google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', 'DL数');
       data.addColumn('number', 'Googleセルラン');
       data.addColumn('number', 'iOSセルラン');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
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['2021-03-28',608036,null,435,null,null],
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['2021-03-30',608115,null,775,null,null],
['2021-03-31',608156,null,null,null,null],
['2021-04-01',608167,null,null,null,null],
['2021-04-02',608183,null,855,null,null],
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['2021-04-04',608240,null,934,null,null],
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['2021-04-26',609335,null,547,null,null],
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['2021-04-29',609988,null,869,null,null],
['2021-04-30',609988,null,778,null,null],
['2021-05-01',610372,null,958,null,null],
['2021-05-02',610479,null,994,null,null],
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['2021-05-18',611185,null,null,null,null],
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['2021-05-21',611308,null,305,null,null],
['2021-05-22',611308,null,280,null,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    legend: {position: 'top' },
    vAxes:[
      {direction:1},
      {direction:-1,viewWindow:{min:0,max:900}}
    ],
    series: {
      0:{
        type: 'bars',
        color: 'skyblue',
        targetAxisIndex: 0,
      },
      1:{
        type: 'line',
        color: 'seagreen',                
        targetAxisIndex: 1,
      },
      2:{
        type: 'line',
        color: 'red',                
        targetAxisIndex: 1,
      },
    },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['#2980b9','#e74c3c']
  };
  var chart = new google.visualization.ComboChart(document.getElementById('graphField'));
  chart.draw(data, options);
  
  google.visualization.events.addListener(chart, 'click', function() {
    if(chart.getSelection()[0]){
      chart.setSelection(null)
    }
  });


});