Android delete folder and files

The Easiest Tutorial to Delete Folder on Android

This tutorial will help you to quick delete folder on Android without risk.

• Filed to: Android Recovery • Proven solutions

Folders are very important for storing personal data in an android device like Whatsapp, photos, videos and documents. Folders can eat up a lot of space more so when they are used for storing very heavy data. In other times, some folders are created but never used to store data thus remain idle. Such folders should only be deleted to free up space so as to accommodate the crucial data that you want to store.

With more space, you will have your device working at increased speeds and you will not have problems storing your data. This article is going to teach you how to delete folder on Android. Let’s get started!

Part 1. How to Delete Folder on Android With Ease

Unlike with the older versions, it is possible today to delete folders from android devices very easily. This is a major breakthrough for the android because it can now offer users more options apart from creating and moving folders. Before deciding to delete, it’s important to note that the folder will go with all its contents. Therefore, choosing to delete should be an alternative only when you are not going to use the content in the folder.

Note: Before delete any files on Android, you’d better to make a full backup of Android device to avoid mistakenly deletion.

Step 1. Launch your android device and go to the «File Manager» or «My Files» where you can access all the folders you have created «Internal Storage» or «SD Memory Card».

Step 2. From the many choices, you can select one or multiple folder that you will be deleting. Once selected you need to tap on «Delete» button on the top right side on your phone screen.

Step 3. When you finish deleting the folders you can then click on the «home» button to exit.

Now that you have deleted the unnecessary folders and left with the important ones, it will be time to organize them properly for better use. You can organize the folders as per color, workflow, category and any other way as long as it does not make your use of the android device hectic.

Before you delete any app from your android device, it’s good that you do some research to know their uses. Some of the apps you will be deleting might be the main support point for the operation of your device and deleting them will kill your device. Make sure you don’t delete an app then make your android device useless. Furthermore, some of the pre-loaded apps are equally difficult to delete and it will be good you know about that well in advance.

When you delete folder on Android mobile phone, you might realize that the folder you have deleted was not meant to be deleted long after the damage is done. Does it mean you have kissed goodbye to your folder and its content completely? Many people think so but it’s not that way. There is a way you can reverse that process to recover your lost folder in its original state. You need to install a reputable software program for data recovery and you will have your folder back with all its data intact. Do not gamble with that but be precise in your decisions.

Part 2. The Best Solution to Restore Lost Folder on Android

Have you been looking for a software program to use with your PC for data recovery? Well, dr.fone — Data Recovery (Android) fits into that. Having it will ensure your data will not be lost permanently whenever you lose it accidentally. It will recover your data regardless of the way in which you lost it and that is how dr.fone — Data Recovery (Android) stands out from the rest in the market. The program comes in both paid and free versions so it will be upon you to choose that which will be well suited for your data recovery.

dr.fone — Data Recovery (Android)

Key features of dr.fone — Data Recovery (Android)

• It can help you recover data files including photo, videos, files, music, contacts, messages, etc.
• It has a friendly user interface. It supports more than 6000 Android devices.
• The working speed of dr.fone — Android Data Recovery is very high to make data recovery efficient.
• There are no risks associated with this program. You will have your personal information well secured all the time.

How to recover desired folder on Android using dr.fone — Data Recovery (Android)

Step 1. Download and install the dr.fone application on your computer. On the homepage of application below, click the «Recover» option. Then, use a workable USB cable to connect your device to the computer.

Step 2. Choose the file types that you need to recover from Android device. Then, tap on «Start» to move ahead.

Step 3. When the process is ended, you can check the scanning results. Lastly, hit «Recover» button that is at bottom right side.

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How to delete all files and folders in one folder on Android

I use this code to delete all files:

It will delete false where Files[j] is a folder.

I want to delete folder and all its sub files.
How can I modify this?

13 Answers 13

Simplest way would be to use FileUtils.deleteDirectory from the Apache Commons IO library.

Bear in mind this will also delete the containing directory.

Add this line in gradle file to have Apache

You can write method like this way :Deletes all files and subdirectories under dir.Returns true if all deletions were successful.If a deletion fails, the method stops attempting to delete and returns false.

if storageDir is a directory

If you wanna delete the folder itself. (It does not have to be empty). Can be used for files too.

You can check like this:

you can try this code to delete files and subfiles

rm -rf was much more performant than FileUtils.deleteDirectory or recursively deleting the directory yourself.

After extensive benchmarking, we found that using rm -rf was multiple times faster than using FileUtils.deleteDirectory .

Of course, if you have a small or simple directory, it won’t matter but in our case we had multiple gigabytes and deeply nested sub directories where it would take over 10 minutes with FileUtils.deleteDirectory and only 1 minute with rm -rf .

Here’s our rough Java implementation to do that:

Worth trying if you’re dealing with large or complex directories.

As a kotlin extension function you can do this

Then you can just do

This code works for me. «imagesFolder» has some files and folders which in turn has files.

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Android: How to remove files from External storage?

I am implementing an application which generates and create files in External storage. How can I remove that?

I added following code and still I am getting the same problem. See my code below:

In the LogCat I am getting Application able to delete the file and result is:false. I attached my screen shot after executing this.

8 Answers 8

where selectedFilePath is the path of the file you want to delete — for example:

This is another way just pass your directory name to delete content of it

I think you forgot to put the write permission in your AndroidManifest.xml file, that’s why delete() always return false.

Try the following code to delete the automatically created files and when you don’t know where it is stored:

Its very simple:

Hope it will help you.

Try this it will delete file from external storage.

Schedules this file to be automatically deleted when the VM terminates normally.

Note that on Android, the application lifecycle does not include VM termination, so calling this method will not ensure that files are deleted. Instead, you should use the most appropriate out of:

Use a finally clause to manually invoke delete(). Maintain your own set of files to delete, and process it at an appropriate point in your application’s lifecycle. Use the Unix trick of deleting the file as soon as all readers and writers have opened it. No new readers/writers will be able to access the file, but all existing ones will still have access until the last one closes the file.

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How to delete a whole folder and content?

I want the users of my application to be able to delete the DCIM folder (which is located on the SD card and contains subfolders).

Is this possible, if so how?

24 Answers 24

You can delete files and folders recursively like this:

Let me tell you first thing you cannot delete the DCIM folder because it is a system folder. As you delete it manually on phone it will delete the contents of that folder, but not the DCIM folder. You can delete its contents by using the method below:

Updated as per comments

We can use the command line arguments to delete a whole folder and its contents.

Example usage of the above code:

In Kotlin you can use deleteRecursively() extension from kotlin.io package

use below method to delete entire main directory which contains files and it’s sub directory. After calling this method once again call delete() directory of your main directory.

Short koltin version

UPDATE

Kotlin stdlib function

Your approach is decent for a folder that only contains files, but if you are looking for a scenario that also contains subfolders then recursion is needed

Also you should capture the return value of the return to make sure you are allowed to delete the file

in your manifest

There is a lot of answers, but I decided to add my own, because it’s little different. It’s based on OOP 😉

I created class DirectoryCleaner, which help me each time when I need to clean some directory.

It can be used to solve this problem in next way:

If you dont need to delete things recursively you can try something like this:

You can not delete the directory if it has subdirectories or files in Java. Try this two-line simple solution. This will delete the directory and contests inside the directory.

Add this line in gradle file and sync the project

If this abstract pathname does not denote a directory, then this method returns null.

So you should check if listFiles is null and only continue if it’s not

see android.os.FileUtils, it’s hide on API 21

This is what I do. (terse and tested)

The fastest and easiest way:

Simple way to delete all file from directory :

It is generic function for delete all images from directory by calling only

Safest code I know:

Checks the file exists, handles nulls, checks the directory was actually deleted

here is your solution it will also refresh the gallery as well.

Here is a non-recursive implementation, just for fun:

This (Tries to delete all sub-files and sub-directories including the supplied directory):

1. If File , delete
2. If Empty Directory , delete
3. if Not Empty Directory , call delete again with sub-directory, repeat 1 to 3

To gain access to External Storage Directory, you need the following permissions:

(Use ContextCompat.checkSelfPermission and ActivityCompat.requestPermissions )

I’ve put this one though its’ paces it deletes a folder with any directory structure.

Hope this helps.

Yet another (modern) way to solve it.

On Android since API 26

I’m using this recursive function to do the job:

The function checks if it is a directory or a file.

If it is a directory checks if it has child files, if it has child files will call herself again passing the children and repeating.

If it is a file it delete it.

(Don’t use this function to clear the app cache by passing the cache dir because it will delete the cache dir too so the app will crash. If you want to clear the cache you use this function that won’t delete the dir you pass to it:

or you can check if it is the cache dir using:

Источник

How to delete folders in sdcard of file explorer?

I created several folders in the sdcard (Eclipse) by running an Android application in the emulator. Now I want to delete the folders which I have created on the sdcard.

I am able to delete files in the folders but I could not delete the folders in the sdcard.

How can I do this? Is there a way to delete folders?

6 Answers 6

Using adb command you can delete folders.

click Run — > CMD-> type adb shell —> cd sdcard -> rmdir

Note : Make sure your dir should be empty.

For non-empty directory use.

click Run — > CMD-> type adb shell —> cd sdcard -> rm -r

Well, answer from Brijesh Thakur is really helpful.

I just tried this and it worked fine for me to some extent. I would like to mention that if your directory contains any files then the rmdir command will not work. You will have to use rm -r command for that.

To make it more easy for beginners I am explaining the process as follows.

First you need to locate your adb folder, mine was at D:\Android SDK\platform-tools>

Now execute adb shell in a command prompt as:

A hash (#) symbol or dollar sign ($) will appear, then enter the following command:

Now you are in the sdcard of the device. If your folder is a sub folder then further locate its parent folder using the cd command. Finally, use the rm -r command to remove the folder recursively as follows. This will delete all files and directories in the folder.

Please note that if you want to remove a single file you can use the rm command only and then the file name (with extension probably). And you can also use rmdir command if the directory you trying to delete is empty.

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