'안드로이드/Android Graph'에 해당되는 글 4건

 <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;

        }

    }

} 

 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;
        }
    }
}