//创建文件夹
File destDir = new File(“/data/data/[your path]/temp”);
if (!destDir.exists()) {
destDir.mkdirs();
}
//首先判断sdcard是否插入
String status = Environment.getExternalStorageState();
if (status.equals(Environment.MEDIA_MOUNTED)) {
return true;
} else {
return false;
}