android - 在 Android 应用中，Google 登录弹出窗口未加载
问题描述
每当我尝试通过启动 google 登录意图登录时，它会直接转到 onActivityResult，而我没有机会选择帐户。它所做的只是使屏幕变暗，但没有显示选择帐户的窗口。然后登录失败并出现此 ApiException：
java.lang.ClassNotFoundException: com.google.android.gms.common.api.Scope
和
java.lang.RuntimeException: Canvas: trying to draw too large(256000000bytes) bitmap.
（完整的堆栈跟踪：https ://pastebin.com/vBZeBLu0 ）
我所有使用的依赖项都是最新的，并且我的凭据（oAuth client-id）都设置正确，我尝试了其他类似问题的解决方案，但没有一个解决我的问题，我还检查了用户是否已注销完全来自设备，问题不断重现。
这是我的登录活动：
public class Login extends Activity implements GoogleApiClient.OnConnectionFailedListener, GoogleApiClient.ConnectionCallbacks {
private static final String TAG = "LoginProcess";
SignInButton gsignInButton;
private static final int RC_SIGN_IN = 1;
DatabaseReference mRef;
FirebaseAuth mAuth;
FirebaseAuth.AuthStateListener mAuthListener;
GoogleSignInOptions gso;
GoogleApiClient mGoogleApiClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.welcomescreenlogin);
mAuth = FirebaseAuth.getInstance();
gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestEmail()
.build();
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);
gsignInButton = findViewById(R.id.sib);
gsignInButton.setColorScheme(SignInButton.COLOR_DARK); // wide button style
gsignInButton.setOnClickListener(myhandler);
}
View.OnClickListener myhandler = new View.OnClickListener() {
public void onClick(View v) {
signIn();
}
};
public void signIn() {
Intent signInIntent = mGoogleSignInClient.getSignInIntent();
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) {
Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
try {
// Google Sign In was successful, authenticate with Firebase
GoogleSignInAccount account = task.getResult(ApiException.class);
firebaseAuthWithGoogle(account);
} catch (ApiException e) {
// Google Sign In failed, update UI appropriately
Log.w(TAG, "Google sign in failed", e); //this is where it always lands.
Toast.makeText(this, "login failed", Toast.LENGTH_SHORT).show();
// ...
}
}
}
登录活动的完整代码：https ://pastebin.com/6Yi7vzD7
摇篮：
apply plugin: 'com.android.application'
android {
compileSdkVersion 28
buildToolsVersion '28.0.3'
defaultConfig {
applicationId "com.example.sanchez.worldgramproject"
minSdkVersion 21
targetSdkVersion 28
multiDexEnabled true
versionCode 0
versionName "0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
debug {
debuggable true
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
api "com.google.android.material:material:1.0.0"
implementation 'com.github.madrapps:pikolo:1.1.6'
implementation 'com.google.android.gms:play-services-drive:16.0.0'
implementation 'com.google.android.material:material:1.1.0-alpha02'
implementation 'com.github.bumptech.glide:glide:3.8.0'
implementation'com.firebaseui:firebase-ui-storage:2.3.0'
implementation 'com.google.firebase:firebase-auth:16.1.0'
implementation 'com.google.android.gms:play-services-auth:16.0.1'
implementation 'androidx.appcompat:appcompat:1.0.2'
implementation 'androidx.cardview:cardview:1.0.0'
implementation 'androidx.recyclerview:recyclerview:1.0.0'
implementation 'com.jakewharton:butterknife:8.8.1'
implementation 'androidx.multidex:multidex:2.0.1'
implementation 'pl.droidsonroids.gif:android-gif-drawable:1.2.6'
implementation 'de.hdodenhof:circleimageview:2.2.0'
implementation 'androidx.legacy:legacy-support-v4:1.0.0'
implementation 'androidx.exifinterface:exifinterface:1.0.0'
implementation 'com.google.firebase:firebase-storage:16.0.5'
implementation 'com.google.android.gms:play-services-maps:16.0.0'
implementation 'com.google.firebase:firebase-database:16.0.5'
testImplementation 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
我不知道问题的原因是什么，我该如何解决这个问题并弹出帐户选择窗口？
编辑 2.1.2019
而不是上面的 ApiExeption 我得到这个错误：
W/LoginProcess: Google sign in failed
com.google.android.gms.common.api.ApiException: 8:
at com.google.android.gms.common.internal.ApiExceptionUtil.fromStatus(Unknown Source:4)
at com.google.android.gms.auth.api.signin.GoogleSignIn.getSignedInAccountFromIntent(Unknown Source:8)
at com.example.sanchez.worldgramproject.Login.onActivityResult(Login.java:162)
at android.app.Activity.dispatchActivityResult(Activity.java:7548)
at android.app.ActivityThread.deliverResults(ActivityThread.java:4485)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4532)
at android.app.ActivityThread.-wrap20(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1752)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6938)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:327)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1374)
我相信我设置 oAuth 的方式出了点问题（由 Firebase 自动生成）
解决方案
选项 1 - 确保在 Firebase 控制台的 Firebase 身份验证方法中启用了 Google 登录。默认情况下，未启用 Google 登录。
选项 2 - 在您的 AndroidManifest.xml 文件中，在标签下添加以下行以支持高内存支持，以防 Google 登录弹出窗口需要更多内存。即使是大图像也可以在应用程序标签中使用此命令加载 - largeHeap 为 true ~ 在这种情况下是您的启动器图像。
<application
android:hardwareAccelerated="true"
android:largeHeap="true" >
选项 3 - 尝试使用此代码使用 Firebase 实现 Google 登录，它应该可以工作。
public class LoginActivity extends AppCompatActivity {
private GoogleSignInClient mGoogleSignInClient;
private FirebaseAuth mAuth;
private int permissions = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
SignInButton authButton = findViewById(R.id.home_auth_button);
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken("xxxxxxxxxxxx.apps.googleusercontent.com").requestEmail().build();
mAuth = FirebaseAuth.getInstance();
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);
authButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
signIn();
}
});
}
private void signIn() {
Intent signInIntent = mGoogleSignInClient.getSignInIntent();
startActivityForResult(signInIntent, 0);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 0) {
Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
try {
GoogleSignInAccount account = task.getResult(ApiException.class);
if (account != null) {
firebaseAuthWithGoogle(account);
} else{
Log.w("AUTH", "Account is NULL");
Toast.makeText(LoginActivity.this, "Sign-in failed, try again later.", Toast.LENGTH_LONG).show();
}
} catch (ApiException e) {
Log.w("AUTH", "Google sign in failed", e);
Toast.makeText(LoginActivity.this, "Sign-in failed, try again later.", Toast.LENGTH_LONG).show();
}
}
}
private void firebaseAuthWithGoogle(GoogleSignInAccount acct) {
Log.d("AUTH", "firebaseAuthWithGoogle:" + acct.getId());
AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
mAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
Log.d("AUTH", "signInWithCredential:success");
startActivity(new Intent(LoginActivity.this, AnotherActivity.class));
Toast.makeText(LoginActivity.this, "Sign-in successful!", Toast.LENGTH_LONG).show();
} else {
Log.w("AUTH", "signInWithCredential:failure", task.getException());
Toast.makeText(LoginActivity.this, "Sign-in failed, try again later.", Toast.LENGTH_LONG).show();
}
}
});
}
}
请注意您需要将 requestIdToken("xxxx") 与构建器一起传递的 GoogleSignInOptions.Builder。这是一个 URL，您可以在 Firebase 身份验证选项卡 -> 登录方法 -> Google -> Web SDK 配置 -> Web 客户端 ID 下找到它。
希望这能回答您的问题。
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