我从 SearchView 菜单项中获取内存泄漏
这是我的代码
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
if (hasSearchOption()) {
MenuItem item = menu.findItem(R.id.action_search);
if (item == null) {
inflater.inflate(R.menu.search_menu, menu);
// Associate searchable configuration with the SearchView
SearchManager searchManager =
(SearchManager) Controller.getContext().getSystemService(Context.SEARCH_SERVICE);
MenuItem searchItem = menu.findItem(R.id.action_search);
SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
ComponentName cn = new ComponentName(getApplicationContext(), TestActivity.class);
searchView.setSearchableInfo(
searchManager.getSearchableInfo(cn));
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String s) {
//DO STUFF
return false;
}
@Override
public boolean onQueryTextChange(String s) {
return false;
}
});
}
}
}
类名
| Ref. Objects | Shallow Heap | Ref. Shallow Heap | Retained Heap
-----------------------------------------------------------------------------------------------------------------------------------------------------------
mOnQueryChangeListener com.test.fragments.TestFragmentImpl$1 @ 0xa58ff9c0| 1 | 16 | 16 | 16
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如果我注释掉设置 setOnQueryTextListener,泄漏就会消失。我不明白这个泄漏,因为搜索主体是空的,所以它是如何泄漏的?
最佳答案
在您的 fragment 中,从您的 onCreateOptionsMenu 中保存对您的 searchItem MenuItem 的引用,然后简单地覆盖 onDestroyOptionsMenu() 并像这样调用 searchView.setOnQueryTextListener(null):
// Set this in your onCreateOptionsMenu method
private MenuItem searchItem;
@Override
public void onDestroyOptionsMenu()
{
SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
searchView.setOnQueryTextListener(null);
searchItem = null;
}
关于android - SearchView 内存泄漏,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/28508256/