Android新建文件夾
private void openDir() {
File file = new File(file_Path);
if(!file.exists()){
if(file.mkdirs()) //makir()最多只能新建一層,makdirs()可以新建多層
Toast.makeText(getApplicationContext(),"新建成功",Toast.LENGTH_SHORT).show();
else Toast.makeText(getApplicationContext(),"新建失敗",Toast.LENGTH_SHORT).show();
}
else Log.d(TAG,"文件夾已存在");
}