获取sdcard资料

获取sdcard文件

权限：<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />

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// ------------------获取sdcard信息------------------------------private void readFile() {File file = Environment.getExternalStorageDirectory();File[] files = file.listFiles();readFile(files);}private void readFile(File[] files) {if (files != null && files.length > 0) {for (int i = 0; i < files.length; i++) {// if (files[i].isDirectory()) {// readFile(files[i].listFiles());// } else {parseFile(files[i]);// }if (i == files.length - 1) {}}}}private void parseFile(File file) {String fileName = file.getName();String filePath = file.getPath();Map<String, String> map = new HashMap<String, String>();map.put("fileName", fileName);map.put("filePath", filePath);data.add(map);}