ListPopupWindow,PopupMenu
2017-07-18 18:20
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PopupMenu
PopupMenu很简单,实现的功能也很简单,源码都没过300行,这里也不多说,直接代码PopupMenu popupMenu = new PopupMenu(this, view); popupMenu.getMenuInflater().inflate(R.menu.main, popupMenu.getMenu()); popupMenu.show();
就这么简单,popupMenu还有几个其他的方法,比如 popupMenu.dismiss();
popupMenu.setOnMenuItemClickListener(监听)
关于菜单main文件
<menu xmlns:android="http://schemas.android.com/apk/res/android"> <group android:checkableBehavior="single"> <item android:id="@+id/item_1" android:title="第一个" android:checked="true" android:orderInCategory="101" > </item> <item android:id="@+id/item_2" android:title="第一个" android:orderInCategory="102" > </item> <item android:id="@+id/item_3" android:title="第一个" android:orderInCategory="103" >
效果
ListPopupWindow
ListPopupWindow可以用在下拉列表、查询结果显示、历史记录、提示输入等,当然PopupMenu也可以的。下面是一个简单的实现final ListPopupWindow listPopupWindow = new ListPopupWindow(MainActivity.this); //设置锚点,设置它依附于哪个控件显示 listPopupWindow.setAnchorView(v); // 设置宽高,这个可以定制的, listPopupWindow.setWidth(LinearLayout.LayoutParams.MATCH_PARENT); listPopupWindow.setHeight(500); // 设置适配器,和listview玩法一样,可以自定义自己的适配器 String[] items = {"记录0","记录1","记录2","记录3","记录4"}; ArrayAdapter adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, items ); listPopupWindow.setAdapter(adapter); listPopupWindow.setModal(true); listPopupWindow.show(); listPopupWindow.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Toast.makeText(getApplicationContext(), "点我干啥"+position, Toast.LENGTH_SHORT).show(); listPopupWindow.dismiss(); } });
看一眼效果图,有点low
对了,还有一个PopWindow,Android上自定义弹出窗口,使用起来很方便,位置,内容都很灵活。下次再写
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