在调用前需要判断是否有写入权限
Environment类提供了比较丰富的方法
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static File |
获得android data的目录。 |
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static File |
获得下载缓存目录。 |
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static File |
或者外部存储媒体目录。 |
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static File |
getExternalStoragePublicDirectory(String type) Get a top-level public external storage directory for placing files of a particular type. |
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static String |
获得当前外部储存媒体的状态。 |
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获得android的跟目录。 |
public void saveSDCard(String filename, String filecontent)throws Exception { File file = new File(Environment.getExternalStorageDirectory(),filename); FileOutputStream outStream = new FileOutputStream(file); outStream.write(filecontent.getBytes()); outStream.close(); }