com.jjoe64.graphview_demos.fragments.AddSeriesAtRuntime.java Source code

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Here is the source code for com.jjoe64.graphview_demos.fragments.AddSeriesAtRuntime.java

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/**
 * This file is licensed under MIT
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2014 Jonas Gehring
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.jjoe64.graphview_demos.fragments;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;

import com.jjoe64.graphview.GraphView;
import com.jjoe64.graphview.LegendRenderer;
import com.jjoe64.graphview.series.DataPoint;
import com.jjoe64.graphview.series.LineGraphSeries;
import com.jjoe64.graphview_demos.MainActivity;
import com.jjoe64.graphview_demos.R;

import java.util.Random;

/**
 * Created by jonas on 26.11.14.
 */
public class AddSeriesAtRuntime extends Fragment {
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final View rootView = inflater.inflate(R.layout.fragment_main_w_button, container, false);

        Button btn = (Button) rootView.findViewById(R.id.button);
        btn.setText("Add series");
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                GraphView graph = (GraphView) rootView.findViewById(R.id.graph);
                graph.addSeries(new LineGraphSeries(generateData()));
            }

        });

        btn = (Button) rootView.findViewById(R.id.button2);
        btn.setText("Remove all series");
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                GraphView graph = (GraphView) rootView.findViewById(R.id.graph);
                graph.removeAllSeries();
            }
        });
        return rootView;
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        ((MainActivity) activity).onSectionAttached(getArguments().getInt(MainActivity.ARG_SECTION_NUMBER));
    }

    private DataPoint[] generateData() {
        Random rand = new Random();
        int count = 30;
        DataPoint[] values = new DataPoint[count];
        for (int i = 0; i < count; i++) {
            double x = i;
            double f = rand.nextDouble() * 0.15 + 0.3;
            double y = Math.sin(i * f + 2) + rand.nextDouble() * 0.3;
            DataPoint v = new DataPoint(x, y);
            values[i] = v;
        }
        return values;
    }
}