'2018/12'에 해당되는 글 21건

<?php
$url = "http://100.10.10.10/chart/data.json";
$data = file_get_contents_curl($url);

//echo $data.'<br />';

$R = json_decode($data,TRUE);// JSON 데이터를 배열로 변환

foreach($R['content'] as $val) {
    echo $val['sysdate'] . ' | ' . $val['mcount'] . "<br />";
}

function file_get_contents_curl($url) {
    $ch = curl_init();// curl 리소스를 초기화
    curl_setopt($ch, CURLOPT_URL, $url); // url을 설정
    // 헤더는 제외하고 content 만 받음
    curl_setopt($ch, CURLOPT_HEADER, 0);
    // 응답 값을 브라우저에 표시하지 말고 값을 리턴
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $data = curl_exec($ch);
    curl_close($ch);// 리소스 해제를 위해 세션 연결 닫음
    return $data;
}

?> 

 <com.github.mikephil.charting.charts.BarChart
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/barchart" />

private void BarChartGraph(ArrayList<String> labelList, ArrayList<Integer> valList) {
    // BarChart 메소드
    BarChart barChart = (BarChart) findViewById(R.id.barchart);

    ArrayList<BarEntry> entries = new ArrayList<>();
    for(int i=0; i < valList.size();i++){
        entries.add(new BarEntry((Integer) valList.get(i), i));
    }

    BarDataSet depenses = new BarDataSet (entries, "전국 가입자수"); // 변수로 받아서 넣어줘도 됨
    depenses.setAxisDependency(YAxis.AxisDependency.LEFT);

    ArrayList<String> labels = new ArrayList<String>();
    for(int i=0; i < labelList.size(); i++){
        labels.add((String) labelList.get(i));
    }

    BarData data = new BarData(labels,depenses); // 라이브러리 v3.x 사용하면 에러 발생함
    depenses.setColors(ColorTemplate.COLORFUL_COLORS); //

    barChart.setData(data);
    barChart.animateXY(1000,1000);
    barChart.invalidate();
}

apply plugin: 'com.android.application'

android {

    compileSdkVersion 27

    defaultConfig {

        applicationId "com.tistory.android.mpchart"

        minSdkVersion 15

        targetSdkVersion 27

        versionCode 1

        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

    }

    repositories {

        maven { url "https://jitpack.io" }

    }

    buildTypes {

        release {

            minifyEnabled false

            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

        }

    }

}

dependencies {

    implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'com.android.support:appcompat-v7:27.1.1'

    implementation 'com.android.support.constraint:constraint-layout:1.1.3'

    implementation 'com.android.support:support-v4:27.1.1'

    implementation 'com.android.support:recyclerview-v7:27.1.1' // ListView 개선 버전

    implementation 'com.android.support:cardview-v7:27.1.1'

    implementation 'com.android.support:design:27.1.1'

    implementation 'gun0912.ted:tedpermission:2.0.0'

    implementation 'com.android.volley:volley:1.1.0'

    implementation 'com.github.bumptech.glide:glide:3.8.0' // 이미지 라이브러리

    //implementation 'com.github.PhilJay:MPAndroidChart:v3.1.0-alpha' // 차트 라이브러리

    implementation 'com.github.PhilJay:MPAndroidChart:v2.2.4'

} 

<?xml version="1.0" encoding="utf-8"?>

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

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical">

       <com.github.mikephil.charting.charts.LineChart

            android:layout_width="match_parent"

            android:layout_height="match_parent"

            android:id="@+id/chart" />

</LinearLayout> 

package com.tistory.android.mpchart;

import android.content.Context;

import android.content.Intent;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.widget.TextView;

import com.android.volley.Request;

import com.android.volley.RequestQueue;

import com.android.volley.Response;

import com.android.volley.VolleyError;

import com.android.volley.toolbox.StringRequest;

import com.android.volley.toolbox.Volley;

import com.github.mikephil.charting.charts.LineChart;

import com.github.mikephil.charting.components.YAxis;

import com.github.mikephil.charting.data.Entry;

import com.github.mikephil.charting.data.LineData;

import com.github.mikephil.charting.data.LineDataSet;

import com.github.mikephil.charting.interfaces.datasets.ILineDataSet;

import com.github.mikephil.charting.utils.ColorTemplate;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import java.util.ArrayList;

public class graphView extends AppCompatActivity implements View.OnClickListener {

    Context context;

    ArrayList<Integer> jsonList = new ArrayList<>(); // ArrayList 선언

    ArrayList<String> labelList = new ArrayList<>(); // ArrayList 선언

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_graphview);

        context = this.getBaseContext();

        initView();

    }

    private void initView() {

        // button action...

        findViewById(R.id.back_btn).setOnClickListener(this);

        findViewById(R.id.home_btn).setOnClickListener(this);

        // title set

        TextView title = (TextView) this.findViewById(R.id.navibar_text); // title

        //title.setText(getIntent().getExtras().getString("title"));

        title.setText("그래프");

        DataVolley();

    }

    private void DataVolley() {

        // 1. RequestQueue 생성 및 초기화

        RequestQueue requestQueue = Volley.newRequestQueue(context);

        String url = "http://100.10.10.10/chart/data.json";

        // 2. Request Obejct인 StringRequest 생성

        StringRequest request = new StringRequest(Request.Method.GET, url,

                new Response.Listener<String>() {

                    @Override

                    public void onResponse(String response) {

                        //Log.d("result", "[" + response + "]");

                        showJSONList(response);

                    }

                },

                new Response.ErrorListener() {

                    @Override

                    public void onErrorResponse(VolleyError error) {

                        Log.d("error", "[" + error.getMessage() + "]");

                    }

                }) {

        };

        // 3) 생성한 StringRequest를 RequestQueue에 추가

        requestQueue.add(request);

    }

    private void showJSONList(String JSONdata) {

        labelList.clear();

        jsonList.clear();

        try { // 파싱처리 부분은 json 파일 포멧에 맞게 설정해야 한다.

            JSONObject jsonObj = new JSONObject(JSONdata);

            JSONArray jsonArray = jsonObj.getJSONArray("content");

            for (int i = 0; i < jsonArray.length(); i++) {

                JSONObject c = jsonArray.getJSONObject(i);

                final String Sdate = c.getString("sysdate");

                final String Mdata = c.getString("mcount");

                System.out.println(i + " mcount : " + Mdata);

                labelList.add(DateChange(Sdate));

                jsonList.add(Integer.parseInt(Mdata));

            }

        } catch (JSONException e) {

            e.printStackTrace();

        }

        LineChartGraph(labelList, jsonList);

    }

    private void LineChartGraph(ArrayList labelList, ArrayList valList){

        // LineChart 메소드

        LineChart lineChart = (LineChart) findViewById(R.id.chart);

        ArrayList<Entry> entries = new ArrayList<>();

        for(int i=0; i < valList.size();i++){

            entries.add(new Entry((Integer) valList.get(i), i));

        }

        LineDataSet depenses = new LineDataSet(entries, "# of Calls");

        depenses.setAxisDependency(YAxis.AxisDependency.LEFT);

        ArrayList<String> labels = new ArrayList<String>();

        for(int i=0; i < labelList.size(); i++){

            labels.add((String) labelList.get(i));

        }

        ArrayList<ILineDataSet> dataSets = new ArrayList<>();

        dataSets.add((ILineDataSet)depenses);

        LineData data = new LineData(labels,dataSets); // 라이브러리 v3.x 사용하면 에러 발생함

        depenses.setColors(ColorTemplate.COLORFUL_COLORS); //

        //depenses.setDrawCubic(true); //선 둥글게 만들기

        //depenses.setDrawFilled(true); //그래프 밑부분 색칠

        lineChart.setData(data);

        lineChart.animateXY(1000,1000);

        lineChart.invalidate();

    }

    private String DateChange(String sysdate){

        String year = sysdate.split("-")[0];

        String month = sysdate.split("-")[1];

        String day = sysdate.split("-")[2];

        StringBuilder finalString = new StringBuilder();

        finalString.append(year.substring(2,4));

        finalString.append(".");

        finalString.append(month);

        //finalString.append(".");

        //finalString.append(day);

        return finalString.toString();

    }

    @Override

    public void onClick(View view) {

        switch (view.getId()) {

            case R.id.back_btn:

                finish();

                overridePendingTransition(R.anim.rightin, R.anim.rightout);

                break;

            case R.id.home_btn:

                Intent intent = new Intent(graphView.this, MainActivity.class);

                intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);

                startActivity(intent);

                break;

            default:

                break;

        }

    }

} 

apply plugin: 'com.android.application'

android {
    compileSdkVersion 27

    defaultConfig {
        applicationId "com.tistory.android.excel"
        minSdkVersion 19
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

    }

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

}

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    implementation 'com.android.support:support-v4:27.1.1'
    implementation 'com.android.support:recyclerview-v7:27.1.1' // ListView 개선 버전
    implementation 'com.android.support:cardview-v7:27.1.1'
    implementation 'com.android.support:design:27.1.1'
    implementation 'gun0912.ted:tedpermission:2.0.0'
    implementation 'com.android.volley:volley:1.1.0'
    implementation 'com.github.bumptech.glide:glide:3.8.0' // 이미지 라이브러리
    implementation files('libs/poi-4.0.1.jar')
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    package="com.tistory.android.excel">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <provider
            android:name="android.support.v4.content.FileProvider"
            android:authorities="${applicationId}.fileprovider"
            android:exported="false"
            android:grantUriPermissions="true">
            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/provider_paths"
                tools:replace="android:resource" />
        </provider>

    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>
<paths xmlns:android="http://schemas.android.com/apk/res/android">
    <external-path name="excel" path="." />
</paths>

if (Build.VERSION.SDK_INT >= 24) { // Android Nougat ( 7.0 ) and later
    Uri uri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".fileprovider",xlsFile);
    Intent intent = new Intent(Intent.ACTION_SEND);
    intent.setDataAndType(uri, "application/excel");
    intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
    intent.putExtra(Intent.EXTRA_STREAM,uri);
    startActivity(Intent.createChooser(intent,"엑셀 내보내기"));
} else {
    Uri uri = Uri.fromFile(xlsFile);
    Intent intent = new Intent(Intent.ACTION_SEND);
    intent.setType("application/excel");
    intent.putExtra(Intent.EXTRA_STREAM,uri);
    startActivity(Intent.createChooser(intent,"엑셀 내보내기"));
}

// 미디어 스캐닝 (폴더내에 생성된 파일 보이도록 하는 코드)
MediaScannerConnection.scanFile(getApplicationContext(), new String[]{xlsFile.getAbsolutePath()}, null, new MediaScannerConnection.OnScanCompletedListener() {
    @Override
    public void onScanCompleted(String s, Uri uri) {
    }
}); 

package com.tistory.android.excel;

import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.media.MediaScannerConnection;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.content.FileProvider;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Toast;

import com.gun0912.tedpermission.PermissionListener;
import com.gun0912.tedpermission.TedPermission;
import com.tistory.android.common.BackPressHandler;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
    Context context;
    ArrayList<String> aryName = new ArrayList<>();
    ArrayList<String> aryAge = new ArrayList<>();

    String exportFolderName = "/DCIM/Excel";
    String outputFileName = "test.xls";
    File xlsFile;

    private BackPressHandler backPressHandler;

    PermissionListener permissionlistener = new PermissionListener() {
        @Override
        public void onPermissionGranted() {
            initView();
        }

        @Override
        public void onPermissionDenied(ArrayList<String> deniedPermissions) {
            Toast.makeText(MainActivity.this, "권한 허용을 하지 않으면 서비스를 이용할 수 없습니다.", Toast.LENGTH_SHORT).show();
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        context = this.getBaseContext();
        backPressHandler = new BackPressHandler(this); // 뒤로 가기 버튼 이벤트

        // 네트워크 연결상태 체크
        if (NetworkConnection() == false) NotConnected_showAlert();
        checkPermissions();
    }

    private void checkPermissions() {
        if (Build.VERSION.SDK_INT >= 23) { // 마시멜로(안드로이드 6.0) 이상 권한 체크
            TedPermission.with(context)
                    .setPermissionListener(permissionlistener)
                    .setRationaleMessage("앱을 이용하기 위해서는 접근 권한이 필요합니다")
                    .setDeniedMessage("앱에서 요구하는 권한설정이 필요합니다...\n [설정] > [권한] 에서 사용으로 활성화해주세요.")
                    .setPermissions(new String[]{
                            //android.Manifest.permission.READ_PHONE_STATE,
                            //android.Manifest.permission.CALL_PHONE,  // 전화걸기 및 관리
                            //android.Manifest.permission.WRITE_CONTACTS, // 주소록 액세스 권한
                            android.Manifest.permission.READ_EXTERNAL_STORAGE,
                            android.Manifest.permission.WRITE_EXTERNAL_STORAGE // 기기, 사진, 미디어, 파일 엑세스 권한
                            //android.Manifest.permission.RECEIVE_SMS //, // 문자 수신
                            //android.Manifest.permission.CAMERA
                    })
                    .check();

        } else {
            initView();
        }
    }

    private void initView() {
        initData(); // 읽어온 데이터라고 가정하고 데이터 생성

        FloatingActionButton fab =  findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                saveExcel();
            }
        });
    }

    private void initData(){ // 엑셀에 저장여부만 확인 목적으로 간단하게 추가하는 코드로 작성
        aryName.add("강감찬"); aryAge.add("23");
        aryName.add("이순신"); aryAge.add("57");
        aryName.add("홍길동"); aryAge.add("34");
        aryName.add("이방원"); aryAge.add("53");
        aryName.add("고주몽"); aryAge.add("73");
        aryName.add("유관순"); aryAge.add("68");
    }

    private void saveExcel(){
        Workbook workbook = new HSSFWorkbook();
        Sheet sheet = workbook.createSheet(); // 새로운 시트 생성
        Row row = sheet.createRow(0); // 새로운 행 생성
        Cell cell;

        cell = row.createCell(0); // 1번 셀 생성
        cell.setCellValue("이름"); // 1번 셀 값 입력

        cell = row.createCell(1); // 2번 셀 생성
        cell.setCellValue("나이"); // 2번 셀 값 입력

        cell = row.createCell(2); // 3번 셀 생성
        cell.setCellValue("전화번호"); // 3번 셀 값 입력

        for(int i = 0; i < aryName.size() ; i++){ // 데이터 엑셀에 입력
            row = sheet.createRow(i+1);

            cell = row.createCell(0);
            cell.setCellValue(aryName.get(i));

            cell = row.createCell(1);
            cell.setCellValue(aryAge.get(i));
        }

        // 저장할 폴더 및 파일명
        File xlsPath = new File(Environment.getExternalStorageDirectory() + exportFolderName);
        if (! xlsPath.exists())
            xlsPath.mkdirs(); // 디렉토리가 없으면 생성
        xlsFile = new File(xlsPath, outputFileName);
        if (xlsFile.exists()) { // 기존 파일 존재시 삭제
            xlsFile.delete();
        }

        try{
            FileOutputStream os = new FileOutputStream(xlsFile);
            workbook.write(os); // 지정된 외부 저장소에 엑셀 파일 생성
        }catch (IOException e){
            e.printStackTrace();
        }
        Toast.makeText(getApplicationContext(),xlsFile.getAbsolutePath()+"에 저장되었습니다",Toast.LENGTH_SHORT).show();

        if (Build.VERSION.SDK_INT >= 24) { // Android Nougat ( 7.0 ) and later
            Uri uri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".fileprovider",xlsFile);
            Intent intent = new Intent(Intent.ACTION_SEND);
            intent.setDataAndType(uri, "application/excel");
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            intent.putExtra(Intent.EXTRA_STREAM,uri);
            startActivity(Intent.createChooser(intent,"엑셀 내보내기"));
        } else {
            Uri uri = Uri.fromFile(xlsFile);
            Intent intent = new Intent(Intent.ACTION_SEND);
            intent.setType("application/excel");
            intent.putExtra(Intent.EXTRA_STREAM,uri);
            startActivity(Intent.createChooser(intent,"엑셀 내보내기"));
        }

        // 미디어 스캐닝
        MediaScannerConnection.scanFile(getApplicationContext(), new String[]{xlsFile.getAbsolutePath()}, null, new MediaScannerConnection.OnScanCompletedListener() {
            @Override
            public void onScanCompleted(String s, Uri uri) {
            }
        });


    }

    private void NotConnected_showAlert() {
        AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
        builder.setTitle("네트워크 연결 오류");
        builder.setMessage("사용 가능한 무선네트워크가 없습니다.\n" + "먼저 무선네트워크 연결상태를 확인해 주세요.")
                .setCancelable(false)
                .setPositiveButton("확인", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {
                        finish(); // exit
                        //application 프로세스를 강제 종료
                        android.os.Process.killProcess(android.os.Process.myPid());
                    }
                });
        AlertDialog alert = builder.create();
        alert.show();
    }

    private boolean NetworkConnection() {
        int[] networkTypes = {ConnectivityManager.TYPE_MOBILE, ConnectivityManager.TYPE_WIFI};
        try {
            ConnectivityManager manager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
            for (int networkType : networkTypes) {
                NetworkInfo activeNetwork = manager.getActiveNetworkInfo();
                if (activeNetwork != null && activeNetwork.getType() == networkType) {
                    return true;
                }
            }
        } catch (Exception e) {
            return false;
        }
        return false;
    }

} 

 dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    implementation 'com.android.support:support-v4:27.1.1'
    implementation 'com.android.support:recyclerview-v7:27.1.1' // ListView 개선 버전
    implementation 'com.android.support:cardview-v7:27.1.1'
    implementation 'com.android.support:design:27.1.1'
    implementation 'gun0912.ted:tedpermission:2.0.0'
    implementation 'com.android.volley:volley:1.1.0'
    implementation 'com.github.bumptech.glide:glide:3.8.0' // 이미지 라이브러리
    implementation 'com.jjoe64:graphview:4.2.2' // 그래프 라이브러리
}

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

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="5"
        >
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="50dp"
            >
            <ImageView
                android:id="@+id/navibar_bg"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:src="@drawable/navibar_bg"
                android:adjustViewBounds="false"
                android:scaleType="fitXY"
                />

            <TextView
                android:id="@+id/navibar_text"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:gravity="center"
                android:textColor="@android:color/white"
                android:textSize="22dp"
                android:text="No Title"
                android:singleLine="true"
                />

            <Button
                android:id="@+id/back_btn"
                android:layout_width="30dp"
                android:layout_height="30dp"
                android:layout_centerVertical="true"
                android:layout_marginLeft="10dp"
                android:background="@drawable/btn_back_c" />

            <Button
                android:id="@+id/home_btn"
                android:layout_width="30dp"
                android:layout_height="30dp"
                android:layout_alignParentRight="true"
                android:layout_centerVertical="true"
                android:layout_marginRight="10dp"
                android:background="@drawable/btn_home_c" />

        </RelativeLayout>

        <com.jjoe64.graphview.GraphView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/graph" />

    </LinearLayout>

</LinearLayout>

import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.TextView;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.jjoe64.graphview.GraphView;
import com.jjoe64.graphview.ValueDependentColor;
import com.jjoe64.graphview.series.BarGraphSeries;
import com.jjoe64.graphview.series.DataPoint;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;

public class graphView extends AppCompatActivity implements View.OnClickListener  {
    Context context;

    // ArrayList 선언
    ArrayList<Integer> jsonList = new ArrayList<>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_graphview);
        context = this.getBaseContext();
        initView();
    }

    private void initView() {
        // button action...
        findViewById(R.id.back_btn).setOnClickListener(this);
        findViewById(R.id.home_btn).setOnClickListener(this);

        // title set
        TextView title = (TextView) this.findViewById(R.id.navibar_text); // title
        title.setText(getIntent().getExtras().getString("title"));

        DataVolley();
    }

    private void DataVolley() {
        // 1. RequestQueue 생성 및 초기화
        RequestQueue requestQueue = Volley.newRequestQueue(context);

        String url = "http://100.100.100.100/chart/data.json";

        // 2. Request Obejct인 StringRequest 생성
        StringRequest request = new StringRequest(Request.Method.GET, url,
                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response) {
                        //Log.d("result", "[" + response + "]");
                        showJSONList(response);
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        Log.d("error", "[" + error.getMessage() + "]");
                    }
                }) {

        };

        // 3) 생성한 StringRequest를 RequestQueue에 추가
        requestQueue.add(request);
    }

    private void showJSONList(String JSONdata) {

        try {
            JSONObject jsonObj = new JSONObject(JSONdata);
            JSONArray jsonArray = jsonObj.getJSONArray("content");
            for (int i = 0; i < jsonArray.length(); i++) {
                JSONObject c = jsonArray.getJSONObject(i);
                final String Sdate = c.getString("sysdate");
                final String Mdata = c.getString("mcount");
                //System.out.println(i + " mcount : " + Mdata);
                jsonList.add(Integer.parseInt(Mdata));
            }

        } catch (JSONException e) {
            e.printStackTrace();
        }

        // http://www.android-graphview.org/bar-chart/
        GraphView graph = (GraphView) findViewById(R.id.graph);
        BarGraphSeries<DataPoint> series = new BarGraphSeries<>(new DataPoint[] {
                new DataPoint(0, jsonList.get(0)),
                new DataPoint(1, jsonList.get(1)),
                new DataPoint(2, jsonList.get(2)),
                new DataPoint(3, jsonList.get(3)),
                new DataPoint(4, jsonList.get(4)),
                new DataPoint(5, jsonList.get(5)),
                new DataPoint(6, jsonList.get(6)),
                new DataPoint(7, jsonList.get(7))
        });
        graph.addSeries(series);

        // styling
        series.setValueDependentColor(new ValueDependentColor<DataPoint>() {
            @Override
            public int get(DataPoint data) {
                return Color.rgb((int) data.getX()*255/4, (int) Math.abs(data.getY()*255/6), 100);
            }
        });

        series.setSpacing(50);

        // draw values on top
        series.setDrawValuesOnTop(true);
        series.setValuesOnTopColor(Color.RED);
    }


    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.back_btn:
                finish();
                overridePendingTransition(R.anim.rightin, R.anim.rightout);
                break;
            case R.id.home_btn:
                Intent intent = new Intent(graphView.this, MainActivity.class);
                intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
                startActivity(intent);
                break;
            default:
                break;
        }
    }
}

<script>
var ctx = document.getElementById("myChart").getContext('2d');
var loadJSON = './graph.json'; // 서버에서 제공하는 데이터
$.getJSON(loadJSON, function(data){
    var names = new Array();
    var datas = new Array();
    $.each(data, function(i,item){
        names.push(item.name);
        datas.push(item.data);
    });
    console.log(names);
    console.log(datas);

    var myChart = new Chart(ctx, {
    type: 'bar',
    data: {
      labels: names, // JSON 파일을 읽어서 배열로 저장하여 처리
      datasets: [{
        label: '가입자수',
        data: datas, // JSON 파일을 읽어서 배열로 저장하여 처리
        backgroundColor: [
          'rgba(255, 99, 132, 0.2)',
          'rgba(54, 162, 235, 0.2)',
          'rgba(255, 206, 86, 0.2)',
          'rgba(75, 192, 192, 0.2)',
          'rgba(153, 102, 255, 0.2)',
          'rgba(153, 102, 255, 0.2)',
          'rgba(255, 159, 64, 0.2)'
        ],
        borderColor: [
          'rgba(255,99,132,1)',
          'rgba(54, 162, 235, 1)',
          'rgba(255, 206, 86, 1)',
          'rgba(75, 192, 192, 1)',
          'rgba(153, 102, 255, 1)',
          'rgba(153, 102, 255, 1)',
          'rgba(255, 159, 64, 1)'
        ],
        borderWidth: 1
      }]
    },
    options: {
      scales: {
        yAxes: [{
          ticks: {
            beginAtZero: true
          }
        }]
      }
    }
    });
});
</script> 

//

//  ViewController.m

//  AppView

//

//  Created by jsk005 on 2018. 12. 17..

//  Copyright © 2018년 mchello. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // UIView의 생성

    // [[객체타입 alloc]객체에 따른 생성 방법]

    // [[UIView alloc] initWithFrame:사각형]

    // [parent addSubView:child]; // 화면에 추가하기

    // [child removeFromSuperview]; // 화면에서 삭제하기

    // 화면에 보이는 것들의 기본 속성 : 사각형

    // CGRect

    // iOS 의 좌표계는 좌측 상단이 기준점이다.

    CGRect testRect = CGRectMake(10, 10, 100, 100); // x, y, width, height

    UIView *testView1 = [[UIView alloc] initWithFrame:testRect];

    testView1.backgroundColor = [UIColor redColor];

    [self.view addSubview:testView1];

    UIView *testView2 = [[UIView alloc] initWithFrame:CGRectMake(50, 150, 100, 100)];

    testView2.backgroundColor = [UIColor blueColor];

    [self.view addSubview:testView2];

    // 화면에 추가된 view 삭제하기

    //[testView1 removeFromSuperview];

    UIView *testView3 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 20, 30)];

    testView3.backgroundColor = [UIColor redColor];

    [testView2 addSubview:testView3]; // UIView 상에다가 추가하기

    // 화면에서 숨기기

    //testView1.hidden = YES;

    testView2.hidden = NO; // YES로 설정하면 testView3 도 같이 안보이게 된다.

    // 투명도

    testView1.alpha = 0.3; // alpha 0 와 hidden YES 는 같다.

    // hidden 은 fade in, fade out 효과를 줄 수 없다.

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end 

<!DOCTYPE html>

<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>

<script>
var weburl ='https://namu.wiki/w/KBO%20%EB%A6%AC%EA%B7%B8/2018%EB%85%84/%EC%8B%A0%EC%9D%
B8%EB%93%9C%EB%9E%98%ED%94%84%ED%8A%B8'
$.get(weburl, function( html ) {
    var data = new Array();
    // 찾으려는 className 을 반복적으로 찾는다.
    var heading = $(html).find('.wiki-heading').find("a:contains('3.2.')").text();
    //console.log(heading);
    var nextclass = $(html).find('.wiki-heading').find("a:contains('3.2.')").parent().next().find(".wiki-link-internal");
    $(html).find('.wiki-heading').find("a:contains('3.2.')").parent().next().find(".wiki-link-internal").each( function(){
        var text = $(this).parent().text();
        if(text !== 'kt' && text !== '삼성' && text !== '롯데' && text !== '한화' && text !== 'SK' && text !== 'KIA' && text !== 'LG' && text !== 'NC' && text !== '넥센' && text !== '두산') {
            //console.log(text);
            data.push(text);
        }
    });

    for(var i=0;i<data.length;i++){
        console.log(data[i]);
    }
});
</script>

</body>
</html>

크롬 브라우저 콘솔상에서 연습해보던 Javascript 코드

var data = document.querySelectorAll('.wiki-table-wrap .wiki-table .wiki-link-internal');
for(var i=0;i<data.length;i++){
    var t = data[i];
    t = t.innerText;
    console.log(t);
}

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

// 함수

/* 리턴값이 없고 매개변수도 없는 함수

 - (void) 함수명 {

   do something ...

 }

 */

// 함수 호출

// [self 함수명];

/*

 // 매겨변수는 있고 리턴값은 없는 함수

 - (return Type) 함수명 : (매개변수 타입) 매겨변수명1

   두번째 값에 대한 설명:(매개변수 타입) 매겨변수명2

 {

    return Type이 있으면 return returnValue;

    return Type이 없으면 즉, void 면 리턴이 없음.

 }

 */

- (void) sumFunction1 : (NSInteger) firstValue {

    NSLog(@"값 더하기 = %li", firstValue + 10);

}

- (void) sumFunction2 : (NSInteger) firstValue

      withValue:(NSInteger) secondValue

{

    NSLog(@"firsrtValue + secondValue = %li", firstValue + secondValue);

}

- (NSInteger) sumFunction3 : (NSInteger) firstValue

                  withValue:(NSInteger) secondValue

{

    NSInteger returnValue = firstValue + secondValue;

    return returnValue;

}

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    // 함수에서 원하는 매개변수의 타입과 내가 함수를 호출하면서 넣어주는 값의 타입을 맞춰야 한다.

    [self sumFunction1:30];

    [self sumFunction2:10 withValue:30];

    NSLog(@"리턴값이 있는 함수 결과 : %li", [self sumFunction3:10 withValue:30]);

    }

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end