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POHow to change the sqlite db storage in internal memory
 

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  1. POHow to change the sqlite db storage in internal memory
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    <p>I have created an android application for off line concept. when internet connected data can be sync through server.</p> <p>My tablet pc has more than 5.7GB storage space as internal memory. when I sync data from the server, its reporting an error as out of memory.</p> <p>I think data storage location is changed, its storing some where else. Can anyone resolve this problem? I think some modification to be made in manifest file.</p> <h3>My sync code</h3> <pre><code>public class sync extends Activity implements OnClickListener { private static String url = "Json URL"; // Button Button chktosync, logout_menu; private ProgressDialog pd; DBAdapter db = new DBAdapter(this); JSONArray contacts = null; JSONArray cropdetails = null; JSONArray biodetails = null; String land, area, sf, land_id; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.sync); logout_menu = (Button) findViewById(R.id.logout_menu); logout_menu.setOnClickListener(this); chktosync = (Button) findViewById(R.id.chktosync); chktosync.setOnClickListener(new OnClickListener() { public void onClick(View v) { pd = ProgressDialog.show(sync.this, "Synchronizing", "Synchronizing..."); new Thread() { public void run() { try { processThread(); pestanddisease(); bioparam(); } catch (Exception e) { Log.e("tag", e.getMessage()); } // dismiss the progress dialog pd.dismiss(); } }.start(); } }); } private void processThread() { // Creating JSON Parser instance JSONParser jParser = new JSONParser(); // getting JSON string from URL JSONObject json = jParser.getJSONFromUrl(url); try { // Getting Array of Contacts contacts = json.getJSONArray(loginPage.code); db.open(); // looping through All Contacts for (int i = 0; i &lt; contacts.length(); i++) { JSONObject c = contacts.getJSONObject(i); // Storing each json item in variable String farmerid = c.getString("farmerid"); String farmername = c.getString("farmername"); String farmer_fathername = c.getString("farmer_fathername"); String farmer_mobilenumber = c.getString("farmer_mobilenumber"); String districtname = c.getString("districtname"); String blockname = c.getString("blockname"); String villagename = c.getString("villagename"); db.insertFarmer(farmerid, farmername, farmer_fathername, farmer_mobilenumber, districtname, blockname, villagename); //land details JSONArray Land = c.getJSONArray("land_details"); for (int l = 0; l &lt; Land.length(); l++) { JSONObject s = Land.getJSONObject(l); String survey_no = s.getString("survey_no"); String area = s.getString("area"); String land_type = s.getString("land_type"); String patternref = s.getString("patternref"); String crop_matrix_id = s.getString("crop_matrix"); land_id = s.getString("land_id"); String season1_crop = s.getString("season1_crop"); String season2_crop = s.getString("season2_crop"); String season3_crop = s.getString("season3_crop"); db.insertlanddetails(farmerid, survey_no, area, land_type, patternref, land_id, crop_matrix_id, season1_crop, season2_crop, season3_crop); } db.close(); } catch (JSONException e) { e.printStackTrace(); } } public void pestanddisease() { /// Creating JSON Parser instance JSONParser jParser = new JSONParser(); // getting JSON string from URL JSONObject json = jParser.getJSONFromUrl(pestdisease); try { // Getting Array of Contacts cropdetails = json.getJSONArray("CropDetails"); db.open(); for (int i = 0; i &lt; cropdetails.length(); i++) { JSONObject s = cropdetails.getJSONObject(i); String cropname = s.getString("crop"); String pest = s.getString("pest_name"); String disease = s.getString("disease_name"); db.insertcrop_pest_details(cropname, pest); db.insertcrop_disease_details(cropname, disease); } db.close(); } catch (JSONException e) { e.printStackTrace(); } } } </code></pre> <p><h3>JSONParser code</h3></p> <pre><code>public class JSONParser { static InputStream is = null; static JSONObject jObj = null; static String json = ""; // constructor public JSONParser() { } public JSONObject getJSONFromUrl(String url) { // Making HTTP request try { // defaultHttpClient DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(url); HttpResponse httpResponse = httpClient.execute(httpPost); HttpEntity httpEntity = httpResponse.getEntity(); is = httpEntity.getContent(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } BufferedReader reader; try { reader = new BufferedReader(new InputStreamReader(is,"iso-8859-1"),1048576); StringBuilder sb = new StringBuilder(); String line = null; while ((line = reader.readLine()) != null) { line=reader.readLine(); sb.append(line + "\n"); } is.close(); json = sb.toString(); Log.e("JSON", json); } catch (Exception e) { Log.e("Buffer Error", "Error converting result " + e.toString()); } // try parse the string to a JSON object try { jObj = new JSONObject(json); } catch (JSONException e) { Log.e("JSON Parser", "Error parsing data " + e.toString()); } // return JSON String return jObj; } } </code></pre> <p><br></p> <h3> Log Cat</h3> <pre><code>08-28 02:06:59.199: E/dalvikvm-heap(304): Out of memory on a 9513056-byte allocation. 08-28 02:06:59.446: E/AndroidRuntime(304): Uncaught handler: thread Thread-9 exiting due to uncaught exception 08-28 02:06:59.732: E/AndroidRuntime(304): java.lang.OutOfMemoryError 08-28 02:06:59.732: E/AndroidRuntime(304): at java.lang.AbstractStringBuilder.enlargeBuffer(AbstractStringBuilder.java:97) 08-28 02:06:59.732: E/AndroidRuntime(304): at java.lang.AbstractStringBuilder.append0(AbstractStringBuilder.java:131) 08-28 02:06:59.732: E/AndroidRuntime(304): at java.lang.StringBuilder.append(StringBuilder.java:271) 08-28 02:06:59.732: E/AndroidRuntime(304): at java.io.BufferedReader.readLine(BufferedReader.java:413) 08-28 02:06:59.732: E/AndroidRuntime(304): at com.login.JSONParser.getJSONFromUrl(JSONParser.java:55) 08-28 02:06:59.732: E/AndroidRuntime(304): at com.login.sync.processThread(sync.java:76) 08-28 02:06:59.732: E/AndroidRuntime(304): at com.login.sync.access$1(sync.java:70) 08-28 02:06:59.732: E/AndroidRuntime(304): at com.login.sync$1$1.run(sync.java:57) 08-28 02:07:00.416: I/dalvikvm(304): threadid=7: reacting to signal 3 08-28 02:07:00.416: E/dalvikvm(304): Unable to open stack trace file '/data/anr/traces.txt': Permission denied </code></pre>
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    1. USMadhan Shanmugam
    1. USMadhan Shanmugam
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    1. COLooks your problem is not caused by lack of storage. If you are getting an `OutOfMemoryError` exception, you will need to rework you network connection code to redirect `OutputStream` to file system but not in memory. Post you downloading sync code here would be more helpful.
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      1. USHank
    2. COpost the logcat of the error you are getting too so that we can see the stacktrace
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      1. USbennettaur
    3. COThanks for your advice. Sync is working fine but i can download only 156KB which means 1000 records from the server. If i try to fetch huge data its reports an error of OutOfMemory. I thought it was an error in manifest file. Please advice me. Thanks in advance.
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      1. POHow to change the sqlite db storage in internal memory
      1. USMadhan Shanmugam
 

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