由於6.0級以後的存儲也需要動態申請讀寫,這裏只貼出關鍵代碼,權限自行申請.
try {
long timestamp = System.currentTimeMillis();
String fileName = "文件名稱";
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
String path = Environment.getExternalStorageDirectory() + "/文件夾名稱/";
File dir = new File(path);
if (!dir.exists()) {
dir.mkdirs();
}
FileOutputStream fos = new FileOutputStream(path + fileName);
fos.write("wo shi nei rong!~ ~".getBytes());
fos.close();
}
} catch (Exception e1) {
e1.printStackTrace();
}
這裏還有一種直接返回路徑的方法,有興趣可以看一下
//獲取到sd卡的根目錄
public static String getSDPath(){
File sdDir = null;
boolean sdCardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED); //判斷sd卡是否存在
if (sdCardExist)
{
sdDir = Environment.getExternalStorageDirectory();//獲取跟目錄
}
return sdDir.toString();
}
用的時候可以這樣調用此方法在後面加上文件名字
getSDPath()+"/revoeye/"