listFiles插件代码提交

ipu-plugin-basic/src/main/java/com/ai/ipu/mobile/plugin/MobileFile.java

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.content.ActivityNotFoundException;
import android.widget.Toast;
		}
		return arr;
	}
	
	/**
	 * 列出指定目录下的文件
	 * @param param 目录
	 * @throws Exception
	 */
	public void listFiles(JSONArray param) throws Exception {
		final String keyType = "type";
		final String keyName = "name";
		String path = param.getString(0);
		String absolutePath = DirectionUtil.getInstance(this.context).getDirection(path, true);
		File dir = new File(absolutePath);
		if (!dir.exists()) {
			this.error("请输入正确文件夹地址");
		} else if (dir.isFile()) {
			this.error("请输入正确文件夹");
		} else {
			File[] files = dir.listFiles();
			JSONArray arr = new JSONArray();
			if (files != null && files.length > 0) {
				int length = files.length;
				for(int i = 0; i < length; ++i) {
					File item = files[i];
					JSONObject jsonItem = new JSONObject();
					jsonItem.put(keyName, item.getName());
					if (item.isFile()) {
						jsonItem.put(keyType, "F");
					} else if (item.isDirectory()) {
						jsonItem.put(keyType, "D");
					}
					arr.put(jsonItem);
				}
			}
			this.callback(arr.toString());
		}
	}
	/**
	 * 打开指定文件
	 */