![]() For shareable media content, use shared storage so that other apps canĪccess the content. What kind of data do you need to store? If you have data that's only meaningful for your app, use app-specific Is starting up, place the data within internal storage directory or a database.Īpp-specific files that are stored in external storage aren't always accessibleīecause some devices allow users to remove a physical device that corresponds toĮxternal storage. How reliable does data access need to be? If your app's basic functionality requires certain data, such as when your app Storage if you need to save a substantial amount of data. The solution you choose depends on your specific needs: How much space does your data require? Internal storage has limited space for app-specific data. Other types of shareable content, including downloaded files Yes, though the other app needs the READ_EXTERNAL_STORAGE Permissions are required for all files on Android 9 (API level 28) or When accessing other apps' files on Android 10 (API level 29) READ_EXTERNAL_STORAGE or WRITE_EXTERNAL_STORAGE READ_EXTERNAL_STORAGE when accessing other apps' files on Shareable media files (images, audio files, videos) Storage when your app is used on devices that run Android 4.4 (API level 19) The characteristics of these options are summarized in the following table: ![]() ![]() Databases: Store structured data in a private database using the Room.Preferences: Store private, primitive data in key-value pairs.Shared storage: Store files that your app intends to share with otherĪpps, including media, documents, and other files.Internal storage to save sensitive information that other apps shouldn't access. App-specific storage: Store files that are meant for your app's use only,Įither in dedicated directories within an internal storage volume or differentĭedicated directories within external storage.The system provides several options for you to save your app data: Any references on this website, in materials downloaded from this website, or within the products to specific commercial products, processes, or services by service mark, trademark, manufacturer, or otherwise, does not constitute or imply their endorsement, recommendation, or favoring by CDC.Android uses a file system that's similar to disk-based file systems on other CDC does not endorse any commercial product or service, including any subjects of analysis or datasets. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall CDC or the Department of Health and Human Services (HHS) be liable to you for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising from the use or inability to use the products (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if CDC or HHS has been advised of the possibility of such damages.Įpi Info™ is a trademark of the Centers for Disease Control and Prevention (CDC). You are solely responsible for determining the appropriateness of using or redistributing the products and assume any risks associated with your use or redistribution of the products. The Centers for Disease Control and Prevention (CDC) provides the Epi Info™ software, translation databases, instructions, examples, sample projects with data, map files, and all other products available on this site (the products) on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE.
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