问题描述
我正在构建一个涉及使用 Firebase 进行电话 OTP 身份验证的 Flutter 应用程序,它给出了以下错误。我很震惊,不知道如何调试。
2021-01-29 14:07:36.021 32521-32521/com.example.Flutter_test1 E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.Flutter_test1,PID: 32521
java.lang.NoClassDefFoundError: Failed resolution of: Landroidx/browser/customtabs/CustomTabsIntent$Builder;
at com.google.firebase.auth.internal.RecaptchaActivity.zza(com.google.firebase:firebase-auth@@20.0.1:13)
at com.google.android.gms.internal.firebase-auth-api.zzth.zzb(com.google.firebase:firebase-auth@@20.0.1:7)
at com.google.android.gms.internal.firebase-auth-api.zzth.onPostExecute(UnkNown Source:2)
at android.os.AsyncTask.finish(AsyncTask.java:755)
at android.os.AsyncTask.access$900(AsyncTask.java:192)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:772)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7397)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: java.lang.classNotFoundException: Didn't find class "androidx.browser.customtabs.CustomTabsIntent$Builder" on path: DexPathList[[zip file "/data/app/com.example.Flutter_test1-VMY7lKsstWxY71zd6Q5xmA==/base.apk"],nativeLibraryDirectories=[/data/app/com.example.Flutter_test1-VMY7lKsstWxY71zd6Q5xmA==/lib/arm64,/data/app/com.example.Flutter_test1-VMY7lKsstWxY71zd6Q5xmA==/base.apk!/lib/arm64-v8a,/system/lib64,/product/lib64]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:196)
at java.lang.classLoader.loadClass(ClassLoader.java:379)
at java.lang.classLoader.loadClass(ClassLoader.java:312)
at com.google.firebase.auth.internal.RecaptchaActivity.zza(com.google.firebase:firebase-auth@@20.0.1:13)
at com.google.android.gms.internal.firebase-auth-api.zzth.zzb(com.google.firebase:firebase-auth@@20.0.1:7)
at com.google.android.gms.internal.firebase-auth-api.zzth.onPostExecute(UnkNown Source:2)
at android.os.AsyncTask.finish(AsyncTask.java:755)
at android.os.AsyncTask.access$900(AsyncTask.java:192)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:772)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7397)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
这是我发送OTP的功能:
Future verifyPhoneNumber(BuildContext context) async{
FirebaseAuth auth = FirebaseAuth.instance;
final PhoneVerificationCompleted verificationCompleted = (PhoneAuthCredential phoneAuthCredential)
async {
await auth.signInWithCredential(phoneAuthCredential);
};
PhoneVerificationFailed verificationFailed =
(FirebaseAuthException authException){
print("Failed AUTH $authException");
};
//When code is Sent
PhoneCodeSent codeSent =
(String verificationId,[int forceSendingToken]) async {
String smsCode = '';
PhoneAuthCredential phoneAuthCredential = PhoneAuthProvider.credential(verificationId:
verificationId,smsCode: smsCode);
await auth.signInWithCredential(phoneAuthCredential);
};
PhoneCodeAutoRetrievalTimeout codeAutoRetrievalTimeout =
(String verificationId) {
_verificationId = verificationId;
};
try {
await auth.verifyPhoneNumber(
phoneNumber: _mobileNumberController.text,timeout: const Duration(seconds: 10),verificationCompleted: verificationCompleted,verificationFailed: verificationFailed,codeSent: codeSent,codeAutoRetrievalTimeout: codeAutoRetrievalTimeout,);
}catch(e){
print("error is : $e");
}
我在输入手机号码后点击按钮调用这个 verifyPhoneNumber()。
解决方法
由于您仍在调试,因此您还需要实现 reCaptcha 支持,因为在使用调试 sha 指纹时,Android 安全网将失败。
在您的项目中 -> android -> app -> build.gradle ,在底部的依赖项中添加以下行:
implementation "androidx.browser:browser:1.2.0"
所以你的 build.gradle 文件应该是这样的:
还要确保您的 minSdk 至少为 21
我在此处制作了有关您需要的所有内容的视频教程:https://youtu.be/dTmgjPkBN58