当使用Google登录时,遇到ApiException "12500"错误通常是由于以下原因之一引起的:
try {
PackageInfo info = getPackageManager().getPackageInfo(
"com.example.packageName",
PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
}
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
在上述代码中,将“com.example.packageName”替换为您的应用程序的包名。在运行代码后,您将在日志中看到SHA-1指纹。
未启用Google登录API:您需要在Google开发者控制台中启用Google登录API。确保您的项目设置中已启用Google登录API。
未提供正确的OAuth 2.0客户端ID:在Google开发者控制台中,您需要为您的应用程序创建OAuth 2.0客户端ID,并在应用程序中使用正确的客户端ID。确保您在调用Google登录API时使用了正确的客户端ID。
以下是使用Firebase身份验证的示例代码,用于处理ApiException "12500"错误:
import com.google.android.gms.auth.api.Auth;
import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
import com.google.android.gms.common.api.ApiException;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.firebase.auth.AuthCredential;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.auth.GoogleAuthProvider;
// 在Activity或Fragment中的方法中调用以下代码:
private static final int RC_SIGN_IN = 9001;
private FirebaseAuth mAuth;
private GoogleApiClient mGoogleApiClient;
private void signIn() {
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestEmail()
.build();
mGoogleApiClient = new GoogleApiClient.Builder(this)
.enableAutoManage(this, new GoogleApiClient.OnConnectionFailedListener() {
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
// 连接失败处理
}
})
.addApi(Auth.GOOGLE_SIGN_IN_API, gso)
.build();
Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
startActivityForResult(signInIntent, RC_SIGN_IN);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == RC_SIGN_IN) {
GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
if (result.isSuccess()) {
GoogleSignInAccount account = result.getSignInAccount();
firebaseAuthWithGoogle(account);
} else {
Log.e(TAG, "Google Sign-In failed: " + result.getStatus());
}
}
}
private void firebaseAuthWithGoogle(GoogleSignInAccount acct) {
AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
mAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener() {
@Override
public void onComplete(@NonNull Task task) {
if (task.isSuccessful()) {
FirebaseUser user = mAuth.getCurrentUser();
// 登录成功处理
} else {
Log.e(TAG, "Firebase authentication failed: ", task.getException());
// 登录失败处理
}
}
});
}
在上述代码中,R.string.default_web_client_id
应替换为您的OAuth 2.0客户端ID。
希望这些解决方法能帮助您解决ApiException "12500"错误。如果问题仍然存在,请进一步检查配置并确保您的应用程序