[안드로이드 프로그래밍] 11장 직접 풀어보기 11-2

한빛아카데미 Android Studio를 활용한 안드로이드 프로그래밍 6판

 

p.443 직접 풀어보기 11-2

 

영화 포스터를 클릭하면 영화 제목이 토스트 메시지에 나타나도록 [실습 11-2]를 수정하라.

토스트 메시지가 아이콘과 함께 나타나게 한다.

 

HINT  고급 토스트는 [실습 7-3]을 참조한다.

 

코드

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <Gallery
        android:id="@+id/gallery1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:spacing="5dp" />

    <ImageView
        android:id="@+id/ivPoster"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:padding="20dp" />

</LinearLayout>

 

toast.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#00FF00"
    android:gravity="center"
    android:orientation="horizontal">

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/movie_icon" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView" />

    <ImageView
        android:id="@+id/imageView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/movie_icon" />

</LinearLayout>

 

MainActivity.java

package com.cookandroid.test2;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        setTitle("갤러리 영화 포스터(개선)");

        Gallery gallery = findViewById(R.id.gallery1);

        MyGalleryAdapter galAdapter = new MyGalleryAdapter(this);
        gallery.setAdapter(galAdapter);
    }

    public class MyGalleryAdapter extends BaseAdapter {

        Context context;
        Integer[] posterID = {R.drawable.mov11, R.drawable.mov12,
                R.drawable.mov13, R.drawable.mov14, R.drawable.mov15,
                R.drawable.mov16, R.drawable.mov17, R.drawable.mov18,
                R.drawable.mov19, R.drawable.mov20};

        public MyGalleryAdapter(Context c) { context = c; }

        public int getCount() { return posterID.length; }

        public Object getItem(int arg0) { return null; }

        public long getItemId(int position) { return 0; }

        String[] posterTitle = {"여인의 향기", "쥬라기 공원", "포레스트 검프", "사랑의 블랙홀",
                "혹성탈출", "아름다운비행", "내이름은 칸", "해리포터", "마더", "킹콩을 들다"};

        public View getView(int position, View convertView, ViewGroup parent) {
            ImageView imageview = new ImageView(context);
            imageview.setLayoutParams(new Gallery.LayoutParams(200, 300));
            imageview.setScaleType(ImageView.ScaleType.FIT_CENTER);
            imageview.setPadding(5, 5, 5, 5);
            imageview.setImageResource(posterID[position]);

            final int pos = position;
            imageview.setOnTouchListener(new View.OnTouchListener() {
                public boolean onTouch(View v, MotionEvent event) {
                    ImageView ivPoster = findViewById(R.id.ivPoster);
                    ivPoster.setScaleType(ImageView.ScaleType.FIT_CENTER);
                    ivPoster.setImageResource(posterID[pos]);

                    Toast toast = new Toast(getApplicationContext());
                    View toastView = View.inflate(getApplicationContext(), R.layout.toast, null);
                    TextView toastText = toastView.findViewById(R.id.textView1);
                    toastText.setText(posterTitle[pos]);
                    toast.setView(toastView);
                    toast.show();

                    return false;
                }
            });

            return imageview;
        }
    }
}

 

결과