Leos Literak 7, 13 13 gold badges 63 63 silver badges bronze badges. Isura Amarasinghe Isura Amarasinghe 7 7 silver badges 12 12 bronze badges. Works perfect for me. But in my case, the database file name has no.
Use File Explorer in eclipse. This is a great answer, thank you. Worked for me for extracting a single-app backup created on a Xiaomi device with. No rooting required — Russian.
Hope this helps someone. I struggled with this for hours! Jayanth 5, 3 3 gold badges 17 17 silver badges 35 35 bronze badges. I use MEmu Android Emulator. You can download a sigle file like that: adb exec-out run-as debuggable. For this do the following steps THelper noticed above: adb shell run-as com. Russian Russian 1, 10 10 silver badges 15 15 bronze badges.
This method will help you to create database on sd-card. Simply provide a path of File pointing to SD-Card and you are good to go — waqaslam. Vito Vito 1, 9 9 silver badges 19 19 bronze badges. The question is: how-to-access-data-data-folder-in-android-device? All action for copy file is not accessible if the file doesn't share Read permission to Others — Steve Luck.
Why not just create test page that display your database table in it using 'select' statment. The Overflow Blog. Introducing Content Health, a new way to keep the knowledge base up-to-date. Podcast what if you could invest in your favorite developer?
Featured on Meta. Click Apply changes to add the specified display s to the running virtual device. When you create a new project using Android Studio, you can now select from three templates from the Automotive tab in the Create New Project wizard: No Activity , Media service , and Messaging service.
The Create New Module wizard then guides you through creating a new module using one of the Android Automotive project templates.
When downloading SDK components and tools using the SDK Manager, Android Studio now allows you to resume downloads that were interrupted for example, due to a network issue instead of restarting the download from the beginning. This enhancement is especially helpful for large downloads, such as the Android Emulator or system images, when internet connectivity is unreliable.
In addition, if you have an SDK download task running in the background, you can now pause or resume the download using the controls in the status bar.
A background download task in the status bar with new controls that let you pause or resume the download. The Windows bit version of Android Studio will no longer receive updates after December , and it will no longer receive support after December You can continue to use Android Studio.
However, to receive additional updates, upgrade your workstation to a bit version of Windows. To learn more, read the Windows bit depreciation blog. For large projects, retrieving the task list could cause slow sync times. When you enable this option, Android Studio skips building the task list during sync, which allows Gradle Sync to complete faster and improves UI responsiveness.
Keep in mind, when the IDE skips building the task list, the task lists in the Gradle panel are empty, and task name auto-completion in build files does not work. Then, near the top of the Gradle window, click Toggle Offline Mode. Thank you to all of our community contributors who have helped us discover bugs and other ways to improve Android Studio 3.
In particular, we'd like to thank the following people who reported bugs:. Beginning with the release of Android Studio 3. For information about these and other Project Marble updates, read the Android Developers blog post or the sections below. We also want to thank all of our community contributors who have helped with this release.
This minor update includes various bug fixes and performance improvements. This section describes the changes in Android Studio 3. Android Studio now notifies you if it detects that you could improve performance by increasing the maximum amount of RAM that your OS should allocate for Android Studio processes, such as the core IDE, Gradle daemon, and Kotlin daemon. To learn more, see Maximum heap size.
A notification about recommended memory settings. Memory problems in Android Studio are sometimes difficult to reproduce and report. When you do so, the IDE locally sanitizes the data for personal information before asking whether you want to send it to the Android Studio team to help identify the source of the memory issues.
To learn more, see Run a memory usage report. A memory usage report. Android Studio now automatically checks whether certain project directories are excluded from real-time antivirus scanning. When adjustments can be made to improve build performance, Android Studio notifies you and provides instructions on how to optimize your antivirus configuration.
To learn more, see Minimize the impact of antivirus software on build speed. Apply Changes lets you push code and resource changes to your running app without restarting your app—and, in some cases, without restarting the current activity. Unlike Instant Run, which rewrote the bytecode of your APK, Apply Changes redefines classes on the fly by leveraging the runtime instrumentation supported in Android 8. The toolbar buttons for Apply Changes.
The IDE has a new drop-down menu that lets you quickly select which device you'd like to deploy your app to. This menu also includes a new option that lets you run your app on multiple devices at once. Target device drop-down menu.
The IDE now better detects when Gradle periodically clears your build cache when reducing its hard disk consumption. In previous versions, this state caused the IDE to report missing dependencies and Gradle sync to fail.
Now, the IDE simply downloads dependencies as needed to ensure that Gradle sync completes successfully. The Build window now provides better error reporting, such as a link to the file and line of the reported error, for the following build processes:.
Improved update experience to provide more information and actions to help you update the IDE and the Android Gradle plugin. For example, more sync and build errors include actions to help you mitigate errors when updating. So, you can safely update the IDE as soon as a newer version is available, and update other components later. When working with ConstraintLayout , a new Constraints section in the Attributes panel lists the constraints relationships of the selected UI component.
You can select a constraint either from the design surface or from the constraints list to highlight the constraint in both areas.
Constraint relationships for a selected UI element. Similarly, you can now delete a constraint by selecting it and pressing the Delete key. You can also delete a constraint by holding the Control key Command on macOS and clicking on the constraint anchor.
Note that when you hold the Control or Command key and hover over an anchor, any associated constraints turn red to indicate that you can click to delete them.
When you create a new constraint, the Layout Editor now selects and highlights the constraint, providing immediate visual feedback for what you've just added. Using the constraint widget to create constraints. When creating a constraint, the Layout Editor now shows only the eligible anchor points to which you can constrain.
Previously, the Layout Editor highlighted all anchor points on all views, regardless of whether you could constrain to them. In addition, a blue overlay now highlights the target of the constraint. This highlighting is particularly useful when attempting to constrain to a component that overlaps with another. Creating a constraint for an overlapping component in Android Studio 3. In addition to the above updates, Android Studio 3. In addition to adding incremental annotation processing support for Data Binding, the IDE improves smart editor features and performance when creating data binding expressions in XML.
Code editor performance on Android Studio 3. This feature simplifies build configuration per module and can also improve Gradle sync performance. You can now use multiple versions of the NDK side-by-side. This feature gives you more flexibility when configuring your projects—for example, if you have projects that use different versions of the NDK on the same machine. If your project uses Android Gradle plugin 3. You can use this feature to create reproducible builds and to mitigate incompatibilities between NDK versions and the Android Gradle plugin.
To get started, download Android Studio on your compatible Chrome OS device and follow the installation instructions. Conditional delivery allows you to set certain device configuration requirements for feature modules to be downloaded automatically during app install. For example, you can configure a feature module that includes functionality for augmented reality AR to be available at app install for only devices that support AR. This delivery mechanism currently supports controlling the download of a module at app install-time based on the following device configurations:.
If a device does not meet all the requirements you specify, the module is not downloaded at app install-time. However, your app may later request to download the module on demand using the Play Core Library.
To learn more, read Configure conditional delivery. The last IntelliJ version that was included with Android Studio was For more information about the improvements from other IntelliJ versions that are included cumulatively with this release of Android Studio, see the following bug-fix updates:.
In particular, we'd like to thank the following people who reported P0 and P1 bugs:. The new Project Structure Dialog PSD makes it easier to update dependencies and configure different aspects of your project, such as modules, build variants, signing configurations, and build variables.
You can find descriptions of some of the new and updated sections of the PSD below. The new variables section of the PSD allows you to create and manage build variables, such as those to keep version numbers for dependencies consistent across your project.
Configure properties that are applied to all build variants in an existing module or add new modules to your project from the Modules section. For example, this is where you can configure defaultConfig properties or manage signing configurations. Inspect and visualize each dependency in the dependency graph of your project, as resolved by Gradle during project sync, by following these steps:. Depending on the type of dependency you select, you should see a dialog, similar to the one below, that helps you add the dependency to the module.
In this section of the PSD, create and configure build variants and product flavors for each module in your project. You can add manifest placeholders, add ProGuard files, and assign signing keys, and more.
See suggested updates for project dependencies and build variables in the Suggestions section, as shown below. Resource Manager is a new tool window for importing, creating, managing, and using resources in your app. The Resource Manager allows you to do the following:. To learn more, read the guide about how to Manage app resources.
When you provide debugging symbol files for the. If you build the native libraries in your APK with a build ID, Android Studio checks whether the build ID in your symbol files matches the build ID in your native libraries and rejects the symbol files if there is a mismatch.
If you did not build with a build ID, then providing incorrect symbol files may cause problems with debugging. R8 integrates desugaring, shrinking, obfuscating, optimizing, and dexing all in one step—resulting in noticeable build performance improvements. R8 was introduced in Android Gradle plugin 3. Now, with R8, desugaring, shrinking, obfuscating, optimizing, and dexing D8 are all completed in one step, as illustrated below.
So, in this unlikely situation, you might need to add additional rules to keep that code in your build output. All argument types supported by the Navigation component are now supported in the Navigation Editor.
For more information on supported types, see Pass data between destinations. The Attributes pane in the Layout Editor has been streamlined into a single page with sections you can expand to reveal attributes you can configure.
The Attributes pane also includes the following updates:. For example, if you reference the WorkManager class without first importing the required android.
In particular, because Jetpack repackaged the support library into discrete packages that are easier to manage and update, this intention action helps you quickly add only the dependencies you need for the Jetpack components you want to use. The Navigation Editor lets you quickly visualize and build navigation into your app by using the Navigation Architecture Component. For more information, see Implement navigation with the Navigation Architecture Component.
The Delete Unused Android Studio Directories dialog then displays locations, sizes, and last-modified times of these unused directories and provides an option to delete them. Lint, when invoked from Gradle, is significantly faster—larger projects can expect lint to run up to four times faster. The Create New Project wizard has a new look and contains updates that help streamline the creation of new Android Studio projects.
Based on user feedback, rendering performance while using the profilers has been greatly improved. Please continue to provide feedback , especially if you continue to see performance issues.
To improve app performance while profiling, the Memory Profiler now samples memory allocations periodically by default. If desired, you can change this behavior by using the Allocation Tracking dropdown when testing on devices running Android 8. Using the Allocation Tracking dropdown, you can choose from the following modes:.
Off: turns memory allocation off. If not already selected, this mode is enabled automatically while taking a CPU recording and then returned to the previous setting when the recording is finished.
You can change this behavior in the CPU recording configuration dialog. This data might be useful when investigating bottlenecks that cause UI jank and low framerates. For example, each frame that takes longer than the 16ms required to maintain a smooth framerate is displayed in red. To see frame rendering data, record a trace using a configuration that allows you to Trace System Calls. After recording the trace, look for info about each frame along the timeline for the recording under the section called FRAMES , as shown below.
To learn more about investigating and fixing framerate issues, read Slow rendering. The event timeline now shows when fragments are attached and detached. Additionally, when you hover over a fragment, a tooltip shows you the fragment status.
Previously, the Network profiler displayed only raw text from connection payloads. In the Response and Request tabs, click the View Parsed link to display formatted text, and click the View Source link to display raw text.
For more information, see Inspect network traffic with Network Profiler. For more information, see Auto-download missing packages with Gradle. Android Studio now includes support for static code analysis using Clang-Tidy for projects that include native code. When selecting this inspection in the Settings or Preferences dialog, you can also see the list of Clang-Tidy checks that are enabled and disabled under the Option section of the right-most panel.
To enable additional checks , add them to the list and click Apply. CMake version 3. Note that Gradle still uses version 3. For more information on configuring CMake in build. In other words, you can now build and deploy both installed app and instant experiences from a single Android Studio project and include them in a single Android App Bundle. Syncing your project with your build configuration is an important step in letting Android Studio understand how your project is structured.
However, this process can be time-consuming for large projects. If your project uses multiple build variants, you can now optimize project syncs by limiting them to only the variant you have currently selected. You need to use Android Studio 3. When you meet these requirements, the IDE prompts you to enable this optimization when you sync your project. The optimization is also enabled by default on new projects. For more information, see Enable single-variant project sync.
Material design with pixel-density material. Show 1 more comment. Active Oldest Votes. Add a comment. Pretty much everything about this and how to achieve the best support for multiple screens of different sizes and densities is very well documented here: Supporting Multiple Screens Screen size Actual physical size, measured as the screen's diagonal.
Screen Sizes and Densities. Bruiser Bruiser Vishal Yadav 3, 3 3 gold badges 21 21 silver badges 41 41 bronze badges. How the fontsize is represened? I have an app the text shows bigger in some modal.
So it comes to the next line or fully occupying the spaces. How does this fontsize will be set to show as good in android — sejn.
Lower resolution screen Higher resolution, same size Physical Width 1. Rahul 2, 2 2 gold badges 24 24 silver badges 39 39 bronze badges. Amit Gajera Amit Gajera 3, 1 1 gold badge 13 13 silver badges 14 14 bronze badges.
Moreover you should have a clear understanding of the following concepts: Screen size: Actual physical size, measured as the screen's diagonal. Screen density: The number of pixels within a physical area of the screen; usually referred to as dpi dots per inch.
Orientation: The orientation of the screen from the user's point of view. Resolution: The total number of physical pixels on a screen.
Density-independent pixel dp : A virtual pixel unit that you should use when defining UI layout, to express layout dimensions or position in a density-independent way. Use it for everything margin, padding, etc. To get the same size on different screen densities, Android translates these units into pixels at runtime, so there is no tricky math for you to do.
Mina Gabriel Mina Gabriel Definitions px or dot is a pixel on the physical screen. Use sp for Text size. Use dp for everything else. It should be ppi instead of dpi — Prateek.
The following units of measure are supported by Android: dp Density-independent Pixels - An abstract unit that is based on the physical density of the screen. Also: what is the added value of this answer? There doesn't seem to be anything that hasn't already been mentioned in other answers.
RKRK 1, 5 5 gold badges 14 14 silver badges 17 17 bronze badges. Joe Plante Joe Plante 6, 2 2 gold badges 28 28 silver badges 23 23 bronze badges. Nirav Ranpara Nirav Ranpara Otherwise precision lose will happen while multiplying with 0. Community Bot 1 1 1 silver badge. Arunjyothis Arunjyothis 1, 1 1 gold badge 10 10 silver badges 11 11 bronze badges.
Zephyr Zephyr 5, 32 32 silver badges 32 32 bronze badges. EnesBattal, I think because the dp isn't an acute physical size, it is a approximate value.
RuchirBaronia, I think the DP or DIP is still there inside apk, because the apk doesn't know which kind of screen density it will run with yet, so the device independence should be still kept. You can use both dp and dip at its places. Atish Agrawal Atish Agrawal 2, 1 1 gold badge 19 19 silver badges 35 35 bronze badges.
I would only use dp. While the idea of "sp" fonts has a good heart, it is a poor idea. Stick with dp for everything. Peter Mortensen You know that the font scale factor applied to sp is a factor, right? Anything that affects dp will also affect sp. That said, it's still preferable to specify font sizes using dp instead of sp if your layout is very tight and the larger sizes won't fit - better to have text smaller than what the user wants that a completely messed up layout.
But in the first instance you should always strive to respect the user's font size preference - even the biggest setting is not THAT big. We should use dp to support multiple screens.
The same for other densities Kushal Kushal 7, 7 7 gold badges 49 49 silver badges 75 75 bronze badges. You should use sp when dealing with font sizes because it takes into account the user's preferred text size, developer.
I have answered relative to layout perspective.. Please read on link you provided "so you should use this measurement unit when defining text size but never for layout sizes. The question was "Difference between px, dp, dip and sp in Android? There was no mention of "layout perspective" anywhere.
Is my answer solve your query? Large Text option forces text to become 1. Font should be in 'sp'. Best Apple Watch. Best iPad Cases. Best Portable Monitors. Best Gaming Keyboards. Best Drones. Best 4K TVs. Best iPhone 13 Cases. Best Tech Gifts for Kids Aged Awesome PC Accessories.
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