Article Summary. In most versions of Android, it is an icon with a matrix of dots located along the bottom of the screen. Tap the icon to open the Apps Tray. Tap Downloads. It will be among the Apps displayed, usually alphabetically. On some versions of Android there is no "Downloads" app. Tap and hold a file you want to delete.
Your device will be in "Select" mode; to select additional files, tap them. Tap the "Delete" icon. Doing so confirms that you want to delete the downloaded files from your device. In some versions of Android, the dialog box may ask you to tap OK. You should see a file manager, such as ESExplorer or Files, on your device.
If you do not, then try going to Settings, then Storage and looking at your storage. The Database Inspector includes some improvements to help you write and execute your custom SQL statements.
When you open the inspector and open a New query tab, you should notice a larger, resizable editor surface to author and format your queries, as shown below. Additionally, we now provide a history of your previous queries. When you click on the Show query history button, you should see a list of queries you previously ran against the currently selected database.
Click a query in the list to see a preview of the full query in the editor and press Enter to copy it to the editor. Then, click Run to execute the statement. In previous versions of Android Studio, disconnecting from an app process while using the Database Inspector resulted in closing the inspector and its data. In Android Studio 4. When a disconnect occurs, the Database Inspector downloads your databases and then makes them available to you in offline mode. When offline, you can open tables and run queries.
Keep in mind, when you reconnect to a live app process, the Database Inspector returns to live mode and shows you only the data that is on the device. That is, data shown in offline mode doesn't persist when you reconnect to an app process. Because of this, the Database Inspector does not allow editing or running modification statements while in offline mode. In the CPU profiler, the System Trace feature now includes new metrics for analyzing app performance and includes the following:.
In the Display section, this new track shows the buffer count of the app's surface BufferQueue 0, 1, or 2 to help you understand the state of image buffers as they move between the Android graphics components. CPU Frequency.
Process Memory RSS. This new window shows the amount of physical memory currently in use by the app. Introduced in Android Studio 4. Pause live updates and refresh the screen capture in the Layout Inspector. To manually load a snapshot of UI data from your app, first disable the Live updates option. You can then click the Refresh button to take a new snapshot of the UI stack for inspection. The Layout Inspector now remembers your preference to keep Live updates enabled or disabled between sessions.
Safe Args is a Gradle plugin that generates simple object and builder classes for type-safe navigation and access to any associated arguments. Android Studio now includes richer support when working with Safe Args, as described below:. Available in version 4. Alternatively, you can download the standalone command-line tools package. For usage information, see R8 retrace in the user guide.
To help streamline app testing across devices and API levels, you can now deploy your app to multiple devices or emulators simultaneously by following these steps:. Android Gradle plugin 4. This new setting optimizes fusing of install-time modules with the base module, potentially improving app performance for some apps. For more information on this new setting, see the documentation for the dist:removable tag in the documentation for feature module manifest.
To help you be more productive as you iterate on your app, we've made the following enhancements to Apply Changes for devices running Android 11 or higher:. For devices running Android 11 or higher, you can now add static final primitive fields and then deploy those changes to your running app by clicking either Apply Code Changes or Apply Changes and Restart Activity. You can now also add resources and then deploy those changes to your running app on Android 11 devices by clicking Apply Changes and Restart Activity.
The New Project and New Module wizards have been updated to make it easier to browse, select a template, and input information about the new project or module. The option to Import. Android Studio 4. Check out the Kotlin 1. For more information, see Emulator Environment Variables.
This section describes known issues that exist in Android Studio 4. For a complete list, go to the Known issues page. If you are using Android Studio 4. As a workaround, replace "1. Starting with version 4. This update causes an underlying behavior change related to signing keys. Studio tries to import previous. To work around this issue, we recommend commenting out custom options in.
If Studio still doesn't start after trying this workaround, see Studio doesn't start after upgrade below. Inspect, query, and modify your databases in your running app using the new Database Inspector.
To learn more, see Debug your database with the Database Inspector. You can now run the Android Emulator directly in Android Studio. Use this feature to conserve screen real estate, to navigate quickly between the emulator and the editor window using hotkeys, and to organize your IDE and emulator workflow in a single application window.
To learn more, see the Android Emulator documentation. ML Model Binding makes it easy for you to directly import. Android Studio generates easy-to-use classes so you can run your model with less code and better type safety. The current implementation of ML Model Binding supports image classification and style transfer models, provided they are enhanced with metadata. Over time, support will be expanded to other problem domains, like object detection, image segmentation, and text classification.
A wide range of pre-trained models with metadata are provided on TensorFlow Hub. To see the details for an imported model and get instructions on how to use it in your app, double-click the model file in your project to open the model viewer page, which shows the following:.
As the example demonstrates, Android Studio creates a class called MobilenetVQuantized for interacting with the model. If the model does not have metadata , this screen will only provide minimal information. This feature is still under development, so please provide feedback or report bugs.
With the Native Memory Profiler, you can record memory allocations and deallocations from native code and inspect cumulative statistics about native objects. Support for profiling Android 11 devices is currently available in the 4. As of the initial 4. This option will be enabled in an upcoming release. As a workaround, you can use the Perfetto standalone command-line profiler to capture startup profiles. Box selection: In the Threads section, you can now drag your mouse to perform a box selection of a rectangular area, which you can zoom into by clicking the Zoom to Selection button on the top right or use the M keyboard shortcut.
When you drag and drop similar threads next to each other, you can select across multiple threads to inspect all of them at once. For example, you may want to perform analysis on multiple worker threads. Summary tab: The new Summary tab in the Analysis panel displays:. With the new standalone profilers, it's now possible to profile your app without running the full Android Studio IDE.
For instructions on using the standalone profilers, see Run standalone profilers. Android Studio makes it easier to navigate between your Dagger-related code by providing new gutter actions and extending support in the Find Usages window.
New gutter actions: For projects that use Dagger, the IDE provides gutter actions that help you navigate between your Dagger-annotated code. For example, clicking on the gutter action next to a method that consumes a given type navigates you to the provider of that type.
Conversely, clicking on the gutter action navigates you to where a type is used as a dependency. Find Usages node: When you invoke Find Usages on a provider of a given type, the Find window now includes a Dependency consumer s node that lists consumers of that type. Conversely, invoking this action on a consumer of a Dagger-injected dependency, the Find window shows you the provider of that dependency.
Updates include:. Check out the 1. When creating a custom view for example, by extending the View or Button class , Android Studio now shows you a preview of your custom view. Use the dropdown menu in the toolbar to switch between multiple custom views, or click the buttons to wrap vertically or horizontally to the content. When a crash or ANR occurs in native code, the system produces a stack trace, which is a snapshot of the sequence of nested functions called in your program up to the moment it crashed.
These snapshots can help you to identify and fix any problems in the source, but they must first be symbolicated to translate the machine addresses back into human-readable function names. The Play Console uses these debug symbols files to symbolicate your app's stack traces, making it easier to analyze crashes and ANRs.
To learn how to upload debug symbols files, see Native crash support. To help you be more productive as you iterate on your app, we've made the following enhancements to Apply Changes for devices running Android 11 Developer Preview 3 or higher:. We've invested heavily in optimizing your iteration speed by developing a method to deploy and persist changes on a device without installing the application.
After an initial deploy, subsequent deploys to Android 11 devices using either Apply Code Changes or Apply Changes and Restart Activity are now significantly faster. To learn more about the difference between these two actions, see Apply Changes. For devices running Android 11 Developer Preview 3 or higher, you can now add methods and then deploy those changes to your running app by clicking either Apply Code Changes or Apply Changes and Restart Activity. This minor update includes various bug fixes, as well as support for new default settings for Package visibility in Android For more information, see the release notes for Android Gradle plugin 4.
To see a list of notable bug fixes for this release, read the related post on the Release Updates blog. Important: After updating, you need to restart Android Studio to apply any memory settings migrated from an earlier version of the IDE.
For more information, see the Known Issues page. The latest version of the Android Gradle plugin includes many updates, such as Java 8 desugaring for older versions of Android and feature-on-feature dependencies.
Additionally, Android Studio now includes new features to help you improve your build performance. When using Android Studio 4. To open the Build Analyzer window, proceed as follows:. The Build Analyzer window organizes possible build issues in a tree on the left. You can inspect and click on each issue to investigate its details in the panel on the right. You can also get details on warnings by expanding the Warnings node. This means that you can now include standard language APIs that were available only in recent Android releases such as java.
Note that you may also need to include the above code snippet in a library module 's build. The library module's instrumented tests use these language APIs either directly or through the library module or its dependencies. You want to run lint on the library module in isolation. This is to help lint recognize valid usages of the language APIs and avoid reporting false warnings. In previous versions of the Android Gradle plugin, all feature modules could depend only on the app's base module.
When using Android Gradle plugin 4. That is, a :video feature can depend on the :camera feature, which depends on the base module, as shown in the figure below.
Feature module :video depends on feature :camera , which depends on the base :app module. This means that when your app requests to download a feature module, the app also downloads other feature modules it depends on. For example, the :video module declares a dependency on :camera as follows:.
When building your app using Android Gradle plugin 4. When uploading your app, the Play Console inspects this metadata to provide you with the following benefits:. The data is compressed, encrypted by a Google Play signing key, and stored in the signing block of your release app.
When used with Android Studio, certain IDE features, such as the Project Structure dialog and build script quick fixes, now also support reading and writing to Kotlin build script files. Based on your feedback, we've focused our efforts on improving the user experience in the CPU Profiler in two important ways.
Some notable UI changes include the following:. This version of Android Studio includes updates to the design tools, such as the Layout Inspector and an all-new Motion Editor. Android Studio now includes a visual design editor for the MotionLayout layout type, making it easier to create and preview animations. The Motion Editor provides a simple interface for manipulating elements from the MotionLayout library that serves as the foundation for animation in Android apps.
In previous releases, creating and altering these elements required manually editing constraints in XML resource files. Now, the Motion Editor can generate this XML for you, with support for start and end states, keyframes, transitions, and timelines. To learn more about how to use the Motion Editor, see the user guide.
Along with many of the same features of the existing Layout Inspector, the Live Layout Inspector also includes:. You can use the Live Layout Inspector only when deploying your app to a device or emulator running API level 29 or higher. Then click the checkbox next to Live updates above the Layout Display. Layout Validation is a visual tool for simultaneously previewing layouts on different devices and configurations, helping you detect layout errors and create more accessible apps.
You can access this feature by clicking on the Layout Validation tab in the top-right corner of the IDE window:. In the Layout Validation window, you can select from four different configuration sets, including:. Android Studio now provides smart editor features when you open code shrinker rules files for R8, such as syntax highlighting, code completion, and error checking. The editor also integrates with your Android Studio project to provide full symbol completion for all classes, methods, and fields, and includes quick navigation and refactoring.
Android Studio now includes Android live templates for your Kotlin classes. For example, you can now type toast and press the Tab key to quickly insert a Toast. To learn more about developing for Android 11, see the Android 11 documentation.
The value for ndk. If you delete Android downloads by mistake, you can also recover them back with ease. What should you do if you delete the download on Android tablets by mistake?
Tipard Android Data Recovery should be the best to retrieve deleted downloads from Android. The program is able to recover Android data, such as contacts, photos and more on Mac. Once you download and install the latest version of Tipard Android Data Recovery, you can launch the program on the computer. And then connect Android phone to the computer with USB cable. The program will detect the deleted downloads on Android. In order to make sure that Android phone is recognized by Windows or Mac, which you need to open the USB debugging mode on the main interface.
And then you need to confirm on both Android phone and computer to recognize your device. Once you scan the Android for the deleted downloads, you can recover contacts, messages, messages attachments, call logs, photos, gallery, picture library, videos, audios and other documents that you deleted by mistake. After that you can preview the deleted downloads from Android. Available for Windows 10 and MacOS, this desktop software will scan all deleted items and present a list of data you can pick and choose to recover.
It even retrieves deleted photos, videos, messages, and photos delivered through WhatsApp. Android Recovery. This restoration tool supports the most modern Android devices. You can also download and install the application on both MacOS and Windows-based devices. This program will enable you to promptly retrieve text messages, images, videos, and even information from third-party apps like WhatsApp and others.
In addition, it can help you to collect lost files from your device, resulting from a system failure, rooting error, and many more unfortunate situations.
This specific software will allow you to recover information from machines operating on the latest version of Android, all the way back to the ancient Android 2. It can even retrieve WhatsApp data. This application will allow you to save texts and call records. It runs on devices with the Android 4. In fact, you should occasionally delete the unnecessary or old downloads to free up storage space, especially the APK files for the apps you have installed.
For instance, you can compress large audio files , move photos and videos to a cloud storage service like Google Photos , add an SD card if your phone supports it, etc. Deleting downloads, however, remains one of the best ways to free up space on Android phones. You can also change the downloads location on your Android phone, move Android apps to an SD card , or uninstall apps to get more storage.
Mehvish is a technology enthusiast from Kashmir, India. A computer engineer by degree, she's always been keen to help when someone finds technology challenging. Affiliate Disclosure: Make Tech Easier may earn commission on products purchased through our links, which supports the work we do for our readers.
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