txt Datei nach Datum auswählen und anzeigen und Liste aller txt

1package com.geschichten.app;
2import java.io.ByteArrayOutputStream;
3import java.io.IOException;
4import java.io.InputStream;
5import java.util.Calendar;
6import android.app.Activity;
7import android.app.DatePickerDialog;
8import android.app.Dialog;
9import android.os.Bundle;
10import android.view.View;
11import android.widget.Button;
12import android.widget.DatePicker;
13import android.widget.TextView;
14import android.widget.Toast;
15
16public class MainActivity extends Activity {
17
18 /** Private members of the class */
19 private TextView pDisplayDate;
20 private Button pPickDate;
21 private int pYear;
22 private int pMonth;
23 private int pDay;
24 /** This integer will uniquely define the dialog to be used for displaying date picker.*/
25 static final int DATE_DIALOG_ID = 0;
26
27 /** Callback received when the user "picks" a date in the dialog */
28 private DatePickerDialog.OnDateSetListener pDateSetListener =
29 new DatePickerDialog.OnDateSetListener() {
30
31 public void onDateSet(DatePicker view, int year,
32 int monthOfYear, int dayOfMonth) {
33 pYear = year;
34 pMonth = monthOfYear;
35 pDay = dayOfMonth;
36 updateDisplay();
37 displayToast();
38 }
39 };
40
41 /** Updates Datum im TextView */
42 private void updateDisplay() {
43 pDisplayDate.setText(
44 new StringBuilder()
45 // Month is 0 based so add 1
46 .append(pDay + 1).append(".")
47 .append(pMonth).append(".")
48 .append(pYear).append(" "));
49 }
50
51 /** Anzeige, dass Datum geändert ist */
52 private void displayToast() {
53 Toast.makeText(this, new StringBuilder().append("Date choosen is ").append(pDisplayDate.getText()), Toast.LENGTH_SHORT).show();
54
55 }
56
57 /** Called when the activity is first created. */
58 @Override
59 public void onCreate(Bundle savedInstanceState) {
60 super.onCreate(savedInstanceState);
61 setContentView(R.layout.fragment_main);
62
63
64 /** Geschichtenelement anzeigen */
65 TextView babajaga = (TextView) findViewById(R.id.displayText);
66 babajaga.setText(readText());
67 /** Datumselement anzeigen */
68 pDisplayDate = (TextView) findViewById(R.id.displayDate);
69 pPickDate = (Button) findViewById(R.id.pickDate);
70
71 /** Listener for click event of the button */
72 pPickDate.setOnClickListener(new View.OnClickListener() {
73 public void onClick(View v) {
74 showDialog(DATE_DIALOG_ID);
75 }
76 });
77
78 /** Get the current date */
79 final Calendar cal = Calendar.getInstance();
80 pYear = cal.get(Calendar.YEAR);
81 pMonth = cal.get(Calendar.MONTH);
82 pDay = cal.get(Calendar.DAY_OF_MONTH);
83
84 /** Display the current date in the TextView */
85 updateDisplay();
86 }
87
88 /** Create a new dialog for date picker */
89 @Override
90 protected Dialog onCreateDialog(int id) {
91 switch (id) {
92 case DATE_DIALOG_ID:
93 return new DatePickerDialog(this,
94 pDateSetListener,
95 pYear, pMonth, pDay);
96 }
97 return null;
98 }
99
100 private String readText() {
101
102 InputStream inputStream = getResources().openRawResource(
103 R.raw.babajaga);
104
105 ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
106
107 int i;
108 try {
109 i = inputStream.read();
110 while (i != -1) {
111 byteArrayOutputStream.write(i);
112 i = inputStream.read();
113 }
114 inputStream.close();
115 } catch (IOException e) {
116 e.printStackTrace();
117 }
118
119 return byteArrayOutputStream.toString();
120 }
121
122}

1Meldung:
2error: <identifier> expected
3error: illegal start of type
4
5Anzeige (R.java):
6public static final class raw {
7 public static final int 20=0x7f050000;
8 public static final int babajaga=0x7f050001;
9 }