어댑터뷰 - 갤러리

Activity_main.xml

 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

 

    <Gallery

        android:id="@+id/gallery"

        android:layout_width="fill_parent"

        android:layout_height="fill_parent"

        android:animationDuration="1500"

        android:spacing="5px" />   

 

</RelativeLayout>

 

 

ImageAdapter.java

 

package com.example.gridviewex02;

 

import android.content.Context;

 

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.Gallery;

import android.widget.ImageView;

 

public class ImageAdapter extends BaseAdapter {

 

     private Context mContext;

     private int[] mImageIds = { R.drawable.image1, R.drawable.image2,

                R.drawable.image3, R.drawable.image4, R.drawable.image5,

                R.drawable.image6

 

     };

 

     public ImageAdapter(Context c) {

           mContext = c;

     }

 

     @Override

     public int getCount() {

           // TODO Auto-generated method stub

           return mImageIds.length;

     }

 

     @Override

     public Object getItem(int position) {

           // TODO Auto-generated method stub

           return mImageIds[position];

     }

 

     @Override

     public long getItemId(int position) {

           // TODO Auto-generated method stub

           return position;

     }

 

     @Override

     public View getView(int position, View convertView, ViewGroup parent) {

           // TODO Auto-generated method stub

           ImageView imageView;

           if (convertView == null) {

                imageView = new ImageView(mContext);

           } else {

                imageView = (ImageView) convertView;

           }

           imageView.setImageResource(mImageIds[position]);

           imageView.setScaleType(ImageView.ScaleType.FIT_XY);

           imageView.setLayoutParams(new Gallery.LayoutParams(136, 88));

           return imageView;

     }

 

}

 

 

MainActivity.java

 

package com.example.gridviewex02;

 

import android.os.Bundle;

 

import android.app.Activity;

import android.view.Menu;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemSelectedListener;

import android.widget.Gallery;

import android.widget.Toast;

 

public class MainActivity extends Activity {

 

     @Override

     protected void onCreate(Bundle savedInstanceState) {

           super.onCreate(savedInstanceState);

           setContentView(R.layout.activity_main);

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

           gal.setAdapter(new ImageAdapter(this));

           gal.setOnItemSelectedListener(new OnItemSelectedListener() {

 

                public void onItemSelected(AdapterView<?> parent, View view,

                           int position, long id) {

                     Toast.makeText(MainActivity.this, position + "번째그림선택",

                                Toast.LENGTH_SHORT).show();

                }

 

                public void onNothingSelected(AdapterView<?> parent) {

                }

           });

     }

 

     @Override

     public boolean onCreateOptionsMenu(Menu menu) {

           // Inflate the menu; this adds items to the action bar if it is present.

           getMenuInflater().inflate(R.menu.main, menu);

           return true;

     }

 

}