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134 changes: 134 additions & 0 deletions
134
app/src/main/java/com/cretin/www/expandabletextview/ShowInRecyclerViewActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| package com.cretin.www.expandabletextview; | ||
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| import android.content.Context; | ||
| import android.support.design.widget.FloatingActionButton; | ||
| import android.support.v7.app.AppCompatActivity; | ||
| import android.os.Bundle; | ||
| import android.support.v7.widget.DividerItemDecoration; | ||
| import android.support.v7.widget.LinearLayoutManager; | ||
| import android.support.v7.widget.RecyclerView; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.Toast; | ||
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| import com.cretin.www.expandabletextview.model.ViewModel; | ||
| import com.cretin.www.expandabletextview.model.ViewModelWithFlag; | ||
| import com.ctetin.expandabletextviewlibrary.ExpandableTextView; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class ShowInRecyclerViewActivity extends AppCompatActivity { | ||
| private RecyclerView recyclerView; | ||
| private MyRecyclerViewAdapter adapter; | ||
| private List list; | ||
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| private FloatingActionButton floatingActionButton; | ||
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| //是需要保存展开或收回状态 | ||
| private boolean flag; | ||
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| private String yourText = " 我所认识的中国，强大、友好。@奥特曼 “一带一路”经济带带动了沿线国家的经济发展，促进我国与他国的友好往来和贸易发展，可谓“双赢”。http://www.baidu.com 自古以来，中国以和平、友好的面孔示人。汉武帝派张骞出使西域，开辟丝绸之路，增进与西域各国的友好往来。http://www.baidu.com 胡麻、胡豆、香料等食材也随之传入中国，汇集于中华美食。@RNG 漠漠古道，驼铃阵阵，这条路奠定了“一带一路”的基础，让世界认识了中国。"; | ||
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| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.activity_show_in_recycler_view); | ||
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| recyclerView = findViewById(R.id.recyclerview); | ||
| floatingActionButton = findViewById(R.id.float_btn); | ||
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| list = new ArrayList<>(); | ||
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| for (int i = 0; i < 50; i++) { | ||
| list.add(new ViewModel(yourText)); | ||
| } | ||
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| adapter = new MyRecyclerViewAdapter(this, list); | ||
| recyclerView.setLayoutManager(new LinearLayoutManager(this)); | ||
| recyclerView.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL)); | ||
| recyclerView.setAdapter(adapter); | ||
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| floatingActionButton.setOnClickListener(new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View v) { | ||
| changeStateAndSetData(); | ||
| } | ||
| }); | ||
| } | ||
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| /** | ||
| * 切换状态 | ||
| */ | ||
| private void changeStateAndSetData() { | ||
| flag = !flag; | ||
| list.clear(); | ||
| if (flag) { | ||
| Toast.makeText(this, "保留之前的展开或收回状态", Toast.LENGTH_SHORT).show(); | ||
| floatingActionButton.setImageResource(R.mipmap.green); | ||
| for (int i = 0; i < 50; i++) { | ||
| list.add(new ViewModelWithFlag(yourText)); | ||
| } | ||
| } else { | ||
| Toast.makeText(this, "不保留之前的展开或收回状态", Toast.LENGTH_SHORT).show(); | ||
| floatingActionButton.setImageResource(R.mipmap.gray); | ||
| for (int i = 0; i < 50; i++) { | ||
| list.add(new ViewModel(yourText)); | ||
| } | ||
| } | ||
| adapter.notifyDataSetChanged(); | ||
| } | ||
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| public class MyRecyclerViewAdapter extends RecyclerView.Adapter<MyRecyclerViewAdapter.RecyclerHolder> { | ||
| private Context mContext; | ||
| private List dataList; | ||
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| public MyRecyclerViewAdapter(Context context, List list) { | ||
| this.mContext = context; | ||
| this.dataList = list; | ||
| } | ||
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| @Override | ||
| public RecyclerHolder onCreateViewHolder(ViewGroup parent, int viewType) { | ||
| View view = LayoutInflater.from(mContext).inflate(R.layout.item_text, parent, false); | ||
| return new RecyclerHolder(view); | ||
| } | ||
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| @Override | ||
| public void onBindViewHolder(RecyclerHolder holder, int position) { | ||
| if (flag) { | ||
| //注意：保留状态需要在设置内容之前调用bind方法 | ||
| holder.textView.bind((ViewModelWithFlag) list.get(position)); | ||
| holder.textView.setContent(((ViewModelWithFlag) list.get(position)).getTitle()); | ||
| } else { | ||
| holder.textView.setContent(((ViewModel) list.get(position)).getTitle()); | ||
| } | ||
| holder.textView.setLinkClickListener((type, content1) -> { | ||
| switch (type) { | ||
| case LINK_TYPE: | ||
| Toast.makeText(mContext, "点击链接：" + content1, Toast.LENGTH_SHORT).show(); | ||
| break; | ||
| case MENTION_TYPE: | ||
| Toast.makeText(mContext, "点击用户：" + content1, Toast.LENGTH_SHORT).show(); | ||
| break; | ||
| } | ||
| }); | ||
| } | ||
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| @Override | ||
| public int getItemCount() { | ||
| return dataList.size(); | ||
| } | ||
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| class RecyclerHolder extends RecyclerView.ViewHolder { | ||
| private ExpandableTextView textView; | ||
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| private RecyclerHolder(View itemView) { | ||
| super(itemView); | ||
| textView = itemView.findViewById(R.id.tv_item); | ||
| } | ||
| } | ||
| } | ||
| } |
23 changes: 23 additions & 0 deletions
23
app/src/main/java/com/cretin/www/expandabletextview/model/ViewModel.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package com.cretin.www.expandabletextview.model; | ||
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| /** | ||
| * @date: on 2018/9/20 | ||
| * @author: cretin | ||
| * @email: [email protected] | ||
| * @desc: ViewModel 不需要记住之前的状态 | ||
| */ | ||
| public class ViewModel { | ||
| private String title; | ||
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| public ViewModel(String title) { | ||
| this.title = title; | ||
| } | ||
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| public String getTitle() { | ||
| return title; | ||
| } | ||
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| public void setTitle(String title) { | ||
| this.title = title; | ||
| } | ||
| } |
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