如何捕获SearchView的清除button点击？
如何通过单击右侧的Xbutton捕获用户单击清除SearchView文本的事件
我已经捕获了onQueryTextChange事件，但是，这是为任何文本更改不Xbutton
在尝试了很多组合之后，我发现如何捕获SearchView中Xbutton后面的事件
下面是我的一个应用程序中的onCreateOptionsMenu函数的代码片段。 mSearchMenu和mSearchView是全局variables。 X实际上是一个ID为search_close_btn的ImageView，文本区域是一个EditText视图，ID为search_src_text
@SuppressLint("NewApi") @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu items for use in the action bar MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.country_list_activity_actions, menu); mSearchMenu = menu.findItem(R.id.action_search); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { // Get the SearchView and set the searchable configuration SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE); mSearchView = (SearchView) menu.findItem(R.id.action_search).getActionView(); // Assumes current activity is the searchable activity mSearchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName())); mSearchView.setIconifiedByDefault(false); // Do not iconify the widget; expand it by default // Get the search close button image view ImageView closeButton = (ImageView)mSearchView.findViewById(R.id.search_close_btn); // Set on click listener closeButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { LoggerUtils.d(LOG, "Search close button clicked"); //Find EditText view EditText et = (EditText) findViewById(R.id.search_src_text); //Clear the text from EditText view et.setText(""); //Clear query mSearchView.setQuery("", false); //Collapse the action view mSearchView.onActionViewCollapsed(); //Collapse the search widget mSearchMenu.collapseActionView(); } }); } // When using the support library, the setOnActionExpandListener() method is // static and accepts the MenuItem object as an argument mSearchMenu.setOnActionExpandListener(new OnActionExpandListener() { @Override public boolean onMenuItemActionExpand(MenuItem item) { //Nothing to do here LoggerUtils.d(LOG, "Search widget expand "); return true; // Return true to expand action view } @Override public boolean onMenuItemActionCollapse(MenuItem item) { LoggerUtils.d(LOG, "Search widget colapsed "); return true; // Return true to collapse action view } }); return super.onCreateOptionsMenu(menu); }
你可以使用onCloseListener（）
sv= (SearchView) findViewById(R.id.searchView1); sv.setOnCloseListener(new OnCloseListener() { @Override public boolean onClose() { Toast t = Toast.makeText(MainActivity.this, "close", Toast.LENGTH_SHORT); t.show(); return false; } });
我有问题试图通过它的IDfind组件，但我发现另一种方法来使用同一个SearchView的上下文来search这个组件
// Catch event on [x] button inside search view int searchCloseButtonId = searchView.getContext().getResources() .getIdentifier("android:id/search_close_btn", null, null); ImageView closeButton = (ImageView) this.searchView.findViewById(searchCloseButtonId); // Set on click listener closeButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Manage this event. } });
我使用这个代码来抓取文本查询清除，并执行我的行动
@Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.search, menu); SearchView searchView = (SearchView) menu.findItem(R.id.search_button).getActionView(); SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE); searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName())); SearchView.OnQueryTextListener textChangeListener = new SearchView.OnQueryTextListener() { @Override public boolean onQueryTextChange(String cs) { if (TextUtils.isEmpty(cs)){ //Text is cleared, do your thing } return false; } @Override public boolean onQueryTextSubmit(String query) { //text query submitted } }; searchView.setOnQueryTextListener(textChangeListener); return true; }
如果您使用Appcompat库，而不是使用
getResources().getIdentifier("android:id/search_close_btn", null, null);
你可以这样做：
MenuItem searchItem = menu.findItem(R.id.action_search); SearchView searchView = (SearchView) searchItem.getActionView(); View closeButton = searchView.findViewById(android.support.v7.appcompat.R.id.search_close_btn); closeButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { //handle click } });
ImageView closeButton = (ImageView) this.searchView.findViewById(android.support.v7.appcompat.R.id.search_close_btn); closeButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Manage this event. } });
使用R.id.search_go_btn作为“提交”button
