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How to get the files under the specified directory in Android

2025-03-15 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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Most people do not understand the knowledge points of this article "how to get the files in the specified directory in Android", so the editor summarizes the following contents, detailed contents, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "how to get files in a specified directory in Android" article.

The code is as follows:

/ / get the picture resource private List getImagePathFromSD () {/ / Picture list List picList = new ArrayList () from SD card; / / get the path within SD card String imagePath = Environment.getExternalStorageDirectory (). ToString () + "/ image"; / / get all the files under the path folder File mfile = new File (imagePath); File [] files = mfile.listFiles () / / save all files in ArrayList, and filter all image format files for (int I = 0; I < files.length; iTunes +) {File file = files [I]; if (checkIsImageFile (file.getPath () {picList.add (file.getPath ());}} / / return the list of images return picList } / / check the extension to get the file private boolean checkIsImageFile (String fName) {boolean isImageFile = false; / / get the extension String FileEnd = fName.substring (fName.lastIndexOf (".") + 1, fName.length (). ToLowerCase () If (FileEnd.equals ("jpg") | | FileEnd.equals ("gif") | | FileEnd.equals ("png") | | FileEnd.equals ("jpeg") | | FileEnd.equals ("bmp") {isImageFile = true;} else {isImageFile = false;} return isImageFile } the above is about the content of this article on "how to get files in a specified directory in Android". I believe you all have some understanding. I hope the content shared by the editor will be helpful to you. If you want to learn more about the relevant knowledge, please follow the industry information channel.

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