BiometricManager | 指纹认证识别库,android 官方API实现指纹识别框架,支持android 60以上, 可以识别到指纹数据是否发生变化
kandi X-RAY | BiometricManager Summary
kandi X-RAY | BiometricManager Summary
指纹认证识别库,android 官方API实现指纹识别框架,支持android 6.0以上, 可以识别到指纹数据是否发生变化.
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Top functions reviewed by kandi - BETA
- Authenticate user
- Init cipher
- Save enable finger data change
- Creates a cipher
- Returns a new instance of FingerDialog
- Gets the title of the dialog
- Returns the negative text text
- Gets the des des
- Called when the widget is created
- Create key
- Check if the preference has been changed
- Check support
- Create a fingerprint manager
- Get the finger manager
- Initialize view
- Authenticate
- Registers dialog
- Called when the button has failed
- Checks if the fingerprint data is enrolled in the context
- Checks if is hardware detected
- Notifies the dialog
- Override this method to handle state transitions
- Handle the help dialog
BiometricManager Key Features
BiometricManager Examples and Code Snippets
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
implementation 'com.github.LambdaXiao:BiometricManager:v1.0.0'
findViewById(R.id.btn1).setOnClickListener(new View.OnClickListener() {
@Override
/**
* @des 初始化Cipher ,根据KeyPermanentlyInvalidatedExceptiony异常判断指纹库是否发生了变化
*
*/
public boolean initCipher(Cipher cipher) {
try {
keyStore.load(null);
SecretKey key = (SecretKey) keyStore.getKey(KEYSTO
FingerManager.build().setApplication(getApplication())
.setTitle("指纹验证")
.setDes("请按下指纹")
.setNegativeText("取消")
.setFingerDialogApi23(new MyFingerDialog())
.setFingerCheckCallback()
Community Discussions
Trending Discussions on BiometricManager
QUESTION
I am using BiometricManager (Introduced in Api 29) in a project with a minSdkVersion of 26.
To my surprise, the project is compiling and running, I would have expected this to throw an error at buildtime. Am I missing something? Will this cause issues on release?
Gradle:
...ANSWER
Answered 2022-Mar-18 at 14:00I am using BiometricManager
No, you are not... at least, not the one that you linked to. You linked to android.hardware.biometrics.BiometricsManager
. Your code uses androidx.biometrics.BiometricsManager
. Those are not the same class. The Jetpack (androidx
) edition will have code that tries to support older devices gracefully.
QUESTION
What should I use instead of biometricManager.canAuthenticate()
is deprecated.
Doc says
...This method is deprecated. Use canAuthenticate(int) instead.
ANSWER
Answered 2021-Jul-19 at 13:06The direct replacement for your code would look something like:
QUESTION
I'm using a SecretKey in my sample app for Mac-signing. The key is generated with builder parameter
...ANSWER
Answered 2021-Jul-06 at 08:32I'm answering my own question, as my findings maybe helpful to others.
Up to now (July 6th 2021) I do have no idea why a SecretKey that is generated with the option
QUESTION
I need to integrate Biometric authentication using Fingerprint and Face authentication. Fingerprint authentication works perfectly but when I set only Face authentication I am getting Biometric not enrolled response from BiometricManager.from(context) method as follows,
...ANSWER
Answered 2020-Sep-03 at 05:05Android Biometric APIs would only work on the devices which have their biometric features (face,fingerprint, iris) compatible with Android Biometric stack. I have a set of devices with Face feature support, among them only few support Android Biometrics.
QUESTION
I do not have a device to test this scenario with, but I have seen a lot of people complaining that when both Face Recognition and Fingerprint were available on their device, the app decided to use Fingerprint authentication instead.
I have not been able to find any article or documentation that talks about this preference, and I am not sure if those users were using BiometricPrompt vs BiometricManager.
Does anyone know if both are available, does Android BiometricManager/BiometricPrompt default to Face/Iris recognition or Fingerprint? Also is there a way to force one over the other?
...ANSWER
Answered 2020-Aug-26 at 05:29I had a similar kind of requirement, And after my research, I came to know as of now (Android 10) it depends on OEM's implementation to provide either fingerprint or face recognition for app's authentication.
From Android R, there will be a way to get a prompt to choose authentication either fingerprint or facial.
Please have a look at the below issues been raised for a similar requirement.
QUESTION
I am using EncryptedSharedPreferences to store encrypted data.
...ANSWER
Answered 2020-Jun-12 at 14:06I found the reason why it does not require authentication post 1 second. It is because, once the encrypted shared preference is intiated, it loads the keys used to encrypt and decrypt the data in the memory and then those are used to access the data from the files. You can read the code inside EncryptedSharedPreference
class. This is pretty evident.
QUESTION
Android is deprecating FingerprintManager in favor of BiometricManager since the end of 2019. The update is great news for developers and designers as they do not need to solve much of the tedious biometrics design and behavior.
However...
- This prevents developers from avoiding less secure biometric options, the only workaround seems to be falling back to using FingerprintManager in order to ensure a secure authentication method is used. Case in point: unlike Apple, Samsung did not solve Facial Recognition properly and security concerns force companies to not recognize all biometrics as equally secure.
Manufacturers like Samsung warn you about-face recognition not being a strong check as the device can be tricked with a picture. What if you are developing a banking app and concerned about the security and reliability of these new biometric authentication methods? What if you are designing and building an app that has to work just with fingerprints? Then the FingerprintManager comes into play.
However, if you are concerned about the security of these new biometrics or have a design constraint and you want to restrict the biometric authentication to use just fingerprints, your best solution is to use the deprecated FingerprintManager.
- In other news, Pixel 4 does not support Fingerprint authentication and instead implemented a secure Face ID technology that is able to be used by a variety of banking apps including Google Pay, etc.
https://www.androidcentral.com/why-google-dropped-fingerprint-sensor-and-why-thats-bad-thing
As you reach for Pixel 4, Soli proactively turns on the face unlock sensors, recognizing that you may want to unlock your phone. If the face unlock sensors and algorithms recognize you, the phone will open as you pick it up, all in one motion. Better yet, face unlock works in almost any orientation—even if you're holding it upside down—and you can use it for secure payments and app authentication too.
The new best practice and the newer phones sound great but this complicates things when various OEM implement insecure biometrics. How are we, as application developers, supposed to be handling this conundrum?
...ANSWER
Answered 2020-Mar-01 at 07:14Starting with Android 11 we can check for the Biometrics Authentication strength defined by BiometricManager.Authenticators
. The Authenticators define whether the biometric is strong or weak.
You can know more about it in the following link
BiometricManager.Authenticators
As of now only developer preview of Android 11 is out.So not sure how the final version of the Biometrics will be.
Quoted from Android developers blog,
You can learn more about the features in developer preview here,
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install BiometricManager
You can use BiometricManager like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the BiometricManager component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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