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Android 개발에 익숙하지 않고 간단한 어댑터가 들어있는 ListView 인 Android 활동 클래스가 있습니다. 액티비티에는 제목과 이미지가있는 제품 목록이 표시됩니다.원격 이미지를 사용하여 ListView 채우기
각 항목의 제목을 가져 와서 표시했지만 추가 클래스없이 이미지를 표시하려면 어떻게해야합니까 (맞춤형 어댑터 클래스를 사용하고 싶지는 않습니다).
이 내 활동 클래스입니다 :
public class BookletsActivity extends Activity {
private ProgressDialog pDialog;
// URL to get JSON
private static String url = "url.json";
// JSON Node names
private static final String TAG_NAME = "shop_name";
private static final String TAG_ADDRESS_STRING = "shop_address";
private static final String TAG_URL = "shop_url";
private static final String TAG_BOOKLET_URL = "feuilletez";
private static final String TAG_ID = "id";
TextView shop_address;
TextView shop_name;
TextView shop_url;
ImageButton feuilletez;
private ListView list;
private ImageButton button1;
private ImageButton button2;
private ImageButton button3;
private ImageButton button4;
// contacts JSONArray
JSONArray contacts = null;
// Hashmap for ListView
ArrayList<HashMap<String, String>> oslist = new ArrayList<HashMap<String, String>>();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Portrait only
this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
//Remove title bar
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
//Remove notification bar
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_booklet_list);
// Calling async task to get json
new GetJson().execute();
}
/**
* Async task class to get json by making HTTP call
* */
private class GetJson extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
// Showing progress dialog
pDialog = new ProgressDialog(BookletsActivity.this);
pDialog.setMessage("Mise à jour...");
pDialog.setCancelable(false);
pDialog.show();
}
@Override
protected Void doInBackground(Void... arg0) {
// Creating service handler class instance
ServiceHandler sh = new ServiceHandler();
// Making a request to url and getting response
String jsonStr = sh.makeServiceCall(url, ServiceHandler.GET);
Log.d("Response: ", "> " + jsonStr);
JSONArray array = null;
try {
array = new JSONArray(jsonStr);
} catch (JSONException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
ArrayList<String> mythumbs = new ArrayList<String>();
ArrayList<String> myurls = new ArrayList<String>();
for (int i = 0; i <array.length(); i++){
JSONObject jsonObject = array.getJSONObject(i);
String id = jsonObject.getString("id");
System.out.println("id --->" + id);
String url = jsonObject.getString("url");
System.out.println("url --->" + url);
String created_at = jsonObject.getString("created_at");
System.out.println("created_at --->" + created_at);
String updated_at = jsonObject.getString("updated_at");
System.out.println("updated_at --->" + updated_at);
String title = jsonObject.getString("title");
System.out.println("title --->" + title);
String thumbnail_url = jsonObject.getString("thumbnail_url");
System.out.println("thumbnail_url --->" + thumbnail_url);
mythumbs.add(thumbnail_url);
String document_url = jsonObject.getString("document_url");
System.out.println("document_url --->" + document_url);
myurls.add(document_url);
String presented = jsonObject.getString("presented");
System.out.println("presented --->" + presented);
System.out.println("mythumbs --->" + mythumbs);
System.out.println("myurls --->" + myurls);
HashMap<String, String> map = new HashMap<String, String>();
if(title == "null"){
map.put(TAG_NAME, "Notre catalogue");
}
else {
map.put(TAG_NAME, title);
}
map.put(TAG_ADDRESS_STRING, thumbnail_url );
map.put(TAG_URL, url);
map.put(TAG_ID, id);
map.put(TAG_BOOKLET_URL, document_url);
oslist.add(map);
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
ImageView bmImage;
public DownloadImageTask(ImageView bmImage) {
this.bmImage = bmImage;
}
protected Bitmap doInBackground(String... urls) {
String urldisplay = urls[0];
Bitmap myImage = null;
try {
InputStream in = new java.net.URL(urldisplay).openStream();
myImage = BitmapFactory.decodeStream(in);
} catch (Exception e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
myImage = Bitmap.createScaledBitmap(myImage, 300, 200, false);;
return myImage;
}
protected void onPostExecute(Bitmap result) {
bmImage.setImageBitmap(result);
}
}
@Override
protected void onPostExecute(Void result) {
super.onPostExecute(result);
list = (ListView) findViewById(R.id.list);
ListAdapter adapter = new SimpleAdapter(BookletsActivity.this, oslist,
R.layout.listvie_booklet_row, new String[] { TAG_NAME,
TAG_ADDRESS_STRING, TAG_BOOKLET_URL, TAG_ID }, new int[] { R.id.name_shop,
R.id.address_shop});
list.setAdapter(adapter);
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Intent intent = new Intent(BookletsActivity.this, PdfReader.class);
// Toast.makeText(ShopsActivity.this, "You Clicked at "+oslist.get(+position).get("shop_url"), Toast.LENGTH_SHORT).show();
intent.putExtra("pdfurl",oslist.get(+position).get("feuilletez"));
intent.putExtra("pdfname",oslist.get(+position).get("id"));
overridePendingTransition(R.anim.animationin, R.anim.animationout);
startActivity(intent);
}
});
// Dismiss the progress dialog
if (pDialog.isShowing())
pDialog.dismiss();
}
}
}
괜찮습니다. 도움을 요청하십시오. – Xavier