源代码备份

app/src/main/java/com/arialyy/simple/common/DialogModule.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.simple.common;
+
+import android.text.TextUtils;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.frame.base.BaseViewModule;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+public class DialogModule extends BaseViewModule {
+
+  private MutableLiveData<List<File>> mDirs = new MutableLiveData<>();
+
+  /**
+   * 获取指定目录下的文件夹
+   *
+   * @param path 指定路径
+   */
+  LiveData<List<File>> getDirs(String path) {
+    if (TextUtils.isEmpty(path)) {
+      ALog.e(TAG, "路径为空");
+      return mDirs;
+    }
+    if (!path.startsWith("/")) {
+      ALog.e(TAG, "路径错误");
+      return mDirs;
+    }
+    File file = new File(path);
+    File[] files = file.listFiles();
+    List<File> data = new ArrayList<>();
+    for (File f : files) {
+      if (f.isDirectory()) {
+        data.add(f);
+      }
+    }
+    mDirs.postValue(data);
+
+    return mDirs;
+  }
+}