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두 개의 이미지뷰에 이미지 번갈아 보여주기

pureworld 2019. 7. 8. 20:35

두 개의 이미지뷰에 이미지 번갈아 보여주기 


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package com.example.hello;
 
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.drawable.BitmapDrawable;
import android.media.Image;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.HorizontalScrollView;
import android.widget.ImageView;
import android.widget.ScrollView;
import android.widget.Toast;
 
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
 
 
public class MainActivity extends AppCompatActivity {
    @BindView(R.id.main_iv_cat)
    ImageView cat;
    @BindView(R.id.main_iv_univ)
    ImageView univ;
  
    @BindView(R.id.main_tv_up)
    Button up;
    @BindView(R.id.main_tv_down)
    Button down;
    BitmapDrawable bitmap1,bitmap2;
 
    boolean imageindex=true;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);
        sv1.setHorizontalScrollBarEnabled(true);
        sv2.setHorizontalScrollBarEnabled(true);
        Resources res=getResources();
        bitmap1=(BitmapDrawable)res.getDrawable(R.drawable.kitty);
        int bitmapWidth1=bitmap1.getIntrinsicWidth();
        int bitmapHeight1=bitmap1.getIntrinsicHeight();
        cat.setImageDrawable(bitmap1);
        cat.getLayoutParams().width=bitmapWidth1;
        cat.getLayoutParams().height=bitmapHeight1;
        bitmap2=(BitmapDrawable)res.getDrawable(R.drawable.universe);
        int bitmapWidth2=bitmap2.getIntrinsicWidth();
        int bitmapHeight2=bitmap2.getIntrinsicHeight();
        univ.setImageDrawable(bitmap2);
        univ.getLayoutParams().width=bitmapWidth2;
        univ.getLayoutParams().height=bitmapHeight2;
    }
 
    @OnClick({R.id.main_tv_up,R.id.main_tv_down})
    public void onClick(View v){
        if(v.equals(up)||v.equals(down))
            changeImage();
    }
 
    private void changeImage() {
 
        if(imageindex){
            Resources res=getResources();
            bitmap1=(BitmapDrawable)res.getDrawable(R.drawable.universe);
            int bitmapWidth1=bitmap1.getIntrinsicWidth();
            int bitmapHeight1=bitmap1.getIntrinsicHeight();
            cat.setImageDrawable(bitmap1);
            cat.getLayoutParams().width=bitmapWidth1;
            cat.getLayoutParams().height=bitmapHeight1;
            bitmap2=(BitmapDrawable)res.getDrawable(R.drawable.kitty);
            int bitmapWidth2=bitmap2.getIntrinsicWidth();
            int bitmapHeight2=bitmap2.getIntrinsicHeight();
            univ.setImageDrawable(bitmap2);
            univ.getLayoutParams().width=bitmapWidth2;
            univ.getLayoutParams().height=bitmapHeight2;
            imageindex=false;
        }
        else{
            Resources res=getResources();
            bitmap1=(BitmapDrawable)res.getDrawable(R.drawable.kitty);
            int bitmapWidth1=bitmap1.getIntrinsicWidth();
            int bitmapHeight1=bitmap1.getIntrinsicHeight();
            cat.setImageDrawable(bitmap1);
            cat.getLayoutParams().width=bitmapWidth1;
            cat.getLayoutParams().height=bitmapHeight1;
            bitmap2=(BitmapDrawable)res.getDrawable(R.drawable.universe);
            int bitmapWidth2=bitmap2.getIntrinsicWidth();
            int bitmapHeight2=bitmap2.getIntrinsicHeight();
            univ.setImageDrawable(bitmap2);
            univ.getLayoutParams().width=bitmapWidth2;
            univ.getLayoutParams().height=bitmapHeight2;
            imageindex=true;
        }
    }
 
 
}
cs

메인 엑티비티 


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<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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">
 
   <LinearLayout
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       android:orientation="vertical"
       android:padding="50dp">
       <HorizontalScrollView
           android:id="@+id/main_sv1"
           android:layout_width="match_parent"
           android:layout_height="250dp">
           <ScrollView
               android:layout_width="match_parent"
               android:layout_height="match_parent">
               <ImageView
                   android:id="@+id/main_iv_univ"
                   android:layout_width="wrap_content"
                   android:layout_height="wrap_content"
                   />
           </ScrollView>
       </HorizontalScrollView>
       <LinearLayout
           android:layout_width="match_parent"
           android:layout_height="wrap_content"
           android:orientation="horizontal"
           >
           <Button
               android:id="@+id/main_tv_up"
               android:layout_width="0dp"
               android:layout_height="wrap_content"
               android:layout_weight="1"
               android:text="△"
               android:textSize="30dp"
               android:gravity="center"
               />
           <LinearLayout
               android:layout_width="0dp"
               android:layout_height="match_parent"
               android:layout_weight="1"
               ></LinearLayout>
           <Button
               android:id="@+id/main_tv_down"
               android:layout_width="0dp"
               android:layout_height="wrap_content"
               android:layout_weight="1"
               android:text="▽"
               android:textSize="30dp"
               android:gravity="center"
               />
       </LinearLayout>
       <HorizontalScrollView
           android:id="@+id/main_sv2"
           android:layout_width="match_parent"
           android:layout_height="250dp">
           <ScrollView
               android:layout_width="match_parent"
               android:layout_height="match_parent">
               <ImageView
                   android:id="@+id/main_iv_cat"
                   android:layout_width="wrap_content"
                   android:layout_height="wrap_content"
                   />
           </ScrollView>
       </HorizontalScrollView>
   </LinearLayout>
 
</android.support.constraint.ConstraintLayout>
cs

xml 




버튼을 누르면 사진 두개가 위아래로 왔다갔다 함. 

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