Android：获取指定文件夹内的所有图片

 1 public static List<String> getFilesAllName(String path){
 2     //传入指定文件夹的路径
　　　　File file = new File(path);
 3     File[] files = file.listFiles();
 4     List<String> imagePaths = new ArrayList<>();
 5     for(int i = 0; i < files.length; i++){
 6         if(checkIsImageFile(files[i].getPath())){
 7             imagePaths.add(files[i].getPath());
 8         }
 9 
10     }
11     return imagePaths;
12 }
13 
14 /**
15  * 判断是否是照片
16  */
17 public static boolean checkIsImageFile(String fName){
18     boolean isImageFile = false;
19     //获取拓展名
20     String fileEnd = fName.substring(fName.lastIndexOf(".") + 1,
21             fName.length()).toLowerCase();
22     if(fileEnd.equals("jpg") || fileEnd.equals("png") || fileEnd.equals("gif")
23             || fileEnd.equals("jpeg")|| fileEnd.equals("bmp")){
24         isImageFile = true;
25     }else{
26         isImageFile = false;
27     }
28     return isImageFile;
29 }