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BiometricUtil

It is suitable for fingerprint identification of Android 6.0 to Android 9.0+

适应Andorid 6.0以上所有版本指纹识别,包括9.0+以上系统。

本资源库在Android X下进行开发,部分使用Kotlin编写,兼容了Android 6.0以上所有安卓版本,并都尽量整合在了同一个Util工具类中。但由于6.0与9.0的差异性,即9.0以下的安卓系统不提供专门的页面,所以9.0以下设备必须自定义指纹识别页,FingerprintDialogFragment来专门供9.0以下的机型显示指纹识别页面,Android 9.0的指纹识别开启代码较为简单,故直接整理在了Util类里面。


步骤 1. 在项目根目录的build.gradle中添加:

allprojects {
	repositories {
		...
		maven { url 'https://jitpack.io' }
	}
}

步骤 2. 在app/build.gradle中添加:

dependencies {
        api 'com.github.jasonpearysamuel:BiometricUtil:v1.0'
}

步骤 3. 食用:

// kotlin
class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
	super.onCreate(savedInstanceState)
	setContentView(R.layout.main_activity)
	btn_finger.setOnClickListener {
	    startFinger()
	}
    }

    private fun startFinger() {

	val biometricPromptUtil = BiometricPromptUtil(this)

	if (!biometricPromptUtil.supportFingerprint()) {
	    ToastUtil.showToast(this, "您的手机不支持指纹功能")
	    return
	}

	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
	    biometricPromptUtil.startBiometricPromptIn28("指纹验证", "扫描指纹,验证身份", "取消")
	} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && Build.VERSION.SDK_INT < Build.VERSION_CODES.P) {
	    biometricPromptUtil.startBiometricPromptIn23("请验证指纹解锁", "取消")
	}

	// 指纹识别返回数据
	biometricPromptUtil.addFingerResultListener(object :
	    BiometricPromptUtil.OnFingerResultListener {
	    override fun fingerResult(result: Boolean) {
		if (result) {
		    // 指纹正确
		}
	    }
	})
    }
}  



// Java
public class MainJavaActivity extends AppCompatActivity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	startFinger();
    }

    public void startFinger() {
	BiometricPromptUtil biometricPromptUtil = new BiometricPromptUtil(this);

	if (!biometricPromptUtil.supportFingerprint()) {
	    ToastUtil.showToast(this, "您的手机不支持指纹功能");
	    return;
	}

	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
	    biometricPromptUtil.startBiometricPromptIn28("指纹验证", "扫描指纹,验证身份", "取消");
	} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && Build.VERSION.SDK_INT < Build.VERSION_CODES.P) {
	    biometricPromptUtil.startBiometricPromptIn23("请验证指纹解锁", "取消");
	}

	biometricPromptUtil.addFingerResultListener(new BiometricPromptUtil.OnFingerResultListener() {
	    @Override
	    public void fingerResult(boolean result) {
		if (result) {
		    // 指纹正确
		}
	    }
	});
    }
}

本项目的简书地址,链接如下: https://www.jianshu.com/p/5c0029374d47

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