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The search now loads results async.

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This commit is contained in:
Karim Abou Zeid 2016-03-21 00:51:14 +01:00
commit 9eb147625c
2 changed files with 103 additions and 51 deletions
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100
app/src/main/java/com/kabouzeid/gramophone/ui/activities/SearchActivity.java
View file

@ -1,7 +1,11 @@
package com.kabouzeid.gramophone.ui.activities;
import android.content.Context;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
@ -16,15 +20,24 @@ import android.widget.TextView;
import com.kabouzeid.appthemehelper.ThemeStore;
import com.kabouzeid.gramophone.R;
import com.kabouzeid.gramophone.adapter.SearchAdapter;
import com.kabouzeid.gramophone.loader.AlbumLoader;
import com.kabouzeid.gramophone.loader.ArtistLoader;
import com.kabouzeid.gramophone.loader.SongLoader;
import com.kabouzeid.gramophone.misc.WrappedAsyncTaskLoader;
import com.kabouzeid.gramophone.ui.activities.base.AbsMusicServiceActivity;
import com.kabouzeid.gramophone.util.Util;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import butterknife.Bind;
import butterknife.ButterKnife;
public class SearchActivity extends AbsMusicServiceActivity implements SearchView.OnQueryTextListener {
public class SearchActivity extends AbsMusicServiceActivity implements SearchView.OnQueryTextListener, LoaderManager.LoaderCallbacks<List<Object>> {
public static final String TAG = SearchActivity.class.getSimpleName();
private static final int LOADER_ID = 1;
@Bind(R.id.recycler_view)
RecyclerView recyclerView;
@Bind(R.id.toolbar)
@ -34,9 +47,7 @@ public class SearchActivity extends AbsMusicServiceActivity implements SearchVie
SearchView searchView;
private SearchAdapter searchAdapter;
private String lastQuery = "";
private SearchAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
@ -50,8 +61,15 @@ public class SearchActivity extends AbsMusicServiceActivity implements SearchVie
setTaskDescriptionColorAuto();
recyclerView.setLayoutManager(new LinearLayoutManager(this));
searchAdapter = new SearchAdapter(this);
recyclerView.setAdapter(searchAdapter);
adapter = new SearchAdapter(this, Collections.emptyList());
adapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
@Override
public void onChanged() {
super.onChanged();
empty.setVisibility(adapter.getItemCount() < 1 ? View.VISIBLE : View.GONE);
}
});
recyclerView.setAdapter(adapter);
recyclerView.setOnTouchListener(new View.OnTouchListener() {
@Override
@ -62,6 +80,8 @@ public class SearchActivity extends AbsMusicServiceActivity implements SearchVie
});
setUpToolBar();
getSupportLoaderManager().initLoader(LOADER_ID, null, this);
}
private void setUpToolBar() {
@ -106,17 +126,18 @@ public class SearchActivity extends AbsMusicServiceActivity implements SearchVie
}
private void search(@NonNull String query) {
lastQuery = query;
if (searchAdapter != null) {
searchAdapter.search(query);
empty.setVisibility(searchAdapter.getItemCount() < 1 ? View.VISIBLE : View.GONE);
}
Loader loader = getSupportLoaderManager().getLoader(LOADER_ID);
AsyncSearchResultLoader asyncSearchResultLoader = (AsyncSearchResultLoader) loader;
asyncSearchResultLoader.setQuery(query);
asyncSearchResultLoader.forceLoad();
}
@Override
public void onMediaStoreChanged() {
super.onMediaStoreChanged();
search(lastQuery);
Loader loader = getSupportLoaderManager().getLoader(LOADER_ID);
AsyncSearchResultLoader asyncSearchResultLoader = (AsyncSearchResultLoader) loader;
asyncSearchResultLoader.forceLoad();
}
@Override
@ -137,4 +158,57 @@ public class SearchActivity extends AbsMusicServiceActivity implements SearchVie
searchView.clearFocus();
}
}
@Override
public Loader<List<Object>> onCreateLoader(int id, Bundle args) {
return new AsyncSearchResultLoader(this);
}
@Override
public void onLoadFinished(Loader<List<Object>> loader, List<Object> data) {
adapter.swapDataSet(data);
}
@Override
public void onLoaderReset(Loader<List<Object>> loader) {
adapter.swapDataSet(Collections.emptyList());
}
private static class AsyncSearchResultLoader extends WrappedAsyncTaskLoader<List<Object>> {
private String query;
public AsyncSearchResultLoader(Context context) {
super(context);
setUpdateThrottle(200);
}
public void setQuery(@Nullable String query) {
this.query = query;
}
@Override
public List<Object> loadInBackground() {
List<Object> results = new ArrayList<>();
if (query != null && !query.trim().equals("")) {
List songs = SongLoader.getSongs(getContext(), query);
if (!songs.isEmpty()) {
results.add(getContext().getResources().getString(R.string.songs));
results.addAll(songs);
}
List artists = ArtistLoader.getArtists(getContext(), query);
if (!artists.isEmpty()) {
results.add(getContext().getResources().getString(R.string.artists));
results.addAll(artists);
}
List albums = AlbumLoader.getAlbums(getContext(), query);
if (!albums.isEmpty()) {
results.add(getContext().getResources().getString(R.string.albums));
results.addAll(albums);
}
}
return results;
}
}
}