导读：String filename = myfile; String string = Hello world!; FileOutputStream outputStream; try { outputStream = openFileOutput(filename, Context.MODE_PRIVATE); outputStream.write(string.getBytes()); outputStream.close(); } catch (Exception e)...
String filename = "myfile";
String string = "Hello world!";
FileOutputStream outputStream;
try {
outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
outputStream.write(string.getBytes());
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
<manifest ...>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
...
</manifest>
