Connect and share knowledge within a single location that is structured and easy to search. I have a download button in my app. When I press the download button it downloads an audio file from provided url. But the problem is I want to save the file in my internal storage folder called "DownloadTestFolder",it is showing an error. The DownloadManager can only download to external storage , you need to implement your own download manager.
How are we doing? Please help us improve Stack Overflow. Take our short survey. You can query the external storage state by calling getExternalStorageState. For example, the following methods are useful to determine the storage availability:. Although the external storage is modifiable by the user and other apps, there are two categories of files you might save here:.
If you want to save public files on the external storage, use the getExternalStoragePublicDirectory method to get a File representing the appropriate directory on the external storage. If you want to save files that are private to your app, you can acquire the appropriate directory by calling getExternalFilesDir and passing it a name indicating the type of directory you'd like.
Each directory created this way is added to a parent directory that encapsulates all your app's external storage files, which the system deletes when the user uninstalls your app. If none of the pre-defined sub-directory names suit your files, you can instead call getExternalFilesDir and pass null.
This returns the root directory for your app's private directory on the external storage. Remember that getExternalFilesDir creates a directory inside a directory that is deleted when the user uninstalls your app. If the files you're saving should remain available after the user uninstalls your app—such as when your app is a camera and the user will want to keep the photos—you should instead use getExternalStoragePublicDirectory. These directory names ensure that the files are treated properly by the system.
If you know ahead of time how much data you're saving, you can find out whether sufficient space is available without causing an IOException by calling getFreeSpace or getTotalSpace. These methods provide the current available space and the total space in the storage volume, respectively. This information is also useful to avoid filling the storage volume above a certain threshold. However, the system does not guarantee that you can write as many bytes as are indicated by getFreeSpace.
Otherwise, you probably shouldn't write to storage. Note: You aren't required to check the amount of available space before you save your file. You can instead try writing the file right away, then catch an IOException if one occurs.
You may need to do this if you don't know exactly how much space you need. For example, if you change the file's encoding before you save it by converting a PNG image to JPEG, you won't know the file's size beforehand.
You should always delete files that you no longer need. The most straightforward way to delete a file is to have the opened file reference call delete on itself. Click on the Phone option and scroll down until you find the Downloads folder. Just open it and do whatever you please. You downloaded an image last week but accidentally erased it from your device.
To recover that image, open Chrome, tap the three-dotted menu icon at the top right corner, then tap Downloads to see your list of downloads from the browser. The new and much-improved Microsoft Edge browser is slowly making inroads on Android, and makes it relatively easy to find your downloads. Firefox makes it just as easy to find your downloads.
Once you have the browser open, tap on the three vertical dots at the top-right or bottom-right, depending on your personal setup of your display.
To dig a little deeper still into your Android directories, you should read our guide on how to install TWRP Recovery. By signing up, you agree to our Privacy Policy and European users agree to the data transfer policy. Crystal Crowder has spent over 15 years working in the tech industry, first as an IT technician and then as a writer. She works to help teach others how to get the most from their devices, systems, and apps.
If you already have the apk file downloaded or transferred to your android, you can skip this. You can install apk files on your android smartphone or tablet directly from your browser. Now, to download and install apk files from your computer to your android device, first find the file you want. Best Android Phones. Browse All News Articles. TikTok Samsung TV. Spotify Shuffle Play Button. Windows 11 Performance.
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