Download the file to a byte[] with the getBytes method. This is the easiest way to download a file, but it must load the entire contents of your file into memory. If you request a file larger than your app's available memory, your app will crash.
To protect against memory issues, getBytes takes a maximum amount of bytes to download. Set the maximum size to something you know your app can handle, or use another download method. The getFile method downloads a file directly to a local device.
Use this if your users want to have access to the file while offline or to share the file in a different app. If you want to actively manage your download, see Manage Downloads for more information. FirebaseUI provides simple, customizable, and production-ready native mobile bindings to eliminate boilerplate code and promote Google best practices. Using FirebaseUI you can quickly and easily download, cache, and display images from Cloud Storage using our integration with Glide.
Then you can load images directly from Cloud Storage into an ImageView :. Downloads continue in the background even after activity lifecycle changes such as presenting a dialog or rotating the screen. Any listeners you had attached will also remain attached. This could cause unexpected results if they get called after the activity is stopped. You can solve this problem by subscribing your listeners with an activity scope to automatically unregister them when the activity stops. Then, use the getActiveDownloadTasks method when the activity restarts to obtain download tasks that are still running or recently completed.
The example below demonstrates this and also shows how to persist the storage reference path used. There are a number of reasons why errors may occur on download, including the file not existing, or the user not having permission to access the desired file.
More information on errors can be found in the Handle Errors section of the docs. You can also get and update metadata for files that are stored in Cloud Storage.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4. For details, see the Google Developers Site Policies.
Products Build. Firebase Documentation. Emulator Suite. Overview Emulator Suite. Connect your app and prototype. Realtime Database. Products Build. Firebase Documentation. Emulator Suite. Overview Crashlytics. Performance Monitoring. Get started. Learn about automatically collected data. Customize data collection and aggregation. Track, view, and filter data. Test Lab. App Distribution. Creating new connections is a very straightforward task: just enter the project ID, the private key, client email and, of course, the Database URL.
From this point onward, the data should be loaded and become visible within the main window of Firebase Administrator. You may notice that the application provides you with two main, self-explanatory modes, namely Explorer and Query.
As you can imagine, the Explorer allows you to view the structure and all the elements bundled within your projects while the Query Builder allows you to run and test queries.
It is also worth mentioning that from the app's Preferences window, you can choose from two default UI themes, either a default or a custom one for the JSON code, as well as pick one of the three available font options. To conclude, with the help of its approachable UI, simple workflow, few but valuable customization options, Firebase Admin aims to be an improvement over Google's default Firebase console by providing a more unified environment for managing large numbers of projects.
0コメント