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POlimit run On User interface Thread to just one fragment
 

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    <p>i have a fragment class that i need to refresh a list view in it and i use a Thread but my problem here is that it runs it on other fragments too i mean when i scroll to other fragments it runs this Thread to refresh the list view but there is no list view there so i get a force close!!</p> <p>here is my code:</p> <pre><code>Thread thread = new Thread() { @Override public void run() { try { while(true) { Thread.sleep(2000); getActivity().runOnUiThread(new Runnable() { @Override public void run() { refreshlist(view); } }); } } catch (InterruptedException e) { e.printStackTrace(); } } }; thread.start() </code></pre> <p>So any Help!! Thanks in advance! </p> <p>Update:</p> <pre><code>import java.util.List; import mr.chag.va.lagar.R; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.ListView; import com.actionbarsherlock.app.SherlockFragment; public class caleryhistory extends SherlockFragment { List&lt;calery_lagari&gt; Calery_lagari; calery_lagari_SQLiteData data; ArrayAdapter&lt;calery_lagari&gt; adapter; public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.calery_history, null); return v; } @Override public void onViewCreated(final View view, Bundle savedInstanceState) { data = new calery_lagari_SQLiteData(getActivity()); data.open(); Calery_lagari = data.findall(); adapter = new calery_lagari_history_adapter(getActivity(), Calery_lagari); final ListView listView = (ListView) view.findViewById(android.R.id.list); listView.setAdapter(adapter); adapter.notifyDataSetChanged(); listView.invalidateViews(); adapter.notifyDataSetChanged(); Button b = (Button) view.findViewById(R.id.button1); b.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { data.db.delete(calery_lagari_SQLiteOpenHelper.TABLE_calery, null, null); refreshlist(view); } }); Thread thread = new Thread() { @Override public void run() { try { while(true) { Thread.sleep(2000); caleryhistory.this.getActivity().runOnUiThread(new Runnable() { @Override public void run() { Calery_lagari = data.findall(); refreshlist(view); } }); } } catch (InterruptedException e) { e.printStackTrace(); } } }; thread.start(); super.onViewCreated(view, savedInstanceState); } public void refreshlist(View view) { Calery_lagari = data.findall(); adapter = new calery_lagari_history_adapter(getActivity(), Calery_lagari); ListView listView = (ListView) view.findViewById(android.R.id.list); listView.setAdapter(adapter); } } </code></pre>
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    1. COThe refreshList() method is inside the main activity? You should use an interface to do this job.Please post the code where the thread is included in.
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    2. CO@TheRedFox I have updated the question
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    3. COSorry but why are you using android.R.id.list?
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      1. USTheRedFox
 

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