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| 1 | +package com.chad.baserecyclerviewadapterhelper.adapter; |
| 2 | + |
| 3 | +import android.support.annotation.Nullable; |
| 4 | + |
| 5 | +import com.chad.baserecyclerviewadapterhelper.adapter.provider.ImgItemProvider; |
| 6 | +import com.chad.baserecyclerviewadapterhelper.adapter.provider.TextImgItemProvider; |
| 7 | +import com.chad.baserecyclerviewadapterhelper.adapter.provider.TextItemProvider; |
| 8 | +import com.chad.baserecyclerviewadapterhelper.entity.NormalMultipleEntity; |
| 9 | +import com.chad.library.adapter.base.MultipleItemRvAdapter; |
| 10 | + |
| 11 | +import java.util.List; |
| 12 | + |
| 13 | +/** |
| 14 | + * https://github.com/chaychan |
| 15 | + * @author ChayChan |
| 16 | + * @description: MultipleItemRvAdapter demo |
| 17 | + * @date 2018/3/30 11:28 |
| 18 | + */ |
| 19 | + |
| 20 | +public class DemoMultipleItemRvAdapter extends MultipleItemRvAdapter<NormalMultipleEntity> { |
| 21 | + |
| 22 | + public static final int TYPE_TEXT = 100; |
| 23 | + public static final int TYPE_IMG = 200; |
| 24 | + public static final int TYPE_TEXT_IMG = 300; |
| 25 | + |
| 26 | + public DemoMultipleItemRvAdapter(@Nullable List<NormalMultipleEntity> data) { |
| 27 | + super(data); |
| 28 | + |
| 29 | + //构造函数若有传其他参数可以在调用finishInitialize()之前进行赋值,赋值给全局变量 |
| 30 | + //这样getViewType()和registerItemProvider()方法中可以获取到传过来的值 |
| 31 | + //getViewType()中可能因为某些业务逻辑,需要将某个值传递过来进行判断,返回对应的viewType |
| 32 | + //registerItemProvider()中可以将值传递给ItemProvider |
| 33 | + |
| 34 | + //If the constructor has other parameters, it needs to be assigned before calling finishInitialize() and assigned to the global variable |
| 35 | + // This getViewType () and registerItemProvider () method can get the value passed over |
| 36 | + // getViewType () may be due to some business logic, you need to pass a value to judge, return the corresponding viewType |
| 37 | + //RegisterItemProvider() can pass value to ItemProvider |
| 38 | + |
| 39 | + finishInitialize(); |
| 40 | + } |
| 41 | + |
| 42 | + @Override |
| 43 | + protected int getViewType(NormalMultipleEntity entity) { |
| 44 | + //根据实体类判断并返回对应的viewType,具体判断逻辑因业务不同,这里这是简单通过判断type属性 |
| 45 | + //According to the entity class to determine and return the corresponding viewType, |
| 46 | + //the specific judgment logic is different because of the business, here is simply by judging the type attribute |
| 47 | + if (entity.type == NormalMultipleEntity.SINGLE_TEXT){ |
| 48 | + return TYPE_TEXT; |
| 49 | + }else if (entity.type == NormalMultipleEntity.SINGLE_IMG){ |
| 50 | + return TYPE_IMG; |
| 51 | + }else if (entity.type == NormalMultipleEntity.TEXT_IMG){ |
| 52 | + return TYPE_TEXT_IMG; |
| 53 | + } |
| 54 | + return 0; |
| 55 | + } |
| 56 | + |
| 57 | + @Override |
| 58 | + public void registerItemProvider() { |
| 59 | + //注册相关的条目provider |
| 60 | + //Register related entries provider |
| 61 | + mProviderDelegate.registerProvider(new TextItemProvider()); |
| 62 | + mProviderDelegate.registerProvider(new ImgItemProvider()); |
| 63 | + mProviderDelegate.registerProvider(new TextImgItemProvider()); |
| 64 | + } |
| 65 | +} |
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