- Source Code For Android Apps
- Android Retail App Source Code Free Download For Pc
- Android Retail App Source Code Free Download Windows 7
- Free App Source Codes
Download an Android project with source code and start using Back4App Introduction. In this section you learn how to get started with an Android Studio template and get ready to use Back4App in 3 easy steps. If you want a detailed Quickstart guide or connect Back4App to an existing project, go to our Install Parse SDK tutorial.
Yesterday we spoke about the importance of devising a niche for your Android app business. A niche subject area will open a gap in the app market for you to develop an Android app business, build an audience following and build your brand. Creating an app business within a niche area has been simplified, thanks to the full range of Android app templates available at AppsGeyser. In today’s post, we are going to be listing the full range of app making templates, available for you to use, for free.
Create Android app business today – 50 templates to choose from
An app making template is the basis of your app that contains all the coding. All you need to do is to choose a template from our range of Android app templates and add your content. To simplify this even further, AppsGeyser has created an easy to use dashboard. This allows you to input your content into your chosen template without having to know even a single piece of code.
The template range offers various styles, from content rich templates, such as the website URL styled template, to the fun to use gaming templates
Here is a list of all the app templates currently available for free. Time to make an app and get your app making business off the ground.
- Website — Create a link to your existing website and turn it into an app
- Browser — Turn your app into a mobile browser to search external content from within your app
- Business — Make a quick app for your business, like a business card app
- YouTube – Create a link to online videos
- TV — Turn your app into a TV viewer
- Wallpaper — Get your images shared via mobile
- Page — Ceate an offline app from scratch in a few clicks
- HTML — Use your HTML knowledge to create a website styled app that is available offline
- Web App — Use your existing HTML coded files to upload to make your website available as an app offline
- News — RSS feeds are popular news style apps
- 2048 Game — Use your images to make a game
- Quiz — Create a list of questions to test your audience’s knowledge
- Shooting Arcade — Classic game app
- Decision Maker — Roulette style game
- Spaceship Game — Alien style game
- Coloring Game — Let your audience colour in your images
- Document — Upload your file to make an offline app
- Audio — Connect your app to your favourite music files online
- Penguins Shooting — Fun game app
- Jump Man — Fun fast jumping game
- Blink – 3D styled puzzle
- Tap Wars – 2 player game that is based on time
- 4 Pics 1 Word – Fun game app
- Scratch Quiz — Fun game app
- Match 2 Pictures – Fun game app
- Magic Ball — Fun decision making app
- Chicken Snake — Lead your chickens on the lawn
- Chase the Ghost — Get to the ghosts before they get you
- Match 3 In A Row — Fun gaming app
- Spin the Bottle — Fun gaming app
- Catch the Ghost — Fun gaming app
- Tap the Cookie — Fun gaming app
- 15 Game — Fun gaming app
- Fishing — Fun gaming app
- Fall Down — Fun gaming app
- Volleyball –Game of skill
- Caves 3D — 3D timebound game of skill
- Basketball — Another gaming app
- Calculator — Make your own calculator to use as you need
- Facebook — Turn your Facebook page into an app in an instant
- Messenger – Don’t want WhatsApp anymore? Then make your own messenger styled app
- Ragdoll – Great fun gaming app
- Cube Sprint — Move the cubes and beat the game
- Color Change – Old school gaming app
- Website promotion app – Use your website URL to make an app in an instant
- Ecommerce App – Turn your commerce website into an app
- Taxi App – Need a taxi? Turn to this app for details
- Law Firm — An app especially for law firms
- Restaurant — Do you run a restaurant? Then this is the template for your business
- Real-estate – Turn your real-estate business into a mobile business
- Currency Convertor — Find out what your money is worth today
With so many free app making templates to choose from it is sometimes difficult to decide which best suits your needs. Why not try a few out, see which you like and test them on your app audience. In order to make a great app network we advise that you use a minimum of free app making templates.
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Android 7.1.1 and later offer system-level support for retail mode sousers may readily examine the devices in action. Android 8.1 revisesthis support to create demo users via Device Policy Manager. Thisallows much greater OEM customization to the standard retail mode.
Android 8.1 and later
Through Device Policy Manager, Android 8.1 supports demonstratingdevice functionality to users in retail stores. While Device Policy Manager'sAPIs can be used on versions prior to 8.1, demo-type users cannot be createdwith createAndManageUser prior to 8.1.
Implementation
Provisioning
Set
Settings.Global.DEVICE_DEMO_MODE
to 1 prior toprovisioning to indicate that the device should enter retail mode. SystemServer will use this flag to manage aspects of retail mode, such as powerprofile. In addition, retail employees must grant device ownership to thedemo application. Once a consumer setup is complete, device owners cannotbe set.Creating the demo application
Device owner apps do not need elevated privileges or pre-installation on thesystem image. They are mostly implemented like traditional apps, with thefollowing differences:
- All device owner apps must extend the
DeviceAdminReceiver
component, which serves as the authorization token for all Device PolicyManager APIs. The component must hold theandroid.permission.BIND_DEVICE_ADMIN
permission, include the requested special policies as metadata, and filter theandroid.app.action.PROFILE_PROVISIONING_COMPLETE
andandroid.app.action.DEVICE_ADMIN_ENABLED
intents. - The
DevicePolicyManager#MAKE_USER_DEMO
flag, which is setto create special demo-type users, is a hidden API. This flag is a constant 0x4. - Device ownership can be assigned only via Managed Provisioning.
Device Policy Manager
Device Policy Manager APIs grant all Device Owner (DO) and Profile Owner (PO)rights, except for installing packages, which is automatically allowed. A POaffiliated with a DO can use an AIDL interface to access rights that are onlygranted to the DO. Functionality available includes:
- Create users. Users created through the DevicePolicyManager areautomatically set as PO.
- Switch users.
- Set the permission policy to
PERMISSION_POLICY_AUTO_GRANT
which will automatically grant all runtime permissions. Permissions can also begranted more narrowly: a single permission to a single app. This does notapply to Appops permissions, which users must still grant on a per-user,per-app basis. - Add user restrictions. Restrictions relevant to retail mode may include,but are not limited to:
DISALLOW_MODIFY_ACCOUNTS
DISALLOW_USB_FILE_TRANSFER
DISALLOW_DEBUGGING_FEATURES
DISALLOW_CONFIG_WIFI
DISALLOW_CONFIG_BLUETOOTH
DISALLOW_INSTALL_UNKNOWN_SOURCES
DISALLOW_CONFIG_MOBILE_NETWORKS
- Enable automatic system updates. Devices will automatically download and applyOTA updates.
- Set LockTask allowed packages.
- Factory reset the device.
- Disable the keyguard.
- Prevent setting passwords / fingerprints.
- Control Wi-fi network changes. When used with the
DISALLOW_CONFIG_WIFI
user restriction, device owner apps can control access to the wifi network selectionsetting. - Reboot the device.
- Install packages through PackageInstaller.
- Set a whitelisted set of Settings.Global, Settings.Secure, and Settings.System settings.
- Block packages from being uninstalled.
Examples and additional resources
- Android Developer definitions of users, profiles, and accounts
Validation
CTS does not cover Retail Demo Mode because it is an optional feature. Testingshould be conducted manually or with unit tests for the demo application.
Android 8.0 and earlier
Android 7.1.1 introduced retail demo mode and provided a simple API to play ademonstration video. This implementation was removed in Android 8.1.
Lifecycle
Figure 1. Retail demonstration mode option in Language selection
Setup Wizard (SUW)
Retail employees can enable retail mode directly from the first screen of any setupwizard by selecting the language Retail demo at the bottom ofthe list. This option is available for new devices shipped fresh from thefactory. Once a consumer setup has completed, retail mode may no longer beavailable. Once selected, the device finishes SUW with an abbreviated flow.
Figure 2. Retail demonstration mode option in Languageselection
Guest session
When the device enters retail mode, it switches to a new demo user andautomatically starts the custom launcher specified in the overlay resource(described under Implementation). By default, this custom launcher plays thedemo video on repeat until the user touches the screen to begin a guest session.At that time, the custom launcher starts the system launcher and then exits.OEMs can alter the custom launcher to additionally launch another service oractivity on exit. See the Implementation section for details.
In order to maintain the integrity of retail mode, keyguard is disabled andcertain actions from Quick Settings that could adversely affect retail mode arealso disallowed, including:
- Airplane mode toggle
- Removing or modifying Wi-Fi access points (Settings)
- Changing carrier (Settings)
- Configuring hotspot (Settings)
- User switching
Additionally, access is also blocked to some global settings that can affectretail mode by disabling:
- Wi-Fi settings
- Cellular network configuration options, particularly hotspots
- Bluetooth configuration
- Backup & Reset, Date & Time, and Mobile Networks (they do not show up atall)
If the user is idle for some period of time (90 seconds by default), retail modewill show a system dialog to prompt the user to either exit the session orcontinue. If the user chooses to exit or if there's no response for fiveseconds, retail mode kills/wipes the current demo user, switches to a new demouser, and loops through the original video again. If someone turns off thescreen using the power button, it comes back on automatically after a fewseconds.
After exiting a demo session, devices mute themselves and reset some globalsettings, including:
- Brightness
- Auto-rotation
- Flashlight
- Language
- Accessibility
Exiting retail mode
In order to exit retail mode, retail employees must factory reset the devicefrom the boot loader.
Examples and source
Find the custom launcher that plays a video in a loop within:
Implementation
Enabling RetailDemoModeService
Setup wizard sets a Global setting
Global.DEVICE_DEMO_MODE=true
toindicate that the device has entered retail mode. Upon seeing this setting,RetailDemoModeService
creates and switches to demo user when user 0is started, enables the custom launcher specified in an overlay resource, anddisables SUW. System Server and SystemUI also use this flag to manage aspectsof retail mode.Setting custom launcher orvideo player
An OEM specifies a custom launcher by overriding the framework resource
config_demoModeLauncherComponent
specified in:/frameworks/base/core/res/res/config.xml
For example, with:
The retail demo DemoPlayer app located at
/packages/apps/RetailDemo
is the default custom launcher in theAndroid Open Source Project (AOSP). The app looks for a video in/data/preloads/demo/retail_demo.mp4
and plays it in a loop. Whenthe user touches the screen, the custom launcher disables its activitycomponent, which results in the default system launcher starting up.The custom launcher must have its custom component marked as disabled by default so that itdoesn't show up in non-demo scenarios. In the demo scenario, System Serverenables the specified
config_demoModeLauncherComponent
whenstarting a new demo session.Setup wizard also looks for the above video to provide an affordance to enterretail mode. SUW can be modified to look for some other OEM-specific sign thatretail mode is supported if the video is not a part of the demo.
If there are system A/B partitions, the system B partition must contain the demovideo at
/preloads/demo
. This gets copied to/data/preloads/demo
on first boot.To set retail mode-specific settings, use:
Settings.Global.retail_demo_mode_constants
. E.g.:user_inactivity_timeout_ms=90000,warning_dialog_timeout_ms=10000
Note: 90000 milliseconds is the currenttimeout default but is configurable.
Finding sample images
Source Code For Android Apps
This feature places sample photos in a special folder that is visible to anygallery app. The photos are available only in demo mode and cannot be modifiedby the demo user as they are in a protected directory.
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Preventing Google accounts
Certain restrictions are set in the guest user, similar to manageddevice/profile policies that prevent apps and users from performing certainoperations. One of these restrictions is
DISALLOW_MODIFY_ACCOUNTS
.With this restriction, AccountManager and Settings do not allow the addition ofaccounts. Some Google apps react to this restriction and show an error message,and others will not prompt for an account (such as YouTube and Photos).OEM apps should also check if
DISALLOW_MODIFY_ACCOUNTS
is set. But this is ageneral problem not unique to retail mode. It is likely already solved forenterprise use cases.Customizing the system launcher
OEMs are free to choose their layout but should include apps that function wellon the home screen and hotseat.
Customizing built-in apps for retail demo mode
Built-in apps may have their experience for retail demo mode customized bycalling the API
UserManager.isDemoUser()
to see if the app islaunched in a demo environment.Following demo video guidelines
Demonstration videos should be in portrait layout (or natural orientation of thedevice, if tablet) and can be any length greater than five seconds. Contentshould not result in burn-in, since it will be played 24/7 when on display.
Maintenance
Bringing the device out ofretail mode
This can be done only by factory resetting from the boot loader.
Auto-OTA of system software
By default, when retail mode is enabled, device policy is set to over-the-air(OTA) update automatically. Retail devices will download, reboot, and installthe update (respecting battery thresholds) without confirmation even if it ismarked as optional.
Caution:If using System A/B partitions for OTA, once an OTA is received, the devicecannot find original retail mode resources in the System B partition. So anysubsequent factory reset will result in an inability to go back into retailmode.
Android Retail App Source Code Free Download For Pc
Updating demo video via the web
The RetailDemo app in
/packages/apps/RetailDemo
has the ability toupdate the demo video if there is network connectivity. The URL to download thevideo from can be configured by overriding the following string value in theRetailDemo app:If different videos need to be used in different regions, then differentdownload URLs can be configured by using locale-specific string resources
res/values-*/strings.xml.
For example, if different videos need tobe used in the U.S. and the U.K., then corresponding download URLs can be placedin res/values-en-rUS/strings.xml
andres/values-en-rGB/strings.xml
, respectively.In
res/values-en-rUS/strings.xml
:Android Retail App Source Code Free Download Windows 7
And similarly in
res/values-en-rGB/strings.xml
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This video will be downloaded at most once per every device reboot. When thevideo on the device is being played, RetailDemo app will check in the backgroundif the download URL is provided and the video at the URL is newer than the onebeing played.
If so, RetailDemo app will download this video and start playingit. Once this video is downloaded, the downloaded video will be used for playingin the demo sessions going forward. None of the checks happen again until afternext reboot.