Searchview not showing in Toolbar

问题

I have actually a problem with my Searchview on the Support AppCompat v7 lib 24.0.0.

The SearchView is not shown up no text and input text (look screenshot)

The searchquery work perfect.

Thats my menu

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context=".MainActivity">
    <item
        android:title="@string/search"
        android:id="@+id/action_search"
        android:icon="@drawable/ic_search_24dp"
        app:showAsAction="ifRoom|collapseActionView"
        app:actionViewClass="android.support.v7.widget.SearchView"/>
</menu>

And here my onCreateOptionsMenu;

menu.clear();
        inflater.inflate(R.menu.menu_search, menu);
        MenuItem searchItem = menu.findItem(R.id.action_search);
        searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                //Perform the final search

                return false;
            }

            @Override
            public boolean onQueryTextChange(String newText) {
                //Text has changed, apply filtering?

                return false;
            }
        });

I hope someone can help me. :)

Sebastian

回答1:

i have this problem too, i've changed Toolbar height to absolute value instead of wrap_content and problem solved. i don't know why but i think this issue is related to CoordinatorLayout and height of toolbar, something breaks the SearchView height. if i use LinearLayout instead of CoordinatorLayout and AppBarLayout it works.

menu.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/action_search"
        android:icon="@drawable/ic_search_white_24dp"
        android:orderInCategory="100"
        android:title="@string/action_search"
        app:actionViewClass="android.support.v7.widget.SearchView"
        app:showAsAction="always|collapseActionView" />
</menu>

layout.xml

<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="@dimen/toolbar_height"
            android:paddingTop="@dimen/toolbar_top_padding"
            android:background="?attr/colorPrimary"
            app:title="@string/drawer_item_publisher_customization"
            app:layout_scrollFlags="scroll|enterAlways|snap"
            android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />

        <android.support.design.widget.TabLayout
            android:id="@+id/tabLayout"
            app:tabGravity="fill"
            style="@style/DefaultTabLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />

    </android.support.design.widget.AppBarLayout>

    <android.support.v4.view.ViewPager
        android:id="@+id/viewPager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</android.support.design.widget.CoordinatorLayout>

toolbar_height value:

<dimen name="toolbar_height">75dp</dimen>

Before absolute height value (layout_height:"wrap_content"):

After absolute height value (layout_height:"75dp"):

回答2:

if you are using theme: .NoActionBar set this in your onCreate()

setSupportActionBar(toolbar);

回答3:

As @Apruv mentioned above If you are using NoActionBar in your styles.xml then try to add this line in your onCreate().This will work for sure. I just done this all it works perfect.

setSupportActionBar(toolbar);

回答4:

This is very odd. I'm using build tools 25.0.1 and support lib 25.1.0. For me the accepted answer was not necessary, but the way the menu item was defined needs a small change. I need it like so:

<menu xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  xmlns:app="http://schemas.android.com/apk/res-auto">
<item
    android:id="@+id/search"
    android:title="@string/search_title"
    android:icon="@drawable/ic_search_24dp"
    app:showAsAction="always|collapseActionView"
    app:actionViewClass="android.widget.SearchView"/>

Where app:showAsAction is the key. Lint underlines this as red and tells me:

Should use android:showAsAction when using the appcompat library.

However if I have it set to android:showAsAction then the search view simply does not appear. Go figure.

回答5:

Make sure you have add AppCompat library to your project. Is your activity was extended "AppCompatActivity"?

And also showAsAction shoud be: showAsAction="always|collapseActionView"

Hope this help!

来源：https://stackoverflow.com/questions/38038561/searchview-not-showing-in-toolbar

标签

android

searchview