Android Open Source - UANET_Android Pod Settings Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.voidcode.diasporawebclient;
/*w  w  w  . j a  v a2s .  co m*/
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;

import org.json.JSONArray;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Toast;

public class PodSettingsActivity extends Activity {
  public static final String SETTINGS_FILENAME="settings";
  public ListView lvPods;
  public String lvPods_arr[];
  private EditText editTextCurrentpod;
  JSONArray jsonArray;
  @Override
    public void onCreate(Bundle savedInstanceState) {
        if(isNetworkAvailable())
        { 
        try {
          //load pods from poduptime.me as a AsyncTask
          
          lvPods_arr = new getPodlistTask(this).execute().get();
          
          Log.i("lvPods_arr", String.valueOf(lvPods_arr.length) );
          
          super.onCreate(savedInstanceState);
              setContentView(R.layout.podsettings);
          
          //load elements from layout file podsettings.xml
          editTextCurrentpod = (EditText) findViewById(R.id.editText_currentpod);       
              lvPods = (ListView) findViewById(R.id.listView_poduptime);
                    
              //show the currentpod to user
              SharedPreferences preferences = getSharedPreferences(SETTINGS_FILENAME, MODE_PRIVATE);
              editTextCurrentpod.setText(preferences.getString("currentpod", "You need to choose a pod"));
              editTextCurrentpod.selectAll();
              
              //check if user have be get the dialog info box
              if(preferences.getBoolean("has_show_dialog", false) == false)
              {
                final AlertDialog.Builder alert = new AlertDialog.Builder(this);
            alert.setTitle(R.string.podsettings_dialog_title);
            alert.setMessage(R.string.podsettings_dialog_text);
            alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int whichButton) {
              }
            });
            alert.show();
            //this ensure the user only see the dialogbox ones
            SharedPreferences.Editor editor = preferences.edit();
            editor.putBoolean("has_show_dialog", true);
            editor.commit();
              }
              
              //fill listview with pods form http://podupti.me
              fillListview(this.lvPods_arr);
              
              //podsearch, A fast find search on editTextCurrentpod, So user don?t have to scholl the podlist to finde a pod 
              editTextCurrentpod.addTextChangedListener(new TextWatcher() 
              { 
                List<String> filter_podurl_list = null;
              public void beforeTextChanged(CharSequence s, int start, int count, int after) 
              {
              }
              public void onTextChanged(CharSequence s, int start, int before, int count) 
              {
                filter_podurl_list=new ArrayList<String>();
                for(String podurl:lvPods_arr)
                {
                  if(podurl.startsWith(s.toString()))
                  {
                    filter_podurl_list.add(podurl);
                  }
                 }
              }
            public void afterTextChanged(Editable s) 
            {
              ///add reslut to listview
              if(!filter_podurl_list.equals(null))
                fillListview(filter_podurl_list.toArray(new String[filter_podurl_list.size()]));
            }
          });
        
        } catch (InterruptedException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        } catch (ExecutionException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }  
        }
        else //user have NO internet
        {
          this.finish();
        startActivity(new Intent(this, SetupInternetActivity.class));
        }
    }
  public void fillListview(String _lvPods_arr[])
  {
        lvPods.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, _lvPods_arr));
        lvPods.setOnItemClickListener(new OnItemClickListener(){
      public void onItemClick(AdapterView<?> a, View v, int position, long id) {
        //onclick put select pod to editTextCurrentpod   
          editTextCurrentpod.setText(lvPods.getItemAtPosition(position).toString());
      }
        });
  }
  //Screen orientation crashes app fix
  //http://jamesgiang.wordpress.com/2010/06/05/screen-orientation-crashes-my-app/
  @Override
  public void onConfigurationChanged(Configuration newConfig) 
  {
    super.onConfigurationChanged(newConfig);
  } 
  // Handle the Back button
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent msg){
        if((keyCode == KeyEvent.KEYCODE_BACK))
        {
            this.finish();
            startActivity(new Intent(this, MainActivity.class));
          return false;
        }
        else
            return true;
    }
  public void Onclick_SaveSettings(View v) throws IOException
  {
    //get userinput
    String new_currentpod = editTextCurrentpod.getText().toString();
    //if user has added a pod
    if(!new_currentpod.equals(""))
    {
      // Save the new currentpod
      SharedPreferences preferences = getSharedPreferences(SETTINGS_FILENAME, MODE_PRIVATE);
      SharedPreferences.Editor editor = preferences.edit();
      editor.putString("currentpod", new_currentpod);
      editor.commit();
      //goto MainActivity
      this.finish();
      startActivity(new Intent(this, MainActivity.class));
    }
    else
      Toast.makeText(getApplicationContext(), "You need to choose a pod", Toast.LENGTH_SHORT).show();
  }
  //simple json parsing, to retrieve list of pods from podupti.me
  //https://github.com/voidcode/Diaspora-Webclient/pull/4
  //by: https://github.com/vipulnsward
  
  private boolean isNetworkAvailable()
  {
    
    ConnectivityManager connec = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo mobileInfo = connec.getNetworkInfo(0);
    NetworkInfo wifiInfo = connec.getNetworkInfo(1);
    NetworkInfo wimaxInfo = connec.getNetworkInfo(6);
    
    //fix to bug 14 by vrthra: https://github.com/voidcode/Diaspora-Webclient/issues/14
    boolean bm = false;
    boolean bw = false;
    boolean bx = false;
    if (mobileInfo != null) bm = mobileInfo.isConnected();
    if (wimaxInfo != null) bx = wimaxInfo.isConnected();
    if (wifiInfo != null) bw = wifiInfo.isConnected();
    return (bm || bw || bx);
  }
}

Java Source Code List

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