片段的相对布局 -> 在活动中的应用栏下(片段覆盖工具栏)

Question

我正在努力解决这个问题。

我有带有工具栏的活动(2 和 1 选项卡)。但是在使用RecyclerView创建片段后，这个RecyclerView只是忽略了工具栏，并且遍布屏幕(全屏/前面)。

fragment_category.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:id="@+id/relativelayout_recycler"
android:layout_height="match_parent">
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/swipe_refresh_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<android.support.v7.widget.RecyclerView
android:id="@+id/recycler"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="@dimen/spacing_small"
android:scrollbars="vertical"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.v4.widget.SwipeRefreshLayout>
</RelativeLayout>

activity_main.xml的一部分

<RelativeLayout
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.CoordinatorLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="enterAlways">
<include layout="@layout/toolbar" />
</FrameLayout>
<View
android:id="@+id/toolbar_delimiter"
android:layout_width="match_parent"
android:layout_height="1px"
android:background="@color/view_background"
android:visibility="gone"
app:layout_scrollFlags="scroll|enterAlways|snap" />
<FrameLayout
android:id="@+id/frame_filters_toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:visibility="gone"
app:layout_scrollFlags="scroll|enterAlways|snap">
<include layout="@layout/toolbar_filters" />
</FrameLayout>
<android.support.design.widget.TabLayout
android:id="@+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:tabGravity="fill"
app:tabMode="fixed" />
</android.support.design.widget.AppBarLayout>
<FrameLayout
android:id="@+id/frame_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/tabs"
android:visibility="gone"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</android.support.design.widget.CoordinatorLayout>
<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_margin="@dimen/spacing_large"
android:clickable="true"
android:src="@drawable/ic_no_item"
android:tint="@android:color/white" />

</RelativeLayout>

片段类别.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
view = inflater.inflate(R.layout.fragment_category, null);
context = getActivity();
// activate fragment menu
setHasOptionsMenu(true);
db = new DatabaseHandler(getActivity());
sharedPref = new SharedPref(getActivity());
resolveCategory();
lyt_not_found = view.findViewById(R.id.lyt_not_found);
recyclerView = (RecyclerView) view.findViewById(R.id.recycler);
recyclerView.setLayoutManager(new GridLayoutManager(getActivity(), Tools.getGridSpanCount(getActivity())));
recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrollStateChanged(RecyclerView v, int state) {
super.onScrollStateChanged(v, state);
if(state == RecyclerView.SCROLL_STATE_DRAGGING || state == RecyclerView.SCROLL_STATE_SETTLING){
ActivityMain.animateFab(true);
} else {
ActivityMain.animateFab(false);
}
}
});
swipeLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipe_refresh_layout);
swipeLayout.setOnRefreshListener(this);
swipeLayout.setColorSchemeResources(
R.color.colorAccent, R.color.colorAccentDark);
displayDataFromDatabase();
return view;
}

我知道我只是在犯一些愚蠢的错误，但我不能弄清楚。对不起，我的英语和技能很差。如果您尝试帮助我，请表示感谢:)

Answer 1

你可以activity_main.xml更改为这个。

<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">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="enterAlways">
<include layout="@layout/toolbar"/>
</FrameLayout>
<View
android:id="@+id/toolbar_delimiter"
android:layout_width="match_parent"
android:layout_height="1px"
android:background="@color/view_background"
android:visibility="gone"
app:layout_scrollFlags="scroll|enterAlways|snap"/>
<FrameLayout
android:id="@+id/frame_filters_toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:visibility="gone"
app:layout_scrollFlags="scroll|enterAlways|snap">
<include layout="@layout/toolbar_filters"/>
</FrameLayout>
<android.support.design.widget.TabLayout
android:id="@+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:tabGravity="fill"
app:tabMode="fixed"/>
</android.support.design.widget.AppBarLayout>
<FrameLayout
android:id="@+id/frame_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/tabs"
android:visibility="gone"
app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_gravity="end|bottom"
android:layout_margin="@dimen/spacing_large"
android:clickable="true"
android:src="@drawable/ic_no_item"
android:tint="@android:color/white"/>
</android.support.design.widget.CoordinatorLayout>

您可以将ViewPager和FloatingActionButton添加到CoordinatorLayout。

您可以为其添加一些app:layout_behavior。