Library refactoring.

This commit is contained in:
2021-05-02 15:05:21 -07:00
parent d100624c32
commit f6cb9e392c
3 changed files with 91 additions and 83 deletions

View File

@@ -1,7 +1,6 @@
package com.majinnaibu.monstercards;
import android.app.Application;
import android.content.Context;
import android.content.res.Configuration;
import androidx.annotation.NonNull;
@@ -14,17 +13,12 @@ import com.majinnaibu.monstercards.init.FlipperInitializer;
public class MonsterCardsApplication extends Application {
private AppDatabase m_db;
private MonsterRepository m_monsterLibraryRepository;
public MonsterRepository getMonsterRepository() {
return m_monsterLibraryRepository;
}
public static MonsterCardsApplication getInstance(Context context) {
return (MonsterCardsApplication) context.getApplicationContext();
}
public MonsterCardsApplication() {
}
@@ -38,9 +32,11 @@ public class MonsterCardsApplication extends Application {
FlipperInitializer.init(this);
m_db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "monsters")
// .fallbackToDestructiveMigration()
AppDatabase m_db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "monsters")
.addMigrations(MIGRATION_1_2)
.fallbackToDestructiveMigrationOnDowngrade()
// .fallbackToDestructiveMigration()
.build();
m_monsterLibraryRepository = new MonsterRepository(m_db);
}

View File

@@ -18,13 +18,13 @@ import com.majinnaibu.monstercards.R;
import com.majinnaibu.monstercards.data.MonsterRepository;
import com.majinnaibu.monstercards.models.Monster;
import com.majinnaibu.monstercards.ui.MCFragment;
import com.majinnaibu.monstercards.ui.MonsterListRecyclerViewAdapter;
import com.majinnaibu.monstercards.ui.shared.SwipeToDeleteCallback;
import com.majinnaibu.monstercards.utils.Logger;
import java.util.UUID;
import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
import io.reactivex.rxjava3.observers.DisposableCompletableObserver;
import io.reactivex.rxjava3.schedulers.Schedulers;
public class LibraryFragment extends MCFragment {
@@ -46,25 +46,28 @@ public class LibraryFragment extends MCFragment {
private void setupRecyclerView(@NonNull RecyclerView recyclerView) {
MonsterRepository repository = this.getMonsterRepository();
boolean mTwoPane = false;
MonsterListRecyclerViewAdapter adapter = new MonsterListRecyclerViewAdapter(
this,
getContext(),
repository.getMonsters(),
(monster) -> {
repository
(monster) -> navigateToMonsterDetail(monster.id),
(monster) -> repository
.deleteMonster(monster)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(() -> {
.subscribe(new DisposableCompletableObserver() {
@Override
public void onComplete() {
Logger.logDebug("deleted");
}, Logger::logError);
},
mTwoPane);
}
@Override
public void onError(@io.reactivex.rxjava3.annotations.NonNull Throwable e) {
Logger.logError(e);
}
}));
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
ItemTouchHelper itemTouchHelper = new ItemTouchHelper(new SwipeToDeleteCallback(getContext(), (position) -> {
adapter.deleteItem(position);
}));
ItemTouchHelper itemTouchHelper = new ItemTouchHelper(new SwipeToDeleteCallback(requireContext(), adapter::deleteItem));
itemTouchHelper.attachToRecyclerView(recyclerView);
}
@@ -76,26 +79,36 @@ public class LibraryFragment extends MCFragment {
repository.addMonster(monster)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(() -> {
.subscribe(
new DisposableCompletableObserver() {
@Override
public void onComplete() {
View view = getView();
assert view != null;
Snackbar.make(
getView(),
view,
String.format("%s created", monster.name),
Snackbar.LENGTH_LONG)
.setAction("Action", (_view) -> {
navigateToMonsterDetail(monster.id);
})
.setAction("Action", (_view) -> navigateToMonsterDetail(monster.id))
.show();
}, throwable -> {
Logger.logError("Error creating monster", throwable);
Snackbar.make(getView(), "Failed to create monster", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
});
});
}
@Override
public void onError(@io.reactivex.rxjava3.annotations.NonNull Throwable e) {
Logger.logError("Error creating monster", e);
View view = getView();
assert view != null;
Snackbar.make(view, "Failed to create monster", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
});
}
protected void navigateToMonsterDetail(UUID monsterId) {
NavDirections action = LibraryFragmentDirections.actionNavigationLibraryToNavigationMonster(monsterId.toString());
Navigation.findNavController(getView()).navigate(action);
View view = getView();
assert view != null;
Navigation.findNavController(view).navigate(action);
}
}

View File

@@ -1,4 +1,4 @@
package com.majinnaibu.monstercards.ui;
package com.majinnaibu.monstercards.ui.library;
import android.content.Context;
import android.view.LayoutInflater;
@@ -6,87 +6,67 @@ import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.navigation.NavDirections;
import androidx.navigation.Navigation;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import com.majinnaibu.monstercards.R;
import com.majinnaibu.monstercards.models.Monster;
import com.majinnaibu.monstercards.ui.library.LibraryFragment;
import com.majinnaibu.monstercards.ui.library.LibraryFragmentDirections;
import java.util.ArrayList;
import java.util.List;
import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
import io.reactivex.rxjava3.core.Flowable;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.schedulers.Schedulers;
public class MonsterListRecyclerViewAdapter extends RecyclerView.Adapter<MonsterListRecyclerViewAdapter.ViewHolder> {
public interface ItemCallback {
void onItem(Monster monster);
void onItemCallback(Monster monster);
}
// TODO: Replace SimpleItemRecyclerViewAdapter with something better like MonsterListRecyclerViewAdapter that can be reused in search
private final LibraryFragment mParentActivity;
private List<Monster> mValues;
private final boolean mTwoPane;
private final Context mContext;
private final ItemCallback mOnDelete;
private final ItemCallback mOnClick;
private Disposable mDisposable;
private final Flowable<List<Monster>> mItemsObservable;
private final View.OnClickListener mOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
Monster monster = (Monster) view.getTag();
// TODO: I would like to call navigateToMonsterDetail(item.id) here
if (mTwoPane) {
// TODO: Figure out how to navigate to a MonsterDetailFragment when in two pane view.
// Bundle arguments = new Bundle();
// arguments.putString(ItemDetailFragment.ARG_ITEM_ID, monster.id.toString());
// ItemDetailFragment fragment = new ItemDetailFragment();
// fragment.setArguments(arguments);
// mParentActivity.getSupportFragmentManager().beginTransaction()
// .replace(R.id.item_detail_container, fragment)
// .commit();
} else {
NavDirections action = LibraryFragmentDirections.actionNavigationLibraryToNavigationMonster(monster.id.toString());
Navigation.findNavController(view).navigate(action);
if (mOnClick != null) {
mOnClick.onItemCallback(monster);
}
}
};
public MonsterListRecyclerViewAdapter(LibraryFragment parent,
public MonsterListRecyclerViewAdapter(Context context,
Flowable<List<Monster>> itemsObservable,
ItemCallback onDelete,
boolean twoPane) {
ItemCallback onClick,
ItemCallback onDelete) {
mItemsObservable = itemsObservable;
mValues = new ArrayList<>();
mParentActivity = parent;
mTwoPane = twoPane;
mContext = parent.getContext();
mContext = context;
mOnDelete = onDelete;
itemsObservable
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(monsters -> {
mValues = monsters;
notifyDataSetChanged();
});
mOnClick = onClick;
mDisposable = null;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
@NonNull
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.monster_list_content, parent, false);
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(final ViewHolder holder, int position) {
holder.mIdView.setText(mValues.get(position).id.toString().substring(0, 6));
holder.mContentView.setText(mValues.get(position).name);
holder.itemView.setTag(mValues.get(position));
public void onBindViewHolder(final @NonNull ViewHolder holder, int position) {
Monster monster = mValues.get(position);
holder.mIdView.setText(monster.id.toString().substring(0, 6));
holder.mContentView.setText(monster.name);
holder.itemView.setTag(monster);
holder.itemView.setOnClickListener(mOnClickListener);
}
@@ -99,7 +79,7 @@ public class MonsterListRecyclerViewAdapter extends RecyclerView.Adapter<Monster
return mContext;
}
class ViewHolder extends RecyclerView.ViewHolder {
static class ViewHolder extends RecyclerView.ViewHolder {
final TextView mIdView;
final TextView mContentView;
@@ -110,10 +90,29 @@ public class MonsterListRecyclerViewAdapter extends RecyclerView.Adapter<Monster
}
}
@Override
public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
super.onAttachedToRecyclerView(recyclerView);
// TODO: consider moving this subscription out of the adapter and make the subscriber call setItems on the adapter
mDisposable = mItemsObservable
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(monsters -> {
mValues = monsters;
notifyDataSetChanged();
});
}
@Override
public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
super.onDetachedFromRecyclerView(recyclerView);
mDisposable.dispose();
}
public void deleteItem(int position) {
if (mOnDelete != null) {
Monster monster = mValues.get(position);
mOnDelete.onItem(monster);
mOnDelete.onItemCallback(monster);
}
}
}