_layout_fill, false);
            a.recycle();
        }
    }

ZieIony

<declare-styleable name="FlowLayout">
    <attr name="android:gravity" />
</declare-styleable>

<declare-styleable name="FlowLayout_Layout">
    <attr name="guide_layout_fill" format="boolean" />
</declare-styleable>

ZieIony

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_margin="8dp"
    android:text="OK" />

ZieIony

public class ImageView extends android.widget.ImageView {
    public ImageView(Context context) {
        super(context, null, R.attr.carbon_imageViewStyle);
        initImageView(null, R.attr.carbon_imageViewStyle);
    }
    public ImageView(Context context, AttributeSet attrs) {
        super(context, attrs, R.attr.carbon_imageViewStyle);
        initImageView(attrs, R.attr.carbon_imageViewStyle);
    }
    private void initImageView(AttributeSet attrs, int defStyleAttr) {