i was tring to load image using url.a single url is working properly. but i need to add a few more images to this page.i need to add this image s to a list view.pls tell me how can i add a string array to this code.
import java.io.IOException;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class FareCrd extends Activity {
String image_url="http://movito.nervov.com/img/ace-hd.png";
String[] mString ={"http://movito.nervov.com/img/ace-hd.png",
"http://movito.nervov.com/img/Movito_Logo_M.png"};
JSONArray jsonary;
ListView list;
private Activity activity;
private String[] data;
private static View inflater=null;
//private String[] mStrings={"http://movito.nervov.com/img/ace-hd.png"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_fare_crd);
list=(ListView)findViewById(R.id.farelist);
new ServConn().execute();
}
private void parsedata(String data){
//System.out.println(data);
try {
JSONObject json = new JSONObject(data);
jsonary = json.getJSONArray("data");
ListView list = (ListView) findViewById(R.id.farelist);
list.setAdapter(new DriverOrderList(getApplicationContext(),
R.layout.farecrd, new JSONObject[jsonary.length()]));
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private class DriverOrderList extends ArrayAdapter<JSONObject> {
int listViewResource;
public DriverOrderList(Context context, int resource, JSONObject[] s) {
super(context, resource, s);
listViewResource = resource;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row = ((LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(listViewResource, parent, false);
ImageLoader imgLoader = new ImageLoader(getApplicationContext());
JSONObject rowdata = new JSONObject();
int loader = R.drawable.stub;
try {
rowdata = jsonary.getJSONObject(position);
System.out.println(rowdata);
ImageLoader imgLoader1 = new ImageLoader(getApplicationContext());
ImageView img=(ImageView) row.findViewById(R.id.imgid);
imgLoader.DisplayImage(image_url, loader, img);
TextView nameTxt = (TextView) row.findViewById(R.id.truckname);
TextView idTxt = (TextView) row.findViewById(R.id.id);
TextView minrttv =(TextView) row.findViewById(R.id.minimumRate);
TextView kmrttxt =(TextView) row.findViewById(R.id.kilometerRate);
TextView mindurtv=(TextView) row.findViewById(R.id.minimumDuration);
TextView freewatintim = (TextView) row.findViewById(R.id.freeWaitingTime);
TextView minuterttxt =(TextView) row.findViewById(R.id.minuteRate);
TextView watingchrttv =(TextView)row.findViewById(R.id.waitingCharge);
double freewt=(Double) rowdata.get("freeWaitingTime");
double kmratetxt=(Double) rowdata.get("kilometerRate");
double mindurtxt=(Double) rowdata.get("minimumDuration");
double mindur= mindurtxt/60;
double minkmrttxt=(Double) rowdata.get("minimumKilometer");
double minrttxt=(Double) rowdata.get("minimumRate");
double mintrate=(Double) rowdata.get("minuteRate");
double minutrat=mintrate/60;
double watingchrtxt=(Double) rowdata.get("waitingCharge");
double waitchgunittxt=(Double) rowdata.get("waitingChargeUnit");
nameTxt.setText(rowdata.getString("truckModel"));
minrttv.setText("Rs."+minrttxt+" /-");
kmrttxt.setText("Rs."+kmratetxt+"/km after "+minkmrttxt+"km");
mindurtv.setText("first"+mindur+"hr and "+minkmrttxt+"km");
//minuterttxt.setText(minutrat+"/-");
freewatintim.setText("first "+freewt+"min free");
watingchrttv.setText("RS"+watingchrtxt+"after every "+waitchgunittxt+"min");
}
catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return row;
}
}
private class ServConn extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... params) {
// TODO Auto-generated method stub
System.out.println("do in backgrnd");
HttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet("http://movito.nervov.com/v1/trucks/miniTruckCategories");
httpget.setHeader(HTTP.CONTENT_TYPE, "application/json");
String replyString = "";
try {
HttpResponse response = httpclient.execute(httpget);
replyString = EntityUtils.toString(response
.getEntity());
} catch (ClientProtocolException e) {
System.out.println("ex: " + e);
} catch (IOException e) {
System.out.println("e: " + e);
}
return replyString;
}
@Override
protected void onPostExecute(String result) {
// TODO Auto-generated method stub
super.onPostExecute(result);
System.out.println(result);
result = "{\"data\":"+result+"}";
parsedata(result);
}
@Override
protected void onPreExecute() {}
@Override
protected void onProgressUpdate(Void... values) {}
}
}
try this code I am using Picasso library to populate ImageView
,
if you are using android studio add this library using following code into your gradle file
compile 'com.squareup.picasso:picasso:2.5.2'
use following code,
It is complete example of how you can make a custom ListView
, I didn't include code where you have to get he JSON data from WebService
as i didn't want to make the code complicated, I will write a separate code where i will show how to read the data you are interested in.
XML
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ListView
android:id="@+id/CustomListViewActivity_listView"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
single_item.xml layout
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="50dp"
android:orientation="horizontal">
<TextView
android:id="@+id/single_item_textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:layout_weight="0.5"
android:text="New Text" />
<ImageView
android:id="@+id/single_item_imageView"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_margin="4dp"
android:layout_weight="0.5" />
</LinearLayout>
Code
public class CustomListViewActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_custom_list_view);
ArrayList<SingleItem> singleItems = new ArrayList<>();
singleItems.add(new SingleItem("http://movito.nervov.com/img/ace-hd.png","first Text"));
singleItems.add(new SingleItem("http://movito.nervov.com/img/Movito_Logo_M.png","Second Text"));
singleItems.add(new SingleItem("http://movito.nervov.com/img/ace-hd.png","third Text"));
singleItems.add(new SingleItem("http://movito.nervov.com/img/Movito_Logo_M.png","fourth Text"));
ListView listView = (ListView)findViewById(R.id.CustomListViewActivity_listView);
MyAdapter adapter = new MyAdapter(getApplicationContext(), R.layout.single_item,singleItems);
listView.setAdapter(adapter);
}
private class MyAdapter extends ArrayAdapter {
private ArrayList<SingleItem> singleItems;
private LayoutInflater layoutInflater;
private Context context;
private View single_View;
public MyAdapter(Context context, int resource, ArrayList<SingleItem> singleItems) {
super(context, resource, singleItems);
this.context = context;
this.singleItems = singleItems;
layoutInflater = LayoutInflater.from(this.context);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row = convertView;
ViewHolder holder = null;
if (row == null) {
row = layoutInflater.inflate(R.layout.single_item, parent, false);
holder = new ViewHolder();
holder.textView = (TextView) row.findViewById(R.id.single_item_textView);
holder.imageView = (ImageView) row.findViewById(R.id.single_item_imageView);
row.setTag(holder);
} else {
holder = (ViewHolder) row.getTag();
}
final SingleItem singleItem = singleItems.get(position);
holder.textView.setText("" + singleItem.getText());
Picasso.with(context).load(""+singleItem.getUrl()).into(holder.imageView);
return row;
}
private class ViewHolder {
// Instance Variable (state or data)
TextView textView;
ImageView imageView;
}
}
public class SingleItem {
private String url;
private String text;
public SingleItem() {
}
public SingleItem(String url, String text) {
this.url = url;
this.text = text;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
}
}
Output
As you will see the loading the images from the URL provided to the appropriate ImageView
is taken care by Picasso , do make sure you add the permission for the internet in the AndroidManifest.xml
<uses-permission android:name="android.permission.INTERNET" />
Try to use Glide libreries instead od picasso .It might help full for you.Please look at following link which might help you out. http://inthecheesefactory.com/blog/get-to-know-glide-recommended-by-google/en
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