CoordinatorLayout 不显示 ViewStub 子级。
我尝试为 ViewStub 充气,但没有显示视图。我是否必须向我的 ViewStub 添加一些布局行为或一些标志?
有任何想法吗?
下面是我的布局:
activity_main.xml
<android.support.design.widget.CoordinatorLayout
xmlns:tools="http://schemas.android.com/tools"
xmlns:fab="http://schemas.android.com/apk/res-auto"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.design.widget.AppBarLayout
android:id="@+id/application_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:title="Test"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
<android.support.design.widget.TabLayout
android:id="@+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
style="@style/MyCustomTabLayout" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/moments_bg"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
<ViewStub
android:id="@+id/tutorial"
android:inflatedId="@+id/tutorial_import"
android:layout="@layout/tutorial"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</android.support.design.widget.CoordinatorLayout>
教程.xml
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#99000000">
<RelativeLayout
android:layout_width="280dp"
android:layout_height="300dp"
android:layout_gravity="bottom"
android:layout_marginBottom="50dp"
android:background="@drawable/add_moment_oval">
<TextView
android:id="@+id/tutorial_desc"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:textColor="@color/default_text_color"
android:textSize="14dp"
android:text="test"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/tutorial_desc"
android:textColor="@color/accent"
android:textSize="14dp"
android:text="accept"
android:theme="@style/DashboardButton"
style="?android:attr/borderlessButtonStyle" />
</RelativeLayout>
</FrameLayout>
MainActivity.java
@OnClick(R.id.add_button)
public void onAddButtonClicked(){
View v = findViewById(R.id.tutorial);
if (v instanceof ViewStub) {
((ViewStub)v).inflate();
}
}