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Android简易图片浏览器的实现

34资源网2022-03-31443

闲着没事，花了半个小时用这几天发布的部分内容来做一个android简易图片浏览器小程序，代码设main_activity.xml设计首界面，设计三个按钮并赋予id，然后在mainactivity调用各个btn的id实现set方法，每个方法里实现intent跳转对应的界面即可！代码如下：(main2-3-4activity的代码我就不写了，在建立其mainactivity.java文件时，其xml对直接出来，并且我的mainactivity.java也没有写内容)

main_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<linearlayout 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"
    tools:context=".mainactivity"
    android:orientation="vertical"
    android:background="@drawable/bj"
 
    >
 
    <textview
 
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:layout_margintop="60dp"
        android:textsize="50dp"
        android:textcolor="#ff9800"
        android:text="csdn图片大全" />
<button
    android:id="@+id/btn1"
    android:layout_margintop="40dp"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="动漫"
    android:textsize="45sp"
    android:textcolor="@color/coloraccent"
 
    />
    <button
        android:id="@+id/btn2"
        android:layout_margintop="40dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="游戏"
        android:textsize="45sp"
        android:textcolor="@color/coloraccent"
 
        />
    <button
        android:id="@+id/btn3"
        android:layout_margintop="40dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="美女"
        android:textsize="45sp"
        android:textcolor="@color/coloraccent"
 
        />
 
</linearlayout>

activity_main2.xml

<?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="match_parent"
    android:background="#7a3f51b5"
    android:orientation="vertical">
    <scrollview
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <linearlayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
 
 
            <textview
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="欢迎来到动漫世界"
                android:gravity="center"
                android:textsize="40sp"
                />
            <imageview
                android:background="@drawable/dm"
                android:layout_width="match_parent"
                android:layout_height="350dp"
                />
            <imageview
                android:background="@drawable/dm1"
                android:layout_width="match_parent"
                android:layout_height="350dp"
                />
            <imageview
                android:background="@drawable/dm2"
                android:layout_width="match_parent"
                android:layout_height="350dp"
                />
            <imageview
                android:background="@drawable/dm3"
                android:layout_width="match_parent"
                android:layout_height="350dp"
                />
            <imageview
                android:background="@drawable/dm4"
                android:layout_width="match_parent"
                android:layout_height="350dp"
                />
            <imageview
                android:background="@drawable/dm5"
                android:layout_width="match_parent"
                android:layout_height="350dp"
                />
            <imageview
                android:background="@drawable/dm6"
                android:layout_width="match_parent"
                android:layout_height="350dp"
                />
            <textview
                android:gravity="center"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textsize="40sp"
                android:text="滑到最后一页了哦"
                />
        </linearlayout>
    </scrollview>
</linearlayout>

activity_main3.xml

<?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="match_parent"
    android:background="#ff226f"
    android:orientation="vertical">
    <scrollview
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <linearlayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
 
 
            <textview
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="欢迎来到游戏世界"
                android:gravity="center"
                android:textsize="40sp"
                />
            <imageview
                android:background="@drawable/youxi"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <imageview
                android:background="@drawable/youxi2"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <imageview
                android:background="@drawable/youxi3"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <imageview
                android:background="@drawable/youxi4"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <imageview
                android:background="@drawable/youxi1"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <imageview
                android:background="@drawable/youxi5"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <imageview
                android:background="@drawable/youxi6"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <imageview
                android:background="@drawable/youxi7"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <imageview
                android:background="@drawable/youxi8"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                />
            <textview
                android:gravity="center"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textsize="40sp"
                android:text="滑到最后一页了哦"
                />
        </linearlayout>
    </scrollview>
</linearlayout>

activity_main4.xml

<?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="match_parent"
 
    android:orientation="vertical">
    <scrollview
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <linearlayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
 
 
            <textview
                android:background="#9a86af4c"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="欢迎来到美女世界"
 
                android:gravity="center"
                android:textsize="40sp"
                />
            <imageview
 
                android:background="@drawable/mn1"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn2"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn3"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn4"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn5"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn6"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn7"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn8"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn9"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
            <imageview
                android:background="@drawable/mn10"
                android:layout_width="match_parent"
                android:layout_height="550dp"
                />
 
 
            <textview
                android:gravity="center"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textsize="40sp"
                android:text="滑到最后一页了哦"
                />
        </linearlayout>
    </scrollview>
</linearlayout>

mainactivity,java

package com.example.allphones;
 
 
import androidx.appcompat.app.appcompatactivity;
 
import android.content.intent;
import android.os.bundle;
import android.view.view;
import android.widget.button;
 
public class mainactivity extends appcompatactivity {
private button btn1,btn2,btn3;
    @override
    protected void oncreate(bundle savedinstancestate) {
        super.oncreate(savedinstancestate);
        setcontentview(r.layout.activity_main);
 
        btn1=findviewbyid(r.id.btn1);
        btn2=findviewbyid(r.id.btn2);
        btn3=findviewbyid(r.id.btn3);
                btn1.setonclicklistener(new view.onclicklistener() {
                    @override
                    public void onclick(view v) {
                        intent intent=new intent(mainactivity.this,main2activity.class);
                        startactivity(intent);
            }
        });
        btn2.setonclicklistener(new view.onclicklistener() {
            @override
            public void onclick(view v) {
 
                intent intent=new intent(mainactivity.this,main3activity.class);
                startactivity(intent);
            }
        });
        btn3.setonclicklistener(new view.onclicklistener() {
            @override
            public void onclick(view v) {
 
                intent intent=new intent(mainactivity.this,main4activity.class);
                startactivity(intent);
 
            }
        });
    }
}