Question

我正在开发一个应用程序，并在其中使用ViewPager。它滚动片段，其中一个片段包含文本输入字段。因此，问题如下：在显示键盘时，我仍然可以滚动片段。有人遇到过同样的问题吗？

这是我的主要活动代码：


class SomeEnumSchema(graphene.Enum):

    A = "A"
    B = "B"


class SomeMutation(graphene.Mutation):

    class Arguments:
        some_enum = SomeEnumSchema(required=True)

这是片段代码：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/activity_main"
    tools:context=".activities.MainActivity">

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/view_pager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@id/navigation"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:background="?android:attr/windowBackground"
        app:itemBackground="@color/bgBottomNavigation"
        android:foreground="?attr/selectableItemBackground"
        app:itemIconTint="@android:color/white"
        app:itemTextColor="@android:color/white"
        app:menu="@menu/navigation" />

</RelativeLayout>

Answer 1

好吧，问题已通过以下方式解决：我刚刚创建了一个隐藏键盘的小功能

 public static void hideKeyboard(Activity activity) {
    InputMethodManager imm = (InputMethodManager) activity.getSystemService(Activity.INPUT_METHOD_SERVICE);
    //Find the currently focused view, so we can grab the correct window token from it.
    View view = activity.getCurrentFocus();
    //If no view currently has focus, create a new one, just so we can grab a window token from it
    if (view == null) {
        view = new View(activity);
    }
    imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
}

然后使用ViewPager的侦听器：

viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
        @Override
        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
            hideKeyboard(activity);
        }

        @Override
        public void onPageSelected(int position) {
            if (prevMenuItem != null)
                prevMenuItem.setChecked(false);
            else
                 navigation.getMenu().getItem(0).setChecked(false);

            navigation.getMenu().getItem(position).setChecked(true);
            prevMenuItem = navigation.getMenu().getItem(position);
        }

        @Override
        public void onPageScrollStateChanged(int state) {

        }
    });

显示键盘时如何禁用ViewPager滚动？

1 个答案: