以下是我的代码，我在这里得到回复..
Fetching Data from server in josn
getRequest();
list = (ListView) findViewById(R.id.list);
list.setAdapter(adapter);
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
}
});
//
private void getRequest(){
Thread trd = new Thread(new Runnable() {
@Override
public void run() {
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpEntity httpEntity = null;
HttpResponse httpResponse = null;
//
try{
Log.d("Get top called","try block");
HttpGet httpGet = new HttpGet(url);
httpResponse = httpClient.execute(httpGet);
httpEntity = httpResponse.getEntity();
response = EntityUtils.toString(httpEntity);
if(response!=null){
try{
HashMap<String, String> defaultSongsDetails;
songs = new JSONArray(response);
JSONObject jsonObject;
for(int i=0;i<songs.length();i++){
defaultSongsDetails = new HashMap<String, String>();
String title,artist,language,imageUrl,songUrl,vocalUrl,duration=null;
String sdCardPathOfImage,sdCardPathOfOriginalSong,sdCardPathOfVocalSong=null;
jsonObject = songs.getJSONObject(i);
title = jsonObject.getString(SONG_TITLE);
defaultSongsDetails.put("song_title",title);
artist = jsonObject.getString(SONG_ARTIST);
defaultSongsDetails.put("song_artist",artist);
language = jsonObject.getString(SONG_LANGUAGE);
defaultSongsDetails.put("song_language",language);
duration = jsonObject.getString(SONG_DURATION);
defaultSongsDetails.put("song_duration",duration);
imageUrl = jsonObject.getString(SONG_THUMBNAL);
songUrl = jsonObject.getString(SONG_DOWNLOAD_URL);
vocalUrl = jsonObject.getString(SONG_VOCAL_URL);
String thumbnail=null;
int cutImg = imageUrl.lastIndexOf('/');
if (cutImg != -1) {
thumbnail = imageUrl.substring(cutImg + 1);
}
sdCardPathOfImage = basepath + "/songs/" + thumbnail;
defaultSongsDetails.put("song_thumbnail", sdCardPathOfImage);
String fileName=null; int cut = songUrl.lastIndexOf('/'); if (cut != -1) { fileName = songUrl.substring(cut + 1); }
sdCardPathOfOriginalSong = basepath +＆＃34; / songs /＆＃34; + fileName;
defaultSongsDetails.put（＆＃34; song_original_path＆＃34 ;,
sdCardPathOfOriginalSong）;
String vocalFileName = null; int cutVocal = songUrl.lastIndexOf（＆＃39; /＆＃39;）; if（cut！= -1）{vocalFileName =
songUrl.substring（cutVocal + 1）; } sdCardPathOfVocalSong =
基本路径+＆＃34; /歌曲/＆＃34; + vocalFileName;
defaultSongsDetails.put（＆＃34; song_vocal_path＆＃34;，sdCardPathOfVocalSong）;
//将Hashmap添加到ArrayList
defaultSongsDetailList.add（defaultSongsDetails）;
adapter = new CustomList（JsonActivity.this，defaultSongsDetailList）;
} catch（Exception e）{e.printStackTrace（）; catch（Exception e）{e.printStackTrace（）; }
}）; trd.start（）;
}
//CustomList Adapter class
public class CustomList extends ArrayAdapter<HashMap<String, String>>{
private final Activity context;
private ArrayList<HashMap<String, String>> songList;
public CustomList(Activity context,
ArrayList<HashMap<String, String>> songList) {
super(context, R.layout.list_item_view, songList);
this.context = context;
this.songList = songList;
}
@Override
public View getView(int position, View view, ViewGroup parent) {
LayoutInflater inflater = context.getLayoutInflater();
View rowView= inflater.inflate(R.layout.list_item_view, null, true);
TextView txtTitle = (TextView) rowView.findViewById(R.id.title);
ImageView imageView = (ImageView) rowView.findViewById(R.id.list_image);
TextView txtArtist = (TextView) rowView.findViewById(R.id.artist);
TextView txtDuration = (TextView) rowView.findViewById(R.id.duration);
System.out.println(" title ** "+songList.get(position).get("song_title")+" duration **
＆＃34 + songList.get（位置）获得（＆＃34; song_duration＆＃34） +＆＃34; thumb **＆＃34; + songList.get（position）.get（＆＃34; song_thumbnail＆＃34;）+＆＃34;语言** ＆＃34 + songList.get（位置）获得（＆＃34; song_language＆＃34））;
txtArtist.setText(songList.get(position).get("song_title"));
txtDuration.setText(songList.get(position).get("song_duration"));
File file = new File(songList.get(position).get("song_thumbnail"));
Uri uri = Uri.fromFile(file);
imageView.setImageBitmap(BitmapFactory.decodeFile(defaultFilePath));
imageView.setImageURI(uri);
txtTitle.setText(songList.get(position).get("song_language"));
return rowView;
}
}
Any help would be appreciated...
答案 0 :(得分：0)
//Fetching Data from server in josn
getRequest();
gAdapter = new BaseAdapter(HomeJsonActivity.this, defaultSongsDetailList);;
list = (ListView) findViewById(R.id.list);
gAdapter.notifyDataSetChanged();
list.setAdapter(gAdapter);
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
}
});
private void getRequest() {
Thread trd = new Thread(new Runnable() {
@Override
public void run() {
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpEntity httpEntity = null;
HttpResponse httpResponse = null;
try {
Log.d("Get top called", "try block");
HttpGet httpGet = new HttpGet(url);
httpResponse = httpClient.execute(httpGet);
httpEntity = httpResponse.getEntity();
response = EntityUtils.toString(httpEntity);
if (response != null) {
try {
HashMap<String, String> defaultSongsDetails;
songs = new JSONArray(response);
JSONObject jsonObject;
defaultSongsDetails = new HashMap<String, String>();
String title, artist, language, imageUrl, songUrl, vocalUrl, duration = null;
String sdCardPathOfImage, sdCardPathOfOriginalSong, sdCardPathOfVocalSong = null;
jsonObject = songs.getJSONObject(i);
title = jsonObject.getString(SONG_TITLE);
defaultSongsDetails.put("song_title", title);
artist = jsonObject.getString(SONG_ARTIST);
defaultSongsDetails.put("song_artist", artist);
language = jsonObject.getString(SONG_LANGUAGE);
defaultSongsDetails.put("song_language", language);
duration = jsonObject.getString(SONG_DURATION);
defaultSongsDetails.put("song_duration", duration);
imageUrl = jsonObject.getString(SONG_THUMBNAL);
songUrl = jsonObject.getString(SONG_DOWNLOAD_URL);
vocalUrl = jsonObject.getString(SONG_VOCAL_URL);
String thumbnail = null;
int cutImg = imageUrl.lastIndexOf('/');
if (cutImg != -1) {
thumbnail = imageUrl.substring(cutImg + 1);
}
sdCardPathOfImage = basepath + "/songs/" + thumbnail;
defaultSongsDetails.put("song_thumbnail", sdCardPathOfImage);
String fileName = null;
int cut = songUrl.lastIndexOf('/');
if (cut != -1) {
fileName = songUrl.substring(cut + 1);
}
sdCardPathOfOriginalSong = basepath + "/songs/" + fileName;
defaultSongsDetails.put("song_original_path", sdCardPathOfOriginalSong);
String vocalFileName = null;
int cutVocal = songUrl.lastIndexOf('/');
if (cut != -1) {
vocalFileName = songUrl.substring(cutVocal + 1);
}
sdCardPathOfVocalSong = basepath + "/songs/" + vocalFileName;
defaultSongsDetails.put("song_vocal_path", sdCardPathOfVocalSong);
defaultSongsDetailList.add(defaultSongsDetails);
}
} catch (Exception e) {
e.printStackTrace();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
});
trd.start();
}
//Custom Base Adapter Class
public class BaseAdapter extends BaseAdapter {
private LayoutInflater mInflater;
private ArrayList<HashMap<String, String>> songList;
public BaseAdapter(Context context, ArrayList<HashMap<String, String>> list) {
this.mInflater = LayoutInflater.from(context);
this.songList = list;
for (HashMap hh : songList) {
System.out.println("**** hh ***" + hh);
}
}
@Override
public int getCount() {
return songList.size();
}
@Override
public Object getItem(int position) {
return songList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View rowView;
ViewHolder holder;
if (convertView == null) {
rowView = mInflater.inflate(R.layout.list_item_view, parent, false);
holder = new ViewHolder();
holder.title = (TextView) rowView.findViewById(R.id.title);
holder.thumb = (ImageView) rowView.findViewById(R.id.list_image);
holder.artist = (TextView) rowView.findViewById(R.id.artist);
holder.duration = (TextView) rowView.findViewById(R.id.duration);
rowView.setTag(holder);
} else {
rowView = convertView;
holder = (ViewHolder) rowView.getTag();
}
holder.title.setText(songList.get(position).get("song_title"));
File file = new File(songList.get(position).get("song_thumbnail"));
Uri uri = Uri.fromFile(file);
holder.thumb.setImageURI(uri);
holder.artist.setText(songList.get(position).get("song_artist"));
holder.duration.setText(songList.get(position).get("song_duration"));
System.out.println(" title ** " + songList.get(position).get("song_title") + " duration ** " + songList.get(position).get("song_duration")
+ " thumb ** " + songList.get(position).get("song_thumbnail") + " language ** " + songList.get(position).get("song_language"));
return rowView;
}
private class ViewHolder {
public ImageView thumb;
public TextView title, duration, artist;
}
}