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[Android Studio] Chapter 11 직접 풀어보기

by 200% 2021. 7. 7.

[직접 풀어보기]

 

1

activitiy_main.xml

더보기 
<?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">

    <GridView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/gridView1"
        android:gravity="center"
        android:numColumns="4">
    </GridView>


</LinearLayout>

dialog.xml

더보기 
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center">

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/ivPoster"/>

</LinearLayout>

 

MainActivity.java

더보기 
package com.cookandroid.project11_1;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        setTitle("그리드뷰 포켓몬 도감");

        final GridView gv = (GridView) findViewById(R.id.gridView1);
        MyGridAdapter gAdapter = new MyGridAdapter(this);
        gv.setAdapter(gAdapter);
    }
    public class MyGridAdapter extends BaseAdapter{
        Context context;
        public MyGridAdapter(Context c){
            context = c;
        }

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

        @Override
        public Object getItem(int position) {
            return null;
        }

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

        Integer[] posterID = {
                R.drawable.mov1, R.drawable.mov2, R.drawable.mov3, R.drawable.mov4, R.drawable.mov5, R.drawable.mov6, R.drawable.mov7, R.drawable.mov8, R.drawable.mov9, R.drawable.mov10,
                R.drawable.mov1, R.drawable.mov2, R.drawable.mov3, R.drawable.mov4, R.drawable.mov5, R.drawable.mov6, R.drawable.mov7, R.drawable.mov8, R.drawable.mov9, R.drawable.mov10,
                R.drawable.mov1, R.drawable.mov2, R.drawable.mov3, R.drawable.mov4, R.drawable.mov5, R.drawable.mov6, R.drawable.mov7, R.drawable.mov8, R.drawable.mov9, R.drawable.mov10,
                R.drawable.mov1, R.drawable.mov2, R.drawable.mov3, R.drawable.mov4, R.drawable.mov5, R.drawable.mov6, R.drawable.mov7, R.drawable.mov8, R.drawable.mov9, R.drawable.mov10
        };
        String[] posterName = {
                "아차모", "찌르성게", "이브이", "해무기", "지라치", "란쿨루스", "누니머기", "팽도리", "피츄", "피카츄",
                "아차모", "찌르성게", "이브이", "해무기", "지라치", "란쿨루스", "누니머기", "팽도리", "피츄", "피카츄",
                "아차모", "찌르성게", "이브이", "해무기", "지라치", "란쿨루스", "누니머기", "팽도리", "피츄", "피카츄",
                "아차모", "찌르성게", "이브이", "해무기", "지라치", "란쿨루스", "누니머기", "팽도리", "피츄", "피카츄"
        };

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

            imageview.setImageResource(posterID[position]);

            final int pos = position;
            imageview.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    View dialogView = (View) View.inflate(MainActivity.this, R.layout.dialog, null);
                    AlertDialog.Builder dlg = new AlertDialog.Builder(MainActivity.this);
                    ImageView ivPoster = (ImageView) dialogView.findViewById(R.id.ivPoster);
                    ivPoster.setImageResource(posterID[pos]);
                    dlg.setTitle(posterName[pos]);
                    dlg.setIcon(R.drawable.ic);
                    dlg.setView(dialogView);
                    dlg.setNegativeButton("닫기", null);
                    dlg.show();
                }
            });

            return imageview;
        }}
}

 

 

2

activitiy_main.xml

더보기 
<?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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <Gallery
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/gallery1"
        android:spacing="5dp">
    </Gallery>
    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/ivPoster"
        android:padding="20dp"/>
</LinearLayout>

toast1.xml

더보기 
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal" android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#0000ff"
    android:gravity="center">
    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/toastText1"
        android:textSize="20dp"
        android:textColor="#ffffff"
        android:text="TextView"/>
    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic"/>


</LinearLayout>

MainActivity.java

더보기 
package com.cookandroid.project11_2;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.os.Bundle;
import android.view.Display;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
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 {

    TextView toastText;
    View toastView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        setTitle("갤러리 포켓몬 도감");

        Gallery 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.mov1, R.drawable.mov2, R.drawable.mov3, R.drawable.mov4, R.drawable.mov5, R.drawable.mov6, R.drawable.mov7, R.drawable.mov8, R.drawable.mov9, R.drawable.mov10
        };
        String[] posterName = {
                "아차모", "찌르성게", "이브이", "해무기", "지라치", "란쿨루스", "누니머기", "팽도리", "피츄", "피카츄",
        };

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

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

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

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

        @Override
        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() {
                @Override
                public boolean onTouch(View v, MotionEvent event) {
                    ImageView ivPoster = (ImageView) findViewById(R.id.ivPoster);
                    ivPoster.setScaleType(ImageView.ScaleType.FIT_CENTER);
                    ivPoster.setImageResource(posterID[pos]);

                    Toast toast = new Toast(MainActivity.this);
                    toastView = (View) View.inflate(MainActivity.this, R.layout.toast1, null);
                    toastText = (TextView) toastView.findViewById(R.id.toastText1);
                    toastText.setText(posterName[pos]);
                    toast.setView(toastView);
                    toast.show();
                    return false;
                }
            });

            return imageview;
        }
    }

}

 

3

activitiy_main.xml

더보기 
<?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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <Spinner
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/spinner1"/>
    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="center"
        android:id="@+id/ivPoster"/>

</LinearLayout>

 

MainActivity.java

더보기 
package com.cookandroid.project10_3;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.Spinner;

public class MainActivity extends AppCompatActivity {

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

        final String[] pokemon = {
                "아차모", "찌르성게", "이브이", "해무기", "지라치", "란쿨루스", "누니머기", "팽도리", "피츄", "피카츄",
        };
        final Integer[] posterID = {
                R.drawable.mov1, R.drawable.mov2, R.drawable.mov3, R.drawable.mov4, R.drawable.mov5, R.drawable.mov6, R.drawable.mov7, R.drawable.mov8, R.drawable.mov9, R.drawable.mov10
        };

        Spinner spinner = (Spinner) findViewById(R.id.spinner1);

        ArrayAdapter<String> adapter;
        adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, pokemon);
        spinner.setAdapter(adapter);

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                ImageView ivPoster = (ImageView) findViewById(R.id.ivPoster);
                ivPoster.setScaleType(ImageView.ScaleType.FIT_CENTER);
                ivPoster.setPadding(5, 5, 5, 5);
                ivPoster.setImageResource(posterID[position]);
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {

            }
        });
    }
}

 

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