[Author:]chris_chan

[Desc:]添加adppter

commonLib/src/main/java/com/common/commonlib/bean/GridPicBean.kt

@@ -0,0 +1,3 @@
+package com.common.commonlib.bean
+
+data class GridPicBean(val imagePath:String, val isConverting: Boolean)

commonLib/src/main/java/com/common/commonlib/view/adapter/PicGridAdapter.java

@@ -0,0 +1,164 @@
+package com.common.commonlib.view.adapter;
+
+import android.content.Context;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.os.Build;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.MultiTransformation;
+import com.bumptech.glide.load.resource.bitmap.CenterCrop;
+import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
+import com.common.commonlib.R;
+import com.common.commonlib.bean.GridPicBean;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class PicGridAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private static final int TYPE_ONE = 0;
+    private static final int TYPE_TWO = 1;
+    private final List<GridPicBean> gridPicBeanList = new ArrayList<>();
+    private Context mContext;
+    private onAddClickListener onAddClickListener;
+
+    public PicGridAdapter(Context context) {
+        mContext = context;
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        if (position == gridPicBeanList.size()) {
+            return TYPE_ONE;
+        } else {
+            return TYPE_TWO;
+        }
+    }
+
+    @NotNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        RecyclerView.ViewHolder viewHolder;
+        if (viewType == TYPE_ONE) {
+            View inflate = LayoutInflater.from(mContext).inflate(R.layout.item_grid_pic_add, parent, false);
+            viewHolder = new AddIconViewHolder(inflate);
+        } else {
+            View inflate = LayoutInflater.from(mContext).inflate(R.layout.item_grid_pic_show, parent, false);
+            viewHolder = new PicViewHolder(inflate);
+        }
+        return viewHolder;
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        if (position < gridPicBeanList.size()) {
+            if (holder instanceof PicViewHolder) {
+                PicViewHolder viewHolder = (PicViewHolder) holder;
+                GridPicBean gridPicBean = gridPicBeanList.get(position);
+                Glide.with(mContext).load(gridPicBean.getImagePath())
+                        .transform(new MultiTransformation(new CenterCrop(), new RoundedCorners(5)))
+                        .into(viewHolder.imageView);
+                viewHolder.imageDeleteView.setOnClickListener(l -> {
+                    gridPicBeanList.remove(holder.getAdapterPosition());
+                    notifyItemRemoved(holder.getAdapterPosition());
+                });
+
+                AnimatedVectorDrawable drawable = (AnimatedVectorDrawable) viewHolder.ivLoading.getDrawable();
+                if (gridPicBean.isConverting()) {
+                    viewHolder.ivLoading.setVisibility(View.VISIBLE);
+                    viewHolder.imageDeleteView.setVisibility(View.GONE);
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                        drawable.reset();
+                    }
+                    drawable.start();
+
+                } else {
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                        drawable.reset();
+                    }
+                    viewHolder.ivLoading.setVisibility(View.GONE);
+                    viewHolder.imageDeleteView.setVisibility(View.VISIBLE);
+                }
+            }
+        } else {
+            if (holder instanceof AddIconViewHolder) {
+                AddIconViewHolder viewHolder = (AddIconViewHolder) holder;
+                viewHolder.imageView.setOnClickListener(v -> {
+                    if (gridPicBeanList.size() < 4) {
+                        if (onAddClickListener != null) {
+                            onAddClickListener.onClick(viewHolder.getAdapterPosition());
+                        }
+                    } else {
+                        Toast.makeText(mContext, "最多添加四张!", Toast.LENGTH_SHORT).show();
+                    }
+                });
+            }
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return gridPicBeanList.size() + 1;
+    }
+
+    public void setOnAddClickListener(PicGridAdapter.onAddClickListener onAddClickListener) {
+        this.onAddClickListener = onAddClickListener;
+    }
+
+    public void addPicData(GridPicBean gridPicBean) {
+        gridPicBeanList.add(gridPicBean);
+        notifyItemRangeChanged(gridPicBeanList.size() - 1, 2);
+    }
+
+    public void clearPicData() {
+        gridPicBeanList.clear();
+    }
+
+    public void replaceData(int position, GridPicBean gridPicBean) {
+        gridPicBeanList.set(position, gridPicBean);
+        notifyDataSetChanged();
+    }
+
+    public List<String> getImagePathList() {
+        List<String> images = new ArrayList<>();
+        for (GridPicBean gridPicBean : gridPicBeanList) {
+            images.add(gridPicBean.getImagePath());
+        }
+        return images;
+    }
+
+    interface onAddClickListener {
+        void onClick(int position);
+    }
+
+    private static class AddIconViewHolder extends RecyclerView.ViewHolder {
+        private ImageView imageView;
+
+        public AddIconViewHolder(@NonNull @NotNull View itemView) {
+            super(itemView);
+            imageView = (ImageView) itemView.findViewById(R.id.bg_pic_add);
+        }
+    }
+
+    private static class PicViewHolder extends RecyclerView.ViewHolder {
+        private ImageView imageView;
+        private ImageView imageDeleteView;
+        private ImageView ivLoading;
+
+        public PicViewHolder(@NonNull @NotNull View itemView) {
+            super(itemView);
+            imageView = itemView.findViewById(R.id.pic_iv);
+            imageDeleteView = itemView.findViewById(R.id.pic_delete_iv);
+            ivLoading = itemView.findViewById(R.id.iv_loading);
+        }
+    }
+}

commonLib/src/main/res/layout/item_grid_pic_add.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="@dimen/font_80dp"
+    android:layout_height="@dimen/font_80dp">
+
+    <ImageView
+        android:id="@+id/bg_pic_add"
+        android:layout_width="@dimen/font_74dp"
+        android:layout_height="@dimen/font_74dp"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentBottom="true"
+        android:src="@drawable/ic_add" />
+</RelativeLayout>
+

commonLib/src/main/res/layout/item_grid_pic_show.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="@dimen/font_80dp"
+    android:layout_height="@dimen/font_80dp">
+
+    <ImageView
+        android:id="@+id/pic_iv"
+        android:layout_width="@dimen/font_74dp"
+        android:layout_height="@dimen/font_74dp"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentBottom="true"
+        android:scaleType="center" />
+
+    <ImageView
+        android:id="@+id/pic_delete_iv"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignTop="@+id/pic_iv"
+        android:layout_alignEnd="@+id/pic_iv"
+        android:layout_marginTop="-5dp"
+        android:layout_marginEnd="-5dp"
+        android:src="@drawable/ic_pic_delete" />
+
+    <ImageView
+        android:id="@+id/iv_loading"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#33000000"
+        android:padding="@dimen/font_20dp"
+        android:visibility="gone" />
+</RelativeLayout>