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Wie bekomme ich bestimmte Daten, wenn ich in der Listenansicht mit der Volley-Bibliothek auf ein bestimmtes Objekt geklickt habe?Wie bekomme ich bestimmte Daten, wenn ich in der Listenansicht mit der Volley-Bibliothek auf ein bestimmtes Objekt geklickt habe
Ich benutze Volley-Bibliothek, um eine Listenansicht mit Bild und Texten zu erhalten. Bild und Text
Ich möchte auf bestimmte Elemente der Listenansicht klicken. Damit sollte es mit mehr Details auf anderem Bildschirm öffnen. Für ein Beispiel: Wenn ich den ersten Eintrag in der Listenansicht "Hotel Ramashray" angeklickt habe, sollte es mit weiteren Details in einem anderen Aktivitätsnamen, timing cost, image_url usw. geöffnet werden. Wenn ich den zweiten Eintrag "Mirchi and mine" anklicke, sollte es erscheinen mit mehr Details wie Name, timing Kosten, image_url etc.
Wie kann ich das gleiche tun? Bitte hilf mir .
siehe im Bild Ich bekomme Listenansicht wie dieses Bild Jetzt möchte ich auf bestimmte Element klicken, es sollte neue Aktivität mit mehr Details geöffnet werden.
Adapter-> Custom Adapter.java
public class CustomListAdapter extends BaseAdapter {
private Activity activity;
private LayoutInflater inflater;
private List<Movie> movieItems;
ImageLoader imageLoader = AppController.getInstance().getImageLoader();
public CustomListAdapter(Activity activity, List<Movie> movieItems) {
this.activity = activity;
this.movieItems = movieItems;
}
@Override
public int getCount() {
return movieItems.size();
}
@Override
public Object getItem(int location) {
return movieItems.get(location);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (inflater == null)
inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == null)
convertView = inflater.inflate(R.layout.list_row, null);
if (imageLoader == null)
imageLoader = AppController.getInstance().getImageLoader();
/*ImageView img;
img = (ImageView)convertView
.findViewById(R.id.img);
img.setImageResource(R.drawable.bc);
else {*/
NetworkImageView _ImageView = (NetworkImageView) convertView.findViewById(R.id.thumbnail);
_ImageView.setDefaultImageResId(R.drawable.bc);
//NetworkImageView.setImageUrl(m.getThumbnailUrl(), ImageLoader);
/*NetworkImageView thumbNail = (NetworkImageView) convertView
.findViewById(R.id.thumbnail);*/
TextView name = (TextView) convertView.findViewById(R.id.name);
TextView average_ratings = (TextView) convertView.findViewById(R.id.average_ratings);
TextView address=(TextView) convertView.findViewById(R.id.area);
TextView cuisine =(TextView) convertView.findViewById(R.id.cuisine);
//TextView genre = (TextView) convertView.findViewById(R.id.genre);
//TextView year = (TextView) convertView.findViewById(R.id.releaseYear);
// getting movie data for the row
Movie m = movieItems.get(position);
// thumbnail image
//_ImageView.setImageUrl(m.getThumbnailUrl(), imageLoader);
/*if (TextUtils.isEmpty(m.getThumbnailUrl()))
thumbNail.setImageResource(R.drawable.bc);
else
//Log.d("KeyHash:","Neeraj");*/
_ImageView.setImageUrl(m.getThumbnailUrl(), imageLoader);
/*if (m.getThumbnailUrl().compareTo("")!=0)
thumbNail.setImageUrl(m.getThumbnailUrl(), imageLoader);
//else{
//thumbNail.setImageResource(R.drawable.bc);
else {
thumbNail.setDefaultImageResId(R.drawable.bc);
//thumbNail.setErrorImageResId(R.drawable.bc);
}*/
// title
name.setText(m.getName());
// rating
average_ratings.setText("Rating: " + String.valueOf(m.getAverage_ratings()));
address.setText("Area: " + String.valueOf(m.getAddress()));
cuisine.setText("Cusine: " + String.valueOf(m.getCuisine()));
/*// genre
String genreStr = "";
for (String str : m.getGenre()) {
genreStr += str + ", ";
}
genreStr = genreStr.length() > 0 ? genreStr.substring(0,
genreStr.length() - 2) : genreStr;
genre.setText(genreStr);
// release year
year.setText(String.valueOf(m.getYear()));*/
return convertView;
}
}
Appcontroller.java
public class AppController extends Application {
public static final String TAG = AppController.class.getSimpleName();
private RequestQueue mRequestQueue;
private ImageLoader mImageLoader;
private static AppController mInstance;
@Override
public void onCreate() {
super.onCreate();
mInstance = this;
}
public static synchronized AppController getInstance() {
return mInstance;
}
public RequestQueue getRequestQueue() {
if (mRequestQueue == null) {
mRequestQueue = Volley.newRequestQueue(getApplicationContext());
}
return mRequestQueue;
}
public ImageLoader getImageLoader() {
getRequestQueue();
if (mImageLoader == null) {
mImageLoader = new ImageLoader(this.mRequestQueue,
new LruBitmapCache());
}
return this.mImageLoader;
}
public <T> void addToRequestQueue(Request<T> req, String tag) {
// set the default tag if tag is empty
req.setTag(TextUtils.isEmpty(tag) ? TAG : tag);
getRequestQueue().add(req);
}
public <T> void addToRequestQueue(Request<T> req) {
req.setTag(TAG);
getRequestQueue().add(req);
}
public void cancelPendingRequests(Object tag) {
if (mRequestQueue != null) {
mRequestQueue.cancelAll(tag);
}
}
}
mmodel- movie.java
public class Movie {
private String name, thumbnailUrl;
//private int year;
private String average_ratings,area,cuisine,address;
// private ArrayList<String> genre;
public Movie() {
}
public Movie(String name, String thumbnailUrl, String average_ratings, String area, String cuisine, String address
) {
this.name = name;
this.thumbnailUrl = thumbnailUrl;
//this.year = year;
this.average_ratings = average_ratings;
this.area=area;
this.cuisine=cuisine;
this.address=address;
//this.genre = genre;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getThumbnailUrl() {
return thumbnailUrl;
}
public void setThumbnailUrl(String thumbnailUrl) {
this.thumbnailUrl = thumbnailUrl;
}
/*public int getYear() {
return year;
}*/
/*public void setYear(int year) {
this.year = year;
}*/
public String getAverage_ratings() {
return average_ratings;
}
public void setAverage_ratings(String average_ratings) {
this.average_ratings = average_ratings;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getCuisine() {
return cuisine;
}
public void setCuisine(String cuisine) {
this.cuisine = cuisine;
}
/*public ArrayList<String> getGenre() {
return genre;
}
public void setGenre(ArrayList<String> genre) {
this.genre = genre;
}
*/
}
Lis tViewActivity.java
public class ListViewActivity extends Activity {
// Log tag
private static final String TAG = ListViewActivity.class.getSimpleName();
// change here url of server api
private static final String url = "http://fa94e20d.ngrok.io/api/v1/restaurants?per_page=10&page=1&sort_col=average_ratings";
private ProgressDialog pDialog;
private List<Movie> movieList = new ArrayList<Movie>();
private ListView listView;
private CustomListAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_listview);
listView = (ListView) findViewById(R.id.list);
adapter = new CustomListAdapter(this, movieList);
listView.setAdapter(adapter);
pDialog = new ProgressDialog(this);
// Showing progress dialog before making http request
pDialog.setMessage("Loading...");
pDialog.show();
// changing action bar color
//getActionBar().setBackgroundDrawable(
// new ColorDrawable(Color.parseColor("#1b1b1b")));
// Creating volley request obj
JsonArrayRequest movieReq = new JsonArrayRequest(url,
new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
Log.d(TAG, response.toString());
hidePDialog();
// Parsing json
for (int i = 0; i < response.length(); i++) {
try {
JSONObject obj = response.getJSONObject(i);
Movie movie = new Movie();
//movie.setTitle(obj.getString("title"));
movie.setName(obj.getString("name"));
//movie.setThumbnailUrl(obj.getString("image"));
movie.setThumbnailUrl(obj.getString("image_url"));
movie.setAverage_ratings(obj.getString("average_ratings"));
movie.setCuisine(obj.getString("cuisine"));
movie.setAddress(obj.getJSONObject("address").getString("area"));
//movie.setAddress(obj.getString("address"));
//movie.setYear(obj.getInt("releaseYear"));
// Genre is json array
/*JSONArray genreArry = obj.getJSONArray("genre");
ArrayList<String> genre = new ArrayList<String>();
for (int j = 0; j < genreArry.length(); j++) {
genre.add((String) genreArry.get(j));
}
movie.setGenre(genre);*/
// adding movie to movies array
movieList.add(movie);
} catch (JSONException e) {
e.printStackTrace();
}
}
// notifying list adapter about data changes
// so that it renders the list view with updated data
adapter.notifyDataSetChanged();
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
hidePDialog();
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(movieReq);
}
@Override
public void onDestroy() {
super.onDestroy();
hidePDialog();
}
private void hidePDialog() {
if (pDialog != null) {
pDialog.dismiss();
pDialog = null;
}
}
/*@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}*/
}
list_row.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/ly_root"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="12dp"
android:background="#FEFEFE"
app:cardCornerRadius="8dp">
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<com.android.volley.toolbox.NetworkImageView
android:id="@+id/thumbnail"
android:layout_width="120dp"
android:layout_height="100dp"
android:layout_marginRight="8dp"
android:scaleType="centerCrop" />
<!-- Restaurant name -->
<TextView
android:id="@+id/name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@+id/thumbnail"
android:textStyle="bold" />
<TextView
android:id="@+id/area"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/name"
android:layout_toRightOf="@+id/thumbnail"
android:textColor="#D2691E"/>
<!-- Rating -->
<TextView
android:id="@+id/average_ratings"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/area"
android:layout_toRightOf="@+id/thumbnail"
android:textColor="#D2691E" />
<TextView
android:id="@+id/cuisine"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/average_ratings"
android:layout_toRightOf="@+id/thumbnail"
android:textColor="#D2691E" />
</RelativeLayout>
</android.support.v7.widget.CardView>
<!--
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
xmlns:card_view="http://schemas.android.com/apk/res-auto"
>
<!–<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/list_row_selector"
android:padding="8dp" >–>
<!– Thumbnail Image –>
<android.support.v7.widget.CardView
android:id="@+id/ly_root"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#FEFEFE"
android:layout_margin="8dp"
app:cardCornerRadius="4dp">
<!–<android.support.v7.widget.CardView
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:id="@+id/card_view"
android:layout_gravity="center"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
card_view:cardCornerRadius="4dp">–>
<com.android.volley.toolbox.NetworkImageView
android:id="@+id/thumbnail"
android:layout_width="120dp"
android:layout_height="80dp"
android:scaleType="centerCrop"
android:layout_marginRight="8dp" />
<!– Restaurant name –>
<TextView
android:id="@+id/name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_toRightOf="@+id/thumbnail"
android:textSize="@dimen/title"
android:textStyle="bold" />
<TextView
android:id="@+id/area"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/name"
android:textColor="#D2691E"
android:layout_toRightOf="@+id/thumbnail"
android:textSize="@dimen/rating" />
<!– Rating –>
<TextView
android:id="@+id/average_ratings"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/area"
android:textColor="#D2691E"
android:layout_toRightOf="@+id/thumbnail"
android:textSize="@dimen/rating" />
<TextView
android:id="@+id/cuisine"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/average_ratings"
android:textColor="#D2691E"
android:layout_toRightOf="@+id/thumbnail"
android:textSize="@dimen/rating" />
<!– Genre –>
<!– <TextView
android:id="@+id/genre"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/rating"
android:layout_marginTop="5dp"
android:layout_toRightOf="@+id/thumbnail"
android:textColor="@color/genre"
android:textSize="@dimen/genre" />–>
<!–
<!– Release Year –>
<TextView
android:id="@+id/releaseYear"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:textColor="@color/year"
android:textSize="@dimen/year" />–>
</android.support.v7.widget.CardView>
</LinearLayout>-->
JSON-Daten
[{"id":149,"name":"Hotel Ramashray","description":"Great Breakfasts","restaurant_type":null,"restaurant_url":null,"restaurant_facebook_url":null,"restaurant_google_url":null,"restaurant_zomato_url":"https://www.zomato.com/mumbai/hotel-ramashray-matunga-east","average_ratings":"4.9","profile_image_file_name":null,"profile_image_content_type":null,"cover_image_file_name":null,"cover_image_content_type":null,"establishment_type":"Casual Dining","cost":"200","cuisine":"South Indian","timing":"5 AM to 9:30 PM (Tue-Sun), Mon Closed","extras":null,"phone_numbers":[{"id":201,"restaurant_id":149,"number":"022 30151190","created_at":"2016-07-25T07:01:21.224-04:00","updated_at":"2016-07-25T07:01:21.224-04:00"}],"image_url":null,"menus":[],"restaurant_offers":[]},{"id":20,"name":"Mirchi And Mime","description":"Insta-Worthy, Trending this Week","restaurant_type":null,"restaurant_url":null,"restaurant_facebook_url":null,"restaurant_google_url":null,"restaurant_zomato_url":"https://www.zomato.com/mumbai/mirchi-and-mime-powai","average_ratings":"4.9","profile_image_file_name":null,"profile_image_content_type":null,"cover_image_file_name":null,"cover_image_content_type":null,"establishment_type":"Casual Dining","cost":"1000","cuisine":"North Indian, South Indian, Mughlai","timing":"12:30 PM to 3 PM, 6:30 PM to 11 PM","extras":null,"phone_numbers":[{"id":25,"restaurant_id":20,"number":"022 41415151","created_at":"2016-07-25T07:01:20.074-04:00","updated_at":"2016-07-25T07:01:20.074-04:00"},{"id":26,"restaurant_id":20,"number":" +91 8828024151","created_at":"2016-07-25T07:01:20.076-04:00","updated_at":"2016-07-25T07:01:20.076-04:00"}],"image_url":null,"menus":[],"restaurant_offers":[{"id":12,"text":"\"Choice of a Fratelli red or white wine free per person \u0026 a free cocktail/mocktail per person\"","offer_link":"https://www.eazydiner.com//mumbai/mirchi-and-mime-powai-230933","resource":"eazydiner"}]},{"id":689,"name":"Wasabi By Morimoto - The Taj Mahal Palace","description":"Book a Table Online on Zomato, Super Sushi, Trending this Week","restaurant_type":null,"restaurant_url":null,"restaurant_facebook_url":null,"restaurant_google_url":null,"restaurant_zomato_url":"https://www.zomato.com/mumbai/wasabi-by-morimoto-the-taj-mahal-palace-colaba","average_ratings":"4.9","profile_image_file_name":null,"profile_image_content_type":null,"cover_image_file_name":null,"cover_image_content_type":null,"establishment_type":"Fine Dining","cost":"12000","cuisine":"Japanese, Sushi","timing":"12:30 PM to 2:45 PM, 7 PM to 11:45 PM","extras":null,"phone_numbers":[{"id":946,"restaurant_id":689,"number":"022 66653366","created_at":"2016-07-25T07:01:25.843-04:00","updated_at":"2016-07-25T07:01:25.843-04:00"}],"image_url":null,"menus":[],"restaurant_offers":[]},{"id":197,"name":"Jimis Burgers","description":"Kickass Burgers","restaurant_type":null,"restaurant_url":null,"restaurant_facebook_url":null,"restaurant_google_url":null,"restaurant_zomato_url":"https://www.zomato.com/mumbai/jimis-burgers-malad-west","average_ratings":"4.9","profile_image_file_name":null,"profile_image_content_type":null,"cover_image_file_name":null,"cover_image_content_type":null,"establishment_type":"Quick Bites","cost":"300","cuisine":"Burger","timing":"12 Noon to 11 PM (Tue-Sun), Mon Closed","extras":null,"phone_numbers":[{"id":266,"restaurant_id":197,"number":"022 28882645","created_at":"2016-07-25T07:01:21.639-04:00","updated_at":"2016-07-25T07:01:21.639-04:00"},{"id":267,"restaurant_id":197,"number":" +91 8879485752","created_at":"2016-07-25T07:01:21.640-04:00","updated_at":"2016-07-25T07:01:21.640-04:00"}],"image_url":null,"menus":[],"restaurant_offers":[]},{"id":504,"name":"Peshawri - ITC Maratha","description":"Kebab Places","restaurant_type":null,"restaurant_url":null,"restaurant_facebook_url":null,"restaurant_google_url":null,"restaurant_zomato_url":"https://www.zomato.com/mumbai/peshawri-itc-maratha-chakala","average_ratings":"4.9","profile_image_file_name":null,"profile_image_content_type":null,"cover_image_file_name":null,"cover_image_content_type":null,"establishment_type":"Fine Dining","cost":"5000","cuisine":"North Indian, Mughlai","timing":"12 Noon to 2:45 PM, 7 PM to 11:45 PM (Mon-Sun)","extras":null,"phone_numbers":[{"id":680,"restaurant_id":504,"number":"022 30151699","created_at":"2016-07-25T07:01:24.251-04:00","updated_at":"2016-07-25T07:01:24.251-04:00"}],"image_url":null,"menus":[],"restaurant_offers":[]},{"id":12,"name":"Farzi Cafe","description":"Trending this Week","restaurant_type":null,"restaurant_url":null,"restaurant_facebook_url":null,"restaurant_google_url":null,"restaurant_zomato_url":"https://www.zomato.com/mumbai/farzi-cafe-lower-parel","average_ratings":"4.8","profile_image_file_name":"1a1938c7ca6630b4fbc9b0b0a0c8ef95_featured_v2.jpg","profile_image_content_type":"image/jpeg","cover_image_file_name":null,"cover_image_content_type":null,"establishment_type":"Casual Dining","cost":"1500","cuisine":"North Indian, Continental","timing":"12 Noon to 1 AM","extras":null,"phone_numbers":[{"id":15,"restaurant_id":12,"number":"+91 8433942801","created_at":"2016-07-25T07:01:20.009-04:00","updated_at":"2016-07-25T07:01:20.009-04:00"},{"id":16,"restaurant_id":12,"number":" +91 8433942802","created_at":"2016-07-25T07:01:20.011-04:00","updated_at":"2016-07-25T07:01:20.011-04:00"}],"image_url":"http://comida-dev.s3.amazonaws.com/res_pro_images/12.jpg","menus":[],"restaurant_offers":[]},{"id":451,"name":"Shree Thaker Bhojanalay","description":"Regional Favorites, Terrific Thalis, All You Can Eat","restaurant_type":null,"restaurant_url":null,"restaurant_facebook_url":null,"restaurant_google_url":null,"restaurant_zomato_url":"https://www.zomato.com/mumbai/shree-thaker-bhojanalay-kalbadevi","average_ratings":"4.8","profile_image_file_name":null,"profile_image_content_type":null,"cover_image_file_name":null,"cover_image_content_type":null,"establishment_type":"Casual Dining","cost":"1000","cuisine":"Gujarati","timing":"11:30 AM to 3:30 PM, 7 PM to 10:30 PM (Mon-Sat)...","extras":null,"phone_numbers":[{"id":610,"restaurant_id":451,"number":"022 22069916","created_at":"2016-07-25T07:01:23.817-04:00","updated_at":"2016-07-25T07:01:23.817-04:00"},{"id":611,"restaurant_id":451,"number":" 022 22011232","created_at":"2016-07-25T07:01:23.818-04:00","updated_at":"2016-07-25T07:01:23.818-04:00"}],"image_url":null,"menus":[],"restaurant_offers":[]},{"id":80,"name":"Yauatcha","description":"Pan-Asian Delicacies, Trending this Week","restaurant_type":null,"restaurant_url":null,"restaurant_facebook_url":null,"restaurant_google_url":null,"restaurant_zomato_url":"https://www.zomato.com/mumbai/yauatcha-bandra-kurla-complex","average_ratings":"4.8","profile_image_file_name":null,"profile_image_content_type":null,"cover_image_file_name":null,"cover_image_content_type":null,"establishment_type":"Fine Dining","cost":"2400","cuisine":"Chinese, Asian","timing":"12 Noon to 1 AM","extras":"Celebrate the Dragon Boat Festival with an exclusive limited edition menu, which will be available to order a la carte until 30th June.","phone_numbers":[{"id":104,"restaurant_id":80,"number":"+91 9222222800","created_at":"2016-07-25T07:01:20.627-04:00","updated_at":"2016-07-25T07:01:20.627-04:00"}],"image_url":null,"menus":[],"restaurant_offers":[{"id":57,"text":"Taste of Yauatcha,Yam Sing @ Rs. 988 + Taxes,Dim sum Trail @ Rs. 2000 A.I.,Tan Cha @ Rs. 350 + Taxes,Endless Martini or Wines paired with Dim sum @ Rs. 1788 + 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By the way, Volley nur die Daten herunterlädt. Du hättest es einfacher machen können, zu verstehen, wie man einen Item-Klick-Listener in einem einfachen Listenansicht hinzufügt. –