Paul Mcilwaine
Digital Stampede
In the UpdaterService class onCreate method the books gets us to link back to the YambaApplication class which we cast from Application to YambaApplication, however in the onCreate method when running a ClassCastException is thrown.
my onCreate method
Code:
@Override
public void onCreate()
{
super.onCreate();
this.yamba = (YambaApplication) this.getApplication();
this.updater = new Updater();
Log.d(TAG, "onCreated");
}
However doing a similar thing in the StatusActivity class is fine, what have I missed that would cause it to fail during the creation of the thread ?
If I don't cast it I can pull the Application class in so something is wrong with the YambaApplication class as far as I can tell.
YambaApplication class
Code:
package com.marakana.yamba;
import winterwell.jtwitter.Twitter;
import android.app.Application;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.preference.PreferenceManager;
import android.text.TextUtils;
import android.util.Log;
public class YambaApplication extends Application implements
OnSharedPreferenceChangeListener
{
private static final String TAG = YambaApplication.class.getSimpleName();
private SharedPreferences prefs;
private boolean serviceRunning;
public Twitter twitter;
public boolean isServiceRunning()
{
return serviceRunning;
}
public void setServiceRunning(boolean serviceRunning)
{
this.serviceRunning = serviceRunning;
}
@Override
public void onCreate()
{
super.onCreate();
this.prefs = PreferenceManager.getDefaultSharedPreferences(this);
this.prefs.registerOnSharedPreferenceChangeListener(this);
Log.i(TAG, "onCreated");
}
@Override
public void onTerminate()
{
super.onTerminate();
Log.i(TAG, "onTerminated");
}
public synchronized Twitter getTwitter()
{
if ( this.twitter == null )
{
String username = this.prefs.getString("username","");
String password = this.prefs.getString("password", "");
String apiRoot = this.prefs.getString("apiRoot","http://yambda.marakana.com/api");
if ( !TextUtils.isEmpty(username) && !TextUtils.isEmpty(password) &&
!TextUtils.isEmpty(apiRoot) )
{
this.twitter = new Twitter(username,password);
this.twitter.setAPIRootUrl(apiRoot);
}
}
return this.twitter;
}
public synchronized void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key)
{
this.twitter = null;
}
}
Marko Gargenta
@MarkoGargenta
Marakana, Inc.
You need to remember to add android:name=".YambaApplication" to your <application ...> tag in AndroidManifest.xml. That should get rid of the ClassCastException.
Marko
