FingerprintModule.java 文件源码

@ReactMethod
public void isSensorAvailable(final Promise promise) {

    response = Arguments.createMap();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (ActivityCompat.checkSelfPermission(mReactContext, Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
            sendResponse("failed", "You haven't allow this app to use your fingerprint sensor", promise);
            return;
        }

        if (mReactContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_FINGERPRINT) ||
            ((FingerprintManager) mReactContext.getSystemService(Context.FINGERPRINT_SERVICE)).isHardwareDetected()) {
            if (((FingerprintManager) mReactContext.getSystemService(Context.FINGERPRINT_SERVICE)).hasEnrolledFingerprints()) {
                sendResponse("ok", null, promise);
            } else {
                sendResponse("failed", "You have fingerprint sensor, but you should set it enabled in your settings to use with this app", promise);
            }
        } else {
            sendResponse("failed", "You don\'t have appropriate hardware", promise);
        }
    } else {
        sendResponse("failed", "You don\'t have appropriate hardware", promise);
    }
}