- Huawei Hardware Profiles For Android Studio
- Hardware Profiles For Android Studio 2019
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What is an Android Virtual Device (AVD)? An AVD is an emulation of a real Android machine on a PC. It enables testing of Android applications (Apps) on a code development computer.
Android Studio is used for creating the sample app. Click on File - New Project to create a basic app with a single main activity. As our x86 Google API image is using API level 19, make sure to use the same one for Compile and Target options. The following screenshot shows all the options chosen for our sample app. If all the existing virtual devices do not fit your needs, click New Hardware Profile or Import Hardware Profiles button to add your customized virtual devices as you need. For normal use, choose an existing one is enough. Click Next button, then System Image window will be shown. This window list various versions of android OS. The Select Hardware dialog allows us to install and edit all the device profiles listed in the previous drop-down as well as the option to create or import a definition. A standalone version of the AVD manager can be run from user AppData Local Android sdk. Nexus 4 and 6 emulators. IOS (Xcode 8.3.3) For iOS apple gives us the “Simulator” which comes with Xcode and the setup is pretty straightforward in comparison with android, so to open it in. Jul 06, 2010 Step 4: Creating an AVD to Emulate the Motorola Droid The Motorola Droid is one of the most prevalent Android phones available in the United States today. It’s also different from many of the other newer Android handsets in that it has a hardware keyboard.
Why Use Android Virtual Devices?
Android has been around for a few years with devices manufactured to cover various market segments, from mobile and tablet through to watches and TV. There are low cost devices and high specification, high value devices and a wide range of hardware options. For all these reasons there is a large range of Android devices running various operating system (OS) versions. A successful App will run on many of these devices. However, an App developer may not physically own a good range of devices. Testing is done on a small selection of real devices supported by AVDs.
Use AVDs to Test Apps on Different Hardware Profiles
The Android Software Development Kit (SDK) comes with the device emulation tool. Allowing different combinations of AVD hardware and OS versions to be configured. Testing on different AVD combinations reduces issues related to hardware differences in real devices, as used by Android Play customers. Boosting confidence that the App will run reliably when released.
Other reasons for using AVDs for testing:
- Multiple AVD configurations to test an App at different screen sizes.
- Different (emulated) hardware configurations can be used, for example a device with a keyboard or without.
- A compiled App is automatically installed and started when the Run button is pressed in Android Studio.
- Testing on AVDs reduces the amount of physical device testing.
- AVDs can be used alongside a physical device.
- You don't need to handicap you physical device to induce error conditions, e.g. testing on a device with no SD card, just set up an AVD with no SD card.
- An AVD can simulate network events without the costs involved in using a physical device, e.g. simulate phone calls or send an SMS between two AVDs.
- Simulate GPS data from an AVD from different physical locations without moving from your desk.
- When App users report bugs you can try and mimic their hardware configurations using AVDs.
Note: Real Android devices plugged into development machines usually provide better performance for testing Apps than AVDs.
Configuring an AVD
Set up an AVD for App testing using the AVD Manager program. In Android Studio to run AVD Manager use the toolbar icon or select Android in the Tools menu. (There is a version of AVD Manager.exe that can be run outside of Studio, in the Android SDK install directory. To locate it in Windows type AVD at the Start screen to find it.)
To create an AVD select the Create Virtual Device button. The Virtual Device Configuration wizard loads.
Choose a common predefined device or generate a new device profile for testing specific hardware configurations. Use the remaining wizard screens to configure the AVD.
Hardware Profile Settings
This table lists the AVD supported properties that can be configured for emulatedhardware and AVD start up configuration.
Property | Values | Description |
---|---|---|
Device Name | String | Name of the device profile |
Device Type | Phone/Tablet, Wear or TV | Device category |
Screen Size | Inches | Length of screen diagonal |
Resolution | X and Y Pixels | Number of width and height pixels |
Memory | Set RAM in bytes, KB, MB, GB or TB | Amount of physical RAM emulated |
Hardware Input | Physical Back/Home/Menu buttons and Keyboard | Emulate buttons and keyboard |
Orientation | Portrait and/or Landscape | Supported orientation states |
Cameras | Front and/or Back | Supported cameras (emulated or PC cam) |
Sensors | Accelerometer, Gyroscope, GPS, Proximity | Supported sensors |
Skin and frame | Select appearance | Skin the emulated device |
System | Select Android OS version | Android API to emulate |
Scale | Auto or select dp units to pixels | Customise screen density |
Performance | Auto, GPU for graphics, software emulation | GPU Emulation |
Multi-Core | 1 to 4 | Select number of cores |
Network Speed | Full, HSDPA, UMTS, EDGE, GPRS, HSCSD, GSM | Emulate the network speed |
Network Latency | UMTS, EDGE, GPRS | Emulate the network latency |
VM Heap | Java heap in bytes, KB, MB, GB or TB | Java Virtual Machine heap |
Internal Storage | Non-removal space in bytes, KB, MB, GB or TB | Emulated internal memory |
SD card | Size in bytes, KB, MB, GB or TB or existing file | Emulated removable SD card |
Keyboard | Enable/Disable | Allow keyboard input |
Notes on AVD Settings
- CPU/ABI refers to the target CPU type and the Application Binary Interface (ARM/x86/x86_64). x86 targets perform better than ARM, especially with the Intel Hardware Acceleration Manager (HAXM) installed (by default) on the development computer.
- When naming a new emulated Android device make it descriptive, for example if emulating a device with a version 4.4 operating system and medium resolution screen (HVGA) a name such as And-v4.4-HVGA is better than Android-Device as it is easier to pick out in the list of configured AVDs.
- For the emulated Secure Digital (SD) card the bigger the specified size the bigger the file created on the host computer. Alternatively select an existing SD card image, allowing SD card data sharing amongst different AVDs. On a Windows machine the sdcard.img files will be found in the sub-folders of the avd directory, under the .android directory in the logged on user's profile. (Use the Show on Disk drop down menu option next to the AVD listed in the AVD Manager.)
- Use snapshots if you want the runtime state of the emulated device to persist between sessions. It also reduces the start up time of an AVD for subsequent runs. Though shutdown is longer as the snapshot is written to disk, and host GPU cannot be used to improve AVD graphics performance.
- Use the Wipe Data drop down menu option in the AVD Manager to clear data in the AVD. When the AVD is started the user data file is reset, any user data generated from previous sessions of the selected AVD is lost.
Note on HAXM
The Intel Hardware Accelerated Execution Manager (HAXM) software is installed by default with Android Studio (unless deselected), alternatively see the Intel HAXM home page. HAXM is a hardware assisted virtualization engine (hypervisor). To benefit from HAXM the following is required:
- Check the bios documentation for your PC to see if the motherboard and processor of your development machine supports Intel VT (Virtualization Technology).
- Intel VT must be turned on in the BIOS (see your PCs documentation on how to do that).
- If HAXM has not been installed by Studio download it via the Android SDK using SDK Manager (under Extras) or from Intel. The version of HAXM installed by Studio is out of date. Uninstall it via control panel and install the latest version.
Launching AVDs
Once the AVD has been defined it will be listed in the AVD Manager window. The AVD is ready to be loaded using the launch (i.e. run or play) button. Once loaded it can be used like any other Android device and driven from the mouse (or keyboard) of the development computer.
See Also
Additional details on AVDs and emulation is available in the Android developer documention. The emulator key mapping is a useful reference.
This guide teaches developers how to set up their workstations in order to use Samsung Mobile SDKs in their apps. It covers basic topics such as how to download and install the SDK.
This section covers:
- System Requirements.
- Downloading Samsung Mobile SDKs.
- Getting started with Android Studio.
Huawei Hardware Profiles For Android Studio
1. System Requirements
Hardware Profiles For Android Studio 2019
To develop apps for Samsung mobile devices, you must first set up your Android development environment. If your development environment is already configured, you can skip this section.
- Verify that your development system meets the requirements specified by the Android System Requirements.
- Set up your Java environment:
To develop Android apps in Java, you need the following:
- Java Development Kit (JDK) — this provides the tools required to build a Java app.
- Java Runtime Environment (JRE) — this lets you run Java apps on your computer.
To set up these components:1. Go to Java SE Downloads.2. Click Java Download to display the download page for the latest version of JDK, which includes JRE.3. Click the download package for your operating system: Windows, Mac OS X, or Linux.4. Install the JDK package. For details about the installation, see the Java Platform Installation.
- Download Android Studio:
- Go to Android Studio.
- If the browser has detected your operating system, click Download Android Studio. Otherwise, click Download Options and select a different platform: Windows, Mac OS X, or Linux.
- Unzip and install the bundle. It includes essential components and the Studio IDE.
- Launch Android Studio.
- If you get a notice of Platform and Plugin Updates, click update to exit Studio and launch the SDK Manager. Then install the suggested packages.
2. Downloading Samsung SDKs
Downloading SDKs from Samsung Developers:
- Go to Mobile page
- Select the SDK you want to download
- Go to the Resources page for the SDK
- Click the download button
- Read the license agreement, select I agree to this SDK License Agreement and click Download
- Unzip the downloaded SDK to a folder of your choice. The SDKs typically provide the following folders
- Docs: Programming guides and API references
- Libs: Java and C libraries to use in your app
- Samples: Sample apps showing example source code
- Tools: Additional tools that may be needed to use the SDK
- Extras: Additional support resources
3. Getting started with Android Studio
This section describes how to create your first project in Android Studio and run an app.
Creating an Android Studio project
- Launch Android Studio.
- Create a new project by clicking File > New Project
- Fill out the fields:
- Application name: your app name
- Company domain: the qualifier for your app package name.
- Package name: this is the combination of the company domain and application name, which must be unique across all packages in the Android environment. Android generates this from the application name and company domain values.
- Project Location: the directory where your app is stored. You can use the default or specify another location, if desired.
- Click Next
- Select the type of device you want to target, for example, Phone and Tablet
- Select the Minimum SDK level you need to support the SDKs you’re using. In this example, select API 21. Click Next
- Use the default Empty Activity type and click Next. For more about activities, see Android Activities.
- Use the default Activity Name and Layout Name and click FinishFor more about creating a project in Android Studio, see Creating Projects.
Adding a Samsung library to Android Studio
To use a Samsung SDK in your app, you add the library files that are bundled with the SDK to your Android Studio project.
- Open your project in Android Studio.
- Use a file browser to navigate to the folder containing the Samsung SDK
- Open the add-on SDK folder, then open:
- Docs > API Reference > index.html: to see what libraries and API methods are provided by the SDK
- Libs folder: to copy the libraries you want to use in your app
- In your Android Studio project, top-left drop-down menu, change the Android view to Project
- Right-click your app’s libs directory and select Paste
- In the Copy dialog, click OK to paste the copied files into your project
- The libraries now appear in your project under the libs folder
- Right-click the libraries and select Add As Library.
- Select the module to add the library to. If your app contains several modules, ensure that you add the library to the appropriate module. Click OK.Your project now includes the SDK you downloaded.
Running the App
Android Studio provides two ways to compile and test your app:- On an Android Virtual Device (AVD)- On a physical Samsung deviceTo run your app:
- Plug your Samsung mobile device into your computer using a USB cable
- If you are using a Windows computer, go to Samsung Android USB Driver for Windows, then download and install the USB driver onto your computer
- Enable developer options on your device by going to Settings > About device > Software info and tapping Build number seven times. (Devices with Android 4.1 or older already have developer options displayed by default.)
- Turn on USB debugging by tapping Settings > Developer options > USB debugging
If My Knox is installed, USB debugging is grayed out; try using another device.
- In Android Studio, with your project open, click Run > Run 'app' (or press Shift + F10)
- Select the device you want run the app on, under either Connected Devices or Available Emulators
Running a sample app
Hardware Profiles For Android Studio
The sample apps are in the Samples folder of the SDK you downloaded.To run a sample app:
Hardware Profiles For Android Studio Download
Hardware Profiles For Android Studio 2
- Open Android Studio
- In the top navigation menu, select File > Open
- Navigate to the sample app directory in the SDK you downloaded
- Click OK to import the file to your project