Android如何聚焦ActionBar searchView

声明:本页面是StackOverFlow热门问题的中英对照翻译,遵循CC BY-SA 4.0协议,如果您需要使用它,必须同样遵循CC BY-SA许可,注明原文地址和作者信息,同时你必须将它归于原作者(不是我):StackOverFlow 原文地址: http://stackoverflow.com/questions/10089993/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me): StackOverFlow

提示:将鼠标放在中文语句上可以显示对应的英文。显示中英文
时间:2020-08-20 02:27:26  来源:igfitidea点击:

Android how to focus ActionBar searchView

androidandroid-widget

提问by max4ever

Hello i need to put some text inside the searchView and focus/expand the searchView widget.

您好,我需要在 searchView 中放置一些文本并聚焦/扩展 searchView 小部件。

this is what i tried but it doesn't work

这是我尝试过的,但不起作用

@Override
public boolean onCreateOptionsMenu(final Menu menu) {
...
    SearchView searchView = (SearchView) menu.findItem(R.id.menu_search).getActionView();
    searchView.setQuery(this.filtro, false);
    searchView.setFocusable(true);
    searchView.requestFocus();
    searchView.requestFocusFromTouch();

回答by farmer.chs

Try using searchView.setIconified(false). This worked for me:

尝试使用searchView.setIconified(false). 这对我有用:

public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    ActionBar actionBar = getActionBar();
    SearchView searchView = new SearchView(this);
    actionBar.setCustomView(searchView);
    actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
    searchView.setQuery("test",true);
    searchView.setFocusable(true);
    searchView.setIconified(false);
    searchView.requestFocusFromTouch();
}

回答by Owen Zhao

Here is another solution.

这是另一种解决方案。

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main_menu, menu);
    MenuItem menu_search = menu.findItem(R.id.menu_search);


    menu_search.setOnActionExpandListener(new OnActionExpandListener() {
        @Override
        public boolean onMenuItemActionCollapse(MenuItem item) {
            // Do something when collapsed
            return true;  // Return true to collapse action view
        }

        @Override
        public boolean onMenuItemActionExpand(MenuItem item) {
            //get focus
            item.getActionView().requestFocus();
            //get input method
            InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
            return true;  // Return true to expand action view
        }
    });
    return true;
}

回答by Erick Martinez

This works for me:

这对我有用:

        @Override
        public boolean onMenuItemActionExpand(MenuItem item)
        {
            if (sm.isMenuShowing()) {
                sm.toggle();
            }
            searchView.setIconified(true);
            KeyEvent event = new KeyEvent(KeyEvent.ACTION_DOWN, 32);
            searchView.onKeyDown(32, event);
            return true;
        }

回答by CoolMind

For me the following works:

对我来说,以下工作:

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    ...
    MenuItem miSearch = menu.findItem(R.id.menu_search);
    SearchView mSearchView = (SearchView) miSearch.getActionView();

    mSearchView.setOnSearchClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            mSearchView.setFocusable(true);
            mSearchView.requestFocusFromTouch();
        }
    });

I use android.support.v7.widget.SearchView. When tried to set mSearchView.setIconified(false);it entered into an infinite loop.

我使用 android.support.v7.widget.SearchView。当试图设置mSearchView.setIconified(false);它进入无限循环。

回答by u9217414

public void setIconified(boolean iconify) {
    if (iconify) {
        onCloseClicked();
    } else {
        onSearchClicked();
    }
}

this is code in SearchView

这是 SearchView 中的代码

setIconified()is worked for me

setIconified()对我有用

回答by RadioactiveRadium

In the activity xml you can use this line:

在活动 xml 中,您可以使用这一行:

android:iconifiedByDefault="false"

回答by Brownsoo Han

In case SearchView is made by menu configuration, I expand the action view using menu item.

如果 SearchView 是通过菜单配置创建的,我会使用菜单项扩展操作视图。

private var searchMenuItem: MenuItem? = null

// create search menu item
override fun onCreateOptionsMenu(menu: Menu?): Boolean {
    menuInflater.inflate(R.menu.search_menu, menu)
    searchMenuItem = menu?.findItem(R.id.action_search)
    val searchManager = getSystemService(Context.SEARCH_SERVICE) as SearchManager
    (searchMenuItem?.actionView as? SearchView)?.apply {
        setSearchableInfo(searchManager.getSearchableInfo(componentName))
    }
    return super.onCreateOptionsMenu(menu)
}


override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_search)
    setSupportActionBar(findViewById(R.id.toolbar))
    // Execute 'expandActionView' delayed 
    // because I want to focus field only when first start.
    Handler().postDelayed({
        // show field and focus it.
        searchMenuItem?.expandActionView()
    }, 500)
}

回答by Hai Hack

I implemented it in onCreateOptionMenu and it worked. You don't need to using setIconified(false);

我在 onCreateOptionMenu 中实现了它并且它起作用了。你不需要使用setIconified(false);

@Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);

        // Associate searchable configuration with the SearchView
        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
        searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
        searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
        searchView.setMaxWidth(Integer.MAX_VALUE);
        searchView.setOnClickListener(view -> menu.findItem(R.id.action_sleep_timer).setVisible(false));
        searchView.setOnCloseListener(() -> {
            menu.findItem(R.id.action_sleep_timer).setVisible(true);
            return false;
        });
        searchView.setOnSearchClickListener(view -> {
            menu.findItem(R.id.action_sleep_timer).setVisible(false);
            searchView.requestFocus();
        });
return true;
    }

回答by Saqib R.

searchView.setQuery("typeAnything",true);
searchView.setFocusable(true);

will do the trick.

会做的伎俩。