build.gradle引入包,compile ‘com.android.support:design:25.3.1’
RecycleActivity以及布局文件
package com.example.test0508.RecyclerView;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import com.example.test0508.R;
public class RecycleViewActivity extends AppCompatActivity {
private Button mBtnLinear;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_recycle_view);
mBtnLinear = findViewById(R.id.btn_recl_linear);
mBtnLinear.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(RecycleViewActivity.this,LinearRecycleViewActivity.class);
startActivity(intent);
}
});
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
>
<!-- 类似于ListView的功能-->
<Button
android:id="@+id/btn_recl_linear"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="列表视图"
android:textSize="20sp"
/>
</LinearLayout>
LinearRecycleViewActivity以及页面布局
package com.example.test0508.RecyclerView;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import android.content.Context;
import android.graphics.Rect;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;
import com.example.test0508.R;
import java.util.List;
public class LinearRecycleViewActivity extends AppCompatActivity {
private RecyclerView mRvmain;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_linear_recycle_view);
mRvmain = findViewById(R.id.rv_main);
mRvmain.setLayoutManager(new LinearLayoutManager(LinearRecycleViewActivity.this));
/*
添加分割线
*/
mRvmain.addItemDecoration(new MyDecoration());
mRvmain.setAdapter(new LinearAdaptor(LinearRecycleViewActivity.this, new LinearAdaptor.OnItemClickListener() {
@Override
public void onClick(int pos) {
Toast.makeText(LinearRecycleViewActivity.this,"click"+pos,Toast.LENGTH_SHORT).show();
}
}));
}
class MyDecoration extends RecyclerView.ItemDecoration{
@Override
public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
super.getItemOffsets(outRect, view, parent, state);
outRect.set(0,0,0,getResources().getDimensionPixelOffset(R.dimen.dividerHeight));
}
}
}
/**
* ******************************************************************************************
* 线性布局的adaptor
*
*/
class LinearAdaptor extends RecyclerView.Adapter<LinearAdaptor.LinearViewHolder>{
private Context mContext;
private OnItemClickListener mListener; //回调
private List<String> list;
public LinearAdaptor(Context context,OnItemClickListener listener){
this.mContext = context;
this.mListener = listener;
}
@NonNull
@Override
public LinearAdaptor.LinearViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
return new LinearViewHolder(LayoutInflater.from(mContext).inflate(R.layout.layout_linear_item,parent,false));
}
@Override
public void onBindViewHolder(@NonNull LinearAdaptor.LinearViewHolder holder, final int position) {
holder.textView.setText("我是修改的标题");
/*
设置点击事件
*/
holder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mListener.onClick(position);
}
});
}
@Override
public int getItemCount() {
return 30;
}
class LinearViewHolder extends RecyclerView.ViewHolder{
private TextView textView;
public LinearViewHolder(@NonNull View itemView) {
super(itemView);
textView = itemView.findViewById(R.id.tv_linear_title);
}
}
public interface OnItemClickListener{
void onClick(int pos);
}
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/rv_main"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/colorGreen"
/>
</RelativeLayout>
这个的item
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#ffffff"
>
<TextView
android:id="@+id/tv_linear_title"
android:layout_width="match_parent"
android:layout_height="50dp"
android:gravity="center_horizontal"
android:textSize="29sp"
android:textColor="@color/colorBlack"
/>
</LinearLayout>