Android Save File To External Storage Example

Note that not every program -- such as Notepad, for example -- can automatically save files to an external hard drive. Each app has a private folder on the external SD card, and interchange between them needs to use a special API not yet available in. Simple Android File Chooser. For example, an Android tablet (in addition to its internal storage) might have emulated storage and one or more slots for an SD card. Sometimes, due to a shortage of space, you may decide to move all the photos and videos from the WhatsApp folder to the external SD Card or some other location. What the code does is quite straightforward. In this article, we are going to learn the use of FileInputStream class and FileOutputStream class. once the user uninstalls this application, these files will automatically remove. There are five kinds of computer backup storage each with its own advantages and disadvantages you should consider. Erasing your Android device's storage is a great way to get a performance boost from an older device. The FileInputStream and FileOutputStream classes are used to read and write data into the file. Forms and Xamarin. Android SharedPreferences Example Project Description. ) Tab " Internal Storage> " and select DCIM, it is the place where the photos taken from smartphone is stored. 0 being different/better for storage cards, this way still works, and we still recommend it. Several weeks ago I was given a task to open an internal PDF file in any PDF reader application on an Android phone. The path should be Android/data/[package name]/files/ on the external storage. Android Marshmallow smartphones and other devices have the built-in feature to save and store the contacts. Access all of your docs, photos, and videos. Android TV boxes offer their users an option to expand their storage space by installing a SD card or USB. How to Delete Backup Files in Windows 10/8/7. Here's how. So lets create a project. To save a file to SD card on your device, tap Save or Save as and select Documents (SD Card). To sweeten the deal further, ImageKit makes it easy to resize your images this way using URL-based image transformation. Secure Enterprise File Sharing, Sync. When you need to share a file with other apps, the easiest way could be to use the external storage as a temporary place where to save this file. This similarity may be confusing for developers who are not familiar with Android as it is not clear when an app should use internal storage vs external storage. Since it's very beginning, Android has had a rather different way of managing storage space. What you need to do is to create an emulated SD card for your Android Emulator. To find pictures, videos and audio files downloaded from WhatsApp to your Android device, open a file manager on your mobile device or computer, go to the SD Card or Internal Storage folder and look a folder called WhatsApp. Here are the steps to doing this: 1. Android Read Write Data To Internal File. and you can also serialize the instance into the file directly. As I read you have an issue. How to turn the "External" SD card into "Internal" storage on "Marshmallow". If you have to, you can also save it in files. When saving data locally, you can use the Chrome Storage API to save small amounts of string data and IndexedDB to save structured data. Code above works fine even on Android Nougat since targetSdkVersion is still be 23. What you need to do is to create an emulated SD card for your Android Emulator. Many apps also have a remote web service that provide the data for the app in question. ~/storage/music; Standard directory in which to place any audio files that should be in the regular list of music for the user, ~/storage/movies; Standard directory in which to place movies that are available to the user, ~/storage/external; Symlink to a Termux-private folder on external storage (only if external storage is available). Android data can be saved in internal storage ( ROM ) , external storage(SD card), shared preferences or SQLite database. However, it isn't possible to save those media files directly to a USB drive or Micro SD Card. Only users with topic management privileges can see it. READ_EXTERNAL_STORAGE: Allows an application to read from external storage. Create, read, delete, append, encrypt files and more, on internal or external disk spaces with a really simple API - sromku/android-storage. The path should be Android/data/[package name]/files/ on the external storage. You can buy the. All Android devices have two file storage areas: "internal" and "external" storage. It creates a basic storage application that allows you to read and write from internal storage. Creating SD Card Access to your Android SDK Tools folder and use command "mksdcard" in order to create one. Android devices have two storage areas, internal and external. With full versions installed on your PC or Mac, there’s no need for an internet connection to access documents. In the Search programs and files entry, type GPEDIT. Android TV boxes offer their users an option to expand their storage space by installing a SD card or USB. If we could detect the file from the phone's memory space and restore it to its original state, we will have the file back. Use the USB cable that came with your Android device and connect it to your Mac. High end android devices can take great pictures. Like internal storage, we are able to save or read data from the device external memory such as sdcard. Now, let’s see how to change WhatsApp storage to SD card in Samsung, for example. Android SQLite Database Tutorial. These names come from the early. You can save pictures on the card, move apps, and use the external storage to keep more junk on the tablet. Android has internal storage and external storage. Additionally, building data storage into your Android app is a skill that many employers look for when selecting Android developers. External storage can be used to save media files such as pictures, music, videos while most applications can not be installed on external storage. Multiple External Storages. Download and install the app on your Android devices and then follow the steps below to accomplish your task. Unlike Dropbox, SugarSync enables you to back up your existing folder structure. It is also essential if you are planning on selling or donating your phone in order to protect. Unlike messenger or cloud based storage apps Send Anywhere allows the end user to send as many files, of any file type and size, as many times as they want, across Android, iOS, and Desktop. Here is a sample, which shows how you can use PCL Storage to create a folder and write to a text file in the folder. File System Limits Here you can find information on how the file system works and its limits. The path should be Android/data/[package name]/files/ on the external storage. txt file to external storage. You can do this using your Android's built in settings, or you can use a free app called ES File Explorer. Android 4GB file limit: How to get over 4GB file size limitation for Android Devices video files to the internal storage of my tablet but as you know the FAT32. Find Files in Android Studio Emulator. tempDirectory - Temp directory that the OS can clear at will. The comprehensive Android settings guide has all the information with regards to this. Once installed, a MicroSD card’s storage is available for use by your Android tablet. You can buy the. music" folder was deleted on both internal and external storages, turned my device off and on again, re-downloaded the app and, before opening it, went to its properties to give storage permissions. You can change your Firebase Security Rules for Cloud Storage to allow unauthenticated access. I have just created a project named FirebaseUpload. FileManager class. 4 (KitKat) External SD Write Restrictions Without Root: Android 4. Note: By default, Cloud Storage buckets require Firebase Authentication to upload files. Primary storage, which is temporary, is used to store programming instructions, data in use, and the results of data operations. We dig into the different options available for android developers to store data locally on an android device. Secondary storage can be removable, internal, or external. then pop will appear for connecting. tempDirectory - Temp directory that the OS can clear at will. " This brings up the versatile Files extension, so you can save files to any location, including attached external drives. For example, If you need to save images to an external storage device such as USB drive or SD card, add the WRITE_EXTERNAL_STORAGE setting. Still, I will use my app example code. In this Android tutorial you will learn how to use in-build android camera to take picture. Differences between Internal and External Folders in Xamarin. Example code to save to a file. These names come from the early days of Android, when most devices offered built-in non-volatile memory (internal storage), plus a removable storage medium such as a micro SD card (external storage). Moreover when i use camera it pops up a message that insert an SD card before using the camera Specs-Android version. Also this exmple shows How to read from the saved file and how to write to the saved file. Firebase Cloud Storage Upload, Download & Delete Files Android Example. Nice article, totally agree about SMB1. ini, transfer it to the SD-Card of your Android device, and then use the option "load detect string". Alternative to Owncloud, Box, Dropbox, Egnyte. Learn image upload from android app to php server. or just save it to internal storage using a file manager app. Install Office 365 on your Mac, PC, tablets, and phones. The service includes 15GB of free storage. Therefore, now you do not need to delete your data from your Android device to get the free space only to keep new data. The example provided below is the extended version of our previous android SQLite database tutorial. Internal storage shows up as "sdcard" on the tab and the actual sdcard shows up as /sdcard/external_sd. I thought it would be straightforward, but things turned out to be complicated. We’ll briefly describe each type of computer backup storage in this article so you can choose the best option for you. NOTE: Please be sure you start with a blank SD card. Use external storage to expand unexpandable Android phones. On the Samsung Galaxy smartphones, All downloaded files are saved into the internal memory of the smartphone. importGlobalProperties(['File']);. In the initial devices, the internal memory was really low (imagine a device today with mere 512 MB of storage), and even in those that had larger capacities, it wasn't possible to even move apps (and data) to SD card for efficient utilization of available space. Note that the onClick methods are defined in the xml file only as shown below:. TOP Best Android Phones with Long BATTERY Life & Backup. If external storage (like an SD card) is available on your Android device, Libby will try to save downloads there. This article will introduce how to read and write data in internal storage via java file. We use Total Commander in our example but there are other suitable as well: ES File Explorer or Astro File Manager; Access to relevant LAN network configured on your Android device; Configuring your Android device Installing mobile application and plugins. As an example, let's say you want to export photos to a USB drive. Find Files in Android Studio Emulator. On Android 6. Google’s documentation on FileProvider proved to be confusing and lacking concrete examples. See how to install USB driver for android using this step by step guide in a matter of minutes. Like other modern operating systems, Android has a disk-based file system. External hard drives. Learn how to easily save/write simple. Android SQLite Database Tutorial. I have a 32GB MicroSD card adopted as internal storage on my Moto X Play (XT1563), and I've noticed that some apps don't completely move over to External Storage (specifically. The Android platform also provides the user the choice to store large files, such as images and media files, on an external storage. I'm not sure why that is, I guess the developers don't want to make the assumption that the device has a user filesystem available. Therefore, now you do not need to delete your data from your Android device to get the free space only to keep new data. Therefore, if you have previously backed up Android data to a cloud server, or to SD card for safe keeping, you can follow the two options below to recover phone data from backup after factory. I will show you how to load file from android internal storage or from android sdcard. decodeFile(pathToPicture); The Bitmap and BitmapFactory classes are located in the android. Both internal and external storage can be accessed like a file system via the standard Java File class. This library was created to be included in OpenGApps App. Each app has a private folder on the external SD card, and interchange between them needs to use a special API not yet available in. To save a file to SD card on your device, tap Save or Save as and select Documents (SD Card). - If using an external SD card to store your cache (Offline Playlists) on Android 4. Each API offers advantages and disadvantages, which are summarized here. External hard drives. Some apps will use a separate folder for downloaded files. Creating a New Project. Today I will show you Android Marshmallow Permissions Example. Android 4GB file limit: How to get over 4GB file size limitation for Android Devices video files to the internal storage of my tablet but as you know the FAT32. In this Android development tutorial we will work on developing an activity that will save data within the external storage (or the SD card) of the device. is the way to give external directory path as Android. Still, I will use my app example code. Files is the simplest way to store the data. Where are Windows backup files stored? Usually, they are saved on your USB drive or external hard drive. If the contacts are stored in any external device or in any other place within the mobile device, they can be restored at any time. Android project can be confusing. Introduction : How to save data in your Android application This is the first post in a series explaining the various ways to save data and application state in an Android application. On the surface, cloud storage has several advantages over traditional data storage. When you create Android applications that require to use external storage of the phone to store files, you will need to create folders in the phone' external storage. Files saved here are deleted when the app is uninstalled. This article is continuation of the Android Internal Storage tutorial in the series of tutorials on structured data storage in android. A spree of photo snapshots, a few videos here and there, and your internal storage can be filled so significantly that it makes clearing caches and junk files small fry in comparison. We are storing image on button click in memory card of our device. crt file to the root of the /sdcard folder inside your Android device Inside your Android device, Settings > Security > Install from storage. These are the best apps to convert any kind of file to PDF and even print from an Android phone directly. However, it isn't possible to save those media files directly to a USB drive or Micro SD Card. This enables apps to manage their package-specific directories on external storage without requiring they hold the broad WRITE_EXTERNAL_STORAGE permission. App Inventor for Android only permits video files under 1 MB and limits the total size of an application to 5 MB, not all of which is available for media (video, audio, and sound) files. We will create a GridView and show images that are stored on an SD Card folder and on the. In this post, I'll explain how to create in android application a feature that allows users to upload local files to cloud and to list, download and delete cloud files with an example. This is why you ask how to delete backup files from external hard drives like WD My Passport in Windows 10. Your documents will be saved periodically, even when you're offline. As I read you have an issue. 1)? How to set sd card to default storage on android: how to set SD CARD TO DEFault storage on 4. 0 (like the removal of the storage_list. Find android. Example : We will create a Android Project with an Activity that has a Button and TextView. December 19, 2017. How to set sd card as default internal storage for samsung j2 prime android version (6. When traveling, access ownCloud through your Android or iOS devices. 999999999% (11 9’s) of data durability because it automatically creates and stores copies of all S3 objects across multiple systems. Learn image upload from android app to php server. I know they were stored on the SD card because I had previously gone into the settings of the Google Music Player app and selected the external SD card for local storage of music. upload image to server trinity tuts. In this Android tutorial you will learn how to use in-build android camera to take picture. This can be a removable storage media (such as an SD card) or an internal (non-removable) storage. Like internal storage, we are able to save or read data from the device external memory such as sdcard. Access it via Settings > Storage and USB > Explore. This similarity may be confusing for developers who are not familiar with Android as it is not clear when an app should use internal storage vs external storage. Returns the folder in the device internal storage that is used to save application cache data. How to install an APK file on an Android device This method is suitable if the APK file is accessible as a download on the network (ie, clicking a link on a web. Table below shows the possible settings for the USB storage access:. The code example is done in Xamarin/C#, but exactly the same principles apply in Java, so it should be extremely easy for an Android Java dev to understand exactly what's going on, and apply the same methods. Following snippet will get you that result. If for some reason, the app you wish to transfer to removable storage doesn't include the option to move to SD card, then that just means the app cannot be moved, examples of this are system apps, like the default camera app, contacts, and SMS messenger. What about Android 6. I have searched through internet and try but not getting the result,I have added permission in Android Manifest file as well,I am. Internal storage shows up as "sdcard" on the tab and the actual sdcard shows up as /sdcard/external_sd. is the way to give external directory path as Android. I have just created a project named FirebaseUpload. Once installed, a MicroSD card's storage is available for use by your Android tablet. There are two kinds of file storage available: 'internal' and 'external'. Includes tradeoffs:. All applications can read and write files placed on the external storage and the user can remove them. This wikiHow teaches you how to move any file from your device's internal storage to your SD card, using Android. To access the list of media files (such as Audio, Images and Video) from an External Storage device in android, the Media provider can be used. This brief guide will teach you how to easily convert those several free Gigabytes on your external SanDisk card to Internal Storage. Android SharedPreferences Example Project Description. The code example is done in C#, but exactly the same principles apply in Java, so it should be extremely easy for an Android Java dev to understand exactly what's going on. It will be tricky and time consuming if you try to wirelessly transfer large number of files from PC to Android phone or from Android to PC, to do this, Android file transfer software could be the best and fast solution in transferring files. For example, an Android tablet (in addition to its internal storage) might have emulated storage and one or more slots for an SD card. In this case you can use a USB flash drive to easily transfer files to your Android device, this method has variety of uses and this is just one example. All applications can read and write files placed on the external storage and the user can remove them. externalCacheDirectory - Application cache on external storage. For Apache-version of PHP there is advanced browser-caching support (using If-Modified-Since header). Please tell me how I can view the "internal storage" file for my Kindle Fire when I connect to my PC. 0 Nougat introduced some file system permission changes in order to improve security. Although there a bunch of news articles and rumors about Android 5. There are two kinds of file storage available: 'internal' and 'external'. Saving & loading bitmaps to the Android device storage (internal & external) Posted by Dominik on Sonntag, Februar 12, 2012 · Schreibe einen Kommentar In this tutorial I will show how to save a bitmap file to the external and internal storage of an Android device. Multiple External Storages. Differences between Internal and External Folders in Xamarin. I know they were stored on the SD card because I had previously gone into the settings of the Google Music Player app and selected the external SD card for local storage of music. Android saving file to external storage ? 2013 by RajaReddyPolamReddy in Android and tagged save bitmap, Sd card. For example, touching Apps displays a list of running apps. We've developed a suite of premium Outlook features for people with advanced email and calendar needs. xml file add "WRITE_EXTERNAL_STORAGE " permission as we require to access the external storage for saving the Excel file. In this video we will save a string to the internal storage of our device. (Android, BlackBerry 10) cordova. Here’s how to set up your personal Google Drive and use some of its main functions. SugarSync is a cloud file sharing, file sync and online backup service that is simple, powerful and easy to use. 4 KitKat, a change in the way the operating system gives read and write permissions to apps has caused a bit of a brouhaha among Android users. Firstly, we will need to install a File Manager (Total Commander) together with a. Buy and sell electronics, cars, fashion apparel, collectibles, sporting goods, digital cameras, baby items, coupons, and everything else on eBay, the world's online marketplace. (1) Save photos and videos to EXTERNAL SD card by default rather than internal storage. How to Transfer Files to SD Card on Android. There's a lot more to learn about working with external storage on Android. that i have inserted a SD card and i m also able to access its files in my tablet but i m nt able to move any file to it from my internal storage and nt even able to download some files from playstore. Access external hard drive on Android using USB OTG Once you have an OTG supported device along with an OTG cable, you are almost ready to connect your external hard disk to your phone or tablet. I have definitely learned the hard way, over the years, about the importance of backing up files. At the end of the tutorial, you will be able to browse all tables, it’s columns and it’s rows. Android Internal Storage Example Code. All Android devices have two file storage areas: internal storage and external storage. However, it isn't possible to save those media files directly to a USB drive or Micro SD Card. GitHub Gist: instantly share code, notes, and snippets. 4, the application does not need permission to access its own cache, but with older versions your application needs the READ_EXTERNAL_STORAGE or WRITE_EXTERNAL_STORAGE permission. Alternative to Owncloud, Box, Dropbox, Egnyte. Saving & loading bitmaps to the Android device storage (internal & external) Posted by Dominik on Sonntag, Februar 12, 2012 · Schreibe einen Kommentar In this tutorial I will show how to save a bitmap file to the external and internal storage of an Android device. This quick post demonstrates how to how to access the external, REMOVABLE SD card plugged into your Android device. Some apps will use a separate folder for downloaded files. Android app may save files. At this point, you have three options to mount and access an external hard drive on Android depending on your preferable situation. This means that the device has two different external storage directories, so you need to select which one to use when writing "private" files to the external storage. Step 1 - Create new Android project and name your project as WriteToFile. New DATA_SOURCE option enables you to reference Azure Blob Storage account. ini, transfer it to the SD-Card of your Android device, and then use the option "load detect string". Syncing nonmedia files, such as documents and spreadsheets, between your Android phone and your Mac is easy, thanks to cloud storage services. Internal storage is always available and secure by default. Surprisingly, the Android API doesn't include a file chooser. In this video we will save a string to the internal storage of our device. Here is an example of using the external storage to save a text file from an Activity:. To read a text file from SD Card (External Memory) in Android one has to make use of Environment. Auto Move Screenshots,WhatsApp Images To SD Card On Android Using Move It Ever Wanted To Save Your Screenshots In Your External Storage-SD Card, Or Save WhatsApp Images To External Memory-SD Card? Now You Can Auto Move Screenshots Or WhatsApp Media Files i. This can be a removable storage media (such as an SD card) or an internal (non-removable) storage. If you want the path to the sd card you have to get all paths to all available external storages with "GetExternalFilesDirs" and then. I have searched for an answer to my question because many others have asked this before me - but i guess i have to find more creative answers because all the given answers don't really work for me. For more details about legal formats, see Android Supported Media Formats. First you will need to know the address of the zip file you wish to install. Learn how to use Xcopy to create a batch file and task schedular to create automatic backups of your important data. This means that the device has two different external storage directories, so you need to select which one to use when writing "private" files to the external storage. Final Tip: How to Backup Android Contacts to PC. Follow this step-by-step guide in order to do so. BULK INSERT is existing command in T-SQL language that enables you to load files from file system into a table. On the surface, cloud storage has several advantages over traditional data storage. BitmapFactory; Assuming that your pathToPicture is correct, you can then add this bitmap. Once you have associated a fileref with an external file, you can use it as a shorthand reference for that file in SAS programming statements (such as INFILE, FILE, and %INCLUDE) and in other commands and statements in SAS software that access external files. After checking to make sure the file exists with SD. Factory Reset function can only wipe the data from Android internal storage, and it won’t erase the files or app data saved in external storage card. Android SQLite Database Tutorial. (If you needed to do both, the read permission is implicit in the write permission, so it was only necessary to acquire the write permission in that case. File dir = new. External Storage Tutorial In Android Studio With Example. videos) it won't play any more and these happens to all files like application which totally works but my. Internal storage is specific to an application and is on the device where the application is installed. Rather than asking user to bounce off to other pdf viewer application, we will create an application with support of Pdf creation and viewing functionalities. If you’re working with an Android application, this source code seems to work to load an image from a file: Bitmap bitmap = BitmapFactory. As always the first step is creating a new Android Studio Project. The macro at Save selected email message as. Android Upload Image to Remote Server and Download Image from Remote Server to External Storage. In this post, I'll explain how to create in android application a feature that allows users to upload local files to cloud and to list, download and delete cloud files with an example. Firewall: This opens another dialog for the configuration of your firewall. Beginning with Android 4. Internal Storage Tutorial In Android Studio With Example. First you will need to know the address of the zip file you wish to install. You can also use OPENROWSET function to parse content of the file and execute any T-SQL query on returned rows:. Please Note: Initially when I wrote the signature capture program it was saving data to the External Storage but then I changed that to the Internal Storage for security. I just need a file chooser. If you want to save the image as Android App data, please replace function getCacheFolder with getDataFolder. Installing USB driver for android is as easy as 1,2, 3. This can be a removable storage media (such as an SD card) or an internal (non-removable) storage. Install Office 365 on your Mac, PC, tablets, and phones. For example, an Android tablet (in addition to its internal storage) might have emulated storage and one or more slots for an SD card. ) All I can see is /Internal storage and /SD card (not /storage). We will create a GridView and show images that are stored on an SD Card folder and on the. In this Android tutorial you will learn how to use in-build android camera to take picture. Find Files in Android Studio Emulator. Since the default Google App. Smaller files load faster, and manage memory more efficiently. My dear friend, to transfer music from internal memory to external sd card. if this isn't the case you can simply select the data in the "My Files" app on your device and then from the menu button select "Move". The updated Google Play Music application on Android finally lets you cache your music in the external storage (rather than the internal memory), and you can now play music stored in the external storage offline. Synonyms are auxiliary storage and secondary storage. tempDirectory - Temp directory that the OS can clear at will. It's very flexible, you can design your own structure or using the standard format such as XML, JSON, etc. It will save you from condition to have external storage and user permissions to read and write external memory. Boost the storage capacity of your iPhone or iPad with our guide to the best external Wi-Fi drives and Lightning-enabled flash storage devices Running out of storage space is often an issue for. So here is the complete step by step tutorial for Save/Store image to External storage android example tutorial. First you will need to know the address of the zip file you wish to install. External storage refers to the sd card of Android devices or the equivalent partition that devices with no sd card option offer (e. 4 (API 19), reading files on the external file system required the READ_EXTERNAL_STORAGE permission, and writing to external storage required the WRITE_EXTERNAL_STORAGE. Your first 15 GB of storage are free with a Google account. In this example, we will write the data to file inside the external storage and read the same file content from same external storage. Files is the simplest way to store the data. We will use a FileOutputStream to save the data in bytes. File managers let you browse all the folders and. Add the following code in the activity_main. Learn from an Android example of Displaying Images from SD Card in Android which is a Media provider that contains data for all available media on both internal and external storage. In this Android tutorial you will learn how to use in-build android camera to take picture. In this tutorial, we didn’t go in deep about dpi and various screen issue, we just use ImageView to display. Five Android apps to help you connect to network storage. exists() , delete the file from the card with SD. If you’re using a USB hub, the hub must also be USB 3. I want to create a file in external storage sdCard and write to it. Here, we are going to read and write data to the internal storage of the device. 0 connection. In this tutorial we are simply saving the the drawable resource image which already saves into drawable folder inside android application to external storage. You could avoid this whole mess. Andrew Cheng asked for advice on the best ways to transfer files between his Android phone and his Windows PC. So here is the complete step by step tutorial for Save/Store image to External storage android example tutorial. also say how view that file in browser screen. Here’s how to set up your personal Google Drive and use some of its main functions. External Storage Program Installation is one of the features you can use in Windows 10 to install your apps on external storage devices read the guide. // Returns the File for a photo stored on disk given the fileName public File getPhotoFileUri (String fileName) {// Get safe storage directory for photos // Use `getExternalFilesDir` on Context to access package-specific directories. Does anyone know of a way to get my computer (Windows 7) to recognize this file? (Naturally, I told my computer to view hidden files, so that's not the issue. How can Samsung Data Recovery restore data that have already been deleted from the phone? In fact, when we delete a file, the file is not completely wiped out from the phone but remains somewhere in the memory space. Are your apps taking up too much room on your phone's internal storage? If you are running an older version of Android, you may be able to move your apps to. The payoff: You can more easily organize your files, photos and miscellaneous pieces of paper, and you'll be able to access them with the click of a mouse or tap of an app. 4 (API level 19), you can access both locations by calling getExternalFilesDirs() , which returns a File array with entries for each storage location. Similar to getCacheDir() in terms of internal storage, we also have getExternalCacheDir() to save cache files in our private external store. When application is installed on the external storage, any data (for example databases) is still saved on the internal device memory. first connect your phone to pc via usb cable.