使用android原生脚本的FingerPrint身份验证或生物识别身份验证代码示例

// 导入必要的类
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.hardware.fingerprint.FingerprintManager;
import android.os.Build;
import android.os.CancellationSignal;
import android.support.v4.app.ActivityCompat;
import android.widget.Toast;

// 检查设备是否支持指纹识别
public boolean isFingerprintAuthAvailable(Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
        if (ActivityCompat.checkSelfPermission(context, Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
            return false;
        }
        return fingerprintManager.isHardwareDetected() && fingerprintManager.hasEnrolledFingerprints();
    }
    return false;
}

// 开始指纹识别
public void startFingerprintAuth(Context context, FingerprintManager.AuthenticationCallback callback) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
        if (ActivityCompat.checkSelfPermission(context, Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        CancellationSignal cancellationSignal = new CancellationSignal();
        fingerprintManager.authenticate(null, cancellationSignal, 0, callback, null);
    }
}

// 创建指纹识别回调
private FingerprintManager.AuthenticationCallback authenticationCallback = new FingerprintManager.AuthenticationCallback() {
    @Override
    public void onAuthenticationError(int errorCode, CharSequence errString) {
        super.onAuthenticationError(errorCode, errString);
        // 处理错误情况
        Toast.makeText(MainActivity.this, "指纹识别错误：" + errString, Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onAuthenticationHelp(int helpCode, CharSequence helpString) {
        super.onAuthenticationHelp(helpCode, helpString);
        // 处理帮助情况
        Toast.makeText(MainActivity.this, "指纹识别帮助：" + helpString, Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
        super.onAuthenticationSucceeded(result);
        // 处理识别成功情况
        Toast.makeText(MainActivity.this, "指纹识别成功", Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onAuthenticationFailed() {
        super.onAuthenticationFailed();
        // 处理识别失败情况
        Toast.makeText(MainActivity.this, "指纹识别失败", Toast.LENGTH_SHORT).show();
    }
};