I'm trying to parse a JSON result from a URL in my Android app.
I have tried a few examples on the Internet, but can't get it to work.
What's the simplest way to fetch the URL and parse the JSON data show it in the listview
Json data :
[{"MemberID":"1","Username":"weerachai","Password":"12345","Name":"Weerachai
Nukitram","Tel":"0819876107","Email":"weerachai#gmail.com"},{"MemberID":"2","Username":"adisorn","Password":"ac143","Name":"Adisorn
Bunsong","Tel":"021978032","Email":"adisorn#gmail.com"},{"MemberID":"3","Username":"surachai","Password":"gg111","Name":"Surachai
Sirisart","Tel":"0876543210","Email":"surachai#gmail.com"}]
Android code :
public class MainActivity extends AppCompatActivity {
ArrayList<HashMap<String, String>> MyArrList;
#SuppressLint("NewApi")
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Permission StrictMode
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
ShowData();
// btnSearch
final Button btnSearch = (Button) findViewById(R.id.btnSearch);
//btnSearch.setBackgroundColor(Color.TRANSPARENT);
// Perform action on click
btnSearch.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
ShowData();
}
});
}
public void ShowData()
{
// listView1
final ListView lisView1 = (ListView)findViewById(R.id.listView1);
// keySearch
EditText strKeySearch = (EditText)findViewById(R.id.txtKeySearch);
// Disbled Keyboard auto focus
InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);imm.hideSoftInputFromWindow(strKeySearch.getWindowToken(), 0);
String url = "http:...............php";
// Paste Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("txtKeyword", strKeySearch.getText().toString()));
try {
JSONArray data = new JSONArray(getJSONUrl(url,params));
MyArrList = new ArrayList<HashMap<String, String>>();
HashMap<String, String> map;
for(int i = 0; i < data.length(); i++){
JSONObject c = data.getJSONObject(i);
map = new HashMap<String, String>();
map.put("MemberID", c.getString("MemberID"));
map.put("Username", c.getString("Username"));
map.put("Password", c.getString("Password"));
map.put("Name", c.getString("Name"));
map.put("Email", c.getString("Email"));
map.put("Tel", c.getString("Tel"));
MyArrList.add(map);
}
lisView1.setAdapter(new ImageAdapter(this));
// OnClick Item
lisView1.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> myAdapter, View myView, int position, long mylng) {
String sMemberID = MyArrList.get(position).get("MemberID").toString();
String sName = MyArrList.get(position).get("Name").toString();
String sTel = MyArrList.get(position).get("Tel").toString();
Intent newActivity = new Intent(MainActivity.this,DetailActivity.class);
newActivity.putExtra("MemberID", sMemberID);
startActivity(newActivity);
}
});
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public class ImageAdapter extends BaseAdapter
{
private Context context;
public ImageAdapter(Context c)
{
// TODO Auto-generated method stub
context = c;
}
public int getCount() {
// TODO Auto-generated method stub
return MyArrList.size();
}
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
convertView = inflater.inflate(R.layout.activity_column, null);
}
// ColMemberID
TextView txtMemberID = (TextView) convertView.findViewById(R.id.ColMemberID);
txtMemberID.setPadding(10, 0, 0, 0);
txtMemberID.setText(MyArrList.get(position).get("MemberID") +".");
// R.id.ColName
TextView txtName = (TextView) convertView.findViewById(R.id.ColName);
txtName.setPadding(5, 0, 0, 0);
txtName.setText(MyArrList.get(position).get("Name"));
// R.id.ColTel
TextView txtTel = (TextView) convertView.findViewById(R.id.ColTel);
txtTel.setPadding(5, 0, 0, 0);
txtTel.setText(MyArrList.get(position).get("Tel"));
return convertView;
}
}
public String getJSONUrl(String url,List<NameValuePair> params) {
StringBuilder str = new StringBuilder();
HttpClient client = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url);
try {
httpPost.setEntity(new UrlEncodedFormEntity(params));
HttpResponse response = client.execute(httpPost);
StatusLine statusLine = response.getStatusLine();
int statusCode = statusLine.getStatusCode();
if (statusCode == 200) { // Download OK
HttpEntity entity = response.getEntity();
InputStream content = entity.getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(content));
String line;
while ((line = reader.readLine()) != null) {
str.append(line);
}
} else {
Log.e("Log", "Failed to download result..");
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return str.toString();
}
}
Related
How can I do this: I have 2 Spinners in my app and one is for Departament and other is for Doctor, when I select one department in Departament spinner I want my second spinner to show only the doctor's who belong to that department. I'm using MYSQL Database to fetching data from two different tables. I populate both table with a urlconection. Here is my code:
int id_departament;
String[] nume_doctor = null;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.programare_online, container, false);
sp = (Spinner) view.findViewById(R.id.spinner1);
adapter = new ArrayAdapter<String>(getActivity(), R.layout.spinner1_layout, R.id.txt1, listItems);
sp.setAdapter(adapter);
sp.setFocusable(true);
sp.clearFocus();
sp2 = (Spinner) view.findViewById(R.id.spinner2);
adapter2 = new ArrayAdapter<String>(getActivity(), R.layout.spinner2_layout, R.id.txt2, listItems2);
sp2.setAdapter(adapter2);
sp2.setFocusable(true);
sp2.clearFocus();
return view;
}
this is the BlackTask
private class BackTask extends AsyncTask<Void, Void, Void> {
ArrayList<String> list;
ArrayList<String> list2;
protected void onPreExecute() {
super.onPreExecute();
list = new ArrayList<>();
list2 = new ArrayList<>();
}
protected Void doInBackground(Void... params) {
InputStream is = null;
String result = "";
InputStream is2 = null;
String result2 = "";
so here I open the connection with database
try {
URL url = new URL("http://192.168.1.5/clinicco/departament.php");
urlConnection = (HttpURLConnection) url.openConnection(); //here open the connection with database
urlConnection.connect(); //here connect to database
is = urlConnection.getInputStream(); //here open the stream for reading data from database
URL url2 = new URL("http://192.168.1.5/clinicco/doctori.php");
urlConnection2 = (HttpURLConnection) url2.openConnection();
urlConnection2.connect(); //here connect to database
is2 = urlConnection2.getInputStream(); //here open the stream for reading data from database
} catch (IOException e) {
e.printStackTrace();
}
//convert response to string
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(is, "utf-8"));
String line = null;
while ((line = reader.readLine()) != null) {
result += line;
}
is.close();
BufferedReader reader2 = new BufferedReader(new InputStreamReader(is2, "utf-8"));
String line2 = null;
while ((line2 = reader2.readLine()) != null) {
result2 += line2;
}
is2.close();
//result=sb.toString();
} catch (Exception e) {
e.printStackTrace();
}
// parse json data
try {
JSONArray jArray = new JSONArray(result);
for (int i = 0; i < jArray.length(); i++) {
JSONObject jsonObject = jArray.getJSONObject(i);
//id_departament = jsonObject.getInt("id_departament");
// add departament's name to arraylist
list.add(jsonObject.getString("nume_departament"));
}
JSONArray jArray2 = new JSONArray(result2);
JSONObject jsonObject2=null;
nume_doctor=new String[jArray2.length()];
id_departament = jsonObject2.getInt("id_departament");
for (int i = 0; i < jArray2.length(); i++) {
jsonObject2 = jArray2.getJSONObject(i);
list2.add(jsonObject2.getString("nume_doctor"));
id_departament = jsonObject2.getInt("id_departament");
nume_doctor[i] = jsonObject2.getString("nume_doctor");
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
this is onPostExecute with the OnItemselectedLiSTENER
protected void onPostExecute(Void result) {
listItems.addAll(list);
adapter.notifyDataSetChanged();
listItems2.addAll(list2);
adapter2.notifyDataSetChanged();
sp.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
#Override
public void onItemSelected(AdapterView<?> arg0, View arg1, int position, long id) {
// TODO Auto-generated method stu
// sp.getSelectedItem().toString();
int pos = sp.getSelectedItemPosition();
sp2.setSelection(position);
}
#Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
sp2.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
#Override
public void onItemSelected(AdapterView<?> arg0, View arg1, int position, long arg3) {
// TODO Auto-generated method stub
// sp2.getSelectedItem().toString();
sp.setSelection(position);
}
#Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
}
}
public void onStart() {
super.onStart();
BackTask bt = new BackTask();
bt.execute();
}
Call BaseAdapter In Fragment Close Application
Comment in line spinner.setAdapter(new Category_Adapter(getActivity(), categorylist));
Work
Error Log
Class FragmentNews
public class FragmentNews extends Fragment {
ArrayList<Category> categorylist = new ArrayList<Category>();
#Override
public View onCreateView(final LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
// TODO Auto-generated method stub
final View rootView = inflater.inflate(R.layout.fragment_news,
container, false);
Spinner spinner = (Spinner) rootView.findViewById(R.id.category);
new fechPosts().execute("");
return rootView;
}
class fechPosts extends AsyncTask<String, String, String> {
#Override
protected void onPreExecute() {
ringProgressDialog = new ProgressDialog(getActivity());
ringProgressDialog.setMessage("در حال ارسال پیام");
ringProgressDialog.setCancelable(true);
ringProgressDialog.show();
super.onPreExecute();
}
#Override
protected String doInBackground(String... params) {
String result = fetch(params[0]);
return result;
}
#Override
protected void onPostExecute(String result) {
super.onPostExecute(result);
Activity myActivity = getActivity();
spinner.setAdapter(new Category_Adapter(getActivity(), categorylist));
ringProgressDialog.dismiss();
}
}
public String fetch(String titel) {
// Create a new HttpClient and Post Header
HttpClient httpclient = new DefaultHttpClient();
HttpGet httppost = null;
httppost = new HttpGet(
"http://mynikan.ir/paliz/mobile/GetAllProduct.php");
String r = "ok";
String result = null;
InputStream inputStream = null;
try {
HttpResponse response = httpclient.execute(httppost);
HttpEntity entity = response.getEntity();
inputStream = response.getEntity().getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(
inputStream, "iso-8859-1"));
StringBuilder sb = new StringBuilder();
sb.append(reader.readLine() + "\n");
String line = "";
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
result = sb.toString();
JSONArray array = null;
try {
array = new JSONArray(result);
} catch (JSONException e) {
e.printStackTrace();
}
if (array.length() != 0) {
for (int i = 0; i < array.length(); i++) {
JSONObject json_data;
try {
json_data = array.getJSONObject(i);
Category obj = new Category();
obj.Image = json_data.getString("Product_Image");
obj.Title = json_data.getString("Price");
categorylist.add(obj);
} catch (JSONException e) {
e.printStackTrace();
}
}
} else {}
} catch (ClientProtocolException e) {
} catch (IOException e) {
}
return r;
}
Class Adapter
public class Category_Adapter extends BaseAdapter {
public String[] items;
public LayoutInflater myinflater;
Context context;
static class ViewHolder
{
TextView text;
TextView price;
ImageView im;
}
public int[] picmenu;
ArrayList<Category> categorylist = new ArrayList<Category>();
public Category_Adapter(Context c, ArrayList<Category> pthemop) {
myinflater = LayoutInflater.from(c);
context = c;
categorylist = pthemop;
}
#Override
public int getCount() {
// TODO Auto-generated method stub
return categorylist.size();
}
#Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
#Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
#Override
public View getView(final int position, View convertView, ViewGroup parent)
{
final ViewHolder holder;
// /////
if (convertView == null) {
convertView = myinflater.inflate(R.layout.snipper_single, null);
holder = new ViewHolder();
holder.text = (TextView) convertView.findViewById(R.id.text);
holder.im = (ImageView) convertView.findViewById(R.id.image);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.text.setText(categorylist.get(position).Title);
Picasso.with(context).load(categorylist.get(position).Image)
.into(holder.im);
return convertView;
}}
Class Category
public class Category {
String Title;
String Image;
}
Here:
spinner.setAdapter(new Category_Adapter(getActivity(), categorylist));
line causing issue because spinner object of Spinner is null.
In onCreateView method creating new object instead of initializing object which is using in spinner.
Change onCreateView method as:
spinner = (Spinner) rootView.findViewById(R.id.category);
new fechPosts().execute("");
I am creating an application which works offline. My app is working fine in online mode and getting json from url. How can I make it work offline? How do I insert json from a url into SQLite? I want to get all data from a url first, then insert it in SQLite and then use database.
This is my complete code:
public class MainActivity extends Activity {
CategoryListAdapter3 cla;
static ArrayList<Long> Category_ID = new ArrayList<Long>();
static ArrayList<String> Category_name = new ArrayList<String>();
static ArrayList<String> Category_image = new ArrayList<String>();
String URL, URL2;
String SelectMenuAPI;
String _response;
String status;
GridView gridview;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gridview = (GridView) findViewById(R.id.gridview);
cla = new CategoryListAdapter3(MainActivity.this);
new TheTask().execute();
gridview.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
// TODO Auto-generated method stub
Intent iMenuList = new Intent(MainActivity.this,
Subcategory.class);
iMenuList.putExtra("Category_ID",
Category_ID.get(position));
iMenuList.putExtra("Category_name",
Category_name.get(position));
startActivity(iMenuList);
}
});
}
void clearData() {
Category_ID.clear();
Category_name.clear();
Category_image.clear();
}
public class TheTask extends AsyncTask<Void, String, String> {
#Override
protected void onPreExecute() {
super.onPreExecute();
}
#Override
protected String doInBackground(Void... arg0) {
SelectMenuAPI = "http://www.syddddds.pk/beta7/_webservices
/mobile_api.php?response=getmaincategories";
clearData();
URL = SelectMenuAPI;
URL2 = URL.replace(" ", "%20");
try {
Log.i("url", "" + URL2);
HttpClient client = new DefaultHttpClient();
HttpGet request = new HttpGet(URL2);
HttpResponse response = client.execute(request);
HttpEntity resEntity = response.getEntity();
_response = EntityUtils.toString(resEntity);
} catch (Exception e) {
e.printStackTrace();
}
return _response;
}
#Override
protected void onPostExecute(String result) {
super.onPostExecute(result);
try {
JSONObject json2 = new JSONObject(result);
status = json2.getString("Status");
if (status.equals("1")) {
JSONArray school2 = json2.getJSONArray("data");
//
for (int i = 0; i < school2.length(); i++) {
JSONObject object = school2.getJSONObject(i);
Category_ID.add(Long.parseLong(object .getString("category_id")));
Category_name.add(object.getString("name"));
Category_image.add(object.getString("image_path"));
}
}
else {
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
gridview.setAdapter(cla);
cla.notifyDataSetChanged();
}
}
public class CategoryListAdapter3 extends BaseAdapter {
private Activity activity;
private AQuery androidAQuery;
public CategoryListAdapter3(Activity act) {
this.activity = act;
// imageLoader = new ImageLoader(act);
}
public int getCount() {
// TODO Auto-generated method stub
return MainActivity.Category_ID.size();
}
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ViewHolder holder;
androidAQuery = new AQuery(getcontext());
if(convertView == null){
LayoutInflater inflater = (LayoutInflater) activity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.viewitem2, null);
holder = new ViewHolder();
convertView.setTag(holder);
}else{
holder = (ViewHolder) convertView.getTag();
}
holder.txtText = (TextView) convertView.findViewById(R.id.title2);
holder.imgThumb = (ImageView) convertView.findViewById(R.id.image2);
holder.txtText.setText(MainActivity.Category_name.get(position));
androidAQuery.id(holder.imgThumb).image(MainActivity.Category_image.get(position),
true, true);
return convertView;
}
private Activity getcontext() {
// TODO Auto-generated method stub
return null;
}
static class ViewHolder {
TextView txtText;
ImageView imgThumb;
}
}
below is my code there is a problem some where in getDataTask if i remove this class is work fine and print Toast message Toast.makeText(this, message, Toast.LENGTH_SHORT).show(); but what is problem in my getDataTask im parsing below json file problem is some where in doinbackground method help me please
{"status":0,"message":"No such school found"}
public class thirdstep extends Activity {
ListView listCategory;
String status;
String message;
String MenuSelect;
ProgressBar prgLoading;
long Cat_ID;
String Cat_name;
String CategoryAPI;
int IOConnect = 0;
TextView txtAlert;
thirdstepAdapter cla;
static ArrayList<String> Category_ID = new ArrayList<String>();
static ArrayList<String> Category_name = new ArrayList<String>();
static ArrayList<String> Category_image = new ArrayList<String>();
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.category_list2);
ImageButton btnback = (ImageButton) findViewById(R.id.btnback);
listCategory = (ListView) findViewById(R.id.listCategory2);
prgLoading = (ProgressBar) findViewById(R.id.prgLoading);
txtAlert = (TextView) findViewById(R.id.txtAlert);
cla = new thirdstepAdapter(thirdstep.this);
new getDataTask().execute();
listCategory.setAdapter(cla);
btnback.setOnClickListener(new OnClickListener()
{
public void onClick(View arg0) {
// TODO Auto-generated method stub
finish();
}
});
Intent iGet = getIntent();
Cat_ID = iGet.getLongExtra("category_id", 0);
Cat_name = iGet.getStringExtra("category_name");
Toast.makeText(this, Cat_ID + Cat_name, Toast.LENGTH_SHORT).show();
MenuSelect = Utils.MenuSelect;
listCategory.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
// TODO Auto-generated method stub
Intent iMenuList = new Intent(thirdstep.this, fourthscreen.class);
iMenuList.putExtra("Cat_ID",Cat_ID);
iMenuList.putExtra("Menuitem", Category_ID.get(position));
startActivity(iMenuList);
}
});
}
void clearData() {
Category_ID.clear();
Category_name.clear();
Category_image.clear();
}
public class getDataTask extends AsyncTask<Void, Void, Void>{
getDataTask(){
if(!prgLoading.isShown()){
prgLoading.setVisibility(0);
txtAlert.setVisibility(8);
}
}
#Override
protected void onPreExecute() {
// TODO Auto-generated method stub
}
#Override
protected Void doInBackground(Void... arg0) {
// TODO Auto-generated method stub
parseJSONData();
return null;
}
#Override
protected void onPostExecute(Void result) {
// TODO Auto-generated method stub
prgLoading.setVisibility(8);
if((Category_ID.size() > 0) || IOConnect == 0){
listCategory.setVisibility(0);
listCategory.setAdapter(cla);
}else{
txtAlert.setVisibility(0);
}
}
}
public void parseJSONData() {
CategoryAPI = Utils.MenuList + Cat_ID;
clearData();
try {
HttpClient client = new DefaultHttpClient();
HttpConnectionParams
.setConnectionTimeout(client.getParams(), 15000);
HttpConnectionParams.setSoTimeout(client.getParams(), 15000);
HttpUriRequest request = new HttpGet(CategoryAPI);
HttpResponse response = client.execute(request);
InputStream atomInputStream = response.getEntity().getContent();
BufferedReader in = new BufferedReader(new InputStreamReader(
atomInputStream));
String line;
String str = "";
while ((line = in.readLine()) != null) {
str += line;
}
JSONObject json = new JSONObject(str);
JSONObject json2 = new JSONObject(str);
status = json2.getString("status");
message = json2.getString("message");
if (status.equals("1")) {
JSONObject data = json.getJSONObject("data");
JSONArray school = data.getJSONArray("menu_groups");
for (int i = 0; i < school.length(); i++) {
JSONObject object = school.getJSONObject(i);
Category_ID.add(object.getString("id"));
Category_name.add(object.getString("title"));
Category_image.add(object.getString("image"));
}
}
else
{
Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
IOConnect = 1;
e.printStackTrace();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
You are calling parseJSONData() in doInbackground and you have this
Toast.makeText(this, message, Toast.LENGTH_SHORT).show(); // in parseJSONData()
you cannot update ui from doInbackground. You need to update ui on the ui thread. Return result in doInbackground. In onPostExecute update ui.
I'm trying to set different images by parsing, but I can set only last image. I don't know where the problem is in this code:
public class GridActivity extends Activity{
private EfficientAdapter adap;
String strUrl;
AddAlbumDetailBean aBean;
XmlParser parser;
ArrayList<Object> result;
ArrayList<Object> data;
ImageButton btnAdd;
private Context context;
static Bitmap bitmap;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
Utils.onActivityCreateSetTheme(this);
setContentView(R.layout.photos_activity);
GridView gView = (GridView)findViewById(R.id.gridview);
adap = new EfficientAdapter(this);
gView.setAdapter(adap);
/*btnAdd = (ImageButton)findViewById(R.id.btnAddPhotos);
btnAdd.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(new Intent(GridActivity.this,AddAlbum.class));
}
});
*/
}
public static class EfficientAdapter extends BaseAdapter {
private LayoutInflater mInflater;
private Context context;
String strUrl;
AddAlbumDetailBean aBean;
XmlParser parser;
ArrayList<Object> result;
public EfficientAdapter(Context context) {
// Cache the LayoutInflate to avoid asking for a new one each time.
mInflater = LayoutInflater.from(context);
this.context = context;
String userId = ConstantData.user_id;
String albumId = ConstantData.album_id;
int pageNo = 1;
int limit = 20;
try {
DefaultHttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost("http://192.168.5.10/ijoomer_development/index.php?option=com_ijoomer&plg_name=jomsocial&pview=album&ptask=photo_paging&userid="+ ConstantData.user_id +"&sessionid="+ ConstantData.session_id +"&tmpl=component&albumid="+ ConstantData.album_id +"&pageno=1&limit=20");
StringBuffer strBuffer = new StringBuffer("<data><userid>" + userId + "</userid><albumid>" + albumId + "</albumid><pageno>" + pageNo +"</pageno><limit>"+ limit +"</limit></data>");
StringEntity strEntity = new StringEntity(strBuffer.toString());
post.setEntity(strEntity);
HttpResponse response = client.execute(post);
InputStream in = response.getEntity().getContent();
String strResponse = convertStreamToString(in);
parser = new XmlParser(in, new AddAlbumDetailBean());
result = parser.parse("data", "data");
String startThumb ="<thumb>";
String endThumb = "</thumb>";
String startUrl = "<url>";
String endUrl = "</url>";
if (startThumb.equalsIgnoreCase("<thumb>") && endThumb.equalsIgnoreCase("</thumb>"))
{
int startT = strResponse.indexOf(startThumb);
int endT = strResponse.indexOf(endThumb);
Log.i("startThumb", ""+startT);
Log.i("endThumb", ""+endT);
String OldThumb = strResponse.substring(startT, endT);
int startUrlindex = OldThumb.indexOf(">");
String thumb = OldThumb.substring(startUrlindex + 1).trim();// getting Url from webservice
Log.i("Thu0mb", ""+thumb);
URL newurl = new URL(thumb);
bitmap = BitmapFactory.decodeStream(newurl.openConnection() .getInputStream());// converting Url into Bitmap but dont know how to use bitmap array here
Log.d("Bitmap in ConstantData", ""+bitmap);
}
if (startUrl.equalsIgnoreCase("<url>") && endUrl.equalsIgnoreCase("</url>"))
{
int startL = strResponse.indexOf(startUrl);
int endL = strResponse.indexOf(endUrl);
Log.i("startUrl", ""+startL);
Log.i("endUrl", ""+endL);
String OldUrl = strResponse.substring(startL, endL);
int startUrlindex = OldUrl.indexOf(">");
String url = OldUrl.substring(startUrlindex + 1).trim();
}
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.icon, null);
holder = new ViewHolder();
holder.iconImage = (ImageView) convertView.findViewById(R.id.icon_image);
convertView.setOnClickListener(new OnClickListener() {
private int pos = position;
#Override
public void onClick(View v) {
Toast.makeText(context, "Click-" + String.valueOf(pos), Toast.LENGTH_SHORT).show();
context.startActivity(new Intent(context,GridActivity.class));
}
});
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
Log.d("Bitmap in ConstantData", ""+bitmap);
holder.iconImage.setImageBitmap(bitmap);
return convertView;
}
static class ViewHolder {
ImageView iconImage;
}
#Override
public int getCount() {
// TODO Auto-generated method stub
return 5; // if i m trying to return result.size(); getting error and returning 5 i can only get 5 images
}
#Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
#Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
}
public static String convertStreamToString(InputStream in)
throws IOException {
if (in != null) {
Writer writer = new StringWriter();
char[] buffer = new char[1024];
try {
Reader reader = new BufferedReader(
new InputStreamReader(in, "UTF-8"));
int n;
while ((n = reader.read(buffer)) != -1) {
writer.write(buffer, 0, n);
}
} finally {
// in.close();
}
return writer.toString();
} else {
return "";
}
}
}
Through this code i am trying to set image into the dynamic gridview using adapter....
but i can set only last image into the gridview so i dont know how to use bitmap array
There are a lot of problems on your code:
your bitmap is static, so you overriding it...
you have no loop, so you have only the same bitmap "parsed"
(after that I stopped looking)
Try to clean up your code and try to debug step by step so that you understand what your code does...
update:
some tips:
use AsyncTask to request the XML and parse it there
when finished fill the adapter with the parsed image urls