GitHub: https://github.com/TheKhaeng/nongbeer-mvp-android-demo

1. Requirements

5. MVP

6. View Controller
Model
Android framework
Activity
Fragment
…
How can I test easy ?
MVC(basic)
Manager

7. MVP
Manager
(Android component)
View Model
(business logic)
(POJO) (POJO)
Presenter
(middle man between view
and model)
Easy to test

8. MainActivity BeerProductItem
ServiceManager
MVP
MainActivityPresenter

9. MVP
PresenterInterface
MainActivity BeerProductItem
ServiceManager
MainActivityPresenter
ViewInterface

10. Base class

11. BaseMvpInterface.Presenter
BaseMvpActivity BaseMvpPresenter
BaseMvpInterface.View
Presenter getPresenter( );
V getView( );
void attachView( mvpView );
void detachView( );
void onViewCreate( );
void onViewDestroy( );
void onViewStart( );
void onViewStop( );

12. One Single responsibility
Presenter createPresenter( );
Int getLayoutView( );
void bindView( mvpView );
void setupInstance( );
void setupView( );
void initialize( );
void restoreView( savedInstanceState );
void onCreate( … );
void onRestoreInstanceState( … );
BaseMvpActivity
BaseMvpInterface.View

13. One Single responsibility
Presenter createPresenter( );
Void onRestoreInstanceState( … );
void onCreate( … );
void onCreateView( … );
void onViewCreated( … );
Int getLayoutView( );
void bindView( mvpView );
void setupInstance( );
void setupView( );
void initialize( );
void restoreView( savedInstanceState );
BaseMvpFragment
BaseMvpInterface.View

14. Template

15. BaseMvpInterface.Presenter
BaseMvpActivity BaseMvpPresenter
BaseMvpInterface.View
CustomActivity
<extend>
CustomPresenter
<extend>
CustomInterface.View
<extend>
CustomInterface.Presenter
<extend>

16. Adapter

17. BaseMvpInterfaceAdapter.Presenter
BaseMvpAdapter BaseMvpAdapterPresenter
BaseMvpAdapterInterface.View
Presenter getPresenter();
void notifyDataSetChanged();
void notifyItemInserted( int index );
void notifyItemRemoved( int index );

18. BaseMvpInterfaceAdapter.Presenter
BaseMvpAdapter BaseMvpAdapterPresenter
BaseMvpAdapterInterface.View
void setAdapter( A adapter );
A getAdapter();
int getItemViewType( int pos );
int getItemCount();
boolean hasItems();
List<BaseItem> getItems();
BaseItem getItem( int pos );
void setItems( List<BaseItem> items,
boolean isNextAvailable );
void addItem( BaseItem item );
void removeItem( int index );
void removeAllItems();

19. BaseMvpAdapterPresenter
@Override
public void addItem( BaseItem item ){
getPrivateItems( ).add( item );
getAdapter( ).notifyItemInserted( getItemCount() - 1 );
}
Example

20. public abstract class BaseViewHolder extends RecyclerView.ViewHolder{
public BaseViewHolder( ViewGroup parent, int layout ){
super( LayoutInflater
.from( parent.getContext() )
.inflate( layout, parent, false ) );
bindView( itemView );
}
public abstract void bindView( View view );
public Context getContext(){
return itemView.getContext();
}
}
BaseViewHolder

21. Example
public BeerProductHolder( ViewGroup viewGroup ){
super( viewGroup, R.layout.holder_beer_product );
}
@Override
public void bindView( View view ){
…
}
BeerProductHolder

22. public class BaseItem {
protected int type;
public BaseItem( int type ){
this.type = type;
}
public int getType(){
return type;
}
}
BaseItem

23. @Override
public int getItemCount(){
return getPresenter().getItemCount();
}
@Override
public int getItemViewType( int position ){
return getPresenter().getItemViewType( position );
}
@Override
public BaseViewHolder onCreateViewHolder( ViewGroup viewGroup, int viewType ){
switch( viewType ){
case TYPE_BEER_PRODUCT:
return new BeerProductHolder( viewGroup );
}
return null;
}
BeerAdapter
BaseItem
BeerProductItem
<extend>
Example
TYPE_BEER_PRODUCT

24. Load more
public interface OnLoadMoreListener{
void onLoadMore();
}
@Override
public VH onCreateViewHolder( ViewGroup parent, int viewType ){
if( viewType == BaseItemType.TYPE_PROGRESS ){
return (VH) new ProgressHolder( parent );
}
throw new RuntimeException( "View type not found: " + viewType );
}
@Override
public void onBindViewHolder( VH holder, int position ){
if( getItemViewType( position ) == BaseItemType.TYPE_PROGRESS ){
if( loadMoreListener != null ){
loadMoreListener.onLoadMore();
}
}
}

25. Load more
@Override
public void onBindViewHolder(
BaseViewHolder viewHolder, final int position ){
super.onBindViewHolder( viewHolder, position );
…
}
@Override
public BaseViewHolder onCreateViewHolder(
ViewGroup viewGroup, int viewType ){
…
return super.onCreateViewHolder( viewGroup, viewType );
}
Example

26. Template

27. BaseMvpAdapterInterface.Presenter
BaseMvpAdapter BaseMvpAdapterPresenter
BaseMvpAdapterInterface.View
CustomAdapter
<extend>
CustomAdapterPresenter
<extend>
CustomAdapterInterface.View
<extend>
CustomAdapterInterface.Presenter
<extend>

28. Converter

29. Normally
Raw
DataNetwork
If you want to custom?
Adapter

30. Converter
Network Adapter
Raw
Data Converter Adapter
Data
Response Body Adapter item
Easy to maintain

31. String id;
String name;
int price;
String id;
String name;
int price;
int amount = 1;
boolean isAdded = false;
Converter
Network Adapter
Raw
Data Converter Adapter
Data
BeerResult BeerItem
Easy to maintain

32. RxBus

33. MainActivity BeerFragment
ClearAddedButtonStateEvent
ClearAddedButtonStateAllEvent
AddBeerToCartEvent
RemoveBeerFromCartEvent

34. Test

35. Phase 1 Phase 2 Phase 3
Test must
done
Test must
done
MVP MVP

36. PresenterInterface
MainActivity BeerProductItem
ServiceManager
MainActivityPresenter
ViewInterface
Unit test
Activity/Fragment

37. PresenterInterface
MainActivity BeerProductItem
ServiceManager
MainActivityPresenter
CUT
MOCK
Unit test
MOCK
MOCK
Activity/Fragment
ViewInterface

38. PresenterInterface
BeerAdapter BeerAdapterPresenter
AdapterInterface
Unit test
Adapter

39. PresenterInterface
BeerAdapter
Unit test
Adapter
MOCK
CUT
AdapterInterface
BeerAdapterPresenter

40. PresenterInterface
MainActivity BeerProductItem
ServiceManager
MainActivityPresenter
CUT
ViewInterface
MOCK
Integration test
MOCK
MOCK
Activity/Fragment

41. PresenterInterface
MainActivity BeerProductItem
ServiceManager
MainActivityPresenter
CUT
ViewInterface
MOCK
Integration test
MOCK
CUT
Activity/Fragment