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在Android开发中PopupWindow是经常被使用到的，下面我们来实现以下PopupWindow，当然了，在开发中也可以封装，这样可以多次用到，小伙伴们加油。
1、效果如下：
2、代码如下：
public class InfoActivity extends AppCompatActivity{
private PopupWindow popWindow;
private CommonAdapter<String> authAdapter;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_info);
}
@OnClick({ R.id.ll_user_auth, R.id.ll_user_flag})
public void onViewClicked(View view) {
case R.id.ll_user_auth:
showAuthPopWin(view);
break;
case R.id.ll_user_flag:
//showPopuWindowAlter(1, view);
break;
}
private void showAuthPopWin(View v) {
try {
View view = LayoutInflater.from(this).inflate(R.layout.ly_type, null, false);
RecyclerView recyclerPool = (RecyclerView) view.findViewById(R.id.recyclerType);
LinearLayout hot_layout = (LinearLayout) view.findViewById(R.id.type_layout);
recyclerPool.setLayoutManager(new LinearLayoutManager(this));
List<String> stringList = new ArrayList<>();
stringList.add("admin");
stringList.add("user");
stringList.add("manager");
authAdapter = new CommonAdapter<String>(this, R.layout.item_rv_popu_layout, stringList) {
@Override
protected void convert(ViewHolder holder, String string, int position) {
holder.setText(R.id.tv_name, string);
}
};
recyclerPool.setAdapter(authAdapter);
if (authAdapter.getItemCount() > 5) {
hot_layout.setLayoutParams(new LinearLayout.LayoutParams(ConvertUtils.dip2px(this, 150), ConvertUtils.dip2px(getContext(), 100)));
}
UIUtils.post(() -> authAdapter.notifyDataSetChanged());
popWindow = new PopupWindow(view, ConvertUtils.dip2px(this, 202), ViewGroup.LayoutParams.WRAP_CONTENT, true);
popWindow.setAnimationStyle(R.anim.anim_pop);
popWindow.setTouchable(true);
popWindow.setTouchInterceptor((v2, event) -> {
return false;
});
popWindow.setBackgroundDrawable(new ColorDrawable(0x00000000));
popWindow.showAsDropDown(v, 0, 0);
onSelectItemPopup(popWindow);
} catch (Exception ex) {
XLog.e("initPossiblePopWin:Exception Occurs " + ex.getMessage());
}
}
}
private void onSelectItemPopup(PopupWindow popWindow) {
authAdapter.setOnItemClickListener(new MultiItemTypeAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, RecyclerView.ViewHolder holder, int position) {
if (authAdapter.getDatas() == null) {
if (popWindow != null) popWindow.dismiss();
return;
}
tvUserAuth.setText(authAdapter.getDatas().get(position));
if (popWindow != null) popWindow.dismiss();
}
@Override
public boolean onItemLongClick(View view, RecyclerView.ViewHolder holder, int position){
return false;
}
});
}
R.layout.ly_type 布局文件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:id="@+id/type_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/poppup_style"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerType"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
</LinearLayout>
</LinearLayout>
drawable/poppup_style文件
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#fff" />
<stroke
android:width="1dp"
android:color="#BDC7D8" />
<corners
android:bottomLeftRadius="2dp"
android:bottomRightRadius="2dp"
android:topLeftRadius="2dp"
android:topRightRadius="2dp" />
</shape>
