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Android - มีปัญหาเรื่องของ การยัดค่าเข้า ListView อะคับ มันเออเร่อตรงเก็ตไซอะคับ |
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Code (Android-Java)
package com.estimote.examples.demos;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
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.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransportSE;
import org.xmlpull.v1.XmlPullParserException;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.StrictMode;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Menu;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class SearchActivity extends Activity {
public static final int DIALOG_DOWNLOAD_JSON_PROGRESS = 0;
private ProgressDialog mProgressDialog;
ArrayList<HashMap<String, Object>> MyArrList;
private final String NAMESPACE = "xxxxxx";
private final String URL = "xxxxxxxx"; // WSDL
// URL
private final String SOAP_ACTION = "xxxxxxx";
private final String METHOD_NAME = "xxxxxx"; // Method on web
@SuppressLint("NewApi")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_search);
// Permission StrictMode
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
.permitAll().build();
StrictMode.setThreadPolicy(policy);
}
// Download JSON File
new DownloadJSONFileAsync().execute();
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_DOWNLOAD_JSON_PROGRESS:
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage("Downloading.....");
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
mProgressDialog.setCancelable(true);
mProgressDialog.show();
return mProgressDialog;
default:
return null;
}
}
// Show All Content
public void ShowAllContent() {
// listView1
final ListView lstView1 = (ListView) findViewById(R.id.listView1);
lstView1.setAdapter(new ImageAdapter(SearchActivity.this, MyArrList));
}
public class ImageAdapter extends BaseAdapter {
private Context context;
private ArrayList<HashMap<String, Object>> MyArr = new ArrayList<HashMap<String, Object>>();
public ImageAdapter(Context c,
ArrayList<HashMap<String, Object>> myArrList) {
// TODO Auto-generated method stub
context = c;
MyArr = myArrList;
}
public int getCount() {
// TODO Auto-generated method stub
return MyArr.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
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
convertView = inflater.inflate(R.layout.activity_column, null);
}
ImageView imageView = (ImageView) convertView
.findViewById(R.id.imgShop);
imageView.getLayoutParams().height = 300;
imageView.getLayoutParams().width = 300;
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
try {
imageView.setImageBitmap((Bitmap) (MyArr.get(position)
.get("image")));
} catch (Exception e) {
// When Error
imageView
.setImageResource(android.R.drawable.ic_menu_report_image);
}
// ColPosition
TextView txtPosition = (TextView) convertView
.findViewById(R.id.txtshopname);
txtPosition.setPadding(10, 0, 0, 0);
txtPosition.setText(MyArr.get(position).get("shop_name")
+ System.getProperty("line.separator")
+ MyArr.get(position).get("shop_detail"));
// ColPicname
// TextView txtPicName = (TextView)
// convertView.findViewById(R.id.txtshopdetail);
// txtPicName.setPadding(50, 0, 0, 0);
// txtPicName.setText(MyArr.get(position).get("shop_detail"));
return convertView;
}
}
// Download JSON in Background
public class DownloadJSONFileAsync extends AsyncTask<String, Void, Void> {
protected void onPreExecute() {
super.onPreExecute();
showDialog(DIALOG_DOWNLOAD_JSON_PROGRESS);
}
@Override
protected Void doInBackground(String... params) {
// TODO Auto-generated method stub
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
request.addProperty("keyword", "");
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER11);
envelope.setOutputSoapObject(request);
HttpTransportSE androidHttpTransport = new HttpTransportSE(URL);
try {
androidHttpTransport.call(SOAP_ACTION, envelope);
SoapObject result2 = (SoapObject) envelope.bodyIn;
Log.d("test", "allservice" + result2.getProperty(0).toString());
if (result2 != null) {
final ArrayList<HashMap<String, String>> MyArrList = new ArrayList<HashMap<String, String>>();
HashMap<String, String> map;
JSONObject json = new JSONObject(result2.getProperty(0)
.toString());
Log.d("test", "obj: " + json);
JSONArray data2 = json.getJSONArray("shop");
Log.d("test", "arr: " + data2.length());
for (int i = 0; i < data2.length(); i++) {
JSONObject c = data2.getJSONObject(i);
map = new HashMap<String, String>();
map.put("image", c.getString("image"));
map.put("shop_name", c.getString("shop_name"));
map.put("shop_detail", c.getString("shop_detail"));
MyArrList.add(map);
}
// OnClick
} else {
Toast.makeText(getApplicationContext(),
"Web Service not Response!", Toast.LENGTH_LONG)
.show();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (XmlPullParserException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
protected void onPostExecute(Void unused) {
ShowAllContent(); // When Finish Show Content
dismissDialog(DIALOG_DOWNLOAD_JSON_PROGRESS);
removeDialog(DIALOG_DOWNLOAD_JSON_PROGRESS);
}
}
/***** Get Image Resource from URL (Start) *****/
private static final String TAG = "Image";
private static final int IO_BUFFER_SIZE = 4 * 1024;
public static Bitmap loadBitmap(String url) {
Bitmap bitmap = null;
InputStream in = null;
BufferedOutputStream out = null;
try {
in = new BufferedInputStream(new URL(url).openStream(),
IO_BUFFER_SIZE);
final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
copy(in, out);
out.flush();
final byte[] data = dataStream.toByteArray();
BitmapFactory.Options options = new BitmapFactory.Options();
// options.inSampleSize = 1;
bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,
options);
} catch (IOException e) {
Log.e(TAG, "Could not load Bitmap from: " + url);
} finally {
closeStream(in);
closeStream(out);
}
return bitmap;
}
private static void closeStream(Closeable stream) {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
android.util.Log.e(TAG, "Could not close stream", e);
}
}
}
private static void copy(InputStream in, OutputStream out)
throws IOException {
byte[] b = new byte[IO_BUFFER_SIZE];
int read;
while ((read = in.read(b)) != -1) {
out.write(b, 0, read);
}
}
/***** Get Image Resource from URL (End) *****/
}
public int getCount() {
// TODO Auto-generated method stub
return MyArr.size();
}
ดูใน logcat มันบอกว่า ตรงนี้มันมีค่าเป็น null ซึ่ง ตอนโหลดเซอวิส ดาต้าก็ได้ครบ แล้วมีปัญหาตอนจะยัดค่าให้ listview
Tag : Mobile
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Date :
2014-02-24 20:00:08 |
By :
kaisiamza |
View :
1261 |
Reply :
1 |
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น่าจะเป็น myArrList.Size() น่ะครับ
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Date :
2014-02-25 09:00:13 |
By :
mr.win |
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Load balance : Server 02
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