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POdisplay Image from json android
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  1. POdisplay Image from json android
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    copied!<p>Hi i have problem when parsing image from json. i can display textview from json but the image not shown.</p> <p>here the code</p> <pre><code> package com.testimage; import java.io.BufferedInputStream; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.net.URLConnection; import java.util.ArrayList; import java.util.HashMap; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.app.ProgressDialog; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.widget.ImageView; import android.widget.TextView; public class DetailPeta extends Activity { ArrayList&lt;HashMap&lt;String, String&gt;&gt; dataMap = new ArrayList&lt;HashMap&lt;String, String&gt;&gt;(); private ProgressDialog pDialog; JSONParser jParser = new JSONParser(); JSONArray str_json = null; Koneksi lo_Koneksi = new Koneksi(); String isi = lo_Koneksi.isi_koneksi(); String link_url = isi + "detail.php"; TextView judul_set, keterangan_set, tanggal_set; ImageView gambar_set; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.detail_peta); keterangan_set = (TextView) findViewById(R.id.keterangan); judul_set = (TextView) findViewById(R.id.judul); tanggal_set = (TextView) findViewById(R.id.tanggal); gambar_set = (ImageView) findViewById(R.id.gambar); Bundle b = getIntent().getExtras(); String nama = b.getString("nama"); link_url = isi + "detail.php?nama="+nama; new getListInfo().execute(); } class getListInfo extends AsyncTask&lt;String, String, String&gt; { @Override protected void onPreExecute() { super.onPreExecute(); pDialog = new ProgressDialog(DetailPeta.this); pDialog.setMessage("Menghubungkan ke server..."); pDialog.setIndeterminate(false); pDialog.setCancelable(true); pDialog.show(); } protected String doInBackground(String... args) { JSONObject json = jParser.AmbilJson(link_url); try { str_json = json.getJSONArray("info"); for(int i = 0; i &lt; str_json.length(); i++) { JSONObject ar = str_json.getJSONObject(i); HashMap&lt;String, String&gt; map = new HashMap&lt;String, String&gt;(); map.put("nama", ar.getString("nama")); map.put("lat", ar.getString("lat")); map.put("lng", ar.getString("lng")); map.put("Tanggal", ar.getString("Tanggal")); map.put("deskrpsi", ar.getString("deskripsi")); map.put("gambar", ar.getString("gambar")); dataMap.add(map); } } catch (JSONException e) { e.printStackTrace(); } return null; } protected void onPostExecute(String file_url) { pDialog.dismiss(); runOnUiThread(new Runnable() { public void run() { for (int i = 0; i &lt; dataMap.size(); i++) { HashMap&lt;String, String&gt; map = new HashMap&lt;String, String&gt;(); map = dataMap.get(i); judul_set.setText(map.get("nama")); keterangan_set.setText(map.get("deskrpsi")); tanggal_set.setText(map.get("Tanggal")); new DownloadImagesTask().execute(isi+"detil.php"+map.get("gambar")); } } }); } } public class DownloadImagesTask extends AsyncTask&lt;String, Void, Bitmap&gt; { @Override protected Bitmap doInBackground(String... urls) { return download_Image(urls[0]); } @Override protected void onPostExecute(Bitmap result) { gambar_set.setImageBitmap(result); } private Bitmap download_Image(String url) { Bitmap bm = null; try { URL aURL = new URL(url); URLConnection conn = aURL.openConnection(); conn.connect(); InputStream is = conn.getInputStream(); BufferedInputStream bis = new BufferedInputStream(is); bm = BitmapFactory.decodeStream(bis); bis.close(); is.close(); } catch (IOException e) { Log.e("Hub","Error getting the image from server : " + e.getMessage().toString()); } return bm; } } } </code></pre> <p>i can parsing text from nama and keterangan, but image not shown.</p> <p>display_detail.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:padding="10dp" &gt; &lt;ScrollView android:layout_width="fill_parent" android:layout_height="wrap_content" &gt; &lt;LinearLayout android:layout_height="wrap_content" android:layout_width="fill_parent" android:orientation="vertical" &gt; &lt;TextView android:text="" android:layout_height="wrap_content" android:id="@+id/judul" android:textSize="20sp" android:textColor="#000" android:layout_width="fill_parent" &gt; &lt;/TextView&gt; &lt;ImageView android:layout_height="200dp" android:id="@+id/gambar" android:layout_width="fill_parent" &gt; &lt;/ImageView&gt; &lt;TextView android:text="" android:layout_height="wrap_content" android:id="@+id/keterangan" android:textSize="14sp" android:textColor="#000" android:layout_width="fill_parent" &gt; &lt;/TextView&gt; &lt;/LinearLayout&gt; &lt;/ScrollView&gt; &lt;/LinearLayout&gt; </code></pre> <p>Please help me solving this problem</p>
 

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