Design Support Library support?

I’ve noticed the fonts in the CollapsingToolbarLayout in particular, the Title attribute, isn’t set. I’ve had to resort to something ugly like the following to get it to set the font on it:

public static void modifyCollapsingToolbarTextFont(Context context, CollapsingToolbarLayout collapsingToolbar) {
        // Hack so that the typeface is correct for the title and the title is centered
        try {
            // Get the mCollapsingTextHelper instance
            Field declaredField = collapsingToolbar.getClass().getDeclaredField("mCollapsingTextHelper");
            declaredField.setAccessible(true);
            Object collapsingTextHelper = declaredField.get(collapsingToolbar);

            // The get its mTextPaint field
            Field paintField = collapsingTextHelper.getClass().getDeclaredField("mTextPaint");
            paintField.setAccessible(true);
            TextPaint textPaint = (TextPaint) paintField.get(collapsingTextHelper);

            final Typeface tf = Typeface.createFromAsset(context.getAssets(), "fonts/FrutigerLTStd-Light.otf");
            textPaint.setTypeface(tf);

        } catch (Exception e) {
            Timber.e(e, "Unexpected error.");
        }
    }

I’d much rather have Calligraphy handle this for me in a nice, unseen, magical way as per usual. I was hoping that the following would just work:

    <style name="TextAppearance.Hero.Title" parent="TextAppearance.AppCompat.Title">
        <item name="fontPath">fonts/FrutigerLTStd_Light.ttf</item>
        <item name="android:textColor">@color/cpb_text_color_error</item>
        <item name="android:textSize">@dimen/hero_font_size</item>
        <item name="android:textStyle">normal</item>
    </style>

And then in the layout:

            <android.support.design.widget.CollapsingToolbarLayout
                android:id="@+id/collapsing_toolbar"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:fitsSystemWindows="true"
                app:title="Title"
                app:titleEnabled="true"
                app:contentScrim="@android:color/transparent"
                app:expandedTitleMarginBottom="85dp"
                app:expandedTitleGravity="center"
                app:expandedTitleTextAppearance="@style/TextAppearance.Hero.Title"
                app:layout_scrollFlags="scroll|exitUntilCollapsed"
                app:statusBarScrim="@android:color/transparent">

But, sadly, it doesn’t set the font.

[dsardari]

An alternative method for setting the typeface for the CollapsingToolbarLayout for anyone else that was wondering: http://developer.android.com/reference/android/support/design/widget/CollapsingToolbarLayout.html#setCollapsedTitleTypeface(android.graphics.Typeface)

[chrisjenx]

Yeah sure, it would be better as a plugin, we are working on making this much more flexible at the moment.

On Mon, 30 Jan 2017 at 10:18 Kusand [e-mail] wrote:

Drat. Would that be desirable to patch in? I can probably get some bandwidth to do so, and clearance to contribute.

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