我有app只有一个活动（主要活动）和主要活动的布局XML只有 列表视图。这个应用程序从我的位置附近的餐馆，并在列表视图中显示 我需要做的是当按下按钮到项目列表中的按钮时，向主活动布局添加按钮 来自json文件并在列表视图中显示它，但不是一键显示所有餐馆，而是逐项显示 每次点击获得餐厅 假设我在json文件中有3个餐厅 当我点击按钮第一次点击让我第一个餐厅 当我点击第二次点击按钮给我第二个餐厅 当我点击第三次点击按钮得到我第三家餐厅 如何自定义此代码以接受从json文件中逐项获取项目 我的代码包括类和活动，代码正在成功运行 我的班级是FoursquareVenue
public class MainActivity extends ListActivity {
ArrayList<FoursquareVenue> venuesList;
Button btn;
int clickCount;
// ArrayList<FoursquareVenue> allResults;
List<String> shownResults = new ArrayList<String>();
//final String CLIENT_ID = "1CO3ZGVRFHXUIKWGFGDJBLJS4DNKX25EBR1TVEYSEUOFKCJD";
//final String CLIENT_SECRET = "P24DH3AUZUW4Q3Q1WHLG4HED0WPPMHT4P30TOKG2EFWAJPIJ";
// final String latitude = "30.435665153239377";
// final String longtitude = "31.144435908398464";
final String CLIENT_ID = "SVIBXYYXOEARXHDI4FWAHXGO5ZXOY204TCF1QJFXQLY5FPV4";
final String CLIENT_SECRET = "BAAJO1KXRWESGTJJGVON4W3WUFHAQDAJPLRIYJJ5OPHFQ5VI";
final String latitude = "30.435665153239377";
final String longtitude = "31.3280148";
ArrayAdapter <String> myAdapter;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
new fourquare().execute();
btn=(Button) findViewById(R.id.button);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
String name = venuesList.get(clickCount).getName();
String cat = venuesList.get(clickCount).getCategory();
String city = venuesList.get(clickCount).getCity();
shownResults.add(name + "," + "cat" + "" + city);
clickCount++;
myAdapter.notifyDataSetChanged();
new fourquare().execute();
}
});
}
private class fourquare extends AsyncTask<View, Void, String> {
String temp;
@Override
protected String doInBackground(View... urls) {
//temp = makeCall("https://api.foursquare.com/v2/venues/search?client_id=" + CLIENT_ID + "&client_secret=" + CLIENT_SECRET + "&v=20130815&ll=30.435665153239377,31.144435908398464");
temp = makeCall("https://api.foursquare.com/v2/venues/search?client_id=" + CLIENT_ID + "&client_secret=" + CLIENT_SECRET + "&v=20130815&ll=30.435665153239377,31.144435908398464" + "&query=resturant");
//public static String URL_GET_Place = "https://api.foursquare.com/v2/venues/search?client_id=SVIBXYYXOEARXHDI4FWAHXGO5ZXOY204TCF1QJFXQLY5FPV4&client_secret=BAAJO1KXRWESGTJJGVON4W3WUFHAQDAJPLRIYJJ5OPHFQ5VI&v=20130815&ll=30.1136286,31.3280148&query=resturant";
return "";
}
@Override
protected void onPreExecute() {
}
@Override
protected void onPostExecute(String result) {
if (temp == null) {
} else {
venuesList = (ArrayList<FoursquareVenue>) parseFoursquare(temp);
List<String> listTitle = new ArrayList<String>();
for (int i = 0; i < venuesList.size(); i++) {
listTitle.add(i, venuesList.get(i).getName() + ", " + venuesList.get(i).getCategory() + "" + venuesList.get(i).getCity());
}
myAdapter = new ArrayAdapter<String>(MainActivity.this, R.layout.row_layout, R.id.listText, listTitle);
setListAdapter(myAdapter);
}
}
}
public static String makeCall(String url) {
StringBuffer buffer_string = new StringBuffer(url);
String replyString = "";
HttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet(buffer_string.toString());
try {
HttpResponse response = httpclient.execute(httpget);
InputStream is = response.getEntity().getContent();
BufferedInputStream bis = new BufferedInputStream(is);
ByteArrayBuffer baf = new ByteArrayBuffer(20);
int current = 0;
while ((current = bis.read()) != -1) {
baf.append((byte) current);
}
replyString = new String(baf.toByteArray());
} catch (Exception e) {
e.printStackTrace();
}
return replyString.trim();
}
private static ArrayList<FoursquareVenue> parseFoursquare(final String response) {
ArrayList<FoursquareVenue> temp = new ArrayList<FoursquareVenue>();
try {
JSONObject jsonObject = new JSONObject(response);
if (jsonObject.has("response")) {
if (jsonObject.getJSONObject("response").has("venues")) {
JSONArray jsonArray = jsonObject.getJSONObject("response").getJSONArray("venues");
for (int i = 0; i < jsonArray.length(); i++) {
FoursquareVenue poi = new FoursquareVenue();
if (jsonArray.getJSONObject(i).has("name")) {
poi.setName(jsonArray.getJSONObject(i).getString("name"));
if (jsonArray.getJSONObject(i).has("location")) {
if (jsonArray.getJSONObject(i).getJSONObject("location").has("address")) {
if (jsonArray.getJSONObject(i).getJSONObject("location").has("city")) {
poi.setCity(jsonArray.getJSONObject(i).getJSONObject("location").getString("city"));
}
if (jsonArray.getJSONObject(i).has("categories")) {
if (jsonArray.getJSONObject(i).getJSONArray("categories").length() > 0) {
if (jsonArray.getJSONObject(i).getJSONArray("categories").getJSONObject(0).has("icon")) {
poi.setCategory(jsonArray.getJSONObject(i).getJSONArray("categories").getJSONObject(0).getString("name"));
}
}
}
temp.add(poi);
}
}
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
return new ArrayList<FoursquareVenue>();
}
return temp;
}
}
MainActivity.java
RewriteEngine on
RewriteCond %{THE_REQUEST} /tournament/index.php\?view=([^&]+)&id=([^&\s]+) [NC]
RewriteRule ^ /tournament/%1/%2? [L,R]
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(?:tournament/)?([^/]+)/?(.*)/?$ /tournament/index.php?view=$1&id=$2 [NC,L]