1 /**
 2      * 登陆
 3      * 
 4      * @param view
 5      */
 6     public void login(View view) {
 7         String name = et_name.getText().toString();
 8         String pass = et_pass.getText().toString();
 9 
10         CheckBox cb = (CheckBox) findViewById(R.id.cb);
11         if (cb.isChecked()) {
12             if (Environment.MEDIA_MOUNTED.equals(Environment
13                     .getExternalStorageState())) {
14                 File file = new File(Environment.getExternalStorageDirectory(),
15                         "info.txt");
16                 try {
17                     FileOutputStream fos = new FileOutputStream(file);
18                     fos.write((name + "##" + pass).getBytes());
19                     Toast.makeText(this, "登陆成功", 0).show();
20                     fos.close();
21                 } catch (Exception e) {
22                     Toast.makeText(this, "登陆失败", 0).show();
23                     e.printStackTrace();
24                 }
25             }
26         } else {
27             Toast.makeText(this, "亲，你没有记住用户名和密码啊", 0).show();
28         }
29     }
30 
31     /**
32      * 记住用户名和密码
33      */
34     public void readAccount() {
35         File file = new File(Environment.getExternalStorageDirectory(),
36                 "info.txt");
37         FileInputStream fis;
38         if (file.exists()) {
39             try {
40                 fis = new FileInputStream(file);
41                 BufferedReader br = new BufferedReader(new InputStreamReader(
42                         fis));
43                 String text = br.readLine();
44                 String[] strings = text.split("##");
45                 et_name.setText(strings[0]);
46                 et_pass.setText(strings[1]);
47             } catch (Exception e) {
48                 e.printStackTrace();
49             }
50         } else {
51             Toast.makeText(this, "没有找到文件", 0).show();
52         }
53     }