我想生成一个xml文件.保存用户操作的数据.
OutputStream os = openFileOutput(path, MODE_PRIVATE);
OutputStreamWriter osw = new OutputStreamWriter(os);
osw.write(txt);
osw.close();
os.close();
总是无法创建?
OutputStream os = openFileOutput(path, MODE_PRIVATE);
OutputStreamWriter osw = new OutputStreamWriter(os);
osw.write(txt);
osw.close();
os.close();
总是无法创建?
byte[] b = new byte[1024];
fos.write(" ".getBytes());
fos.flush();
fos.close();
this就是Activity有异常,需要捕捉