- I developed a NFC app in android. How do i do if i want,once the user scan the tag,the tag redirect the user to playstore to download my app if the user haven't install my app. If user already installed my app it should open the app instead redirect to play store. Any advice or link is highly appreciated.
- Download NFC TagInfo APK (latest version) for Samsung, Huawei, Xiaomi, LG, HTC, Lenovo and all other Android phones, tablets and devices.
Did you know that the NFC (Near Field Communication) feature on your Android device can be used for more than just Android and Samsung Pay? It’s true! Near-field communication technology has been around long before Google, Apple and Samsung decided to start making use of the technology. There are many different things users can do with NFC!
In this list we’ll go over some great uses for NFC on Android that have nothing to do with contactless payment. Each of these apps bring cool and unique uses to NFC. Here are five additional ways to make good use of the NFC apps for Android!
Note: to use these apps, your Android phone must first be equipped with the NFC feature.
1. App Beam
If you’re savvy with Android, you probably want to export an APK (Android app) from your phone to give to someone else. Doing this takes a while. First, you have to get an APK extractor. Then you have to determine how to send the APK and then upload it. With App Beam, sending apps from your phone is way easier.
All the user needs to do is select an app to transfer, then use NFC to transfer the app directly to the other device. There is no messing with third party upload sites or anything like that. If you extract and send APKs frequently, consider this tool.
Thanks for using Bluetooth anti-lost. The anti-lost device uses the newest Bluetooth 4.0 low energy technology. Through APP in Phone, the belongings (such as key, handbag), tags with the device to.
2. SuperBeam
Want to send a file to someone but don’t feel like messing around with file-transfer websites or cloud storage links? If your Android device has NFC, you may want to give SuperBeam a try. With this app users can easily send and receive files by tapping two devices together to create a direct connection.
Additionally, Superbeam supports file transfer via QR codes, download history and more.
3. Puzzle Alarm Clock
Often times, alarms get ignored because it is so easy to just click the “snooze” button. This makes waking up on time hit or miss. Introducing Puzzle Alarm Clock, an alarm clock that forces you to solve puzzles to turn off your alarm. However, an interesting feature in this alarm clock is its support for NFC stickers. With NFC stickers enabled, users will be forced to wake up and tap their phone against an NFC sticker to end the alarm.
If you’ve tried regular alarm clocks and need something new, try this app.
4. Insta WiFi
Giving guests the wireless code can be tiring. With every house guest you’re forced to either remember the key or dig around the house to find the single piece of paper with the access key written on it. With InstaWifi, this problem goes away. Using this app, users can easily create NFC tags (NFC stickers) to share wireless codes.
This is super useful because you could make several NFC stickers or cards and just pass them out for your guests to scan if they want to access the Internet. InstaWifi also supports QR codes for phones that do not have NFC.
5. NFC Tools
In this list, we’ve gone over apps that respond to NFC stickers. NFC Tools has similar features. Using this app, users can write and read data directly to NFC tags and stickers. This is very handy if you want to create your own smart card or something that interacts with NFC (like a message that can only be read with NFC, etc.).
If you’ve ever wanted to create your own NFC tags and write data to them or simply want a way to access NFC tags you find in the world, do check out this app.
Conclusion
Despite its reputation, NFC is more than just contactless payment. For a few years, people have been using NFC for things like NFC stickers or other esoteric functions like file transfers. The reality is that this technology is super interesting and doesn’t get enough coverage due to the fact that not many people understand just how useful it can be. Hopefully, as smartphones and NFC becomes more prevalent, the technology will become more popular.
Image Credit: Intel Free Press
Note:This guide describes the old implementation of Google TagManager in Android applications.New users should use Tag Manager + Firebase to implement Google Tag Managerin their Android applications.Introduction
Google Tag Manager enables developers to change configuration values in their mobile application using the Google Tag Manager interface without having to rebuild and resubmit application binaries to app marketplaces.
This is useful for managing any configuration values or flags in your application that you may need to change in the future, including:
- Various UI settings and display strings
- Sizes, locations, or types of ads served in your application
- Various Game settings
Configuration values may also be evaluated at runtime using rules, enabling dynamic configurations such as: Shel lab co2 incubator user manual.
- Using screen size to determine ad banner size
- Using language and location to configure UI elements
Google TagManager also enables the dynamic implementation of tracking tags and pixels in applications. Developers can push important events into a data layer and decide later which tracking tags or pixels should be fired.
Before you Begin
Complete the following steps before you begin this getting started guide:
- Install the Android SDK
- Download the Google Play Services SDK
- Create a Google Tag Manager account
Once you've completed these steps, the remainder of this guide will walk you through how to configure and use Google Tag Manager within your Android application. Software defined radio download mac.
Getting Started
After following this Getting Started guide, you'll understand how to: Wattpad free download.
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This guide uses code snippets from the
Cute Animals
sample application included with the Google Play Services SDK. The complete source for this project is available in: <android-sdk-directory>/extras/google/google_play_services/tagmanager/cuteanimals
.1. Adding Google Tag Manager to your Project
To add Google Tag Manager to your project:
- Set Up the Google Play Services SDK.
- If you use an IDE other than Android Studio, add the following permissions to the
AndroidManifest.xml
file: - To enable
InstallReferrerReceiver
to call the Google Analytics receiver to set the campaign data, add the following to theAndroidManifest.xml
file:
2. Adding a Default Container File to your Project
Note: If you have not yet configured your container in the Google Tag Manager web interface, return to this step once you've done so.Google Tag Manager uses a default container on the first run of your application. The default container will cease to be used as soon as the app is able to retrieve a fresh container over the network.
To download and add a default container binary to your application:
- Sign in to the Google Tag Manager web interface.
- Select the Version of the container you'd like to download.
- Click the Download button to retrieve the container binary.
- Add the downloaded container binary file to your project as a raw resource.
- If the
raw
subfolder under<project-root>/res/
does not exist, create it. - Rename the container binary file if necessary. It consists of only lowercase letters, digits, and underscores.
- Copy the container binary file to the folder
<project-root>/res/raw
.
- If the
Although using the binary file is recommended, if your container does not contain rules or tags, you may choose to use a simple JSON file instead.
3. Initializing Google Tag Manager
To initialize Google Tag Manager in your application:
- Get the
TagManager
singleton: - Use the
TagManager
singleton to make a request to load a container, specifying a Google Tag Manager container ID as well as your default container file. The container ID should be uppercase and exactly match the container ID in the Google Tag Manager web interface. The call toloadContainerPreferNonDefault()
is non-blocking and returns aPendingResult
: - Use a
ResultCallback
to return theContainerHolder
once it has finished loading or timed out:Note: By default, a container becomes eligible to be refreshed over the network every 12 hours. Learn how to manually refresh a container.Creating a ContainerHolder Singleton
You should only maintain one instance ofContainerHolder
per run of your application. That is why the above example uses aContainerHolderSingleton
utility class to manage access to theContainerHolder
instance. Here is what thatContainerHolderSingleton
class looks like:
See a Code Snippet from the Sample Application
The following snippet shows the full pattern implemented in the
onCreate()
method of a sample Activity
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4. Getting Configuration Values from the Container
Once the container is loaded, you can retrieve configuration values using any of the
Container.get<type>()
methods. Configuration values are defined using Google Tag Manager's value collection variables. For example, the following method retrieves the latest color we've decided to use in for a UI element and returns it as an integer:This code does two things to retrieve the color name from the container:
- Gets the
Container
from theContainerHolder
usingContainerHolder.getContainer()
. - Gets the color value using
Container.getString(key)
, where you have defined the key and value in the Google Tag Manager web interface.
5. Pushing Events and Values to the dataLayer
Google Tag Manager also provides a
dataLayer
, into which you can push information about your application that can be read in other parts of your application or used to fire tags you've configured in the Google Tag Manager web interface.Pushing Values to the dataLayer
The
dataLayer
provides a layer of persistence that you can use to store key-value pairs you might want to use in other parts of your application, or as inputs to Google Tag Manager tags.To push a value to the
dataLayer
, follow this pattern:- Get the
DataLayer
singleton: - Push the event using
DataLayer.push()
:
To get a value from the
dataLayer
, use DataLayer.get(key)
.Pushing Events to the dataLayer
Pushing events to the
dataLayer
allows you to separate your application code from tags you might want to fire in response to those events.For example, instead of hard-coding Google Analytics screenview tracking calls into your application,you could push screen events onto the
dataLayer
and define your tracking tags via the Google Tag Manager web interface. This gives you the flexibility to modify that tag, or add additional tags that respond to screen events, without updating your application code.To push an event to the
dataLayer
, follow this pattern: https://ameblo.jp/orechcreatis1983/entry-12639589211.html.- Get the
DataLayer
singleton: - Push the event using )'>
DataLayer.pushEvent()
:DataLayer.mapOf()
is a utility method you can use to easily generate a map of key-value pairs that will update thedataLayer
at the same time the event is pushed.
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See a Code Snippet from the Sample Application
The following utility class demonstrates how to push events, like information about screens opening and closing in your app, on the
dataLayer
:6. Previewing, Debugging, and Publishing
Before publishing a version of your container, you'll want to preview it to make sure it works as intended. Google Tag Manager gives you the ability to preview versions of your container by generating links and QR codes in the web interface and using them to open your application. You can also enable a verbose logging mode to debug any unexpected behavior.
Previewing
To preview a version of your container, follow these steps:
- Adding this preview
Activity
to yourAndroidManifest
file:Be sure to modify this line to include your application's package name: - Generate a preview link in the Google Tag Manager web interface
- Sign in to Google Tag Manager
- Select the container Version to preview
- Click the Preview button
- Enter your application's package name and click Generate begin preview link
- Use the generated link or QR Code to launch your application
- You can exit preview mode by following a link generated by the Generate end preview link option in the web interface.
Debugging
If you need to troubleshoot your container implementation, enable verbose logging by calling
TagManager.setVerboseLoggingEnabled(true)
:Publishing
After you've previewed your container and verified it's working as intended, you can publish your container. Your container configuration values, tags, and events will be live for users the next time their containers are refreshed. Learn more about refreshing containers.
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Advanced Configuration
The following sections describe advanced configuration options you want to use to further customize your Google Tag Manager implementation.
Refreshing the Container
By default, your container becomes eligible to be refreshed every 12 hours. To manually refresh the container, use
ContainerHolder.refresh()
:This is an asynchronous call that will not return immediately. To reduce network traffic,
Note: This snippet uses the refresh()
may only be called once every 15 minutes, otherwise it will be a no-op.ContainerHolderSingleton