Android底部导航(带有圆形按钮) [英] Android bottom navigation with rounded button

问题描述

我想在我的android应用中执行类似的操作.我尝试使用应用程序栏和fab按钮，但未成功.你有什么主意吗?

I want to do something like this in my android app. I tryied with app bar and fab button but was unsuccessful. Do you have any ideas?

推荐答案

我创建了具有5个菜单项的Bottom navigationView.中间项目没有图像.因此，我在底部的NavigationView内添加了一个imageButton(android:clickable ="false").

I have created a Bottom navigationView with 5 menu items. The middle item has no image. So I added an imageButton(android:clickable="false") inside the bottom navigationView.

 <com.google.android.material.bottomnavigation.BottomNavigationView
            android:id="@+id/bottom_nav_instructor"
            android:layout_width="match_parent"
            android:layout_height="56dp"
            android:layout_gravity="bottom"
            android:background="@color/bg_bottom_nav_bar"
            android:elevation="15dp"
            app:itemIconSize="30dp"
            app:itemIconTint="@drawable/bottom_navigation_colors"
            app:itemTextAppearanceActive="@style/TextStyleTab"
            app:itemTextAppearanceInactive="@style/TextStyleTab"
            app:labelVisibilityMode="labeled"
            app:menu="@menu/instructor_bottom_nav">

            <ImageButton
                android:layout_width="56dp"
                android:layout_height="56dp"
                android:layout_gravity="center"
                android:layout_marginBottom="15dp"
                android:background="@drawable/fab"
                android:clickable="false"
                android:src="@drawable/ico_add" />
        </com.google.android.material.bottomnavigation.BottomNavigationView>

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