how to pin title in Toolbar inside CollapsingToolbarLayout

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Here is my layout:



        
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6条回答
  • 2020-12-16 16:54

    It actually looks like the title from the Toolbar is gone when you wrap it inside a CollapsingToolBarLayout, so the only solution I got for this issue is to create a new TextView and add it to the ToolBar, remember that Toolbar is a ViewGroup, so you can add widgets to it. It's not as clean as I would like, but it works for now.

    TextView text = new TextView(this);
    text.setText(title);
    text.setTextAppearance(this, android.R.style.TextAppearance_Material_Widget_ActionBar_Title_Inverse);
    toolbar.addView(text);
    

    Hope I can find an xml-friendly solution for this soon, too.

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  • 2020-12-16 16:58

    You need to enable actionBar.setDisplayHomeAsUpEnabled(true); in your code

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  • 2020-12-16 17:08

    In order for the Toolbar title to work with the CollapsingToolbarLayout you need to set the ctl's title enabled to false

    CollapsingToolbarLayout collapsingToolbarLayout = (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar);
    collapsingToolbarLayout.setTitleEnabled(false);
    
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  • 2020-12-16 17:09

    Maybe this? Just add android:fitsSystemWindows="true" to AppBarLayout

    <android.support.design.widget.CoordinatorLayout
        ...
        android:fitsSystemWindows="true">
    
        <android.support.design.widget.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="300dp"
            ...
            android:fitsSystemWindows="true"
            >
    
            <android.support.design.widget.CollapsingToolbarLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                >
    
                <android.support.v7.widget.Toolbar
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:minHeight="?attr/actionBarSize"
                    android:background="?attr/colorPrimary"
                    app:title="My Title"
                    />
    
            </android.support.design.widget.CollapsingToolbarLayout>
    
        </android.support.design.widget.AppBarLayout>
    
        ...
    
    </android.support.design.widget.CoordinatorLayout>
    

    This is what you get

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  • 2020-12-16 17:12

    The solution is easy. As Daniel Persson said, you just set collapsingToolbarLayout.setTitleEnabled(false); or use the XML attribute app:titleEnabled="false" and set the title with the inner Toolbar instead of the CollapsingToolbarLayout, i.e.: toolbar.setTitle(title);

    It is very simple and it not required workarounds.

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  • 2020-12-16 17:14

    The trick here is to set the titleEnabled = false of CollapsingToolbarLayout

    <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsing_toolbar_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:contentScrim="?attr/colorPrimary"
            app:layout_scrollFlags="scroll|enterAlways"
            app:titleEnabled="false">
    
            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:minHeight="?attr/actionBarSize"
                app:layout_collapseMode="pin"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
                app:title="Message"
                app:titleMarginTop="13dp"
                app:titleTextColor="@android:color/white" />
    
        </android.support.design.widget.CollapsingToolbarLayout>
    

    Or through code:

    CollapsingToolbarLayout collapsingToolbarLayout = (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar_layout);
    collapsingToolbarLayout.setTitleEnabled(false);
    
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