相关疑难解决方法(0)

如何(如果可能的话)我可以在我的资产文件夹中使用字体在ActionBar标题文本中设置自定义字体(仅限 - 而不是标签文本)？我不想使用android:logo选项.

如果太大，是否有可能使Android ActionBar的标题自动滚动（选取框）？

我试图collapsingToolbarLayout只在崩溃时设置标题

为此我设置:

app:expandedTitleTextAppearance="@android:color/transparent"

它运作良好.

但是在4.2.2应用程序崩溃时跟随Log

STACK_TRACE

java.lang.IllegalArgumentException: width and height must be > 0
    at android.graphics.Bitmap.createBitmap(Bitmap.java:687)
    at android.graphics.Bitmap.createBitmap(Bitmap.java:666)
    at android.graphics.Bitmap.createBitmap(Bitmap.java:633)
    at android.support.design.widget.CollapsingTextHelper.ensureExpandedTexture(CollapsingTextHelper.java:405)
    at android.support.design.widget.CollapsingTextHelper.setInterpolatedTextSize(CollapsingTextHelper.java:382)
    at android.support.design.widget.CollapsingTextHelper.calculateOffsets(CollapsingTextHelper.java:227)
    at android.support.design.widget.CollapsingTextHelper.setExpansionFraction(CollapsingTextHelper.java:203)
    at android.support.design.widget.CollapsingToolbarLayout$OffsetUpdateListener.onOffsetChanged(CollapsingToolbarLayout.java:754)
    at android.support.design.widget.AppBarLayout$Behavior.dispatchOffsetUpdates(AppBarLayout.java:851)
    at android.support.design.widget.AppBarLayout$Behavior.setAppBarTopBottomOffset(AppBarLayout.java:834)
    at android.support.design.widget.AppBarLayout$Behavior.scroll(AppBarLayout.java:793)
    at android.support.design.widget.AppBarLayout$Behavior.onNestedScroll(AppBarLayout.java:644)
    at android.support.design.widget.AppBarLayout$Behavior.onNestedScroll(AppBarLayout.java:583)
    at android.support.design.widget.CoordinatorLayout.onNestedScroll(CoordinatorLayout.java:1428)
    at android.support.v4.view.eh.a(ViewParentCompat.java:97)
    at android.support.v4.view.ec.a(ViewParentCompat.java:330)
    at android.support.v4.view.bk.a(NestedScrollingChildHelper.java:162)
    at android.support.v7.widget.RecyclerView.dispatchNestedScroll(RecyclerView.java:8306)
    at android.support.v7.widget.RecyclerView.scrollByInternal(RecyclerView.java:1387)
    at android.support.v7.widget.RecyclerView.onTouchEvent(RecyclerView.java:2209)

请建议我实施它的正确方法.

要么

有没有Listener检测是否collapsingToolbarLayout 崩溃所以我可以隐藏/取消隐藏ToolBar标题...

要么

是否可以将collapsingToolbarLayout标题设置为与我想要的另一个视图对齐...