FileOutputStream und BufferReader

1Bisherige Noten:
21.0
31.0
41.0
5[...]

1final static String FILENAME = "marks.txt";
2
3private void loadTestfromFile()
4 {
5 File f = new File(getFilesDir(),FILENAME);
6 try {
7 BufferedReader br = new BufferedReader(new FileReader(f));
8 String line;
9 try {
10 while ((line = br.readLine()) != null)
11 {
12 mNotenHistory.setText(line+"\n"+mNotenHistory.getText());
13 }
14 br.close();
15 } catch (IOException e) {
16 e.printStackTrace();
17 }
18
19
20 } catch (FileNotFoundException e) {
21 e.printStackTrace();
22 }
23 }
24
25[..]
26public void onClick(View view)
27 {
28 if (view.getId()==R.id.btn1calc)
29 {
30 [...]
31 mNotenHistory.setText(mNotenHistory.getText() + "\n" + string_note);
32 String noten_history_string = String.valueOf(mNotenHistory);
33 try {
34 FileOutputStream fo = openFileOutput(FILENAME, Context.MODE_APPEND);
35 fo.write(noten_history_string.getBytes());
36 fo.write("\n".getBytes());
37
38 } catch (FileNotFoundException e) {
39 e.printStackTrace();
40 } catch (IOException e) {
41 e.printStackTrace();
42 }
43}

1if (view.getId()==R.id.btn2reset)
2 {
3
4 mMypoints.setText(null);
5 mErgebnis.setText(null);
6 setImage(5);
7 FileOutputStream writer = new FileOutputStream("file.txt");
8 writer.write(0);
9 writer.close();

16.0
21.0

1\n
21.0
3\n
41.0
56.0

16.0

1private void loadTextfromFile()
2 {
3 File f = new File(getFilesDir(),FILENAME);
4 try {
5 BufferedReader br = new BufferedReader(new FileReader(f));
6 String line;
7 try {
8 while ((line = br.readLine()) != null)
9 {
10 mNotenHistory.setText("\n"+line);
11 }
12 br.close();
13 } catch (IOException e) {
14 e.printStackTrace();
15 }
16 } catch (FileNotFoundException e) {
17 e.printStackTrace();
18 }
19 }

1mNotenHistory.setText(line+"\n"+mNotenHistory.getText());

1mNotenHistory.setText(string_note + "\n" + mNotenHistory.getText().toString());
2fo.write(string_note.getBytes());
3//fo.write(mNotenHistory.getBytes()); -> Brainlagg