Rv线性布局与网格切换-Butterknife-Fresco-EventBus-Retrofit
MainActivity.java
public class MainActivity extends AppCompatActivity implements IView{
@BindView(R.id.main_img)
ImageView mImageView;
@BindView(R.id.main_rv)
RecyclerView mRecyclerView;
private IPrecenterImpl mIPrecenter;
private Boolean B=true;
private Boolean changeGrid=true;
List data1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
mIPrecenter = new IPrecenterImpl(this);
initData();
}
@OnClick(R.id.main_img)
public void onImgClickListener(){
if (B){
B=false;
if (changeGrid){
mRecyclerView.addItemDecoration(new DividerItemDecoration(MainActivity.this,DividerItemDecoration.HORIZONTAL));
changeGrid=false;
}
mRecyclerView.setLayoutManager(new GridLayoutManager(MainActivity.this,2));
}else {
B=true;
mRecyclerView.setLayoutManager(new LinearLayoutManager(MainActivity.this,LinearLayoutManager.VERTICAL,false));
}
ListShowsAdapter showsAdapter = new ListShowsAdapter(MainActivity.this, data1,B);
mRecyclerView.setAdapter(showsAdapter);
showsAdapter.setOnItemClickListener(new ListShowsAdapter.onItemClickListener() {
@Override
public void onItemClick(int layoutPosition, String title, String price) {
EventBusBean busBean = new EventBusBean(layoutPosition, title, price);
EventBus.getDefault().postSticky(busBean);
startActivity(new Intent(MainActivity.this,SecondActivity.class));
}
});
}
private void initData() {
Map map = new HashMap<>();
map.put("keywords","笔记本");
map.put("page",1+"");
map.put("sort",0+"");
mIPrecenter.startRequestData(Apis.URL_COMPUTER_SHOW_LIST,map, ComputerBean.class,1);
}
@Override
public void showData(Object data) {
ComputerBean computerBean= (ComputerBean) data;
data1 = computerBean.getData();
ListShowsAdapter showsAdapter = new ListShowsAdapter(MainActivity.this, data1,B);
mRecyclerView.setAdapter(showsAdapter);
mRecyclerView.addItemDecoration(new DividerItemDecoration(MainActivity.this,DividerItemDecoration.VERTICAL));
mRecyclerView.setLayoutManager(new LinearLayoutManager(MainActivity.this,LinearLayoutManager.VERTICAL,false));
showsAdapter.setOnItemClickListener(new ListShowsAdapter.onItemClickListener() {
@Override
public void onItemClick(int layoutPosition, String title, String price) {
EventBusBean busBean = new EventBusBean(layoutPosition, title, price);
EventBus.getDefault().postSticky(busBean);
startActivity(new Intent(MainActivity.this,SecondActivity.class));
}
});
}
} activity_main.xml
ListShowsAdapter.java
public class ListShowsAdapter extends RecyclerView.Adapter{
private Context mContext;
List list;
private Boolean mBoolean;
public ListShowsAdapter(Context context, List list, Boolean aBoolean) {
mContext = context;
this.list = list;
mBoolean = aBoolean;
}
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
if (mBoolean){
View view = View.inflate(parent.getContext(), R.layout.item_linelayout, null);
LineViewHolder holder = new LineViewHolder(view);
return holder;
}else {
View view = View.inflate(parent.getContext(), R.layout.item_gridlayout, null);
GridViewHolder holder = new GridViewHolder(view);
return holder;
}
}
public interface onItemClickListener{
void onItemClick(int layoutPosition, String title, String price);
}
private onItemClickListener mOnItemClickListener;
public void setOnItemClickListener(onItemClickListener onItemClickListener) {
mOnItemClickListener = onItemClickListener;
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, final int position) {
if (mBoolean){
final LineViewHolder lineViewHolder = (LineViewHolder) holder;
lineViewHolder.mTextView_title.setText(list.get(position).getTitle());
lineViewHolder.mTextView_price.setText(list.get(position).getPrice()+"");
String images = list.get(position).getImages();
Pattern pattern = Pattern.compile("\\|");
String[] img = pattern.split(images);
Uri uri = Uri.parse(img[0]);
lineViewHolder.mSimpleDraweeView.setImageURI(uri);
lineViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (mOnItemClickListener!=null){
int layoutPosition = lineViewHolder.getLayoutPosition();
String title = list.get(position).getTitle();
String price = list.get(position).getPrice()+"";
mOnItemClickListener.onItemClick(layoutPosition,title,price);
}
}
});
}else {
final GridViewHolder gridViewHolder = (GridViewHolder) holder;
gridViewHolder.mTextView_title.setText(list.get(position).getTitle());
gridViewHolder.mTextView_price.setText(list.get(position).getPrice()+"");
String images = list.get(position).getImages();
Pattern pattern = Pattern.compile("\\|");
String[] img = pattern.split(images);
Uri uri = Uri.parse(img[0]);
gridViewHolder.mSimpleDraweeView.setImageURI(uri);
gridViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (mOnItemClickListener!=null){
int layoutPosition = gridViewHolder.getLayoutPosition();
String title = list.get(position).getTitle();
String price = list.get(position).getPrice()+"";
mOnItemClickListener.onItemClick(layoutPosition,title,price);
}
}
});
}
}
@Override
public int getItemCount() {
return list.size();
}
public class LineViewHolder extends RecyclerView.ViewHolder{
@BindView(R.id.item_line_img)
SimpleDraweeView mSimpleDraweeView;
@BindView(R.id.item_line_text_title)
TextView mTextView_title;
@BindView(R.id.item_line_text_price)
TextView mTextView_price;
public LineViewHolder(View itemView) {
super(itemView);
ButterKnife.bind(this,itemView);
}
}
public class GridViewHolder extends RecyclerView.ViewHolder{
@BindView(R.id.item_grid_img)
SimpleDraweeView mSimpleDraweeView;
@BindView(R.id.item_grid_text_title)
TextView mTextView_title;
@BindView(R.id.item_grid_text_price)
TextView mTextView_price;
public GridViewHolder(View itemView) {
super(itemView);
ButterKnife.bind(this,itemView);
}
}
} item_linelayout.xml
line_gridlayout.xml
IModelImpl.java
public class IModelImpl implements IModel{
@Override
public void requestData(String url, Map map, final Class clazz, int z, final MyCallBack myCallBack) {
RetrofitManager.getInstance().post(url,map).result(new RetrofitManager.HttpListener() {
@Override
public void onFail() {
}
@Override
public void onResponse(String json) {
Object o = new Gson().fromJson(json, clazz);
myCallBack.setData(o);
}
});
}
} SecondActivity.java
public class SecondActivity extends AppCompatActivity{
private String mTitle;
private String mPrice;
@BindView(R.id.second_title)
TextView mTextView_title;
@BindView(R.id.second_price)
TextView mTextView_price;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
ButterKnife.bind(this);
EventBus.getDefault().register(this);
mTextView_title.setText(mTitle);
mTextView_price.setText(mPrice);
}
@Subscribe(threadMode = ThreadMode.MAIN,sticky = true)
public void sjx(EventBusBean bus){
mTitle = bus.getTitle();
mPrice = bus.getPrice();
}
@Override
protected void onDestroy() {
super.onDestroy();
EventBus.getDefault().unregister(this);
}
}BaseApis.java
public interface BaseApis {
@GET
Observable get(@Url String url);
@POST
Observable post(@Url String url, @QueryMap Map map);
} RetrofitManager.java
public class RetrofitManager {
private static RetrofitManager mRetrofitManager;
private final String BASE_URL="http://www.zhaoapi.cn";
private final OkHttpClient mOkHttpClient;
private final BaseApis mBaseApis;
public RetrofitManager() {
mOkHttpClient = new OkHttpClient.Builder()
.readTimeout(5000, TimeUnit.MILLISECONDS)
.writeTimeout(5000,TimeUnit.MILLISECONDS)
.connectTimeout(5000,TimeUnit.MILLISECONDS)
.retryOnConnectionFailure(true)
.build();
Retrofit retrofit = new Retrofit.Builder()
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.baseUrl(BASE_URL)
.client(mOkHttpClient)
.build();
mBaseApis = retrofit.create(BaseApis.class);
}
public static synchronized RetrofitManager getInstance(){
if (mRetrofitManager==null){
mRetrofitManager=new RetrofitManager();
}
return mRetrofitManager;
}
private Observer mObserver=new Observer(){
@Override
public void onCompleted() {
}
@Override
public void onError(Throwable e) {
}
@Override
public void onNext(ResponseBody responseBody) {
try {
String json = responseBody.string();
if (mHttpListener!=null){
mHttpListener.onResponse(json);
}
} catch (IOException e) {
e.printStackTrace();
}
}
};
public interface HttpListener{
void onFail();
void onResponse(String json);
}
private HttpListener mHttpListener;
public void result(HttpListener httpListener){
mHttpListener=httpListener;
}
public RetrofitManager get(String url){
mBaseApis.get(url)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(mObserver);
return mRetrofitManager;
}
public RetrofitManager post(String url, Map map){
if (map==null){
map = new HashMap<>();
}
mBaseApis.post(url,map)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(mObserver);
return mRetrofitManager;
}
}