Laden einer .txt aus der App

...
public class DatenSpeichernActivity extends Activity implements OnClickListener{


	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_daten_speichern);
		...
		Button button5 = (Button) this.findViewById(R.id.button5);
		button5.setOnClickListener(this);
		...	
	}


	@Override
	public void onClick(View v) {
		// TODO Auto-generated method stub
		switch (v.getId()){
	         ...
	 	case R.id.button5	:	//Von mir angefertigte .txt lesen und anzeigen
							
		try {
			Resources res = getResources();
			InputStream testDatei = res.openRawResource(R.raw.test);
			
			FileInputStream eingabeDatei = openFileInput ("test.txt");
			List<Byte> daten = new ArrayList <Byte>();
				
			while (true){
				int b = eingabeDatei.read();
				if ( b == -1){
					break;
				} else {
					daten.add((byte)b);
				}
			}
				
			byte [] bytes = new byte [daten.size()];
			for (int i = 0 ; i < bytes.length ; i++){
				bytes[i] = daten.get(i);
			}
				
			String text = new String (bytes);
				
			Toast.makeText(this, text+" wurde geladen", Toast.LENGTH_LONG).show();
				
			} catch (IOException ex) {
				// TODO: handle exception
			}
			
			break;
		
		
		
	}
	...	
}

try {
	InputStream testDatei = getResources().openRawResource(R.raw.test);
	File datei = new File (getFilesDir(), "test.txt");
	FileReader reader = new FileReader (datei);
	BufferedReader gespeicherteDatei = new BufferedReader(reader);


	//String bauen
									
	StringBuilder sb = new StringBuilder();
	String zeile;
									
	while(true){
		zeile = gespeicherteDatei.readLine();
		if(zeile == null){
			break;
		} else {
			sb.append(zeile);
			sb.append('\n');
		}
	}
	String text = sb.toString();
									
	reader.close();
									
	Toast.makeText(this, text+" wurde geladen mit FileReader", Toast.LENGTH_LONG).show();
									
	} catch (Exception ex) {
	     Log.d("jb","Button4 "+ex.getMessage());
	}