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	Impl実装 WIP
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			@ -3,6 +3,7 @@ package one.nem.lacerta.source.file.impl;
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import android.graphics.Bitmap;
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import java.nio.file.Path;
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import java.util.Arrays;
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import java.util.List;
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import javax.inject.Inject;
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			@ -19,7 +20,12 @@ public class FileManagerImpl implements FileManager {
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    // Internal Methods
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    private Path convertPath(String path) {
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        return null;
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        Path convertedPath = currentDir.resolve(path);
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        if (convertedPath.startsWith(rootDir)) { // 異常なパスの場合はnullを返す // TODO-rca: エラーハンドリング
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            return convertedPath;
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        } else {
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            return null;
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        }
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    }
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    @Inject
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			@ -29,27 +35,28 @@ public class FileManagerImpl implements FileManager {
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    @Override
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    public Path getRootDir() {
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        return null;
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        return rootDir;
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    }
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    @Override
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    public void changeDir(String dirName) {
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        this.currentDir = rootDir.resolve(dirName);
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    }
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    @Override
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    public void backDir() {
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        this.currentDir = currentDir.getParent();
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    }
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    @Override
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    public void backRootDir() {
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        this.currentDir = rootDir;
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    }
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    @Override
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    public List<String> getDirList() {
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        return null;
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        // currentDirにあるディレクトリの一覧を返す
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        return Arrays.asList(currentDir.toFile().list());
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    }
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    @Override
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