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[동영상 강좌 ] 블스 - 동영상 강좌 제 11강 어댑터(Adapter) 뷰-IV , GridView, ImageView, HorizontalScrollView

2017-09-03 18:46:12 By 머나먼나라 0 798 댓글수 4 포스트 하기

11월 2024
일	월	화	수	목	금	토
					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30

class MainActivity

package com.example.choi.mystudy11;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

public class MainActivity extends AppCompatActivity {


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

    }



    public void onClick(View v){
        Intent intent =null;
        switch (v.getId()){

            case R.id.button1:
                intent=new Intent(this, GridViewActivity.class);
                break;
            case R.id.button2:
                intent=new Intent(this, HorizontalScrollViewAtivity.class);
                break;
        }
        startActivity(intent);
    }







}

R.layout.activity_main

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    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="com.example.choi.mystudy11.MainActivity">

    <Button
        android:text="그리드뷰"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:id="@+id/button1"
        android:onClick="onClick"
        />

    <Button
        android:text="스크롤뷰"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/button1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="33dp"
        android:id="@+id/button2"
        android:onClick="onClick"
        />


</RelativeLayout>

class GridViewActivity

package com.example.choi.mystudy11;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.GridView;

public class GridViewActivity extends AppCompatActivity {

    private int[] data={
            R.drawable.g2, R.drawable.g3, R.drawable.g4, R.drawable.g5, R.drawable.g6,
            R.drawable.g7, R.drawable.g8, R.drawable.g9, R.drawable.g10, R.drawable.g11,
            R.drawable.g12, R.drawable.g13, R.drawable.g14, R.drawable.g15, R.drawable.g16,
            R.drawable.g2, R.drawable.g3, R.drawable.g4, R.drawable.g5, R.drawable.g6,
            R.drawable.g7, R.drawable.g8, R.drawable.g9, R.drawable.g10, R.drawable.g11,
            R.drawable.g12, R.drawable.g13, R.drawable.g14, R.drawable.g15, R.drawable.g16,
            R.drawable.g2, R.drawable.g3, R.drawable.g4, R.drawable.g5, R.drawable.g6,
            R.drawable.g7, R.drawable.g8, R.drawable.g9, R.drawable.g10, R.drawable.g11,
            R.drawable.g12, R.drawable.g13, R.drawable.g14, R.drawable.g15, R.drawable.g16,
            R.drawable.g2, R.drawable.g3, R.drawable.g4, R.drawable.g5, R.drawable.g6,
            R.drawable.g7, R.drawable.g8, R.drawable.g9, R.drawable.g10, R.drawable.g11,
            R.drawable.g12, R.drawable.g13, R.drawable.g14, R.drawable.g15, R.drawable.g16
    };

    private GridCustomAdapter adapter=null;
    private GridView gridView=null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_grid_view);

        adapter=new GridCustomAdapter(this, data);

        gridView=(GridView)findViewById(R.id.gv_01);
        gridView.setAdapter(adapter);

    }




}

R.layout.activity_grid_view

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_grid_view"
    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="com.example.choi.mystudy11.GridViewActivity">

    <TextView
        android:text="그리드뷰"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/textView"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:textStyle="normal|bold"
        android:textSize="20sp"
        android:textAlignment="center" />

    <GridView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/textView"
        android:layout_centerHorizontal="true"
        android:numColumns="3"
        android:id="@+id/gv_01"
        android:gravity="center_vertical|center_horizontal" />

</RelativeLayout>

class GridCustomAdapter

package com.example.choi.mystudy11;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.Toast;

/**
 * Created by choi on 2017-03-04.
 */

public class GridCustomAdapter extends BaseAdapter {

    private Context mContext;
    private int[] data;

    public GridCustomAdapter(Context context, int[] data) {
        this.mContext=context;
        this.data=data;
    }

    @Override
    public int getCount() {
        return data.length;
    }

    @Override
    public Object getItem(int position) {
        return data[position];
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
        ImageView imageView=null;

        if(convertView==null){
            imageView=new ImageView(mContext);
            //GridView.LayoutParams(가로 , 높이)
            imageView.setLayoutParams(new GridView.LayoutParams(80, 80));
            imageView.setScaleType(imageView.getScaleType().CENTER_CROP);
            imageView.setPadding(5, 5, 5,5);
        }else{
            imageView=(ImageView)convertView;
        }
        imageView.setImageResource(data[position]);

        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int i = data[position];
                Toast.makeText(mContext, "이미지 넘버 : "+i, Toast.LENGTH_SHORT).show();
            }
        });
        return imageView;
    }



}

class HorizontalScrollViewAtivity

package com.example.choi.mystudy11;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;

public class HorizontalScrollViewAtivity extends AppCompatActivity {

    private int[] data={
        R.drawable.r1, R.drawable.r2, R.drawable.r3, R.drawable.r4,
            R.drawable.r1, R.drawable.r2, R.drawable.r3, R.drawable.r4,
            R.drawable.r1, R.drawable.r2, R.drawable.r3, R.drawable.r4,
            R.drawable.r1, R.drawable.r2, R.drawable.r3, R.drawable.r4
    };

    private HorizeontalCustomAdapter adapter=null;
    private GridView gv =null;
    private ImageView[] ivs;
    private LinearLayout linearLayout=null;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_horizontal_scroll_view_ativity);

        adapter=new HorizeontalCustomAdapter(this, data);
        gv=(GridView)findViewById(R.id.gv_01);
        gv.setAdapter(adapter);

        linearLayout=(LinearLayout)findViewById(R.id.ll_01);
        ivs=new ImageView[data.length];

        for(int i=0; i< data.length ; i++) {
            ivs[i] = new ImageView(this);
            ivs[i].setImageResource(data[i]);
            linearLayout.addView(ivs[i]);

        }
    }



}

R.layout.activity_horizontal_scroll_view_ativity

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_horizontal_scroll_view_ativity"
    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="com.example.choi.mystudy11.HorizontalScrollViewAtivity">

    <GridView
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:id="@+id/gv_01"
        android:padding="3dp"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:numColumns="3"
        android:background="@android:color/holo_green_dark"
        android:gravity="center_vertical|center_horizontal" />

    <HorizontalScrollView
        android:id="@+id/hav_01"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_below="@+id/gv_01">

        <LinearLayout
            android:id="@+id/ll_01"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="horizontal" />
    </HorizontalScrollView>


</RelativeLayout>

class HorizeontalCustomAdapter

package com.example.choi.mystudy11;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;

/**
 * Created by choi on 2017-03-04.
 */

public class HorizeontalCustomAdapter extends BaseAdapter{

    private Context mContext=null;
    private int[] data=null;

    public HorizeontalCustomAdapter(Context context, int[] data) {
        this.mContext=context;
        this.data=data;
    }

    @Override
    public int getCount() {
        return data.length;
    }

    @Override
    public Object getItem(int position) {
        return data[position];
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ImageView imageView=null;
        if(convertView==null){
            imageView=new ImageView(mContext);
            imageView.setLayoutParams(new GridView.LayoutParams(120,120));
            imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
            imageView.setPadding(5, 5, 5,5);
        }else{
            imageView=(ImageView)convertView;
        }
        imageView.setImageResource(data[position]);
        return imageView;
    }



}