当我开始一个新的选项卡式活动时,我有这个生成的XML代码:
kb\kb\static\img\girl.png
我该如何更改它,标签栏将放在屏幕的底部?在TabLayout标签上我已经尝试添加 android:layout_gravity =" bottom" ,但它没有改变任何东西。
答案 0 :(得分:7)
这就是我实现它的方式:
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="in.mylo.pregnancy.baby.app.FAB">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@android:color/white" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/viewPagerHome"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/bottomNavigation" />
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:background="@android:color/white"
android:elevation="80dp">
<android.support.design.widget.TabLayout
android:id="@+id/bottomNavigation"
android:layout_width="match_parent"
android:layout_height="56dp"
android:clickable="true"
app:tabBackground="?attr/selectableItemBackground"
app:tabGravity="fill"
app:tabIndicatorHeight="0dp"
app:tabMode="fixed"
app:tabSelectedTextColor="@android:color/black" />
</android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>
答案 1 :(得分:1)
<强>布局强> 不要使用标签菜单,而是添加新材料底部导航视图
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay">
</android.support.v7.widget.Toolbar>
</android.support.design.widget.AppBarLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<android.support.v4.view.ViewPager
android:id="@+id/viewpagerhome"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<android.support.design.widget.BottomNavigationView
android:id="@+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
app:itemBackground="@color/colorPrimaryDark"
app:itemIconTint="@drawable/menucolor"
app:itemTextColor="@drawable/menucolor"
app:menu="@menu/bottommenu"/>
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/bottom_navigation"
android:layout_alignParentRight="true"
app:srcCompat="@android:drawable/ic_dialog_email"
android:layout_marginTop="@dimen/fab_margin"
android:layout_marginBottom="@dimen/fab_margin" />
</RelativeLayout>
</android.support.design.widget.CoordinatorLayout>
底部使用的菜单 作为一个底部菜单,它需要一个充气菜单
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/action_order"
android:enabled="true"
android:icon="@drawable/orders"
android:title="My Orders"
app:showAsAction="ifRoom" />
<item
android:id="@+id/action_account"
android:enabled="true"
android:icon="@drawable/account"
android:title="My Account"
app:showAsAction="ifRoom" />
<item
android:id="@+id/action_logout"
android:enabled="true"
android:icon="@drawable/account"
android:title="Logout"
app:showAsAction="ifRoom" />
</menu>
在您的活动类中 初始化你声明你的底层菜单并实现列表器,
BottomNavigationView bottomNavigationView;
bottomNavigationView = (BottomNavigationView)findViewById(R.id.bottom_navigation);
bottomNavigationView.setOnNavigationItemSelectedListener(
new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.action_order:
// your fragment or activity code here
break;
case R.id.action_account:
// your fragment or activity code here
break;
case R.id.action_logout:
break;
}
return false;
}
});
}
完成! 希望这可以帮助。