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Android 从导航调用我的应用程序';s deeplink导致我的片段被实例化多次_Android_Android Fragments_Android Architecture Navigation - Fatal编程技术网

Android 从导航调用我的应用程序';s deeplink导致我的片段被实例化多次

Android 从导航调用我的应用程序';s deeplink导致我的片段被实例化多次,android,android-fragments,android-architecture-navigation,Android,Android Fragments,Android Architecture Navigation,我遇到了一个非常奇怪的问题,当我从启动器启动应用程序时,一切都很好,但是当我从链接(在Messenger中)启动它时,片段的onCreate/OnCreateView。。。多次调用(但不是活动的) 我的片段设置了一个深层链接: <deepLink android:id="@+id/deepLink" app:uri="https://www.mywebsite.com/invitation/{groupId}" /> public V

我遇到了一个非常奇怪的问题,当我从启动器启动应用程序时,一切都很好,但是当我从链接(在Messenger中)启动它时,片段的onCreate/OnCreateView。。。多次调用(但不是活动的)
我的片段设置了一个深层链接:

<deepLink
            android:id="@+id/deepLink"
            app:uri="https://www.mywebsite.com/invitation/{groupId}" />
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View v = inflater.inflate(R.layout.fragment_welcome, container, false);
        apiService=NetworkingManager.getRetrofit().create(ApiService.class);
        student = WelcomeFragmentArgs.fromBundle(getArguments()).getStudent();
        Logger.d("welcomefragment view being created");
        return v;
    }
        }
主要活动:

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Logger.d("ok that s weird");
        setContentView(R.layout.activity_main);
        Logger.addLogAdapter(new AndroidLogAdapter());
    }
}
我的片段:

<deepLink
            android:id="@+id/deepLink"
            app:uri="https://www.mywebsite.com/invitation/{groupId}" />
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View v = inflater.inflate(R.layout.fragment_welcome, container, false);
        apiService=NetworkingManager.getRetrofit().create(ApiService.class);
        student = WelcomeFragmentArgs.fromBundle(getArguments()).getStudent();
        Logger.d("welcomefragment view being created");
        return v;
    }
        }
我的导航图:

正如您所看到的,片段执行创建被调用了两次。。。同时,我想新的解决方案是:

override fun onNewIntent(intent: Intent?) {
        super.onNewIntent(intent)
        navController.popBackStack(R.id.home, false)
        setIntent(intent)
        handleDeepLink()
    }
在MainActivity的OnEvent或处理deeplinks的位置执行上述步骤


不确定@ianhanniballake@practive是否好如果你在你的活动中使用
FragmentManager.setEnableLogging(true)
之前使用
super.onCreate()
,你会得到什么日志消息?我已经用结果修改了帖子,顺便说一句,我用WelcomeFragments替换了我的测试片段似乎是您的
AuthenticationFragment
的结果-它是否调用
navigate()
本身?身份验证不应该是图形的起始目标,但应该按照yes it does单独处理,我以前从未听说过条件导航,非常感谢!我也面临同样的问题。。但当我从android studio启动应用程序时,这种情况只发生过一次。。之后,如果我从启动器打开,那么它不会创建多个实例。。。