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Ich experimentierte mit dem RecyclerView, der Bilder basierend auf einer Abfrage vom Benutzer lädt. Hier ist das Ergebnis bin ich Nachgeben:RecyclerView Load Square Bilder
Ich hoffe, meine Bilder in diesem Format zu laden, Scrollen vertikal:
Hier ist mein Code
NewImageActivity
public class NewImageActivity extends AppCompatActivity {
private SearchView mSearchView;
private RecyclerView mImageResults;
private RecyclerView.Adapter mImageResultsAdapter;
private ArrayList<Photo> mPhotoArray;
private ArrayList<String> mPhotoURLS;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_new_image);
if(getSupportActionBar() != null){
getSupportActionBar().setDisplayHomeAsUpEnabled(false);
}
mImageResults = (RecyclerView) findViewById(R.id.flickr_image_results_view);
LinearLayoutManager llm = new LinearLayoutManager(getApplicationContext());
llm.setOrientation(LinearLayoutManager.VERTICAL);
mImageResults.setLayoutManager(llm);
mImageResults.setItemAnimator(new DefaultItemAnimator());
mImageResultsAdapter = new MyAdapter(mPhotoURLS);
mImageResults.setAdapter(mImageResultsAdapter);
mPhotoURLS = new ArrayList<>();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_search, menu);
// Retrieve the SearchView and plug it into SearchManager
MenuItem searchItem = menu.findItem(R.id.search);
final SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
searchItem.expandActionView();
MenuItemCompat.setOnActionExpandListener(searchItem, new MenuItemCompat.OnActionExpandListener() {
@Override
public boolean onMenuItemActionExpand(MenuItem item) {
Toast.makeText(getApplicationContext(), "Open", Toast.LENGTH_LONG).show();
return true;
}
@Override
public boolean onMenuItemActionCollapse(MenuItem item) {
Toast.makeText(getApplicationContext(), "Back_Press", Toast.LENGTH_LONG).show();
finish();
return true;
}
});
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
Toast.makeText(getApplicationContext(), query, Toast.LENGTH_LONG).show();
HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
OkHttpClient client = new OkHttpClient.Builder().addInterceptor(interceptor).build();
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("https://api.flickr.com/services/rest/")
.client(client)
.addConverterFactory(GsonConverterFactory.create())
.build();
ApiInterface apiInterface = retrofit.create(ApiInterface.class);
Call<Flicker> call = apiInterface.getImages(query);
call.enqueue(new Callback<Flicker>() {
@Override
public void onResponse(Call<Flicker> call, Response<Flicker> response) {
Log.v("RESPONSE_CALLED", "ON_RESPONSE_CALLED");
String didItWork = String.valueOf(response.isSuccessful());
Log.v("SUCCESS?", didItWork);
Log.v("RESPONSE_CODE", String.valueOf(response.code()));
Flicker testResponse = response.body();
Log.v("RESPONSE_BODY", "response:" + testResponse);
String total = response.body().getPhotos().getTotal().toString();
Log.v("Total", total);
List<Photo> photoResults = response.body().getPhotos().getPhoto();
int numberOfPages = response.body().getPhotos().getPages();
for (int i = 0; i < numberOfPages; i++) {
for (Photo photo : photoResults) {
if (photo.getUrl_m() != null) {
String photoURL = photo.getUrl_m();
Log.v("PHOTO_URL:", photoURL);
mPhotoURLS.add(photoURL);
mImageResultsAdapter.notifyDataSetChanged();
}
}
}
}
@Override
public void onFailure(Call<Flicker> call, Throwable t) {
}
});
return true;
}
@Override
public boolean onQueryTextChange(String newText) {
return false;
}
});
return true;
}
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
// Provide a reference to the views for each data item
// Complex data items may need more than one view per item, and
// you provide access to all the views for a data item in a view holder
public class ViewHolder extends RecyclerView.ViewHolder {
// each data item is just a string in this case
protected ImageView mResultImage;
public ViewHolder(View v) {
super(v);
mResultImage = (ImageView) v.findViewById(R.id.flickr_individual_image);
}
}
// Provide a suitable constructor (depends on the kind of dataset)
public MyAdapter(ArrayList<String> mDataSet) {
mPhotoURLS = mDataSet;
}
// Create new views (invoked by the layout manager)
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent,
int viewType) {
// create a new view
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.grid_item, parent, false);
// set the view's size, margins, paddings and layout parameters
return new ViewHolder(v);
}
// Replace the contents of a view (invoked by the layout manager)
//The OutOfBoundsException is pointing here
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
Log.v("ON_BIND", "ON_BINDVIEWHOLDER CALLED");
String urlForPhoto = mPhotoURLS.get(position);
Picasso.with(getApplicationContext()).load(urlForPhoto).into(holder.mResultImage);
}
// Return the size of your dataset (invoked by the layout manager)
@Override
public int getItemCount() {
return mPhotoURLS.size();
}
}
public interface ApiInterface {
@GET("?method=flickr.photos.search&api_key=1c448390199c03a6f2d436c40defd90e&format=json&nojsoncallback=1&extras=url_m")
Call<Flicker> getImages(@Query("text") String query);
}
}
XML
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:context="com.troychuinard.fanpolls.NewImageActivity">
<android.support.v7.widget.RecyclerView
android:id="@+id/flickr_image_results_view"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:scrollbars="vertical">
</android.support.v7.widget.RecyclerView>
Einzel RecyclerView Foto/Item
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:background="@color/colorPrimaryDark"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/flickr_individual_image"
android:layout_width="400dp"
android:layout_height="400dp" />
</LinearLayout>