遍历代码如下:
private static String TAG = "MainActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//返回一个SD的文件
File path = Environment.getExternalStorageDirectory();
System.out.println(path.toString());
filePath(path);
}
//遍历SDcard的所有文件.
public void filePath(File file) {
if (file != null && file.exists() && file.isDirectory()) {
File[] files = file.listFiles();
for (File file2 : files) {
if (file2.listFiles() == null) {
String str = "文件名称:" + file2.getName() + " 路径:"+ file2.getPath();
System.out.println(str);
}else
filePath(file2);
}
} else
System.out.println("文件不存在......");
}
调试:
1.使用logcat 过滤System.out标签
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5SM5EmMhNWYzEzM3QjY3ETMyMWM0gTM1QGO5YzMxUTZ08CX0JXZ252bj91Ztl2Lc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
效果如下: