//效果图
//话不多说,代码先给上关键代码
if (StringUtils.isEmpty(list.get(position).getImage())) {
holder.gridView.setVisibility(View.GONE);
} else {
holder.gridView.setVisibility(View.VISIBLE);
String[] images = list.get(position).getImage().split(",");
int imageCount = images.length;
int colNum;//列数
if (imageCount == 1) {
colNum = 1;
ViewGroup.LayoutParams layoutParams = holder.linyout_recyc.getLayoutParams();
layoutParams.height = (int) context.getResources().getDimension(R.dimen.dp_250);
layoutParams.width = (int) context.getResources().getDimension(R.dimen.dp_250);
} else if (imageCount == 2 || imageCount == 4) {
colNum = 2;
} else {
colNum = 3;
}
holder.imageAdapter.clear();//清空
holder.imageAdapter.addStringListAll(Arrays.asList(images));
holder.imageAdapter.addAoo(list.get(position));
holder.gridLayoutManager.setSpanCount(colNum);//设置列数
holder.imageAdapter.notifyDataSetChanged();
}
//在item获取id写
gridView = itemView.findViewById(R.id.recyc_view);
imageAdapter = new ImageAdapter(context);
int space = context.getResources().getDimensionPixelSize(R.dimen.dp_10);
gridLayoutManager = new GridLayoutManager(context, 3);
gridView.addItemDecoration(new SpacingItemDecoration(space));
gridView.setLayoutManager(gridLayoutManager);
gridView.setAdapter(imageAdapter);
//图片的适配器
public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.MyHodler> {
private List<Object> mList = new ArrayList<>();private List<DynamBean> beanList = new ArrayList<>();private int sign;//0:普通点击，1自定义private Context context;public void addAll(List<Object> list) {mList.addAll(list);}public void addStringListAll(List<String> list) {mList.addAll(list);}public ImageAdapter(Context context) {this.context = context;}public void setSign(int sign){this.sign = sign;}@NonNull@Overridepublic MyHodler onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {View view = View.inflate(viewGroup.getContext(), R.layout.circle_image_item, null);return new MyHodler(view);}@Overridepublic void onBindViewHolder(@NonNull MyHodler myHodler, final int position) {if (mList.get(position) instanceof String) {String imageUrl = (String) mList.get(position);if (imageUrl.startsWith("http:")||imageUrl.startsWith("https:")) {//加载httpmyHodler.image.setImageURI(Uri.parse(imageUrl));} else {//加载sd卡Uri uri = Uri.parse("file://" + imageUrl);myHodler.image.setImageURI(uri);}} else {//加载资源文件int id = (int) mList.get(position);Uri uri = Uri.parse("res://com.dingtao.rrmmp/" + id);myHodler.image.setImageURI(uri);}myHodler.itemView.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {if (sign == 1) {//自定义点击if (position == 0) {Intent intent = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);WDActivity.getForegroundActivity().startActivityForResult(intent, WDActivity.PHOTO);} else {}}else{Intent intent = new Intent(context, CommentdetailsActivity.class);intent.putExtra("dyname",beanList.get(0));context.startActivity(intent);}}});}@Overridepublic long getItemId(int position) {return position;}@Overridepublic int getItemCount() {return mList.size();}public void clear() {mList.clear();}public void add(Object image) {if (image != null) {mList.add(image);}}public List<Object> getList() {return mList;}public void addAoo(DynamBean dynamBean) {beanList.add(dynamBean);}class MyHodler extends RecyclerView.ViewHolder {SimpleDraweeView image;public MyHodler(@NonNull View itemView) {super(itemView);image = itemView.findViewById(R.id.circle_image);}}
}
//好了到这,不用谢我
