Android 开发笔记___滚动视图__scroll view

 <?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="match_parent">

     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="演示效果"
         android:textColor="@color/text_color"
         android:textSize="25sp"
         android:layout_gravity="center"/>

     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="200dp">

         <HorizontalScrollView
             android:layout_width="wrap_content"
             android:layout_height="match_parent">

             <LinearLayout
                 android:layout_width="wrap_content"
                 android:layout_height="match_parent">

                 <View
                     android:layout_width="400dp"
                     android:background="#aaffff"
                     android:layout_height="match_parent"/>

                 <View
                     android:layout_width="400dp"
                     android:layout_height="match_parent"
                     android:background="#ffff00"/>

             </LinearLayout>
         </HorizontalScrollView>

     </LinearLayout>

     <ScrollView
         android:fillViewport="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content">

         <LinearLayout
             android:layout_width="match_parent"
             android:orientation="vertical"
             android:layout_height="wrap_content">

             <View
                 android:layout_width="match_parent"
                 android:background="#aa5511"
                 android:layout_height="400dp"/>

             <View
                 android:layout_width="match_parent"
                 android:layout_height="400dp"
                 android:background="#ffff00"/>

             <TextView
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:text="scrollview 的使用，有两种。\n垂直方向、水平方向。\n视图里面只能放一个布局"/>

         </LinearLayout>

     </ScrollView>

 </LinearLayout>

java

 package com.example.alimjan.hello_world;

 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.annotation.Nullable;

 /**
  * Created by alimjan on 6/30/2017.
  */

 public class class__2_2_3 extends Activity {
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.code_2_2_3);
     }

     public static void startHome(Context mContext) {
         Intent intent = new Intent(mContext, class__2_2_3.class);
         mContext.startActivity(intent);
     }
 }