How to set up phone sensors for fingerprint authentication
3 minute(s) read
Published on: Aug 14, 2021
Updated on: Dec 14, 2021
Today, in many mobile phones and Android systems, after the development of Android (in French: développement android ), it is possible to use fingerprints for authentication, and we can use this feature to identify the smart system and the phone sensor, and we can use the phone Open for us. These types of features can be used in operating systems with higher versions. Of course, it should be noted that in addition to the operating system, the phone must support this feature in terms of hardware to be able to use it. If you want to set up how to use your phone to unlock your phone, it is recommended that you follow this article.
How do we know if the phone's operating system supports fingerprint authentication or not?
To do this, we first need to check to see if this phone has this feature in terms of hardware or not, if its hardware supports this feature, we can also apply settings for its operating system.
What are the benefits of using a fingerprint?
- Access the phone without having to think.
- Access the phone as soon as possible.
1- We create a new project through File ⇒ New Project.
2- Set the value of APi 23 so that the APi can support fingerprint.
3- Add the codes listed below in the AndroidMainfest.xml section.
4- Edit and complete AndroidManifes.xml as below.
5- Modify the res ⇒ values part of the Colors.xml file as follows:
6- Apply the changes listed below in the res ⇒ values section of the string.xml file.
7- We use Android Image Assets to be able to create a fingerprint icon.
8- Right click on the drawable and go through the Create a New Image Assets option.
9- Select ic_action_fingerprintost for the icon name.
10- In the layout section, create a file and name it activity_fingerprint.xml, and then insert the code listed below.
11- In the FingeprintActivity.java section, we need to make changes like the following.
12- The activity_home.xml section should look like this:
13- The following code should be in the content_home.xml section:
14- Finally, the homeactivity.class section should look like this:
15- We create a FingerprintHandler to check the user's fingerprint recognition for us.
By entering the above codes, we can use the fingerprint and sensor feature in phones.About our Android and iOS app development services