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Kotlin is a statically typed programming language that runs on the JVM and is completely interoperable with the Java programming language. Kotlin is an officially supported language for developing Android apps, along with Java. What you must know already This codelab is written for programmers and assumes that you know either the Java or Андроид приложения apk programming language. How to run your app on a device or in андроид приложения apk emulator.

How to add андроид приложения apk buttons. How to display a second screen when a button is pressed. Note: This version of the codelab requires Android Studio 3. To work through this codelab, you will need a computer that can run Android Studio 3. You can download Android Studio 3. Android Studio provides a complete IDE, including an advanced code editor and андроид приложения apk templates. It also contains tools for development, debugging, testing, and performance that make it faster and easier to develop apps.

You can use Android Studio to test your apps with a large range of preconfigured emulators, or on your own mobile device. You can also build production apps and publish apps on the Google Play store. Note: Android Studio is continually being improved. For the latest information on system requirements and installation instructions, see the Android Studio download page. The installation is similar for all platforms. Any differences are noted below. Navigate андроид приложения apk the Android Studio download page and follow the instructions to download and install Android Андроид приложения apk. Accept the default configurations for all steps, and ensure that all components are selected for installation.

After the install is complete, the setup wizard downloads ссылка на продолжение installs additional components, including the Android SDK. Be patient, because this process might take some time, depending on your internet speed. When андроид приложения apk installation completes, Android Studio starts, and you are ready to create your first project. Troubleshooting: If you run into problems with your installation, андроид приложения apk the Android Studio release notes or Troubleshoot Android Studio.

In this step, you will create a new Android project for your first app. This simple app displays the string "Hello World" on the screen of an Android virtual or physical device. How to create an перейти Android device. How to run your app on the emulator. How to wear apk your app on your own physical device, if you have one.

Step 1: Create a new project Open Android Studio. Select Basic Activity not the default. Click Next. Give your application a name, such as My First App. Make sure the Language is set to Kotlin. Leave the defaults for the other fields. Click Finish. This is usually in a folder called AndroidStudioProjects below your home directory. Builds your project this may take a few moments.

Android Studio uses Информация root apk русский нужные as its build system. You can follow the build progress at the bottom of the Android Studio window. Opens the code editor showing your project. Step 2: Get your screen set up When your project first opens in Android Studio, there may андроид приложения apk a lot of windows and tools rus apk mobileuncle open.

To make it easier to get to know Android Studio, here are some suggestions on how to customize the …. market helper apk предложить. Depending on the size of андроид приложения apk screen, consider resizing the pane on the left showing андроид приложения apk project folders to take up less space. At this point, your screen should look a bit less cluttered, similar to the screenshot shown below. Step 3: Explore the project structure and layout The upper left of the Android Studio window should look similar to the following diagram: Based on you selecting the Андроид приложения apk Activity template for your project, Android Studio has set up a number of files for you.

You can look at the hierarchy of the files for your app in multiple ways, one of which is in Project view 2. Project view shows your files and folders structured in a way that is convenient for working with an Android project. This вот ссылка not always match the file hierarchy! To see the file hierarchy, choose on-line diskdigger pro apk угодно Project files view by clicking 3.

Double-click the app 1 folder to expand the youtube 4pda apk of app files. See 1 in the screenshot. If you click Project 2you can hide or show the Project view. You андроид приложения apk not see java андроид приложения apk right away. Expand the manifests folder. This folder contains AndroidManifest. All your Kotlin language files are organized here; Android projects keep all Kotlin language files in this folder, together with больше информации Java sources.

It starts out with a skeleton test file. It starts out with a skeleton unit test file. Expand the res folder. This folder contains all the resources for your app, including images, layout files, strings, icons, and styling. Step 4: Create a virtual device emulator In this task, you will use the Android Virtual Device AVD manager to create a virtual device or emulator that simulates the configuration for a particular type of Android device.

The first step is to create a configuration that describes the virtual device. The Select Hardware window shows a list of pre-configured hardware device definitions. Choose a device definition, such as Pixel 2, and click Next. In the System Image dialog, from the Recommended tab, choose the latest release. This does matter. If a Download link is visible next to a latest release, it is not installed yet, and you need to download it first. This may take a while depending on your connection speed.

Note: System images can take up a андроид приложения apk amount of disk space, so just download what you need. In the next dialog box, accept the defaults, and click Finish. The AVD Manager now shows the virtual device you added. The icon changes once your app is running. If you get a dialog box stating "Instant Run requires that the platform corresponding to your target device Android N A dropdown menu also appears in the toolbar.

The emulator starts and boots just like a physical device. Depending on the speed of your computer, this may take a while. You can look in the small horizontal status bar at the very bottom of Android Studio for messages to see the progress. Messages that might appear смотрите подробнее in the status bar Gradle build running Waiting for target device to come on line Андроид приложения apk APK Launching activity Once your app builds and ссылка на продолжение emulator is ready, Android Studio uploads the app to the emulator and runs it.

You should see your app as shown андроид приложения apk the following screenshot. Note: It is a good practice instagram apk start the emulator at the beginning адрес your session. Step 6: Run your app on a device if you have one What you need: An Android device such as a phone or tablet.

A data cable to connect your Android device to your computer via the USB вот ссылка. If you are using a Linux or Windows OS, you may need to perform additional steps to run your app on a hardware device. Check the Run Apps on a Hardware Device documentation. On Windows, you may need увидеть больше install the appropriate USB driver for your device.

On Android https://sophiarugby.com/razvlecheniya/more-tv-apk.php. Return to the previous screen Settings. Developer options appears at the bottom of the list. Tap Developer options. Enable USB Debugging. Now you can connect your device андроид приложения apk run the app from Android Studio. Connect your device to your development machine with a USB cable. On the device, you might need to agree to allow USB debugging from your development device. In Android Studio, click Run in the toolbar по этой ссылке the top of the window.

The Select Deployment Target dialog opens with the читать далее of https://sophiarugby.com/fotografiya/forscan-apk-na-russkom.php emulators and connected devices. Select your device, and click OK. Android Studio installs the app on your device and runs здесь. Click Install and Continue, then click Finish when the process is complete. If Android Studio does not recognize your device, try the following: Disconnect your device from your development machine and reconnect it.

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17.12.2020 в 05:37