版权声明
本文来自博客园，作者：观心静 ，转载请注明原文链接：https://www.cnblogs.com/guanxinjing/p/12746009.html
本文版权归作者和博客园共有，欢迎转载，但必须给出原文链接，并保留此段声明，否则保留追究法律责任的权利。
前言
这里有一些我实际使用PopupWindow开发的一些例子，分享大家开拓思路使用。此篇博客只有代码例子，无其他入门讲解，如果你需要学习，请参考我的另一篇博客：https://www.cnblogs.com/guanxinjing/p/10156153.html
例子1
类似长按文本弹出的处理文本的复制，黏贴，剪切，这种迷你对话框。代码较多，我放到github上了
github地址：https://github.com/z3880341/buttonDialog
例子2
效果图
没有PopupWindow对话框时：
PopupWindow对话框出现时：
dialog_family_list.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/transparent">
<ImageView
android:id="@+id/line1"
android:layout_width="0dp"
android:layout_height="1dp"
android:background="@color/white"
android:paddingLeft="20dp"
android:src="@drawable/line_black"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<TextView
android:id="@+id/not_family"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:drawableLeft="@drawable/ic_family_1"
android:drawablePadding="13dp"
android:gravity="center_vertical|left"
android:paddingLeft="14dp"
android:paddingTop="14dp"
android:paddingBottom="14dp"
android:text="@string/no_family_created_yet"
android:textColor="@color/color_2C"
android:textSize="16sp"
android:visibility="gone"
android:background="@color/white"
app:layout_constraintTop_toBottomOf="@id/line1"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"/>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/family_list_recyclerview"
android:layout_width="match_parent"
android:layout_height="0dp"
android:background="@color/ColorWhite"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@id/not_family" />
<ImageView
android:id="@+id/line2"
android:layout_width="0dp"
android:layout_height="1dp"
android:background="@color/white"
android:paddingLeft="20dp"
android:src="@drawable/line_black"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@id/family_list_recyclerview" />
<View
android:id="@+id/translucent_bg"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@color/color_80000000"
app:layout_constraintTop_toBottomOf="@id/line2"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"/>
<TextView
android:id="@+id/family_list"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:drawableLeft="@drawable/ic_family_3"
android:drawablePadding="13dp"
android:gravity="center_vertical|left"
android:paddingLeft="14dp"
android:paddingTop="14dp"
android:paddingBottom="14dp"
android:text="@string/family_list"
android:textColor="@color/color_2C"
android:textSize="16sp"
android:background="@drawable/bg_family_list"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@id/line2" />
</androidx.constraintlayout.widget.ConstraintLayout>
java
public class FamilyListDialog extends PopupWindow {
private View mView;
private TextView mNotFamily;
private RecyclerView mFamilyListRecyclerview;
private TextView mFamilyList;
private View mTranslucentBg;
private FamilyListDialogAdapter mFamilyListDialogAdapter;
private FamilyListDialogListener mListener;
private int mHeightPixels;
private List<FamilyBean> mFamilyBeanList;
public FamilyListDialog(@NotNull Context context) {
super();
DisplayMetrics outMetrics = new DisplayMetrics();
((Activity) context).getWindowManager().getDefaultDisplay().getRealMetrics(outMetrics);
setWidth(outMetrics.widthPixels);
mHeightPixels = outMetrics.heightPixels;
setHeight(mHeightPixels);
mView = LayoutInflater.from(context).inflate(R.layout.dialog_family_list, null, false);
mNotFamily = (TextView) mView.findViewById(R.id.not_family);
mFamilyListRecyclerview = (RecyclerView) mView.findViewById(R.id.family_list_recyclerview);
mFamilyList = (TextView) mView.findViewById(R.id.family_list);
mTranslucentBg = (View) mView.findViewById(R.id.translucent_bg);
adaptiveRecyclerViewHeight(5, context);
mFamilyListDialogAdapter = new FamilyListDialogAdapter();
mFamilyListRecyclerview.setAdapter(mFamilyListDialogAdapter);
setContentView(mView);
initListener();
}
@Override
public void showAsDropDown(View anchor) {
if(Build.VERSION.SDK_INT >= 24) {
Rect rect = new Rect();
anchor.getGlobalVisibleRect(rect);
DisplayMetrics outMetrics = new DisplayMetrics();
Context context = anchor.getContext();
((Activity) context).getWindowManager().getDefaultDisplay().getRealMetrics(outMetrics);
int h = outMetrics.heightPixels - rect.bottom;
setHeight(h);
}
super.showAsDropDown(anchor);
}
private void initListener() {
mTranslucentBg.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dismiss();
}
});
mNotFamily.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mListener != null) {
mListener.onClickNotFamily();
}
}
});
mFamilyList.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mListener != null) {
mListener.onClickFamilyList(mFamilyBeanList);
}
}
});
mFamilyListDialogAdapter.setOnItemClickListener(new FamilyListDialogAdapter.OnItemClickListener() {
@Override
public void OnItemClick(FamilyBean clickFamilyBean, boolean isConfirm) {
if (mListener != null) {
mListener.onClickFamilyListItem(clickFamilyBean, isConfirm);
}
}
});
}
public void setData(List<FamilyBean> list) {
mFamilyBeanList = list;
if (list == null || list.isEmpty()) {
mFamilyListDialogAdapter.clearData();
mFamilyListRecyclerview.setVisibility(View.GONE);
mNotFamily.setVisibility(View.VISIBLE);
return;
}
mNotFamily.setVisibility(View.GONE);
mFamilyListRecyclerview.setVisibility(View.VISIBLE);
mFamilyListDialogAdapter.refreshData(list);
}
/**
* 自适应列表View在到指定数量item后固定高度,
*
* @param targetNum
*/
private void adaptiveRecyclerViewHeight(int targetNum, Context context) {
mFamilyListRecyclerview.setLayoutManager(new LinearLayoutManager(context) {
@Override
public void onMeasure(RecyclerView.Recycler recycler, RecyclerView.State state, int widthSpec, int heightSpec) {
int count = state.getItemCount();
if (count > 0) {
if (count > targetNum) {
count = targetNum;
}
int realHeight = 0;
int realWidth = 0;
for (int i = 0; i < count; i++) {
View view = recycler.getViewForPosition(0);
if (view != null) {
measureChild(view, widthSpec, heightSpec);
int measuredWidth = View.MeasureSpec.getSize(widthSpec);
int measuredHeight = view.getMeasuredHeight();
realWidth = realWidth > measuredWidth ? realWidth : measuredWidth;
realHeight = realHeight + measuredHeight;
}
}
setMeasuredDimension(realWidth, realHeight);
} else {
super.onMeasure(recycler, state, widthSpec, heightSpec);
}
}
});
}
/**
* 销毁,主要释放接口
*/
public void destroy() {
mListener = null;
}
/**
* 设置监听器
*
* @param mListener
*/
public void setListener(FamilyListDialogListener mListener) {
this.mListener = mListener;
}
public interface FamilyListDialogListener {
/**
* 点击没有家庭
*/
void onClickNotFamily();
/**
* 点击家庭列表
*/
void onClickFamilyList(List<FamilyBean> familyBeanList);
/**
* 点击列表item
*
* @param clickFamilyBean 被点击选择的家庭
* @param isConfirm 是否已经加入此家庭
*/
void onClickFamilyListItem(FamilyBean clickFamilyBean, boolean isConfirm);
}
/**
* 对话框列表内部适配器类
*/
private static class FamilyListDialogAdapter extends RecyclerView.Adapter<FamilyListDialogAdapter.ViewHolder> {
private List<FamilyBean> mList = new ArrayList<>();
private OnItemClickListener mOnItemClickListener;
private void refreshData(List<FamilyBean> list) {
mList.clear();
mList.addAll(list);
notifyDataSetChanged();
}
private void clearData() {
mList.clear();
notifyDataSetChanged();
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_family_list_dialog, parent, false);
ViewHolder viewHolder = new ViewHolder(view);
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mOnItemClickListener != null) {
int position = viewHolder.getAdapterPosition();
if (position == RecyclerView.NO_POSITION) {
return;
}
boolean isConfirm = true;
for (FamilyBean.MembersBean membersBean : mList.get(position).getMembers()) {
if (membersBean.getUserId() == UserDataSP.getInstance().getUserId()) {//在成员列表里查找到当前用户id
isConfirm = membersBean.isIsConfirm();
break;
}
}
mOnItemClickListener.OnItemClick(mList.get(position), isConfirm);
}
}
});
return viewHolder;
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
FamilyBean familyItem = mList.get(position);
holder.familyName.setText(familyItem.getName());
for (FamilyBean.MembersBean membersBean : familyItem.getMembers()) {
if (membersBean.getUserId() == UserDataSP.getInstance().getUserId()) {//在成员列表里查找到当前用户id
if (!membersBean.isIsConfirm()) {
holder.status.setText(R.string.waiting_to_join);
return;
}
}
}
holder.status.setText("");
}
@Override
public int getItemCount() {
return mList.size();
}
public void setOnItemClickListener(OnItemClickListener listener) {
mOnItemClickListener = listener;
}
private class ViewHolder extends RecyclerView.ViewHolder {
View rootView;
TextView familyName;
TextView status;
private ViewHolder(@NonNull View itemView) {
super(itemView);
rootView = itemView;
familyName = (TextView) rootView.findViewById(R.id.family_name);
status = (TextView) rootView.findViewById(R.id.status);
}
}
public interface OnItemClickListener {
/**
* @param clickFamilyBean 被点击选择的家庭
* @param isConfirm 是否已经加入此家庭
*/
void OnItemClick(FamilyBean clickFamilyBean, boolean isConfirm);
}
}
}
End
本文来自博客园，作者：观心静 ，转载请注明原文链接：https://www.cnblogs.com/guanxinjing/p/12746009.html
本文版权归作者和博客园共有，欢迎转载，但必须给出原文链接，并保留此段声明，否则保留追究法律责任的权利。
来源：https://www.cnblogs.com/guanxinjing/p/12746009.html |
发表于 2020-4-21 17:18:00
