files.readAllLines 出错

Question

我在 android 工作。为了读取文件内容，我使用的是

方法

List<String> lines = Files.readAllLines(wiki_path);

但是当我使用这种方法时，我收到了这个错误：

The method readAllLines(Path) is undefined for the type MediaStore.Files.

为什么编译器找不到方法？

Path wiki_path = Paths.get("C:/tutorial/wiki", "wiki.txt");

try {
    List<String> lines = Files.readAllLines(wiki_path);
    for (String line : lines) {

        if(url.contains(line))
        {
            other.put(TAG_Title, name);
            other.put(TAG_URL, url);
            otherList.add(other);
            break;
        }
    }
}

Answer 1

与method you're trying to use is a member of java.nio.file.Files - but that class (and indeed that package) doesn't exist on Android. Even if the Java 7 version existed, you're trying to use a method introduced in Java 8. The Files class you've imported is android.provider.MediaStore.Files完全不同class。

即使编译成功，您提供的路径看起来也很像 Windows 路径，在 Android 设备上无法运行...

files.readAllLines 出错

Getting error on files.readAllLines

java

android

file.readalllines