public class AddressPickerViewextends RelativeLayout{
// recyclerView 选中Item 的颜色
private int defaultSelectedColor = Color.parseColor("#3D71FF");
// recyclerView 未选中Item 的颜色
private int defaultUnSelectedColor = Color.parseColor("#2c2c2c");
// 确定字体不可以点击时候的颜色
private int defaultSureUnClickColor = Color.parseColor("#7F7F7F");
// 确定字体可以点击时候的颜色
private int defaultSureCanClickColor = Color.parseColor("#3D71FF");
private ContextmContext;
private int defaultTabCount =3; //tab 的数量
private TabLayoutmTabLayout; // tabLayout
private RecyclerViewmRvList; // 显示数据的RecyclerView
private StringdefaultProvince ="省份"; //显示在上面tab中的省份
private StringdefaultCity ="城市"; //显示在上面tab中的城市
private StringdefaultDistrict ="区县"; //显示在上面tab中的区县
private ListmRvData; // 用来在recyclerview显示的数据
private AddressAdaptermAdapter; // recyclerview 的adapter
private YwpAddressBeanmYwpAddressBean; // 总数据
private YwpAddressBean.AddressItemBeanmSelectProvice; //选中 省份bean
private YwpAddressBean.AddressItemBeanmSelectCity;//选中 城市bean
private YwpAddressBean.AddressItemBeanmSelectDistrict;//选中 区县bean
private int mSelectProvicePosition =0; //选中 省份 位置
private int mSelectCityPosition =0;//选中 城市 位置
private int mSelectDistrictPosition =0;//选中 区县 位置
private OnAddressPickerSureListenermOnAddressPickerSureListener;
public AddressPickerView(Context context) {
super(context);
init(context);
}
public AddressPickerView(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
init(context);
}
public AddressPickerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context);
}
/**
* 初始化
*/
private void init(Context context) {
mContext = context;
mRvData =new ArrayList<>();
// UI
View rootView =inflate(mContext, R.layout.address_picker_view, this);
// tablayout初始化
mTabLayout = (TabLayout) rootView.findViewById(R.id.tlTabLayout);
mTabLayout.addTab(mTabLayout.newTab().setText(defaultProvince));
mTabLayout.addTab(mTabLayout.newTab().setText(defaultCity));
mTabLayout.addTab(mTabLayout.newTab().setText(defaultDistrict));
mTabLayout.addOnTabSelectedListener(tabSelectedListener);
// recyclerview adapter的绑定
mRvList = (RecyclerView) rootView.findViewById(R.id.rvList);
mRvList.setLayoutManager(new LinearLayoutManager(context));
mAdapter =new AddressAdapter();
mRvList.setAdapter(mAdapter);
// 初始化默认的本地数据 也提供了方法接收外面数据
mRvList.post(new Runnable() {
@Override
public void run() {
initData();
}
});
}
/**
* 初始化数据
* 拿assets下的json文件
*/
private void initData() {
StringBuilder jsonSB =new StringBuilder();
try {
BufferedReader addressJsonStream =new BufferedReader(new InputStreamReader(mContext.getAssets().open("address.json")));
String line;
while ((line = addressJsonStream.readLine()) !=null) {
jsonSB.append(line);
}
}catch (IOException e) {
e.printStackTrace();
}
// 将数据转换为对象
mYwpAddressBean =new Gson().fromJson(jsonSB.toString(), YwpAddressBean.class);
if (mYwpAddressBean !=null) {
mRvData.clear();
mRvData.addAll(mYwpAddressBean.getProvince());
mAdapter.notifyDataSetChanged();
}
}
/**
* 开放给外部传入数据
* 暂时就用这个Bean模型，如果数据不一致就需要各自根据数据来生成这个bean了
*/
public void initData(YwpAddressBean bean) {
if (bean !=null) {
mSelectDistrict =null;
mSelectCity =null;
mSelectProvice =null;
mTabLayout.getTabAt(0).select();
mYwpAddressBean = bean;
mRvData.clear();
mRvData.addAll(mYwpAddressBean.getProvince());
mAdapter.notifyDataSetChanged();
}
}
//点确定
private void sure() {
if (mSelectProvice !=null &&
mSelectCity !=null &&
mSelectDistrict !=null) {
// 回调接口
if (mOnAddressPickerSureListener !=null) {
mOnAddressPickerSureListener.onSureClick(mSelectProvice.getN(), mSelectCity.getN(), mSelectDistrict.getN());
}
}else {
Toast.makeText(mContext, "地址还没有选完整哦", Toast.LENGTH_SHORT).show();
}
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
// mYwpAddressBean = null;
}
/**
* TabLayout 切换事件
*/
TabLayout.OnTabSelectedListenertabSelectedListener =new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
mRvData.clear();
switch (tab.getPosition()) {
case 0:
mRvData.addAll(mYwpAddressBean.getProvince());
mAdapter.notifyDataSetChanged();
// 滚动到这个位置
mRvList.smoothScrollToPosition(mSelectProvicePosition);
break;
case 1:
// 点到城市的时候要判断有没有选择省份
if (mSelectProvice !=null) {
for (YwpAddressBean.AddressItemBean itemBean :mYwpAddressBean.getCity()) {
if (itemBean.getP().equals(mSelectProvice.getI()))
mRvData.add(itemBean);
}
}else {
Toast.makeText(mContext, "请您先选择省份", Toast.LENGTH_SHORT).show();
}
mAdapter.notifyDataSetChanged();
// 滚动到这个位置
mRvList.smoothScrollToPosition(mSelectCityPosition);
break;
case 2:
// 点到区的时候要判断有没有选择省份与城市
if (mSelectProvice !=null &&mSelectCity !=null) {
for (YwpAddressBean.AddressItemBean itemBean :mYwpAddressBean.getDistrict()) {
if (itemBean.getP().equals(mSelectCity.getI()))
mRvData.add(itemBean);
}
}else {
Toast.makeText(mContext, "请您先选择省份与城市", Toast.LENGTH_SHORT).show();
}
mAdapter.notifyDataSetChanged();
// 滚动到这个位置
mRvList.smoothScrollToPosition(mSelectDistrictPosition);
break;
}
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
};
/**
* 下面显示数据的adapter
*/
class AddressAdapterextends RecyclerView.Adapter {
@Override
public ViewHolderonCreateViewHolder(ViewGroup parent, int viewType) {
return new ViewHolder(LayoutInflater.from(mContext).inflate(R.layout.item_address_text, parent, false));
}
@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
final int tabSelectPosition =mTabLayout.getSelectedTabPosition();
holder.mTitle.setText(mRvData.get(position).getN());
holder.mTitle.setTextColor(defaultUnSelectedColor);
// 设置选中效果的颜色
switch (tabSelectPosition) {
case 0:
if (mRvData.get(position) !=null &&
mSelectProvice !=null &&
mRvData.get(position).getI().equals(mSelectProvice.getI())) {
holder.mTitle.setTextColor(defaultSelectedColor);
}
break;
case 1:
if (mRvData.get(position) !=null &&
mSelectCity !=null &&
mRvData.get(position).getI().equals(mSelectCity.getI())) {
holder.mTitle.setTextColor(defaultSelectedColor);
}
break;
case 2:
if (mRvData.get(position) !=null &&
mSelectDistrict !=null &&
mRvData.get(position).getI().equals(mSelectDistrict.getI())) {
holder.mTitle.setTextColor(defaultSelectedColor);
}
break;
}
// 设置点击之后的事件
holder.mTitle.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// 点击 分类别
switch (tabSelectPosition) {
case 0:
mSelectProvice =mRvData.get(position);
// 清空后面两个的数据
mSelectCity =null;
mSelectDistrict =null;
mSelectCityPosition =0;
mSelectDistrictPosition =0;
mTabLayout.getTabAt(1).setText(defaultCity);
mTabLayout.getTabAt(2).setText(defaultDistrict);
// 设置这个对应的标题
mTabLayout.getTabAt(0).setText(mSelectProvice.getN());
// 跳到下一个选择
mTabLayout.getTabAt(1).select();
mSelectProvicePosition =position;
break;
case 1:
mSelectCity =mRvData.get(position);
// 清空后面一个的数据
mSelectDistrict =null;
mSelectDistrictPosition =0;
mTabLayout.getTabAt(2).setText(defaultDistrict);
// 设置这个对应的标题
mTabLayout.getTabAt(1).setText(mSelectCity.getN());
// 跳到下一个选择
mTabLayout.getTabAt(2).select();
mSelectCityPosition =position;
break;
case 2:
mSelectDistrict =mRvData.get(position);
// 没了，选完了，这个时候可以点确定了
mTabLayout.getTabAt(2).setText(mSelectDistrict.getN());
notifyDataSetChanged();
mSelectDistrictPosition =position;
sure();
break;
}
}
});
}
@Override
public int getItemCount() {
return mRvData.size();
}
class ViewHolderextends RecyclerView.ViewHolder {
TextViewmTitle;
ViewHolder(View itemView) {
super(itemView);
mTitle = (TextView) itemView.findViewById(R.id.itemTvTitle);
}
}
}
/**
* 点确定回调这个接口
*/
public interface OnAddressPickerSureListener {
void onSureClick(String proviceName,String cityName,String earaName);
}
public void setOnAddressPickerSure(OnAddressPickerSureListener listener) {
this.mOnAddressPickerSureListener = listener;
}
