class MyOnClick implements OnClickListener {
@Override public void onClick(View v) {
// 判断sd的状态
// MEDIA_REMOVED:sd卡不存在
// MEDIA_MOUNTED:sd卡存在,但是没有挂载
// MEDIA_CHECKING:sd卡正在遍历
// MEDIA_MOUNTED:sd卡可用
// MEDIA_MOUNTED_READ_ONLY:sd卡可用,但是只读
if (Environment.getExternalStorageState().equals( Environment.MEDIA_MOUNTED)) {
// 用官方给的api获取sd卡的路径
File file = new File(Environment.getExternalStorageDirectory() + "indexs.ini");
String names = name.getText().toString(); String nambers = namber.getText().toString();
try {
// 创建写的实例类
FileOutputStream fos = new FileOutputStream(file);
// 调用写的方法,把数据写的本地 fos.write((names + "&&" + nambers).getBytes());
// 关闭资源
fos.close();
} catch (Exception e) {
// TODO Auto-generated catch block e.printStackTrace();
}
System.out.println("登陆成功!");
}
}
}
// 回显数据的方法 public void huixian() {
// 用官方给的api获取sd卡的路径 File file = new File(Environment.getExternalStorageDirectory() + "indexs.ini");
if (file.exists()) {
try {
// io流转换
FileInputStream fis = new FileInputStream(file);
BufferedReader br = new BufferedReader(new InputStreamReader(fis));
// 读取一行
String str = br.readLine();
// 从&&处分开
String[] s = str.split("&&");
// 设置回显数据
name.setText(s[0]);
namber.setText(s[1]);
br.close();
} catch (Exception e) {
// TODO Auto-generated catch block e.printStackTrace();
}
}
}
}