TTApplication.java

package nl.rhinofly.twelvetalk;

import android.app.Application;
import android.content.SharedPreferences;
import android.content.SharedPreferences.*;
import android.preference.PreferenceManager;
import android.text.Layout;
import android.text.method.ScrollingMovementMethod;
import android.util.Log;
import android.widget.TextView;
import android.view.View;

import android.widget.TextView;

public class TTApplication extends Application implements OnSharedPreferenceChangeListener{

	private SharedPreferences prefs;
	private View view;
	private TextView logView = null;
	
	static final String TAG = TTApplication.class.getSimpleName(); ; 
	
	@Override
	public void onCreate() { //
		super.onCreate();
		this.prefs = PreferenceManager.getDefaultSharedPreferences(this); 
		this.getPrefs().registerOnSharedPreferenceChangeListener(this); 
	
	}
	@Override
	public void onTerminate() { //
		super.onTerminate();
		Log.i(TAG, "onTerminated"); }

	@Override
	public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
			String key) {
		// TODO Auto-generated method stub
		
	} 
	public SharedPreferences getPrefs() {
		return prefs;
	}
	
	public void log(String message){
		this.doLog(TAG,message);
	}
	public void log(String customTAG, String message){
		this.doLog(customTAG, message);
	}
	private void doLog(String TAG, String message){
		if (this.getLogView() != null){
			this.appendTextAndScroll(message);
		
		}
		
		Log.i(TAG, message);
	}
	
	public TextView getLogView() {
		return logView;
	}
	public void setLogView(TextView logView) {
		this.logView = logView;
		
		this.getLogView().setMovementMethod(new ScrollingMovementMethod());
	}
	private void appendTextAndScroll(String text)
	{
	    if(logView != null){
	    	logView.append(text + "\n");
	        final Layout layout = logView.getLayout();
	        if(layout != null){
	            int scrollDelta = layout.getLineBottom(logView.getLineCount() - 1) 
	                - logView.getScrollY() - logView.getHeight();
	            if(scrollDelta > 0)
	            	logView.scrollBy(0, scrollDelta);
	        }
	    }
	}
}