我已經潛入CollapsingToolbarLayout並使用Google搜索,但我認爲這是不可能的。因此,爲了解決方法,我使用菜單溢出圖標創建ImageView,並在其下面彈出顯示列表以模擬操作菜單行爲。 這裏是我的CollapsingToolbarLayout看起來像XML
<android.support.design.widget.CollapsingToolbarLayout
android:fitsSystemWindows="false"
android:id="@+id/collapsing_toolbar"
android:layout_height="wrap_content"
android:layout_width="match_parent"
app:contentInsetStartWithNavigation="0dp"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="exitUntilCollapsed|scroll">
<your.app.AutoFitImageView
android:fitsSystemWindows="false"
android:id="@+id/iv_backdrop_image"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:scaleType="fitCenter"
android:transitionName="image"
app:layout_collapseMode="parallax"
tools:targetApi="lollipop"/>
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_height="?attr/actionBarSize"
android:layout_width="match_parent"
app:layout_collapseMode="pin"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light">
<ImageView
android:id="@+id/button_menu"
android:layout_gravity="right"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:minHeight="48dp"
android:minWidth="48dp"
android:scaleType="centerInside"
android:src="@drawable/ic_action_overflow"/>
</android.support.v7.widget.Toolbar>
</android.support.design.widget.CollapsingToolbarLayout>
然後我設置clickListener到的ImageView與R.id.button_menu
id來調用這個方法:
private void showListMenu(View anchor) {
final ListPopupWindow popupWindow = new ListPopupWindow(getActivity());
List<HashMap<String, String>> data = new ArrayList<>();
HashMap<String, String> map1 = new HashMap<>();
map1.put("menu", "Share Detail");
HashMap<String, String> map2 = new HashMap<>();
map2.put("menu", "Share First Trailer");
data.add(map1);
data.add(map2);
final Movie movieData = getMovieData();
HashMap<String, String> map3 = new HashMap<>();
if (DbHelper.movieInDb(movieData)) {
map3.put("menu", getString(R.string.unfavorite));
} else {
map3.put("menu", getString(R.string.favorite));
}
data.add(map3);
ListAdapter adapter = new SimpleAdapter(
getActivity(),
data,
android.R.layout.simple_list_item_1, // You may want to use your own cool layout
new String[]{"menu"}, // These are just the keys that the data uses
new int[]{android.R.id.text1}); // The view ids to map the data to
popupWindow.setAnchorView(anchor);
popupWindow.setAdapter(adapter);
DisplayMetrics displaymetrics = new DisplayMetrics();
getActivity().getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
popupWindow.setWidth(displaymetrics.widthPixels/3); // note: don't use pixels, use a dimen resource
popupWindow.setOnItemClickListener(yourListener); // the callback for when a list item is selected
popupWindow.show();
}
的方法將顯示具有相同的樣式溢出操作菜單ListPopUpWindow點擊時。 這裏是最終的佈局看起來像
非常聰明,而且非常有用的解決方案。 –