Android Open Source - friendica-for-android Preferences Activity

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License

The source code is released under:
This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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Java Source Code

package de.wikilab.android.friendica01.activity;
//from w  ww . j  a v  a 2 s  . co m
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.URI;
import java.util.Arrays;
import java.util.List;

import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceActivity;
import android.preference.PreferenceCategory;
import android.preference.PreferenceManager;
import android.provider.Settings;

import com.google.android.gcm.GCMRegistrar;

import de.wikilab.android.friendica01.Max;
import de.wikilab.android.friendica01.R;
import de.wikilab.android.friendica01.R.xml;

public class PreferencesActivity  extends PreferenceActivity implements OnSharedPreferenceChangeListener  {
  private static final String TAG="Friendica/PreferencesActivity";
  
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Load the preferences from an XML resource
        addPreferencesFromResource(R.xml.prefs_main);
        PreferenceManager.setDefaultValues(PreferencesActivity.this, R.xml.prefs_main, false);

        for(int i=0;i<getPreferenceScreen().getPreferenceCount();i++){
          initSummary(getPreferenceScreen().getPreference(i));
        }
        
        Preference p2 = findPreference("proxy_info");
        
        ProxySelector defaultProxySelector = ProxySelector.getDefault();
        List<Proxy> proxyList = defaultProxySelector.select(URI.create(Max.getServer(this)));
        
        //String ProxyIp = Proxy.getHost(PreferencesActivity.this);
    //int ProxyPort = Proxy.getPort(PreferencesActivity.this);
        if (proxyList.size() == 0 || proxyList.get(0).address() == null) {
          p2.setSummary("Zur Zeit wird kein Proxy verwendet.");
    } else {
      p2.setSummary("Der Proxy " +  proxyList.get(0).address().toString() + " wird verwendet.");
    }
    
        p2.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
      @Override
      public boolean onPreferenceClick(Preference arg0) {
              startActivity(new Intent(Settings.ACTION_WIFI_IP_SETTINGS));
        return true;
      }
        });

        final CheckBoxPreference p_notifPull = (CheckBoxPreference) findPreference("notification_pullenable");
        final CheckBoxPreference p_notifPush = (CheckBoxPreference) findPreference("notification_pushenable");
        
        p_notifPull.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
      @Override
      public boolean onPreferenceChange(Preference preference, Object newValue) {
        restartTimer(newValue.equals(true));
        if (newValue.equals(true)) p_notifPush.setChecked(false);
        return true;
      }
    });
        
        
        p_notifPush.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
      @Override
      public boolean onPreferenceChange(Preference preference, Object newValue) {
        if (newValue.equals(true)) {
          GCMRegistrar.register(PreferencesActivity.this, HomeActivity.SENDER_ID);
          p_notifPull.setChecked(false);
        } else {
          GCMRegistrar.unregister(PreferencesActivity.this);
        }
        return true;
      }
    });
        
        Preference p_notifReregister = findPreference("notification_pushreregister");
        p_notifReregister.setOnPreferenceClickListener(new OnPreferenceClickListener() {
          @Override
          public boolean onPreferenceClick(Preference preference) {
        GCMRegistrar.register(PreferencesActivity.this, HomeActivity.SENDER_ID);
            return true;
          }
    });
    }

    private void restartTimer(boolean runMode) {
      Max.cancelTimer(this);
        if (runMode) {
          Max.runTimer(this);
        }
    }

    @Override 
    protected void onResume(){
        super.onResume();
        // Set up a listener whenever a key changes             
        getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
    }

    @Override 
    protected void onPause() { 
        super.onPause();
        // Unregister the listener whenever a key changes             
        getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);     
    }


  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
      String key) {
    // TODO Auto-generated method stub
    updatePrefSummary(findPreference(key));

  } 
  
  @Override
  protected void onListItemClick(android.widget.ListView l, android.view.View v, int position, long id) {
    super.onListItemClick(l, v, position, id);
    
  };

    private void initSummary(Preference p){
       if (p instanceof PreferenceCategory){
            PreferenceCategory pCat = (PreferenceCategory)p;
            for(int i=0;i<pCat.getPreferenceCount();i++){
                initSummary(pCat.getPreference(i));
            }
        }else{
            updatePrefSummary(p);
        }

    }

    private void updatePrefSummary(Preference p){
        if (p instanceof ListPreference) {
            ListPreference listPref = (ListPreference) p; 
            p.setSummary(listPref.getEntry()); 
        }
        if (p instanceof EditTextPreference) {
            EditTextPreference editTextPref = (EditTextPreference) p;
            String txt = editTextPref.getText();
            if (p.getKey().equals("login_password") && txt != null) txt = repeatChar('*', txt.length());
            p.setSummary(txt);
        }

    }
    
    String repeatChar(char s, int c) {
      char[] a = new char[c];
      Arrays.fill(a, s);
      return new String(a);
    }

}
Java Source Code List
