lecho.lib.hellocharts.gesture.ContainerScrollType Java Examples

/**
* 初始化视图
* */
protected void initView(LineChartView lineChartView) {
    pointValueList = new ArrayList<>();
    linesList = new ArrayList<>();
    //初始化坐标轴
    axisY = new Axis();
    axisX = new Axis();
    lineChartData = initData(null);
    lineChartView.setLineChartData(lineChartData);
    Viewport port = initViewPort(0, 50,150);
    lineChartView.setCurrentViewportWithAnimation(port);
    lineChartView.setInteractive(false);
    lineChartView.setScrollEnabled(true);
    lineChartView.setValueTouchEnabled(true);
    lineChartView.setFocusableInTouchMode(true);
    lineChartView.setViewportCalculationEnabled(false);
    lineChartView.setContainerScrollEnabled(true, ContainerScrollType.HORIZONTAL);
    lineChartView.startDataAnimation();
    points = new ArrayList<>();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_basal_profile_editor);
    JoH.fixActionBar(this);
    //  getSupportActionBar().setCustomView(R.layout.custom_action_bar_title);
    //  getSupportActionBar().setDisplayShowCustomEnabled(true);

    chart = (ColumnChartView) findViewById(R.id.basalChart);
    basalSelectSpinner = findViewById(R.id.basalProfileSpinner);
    basalStepSpinner = findViewById(R.id.basalStepSpinner);
    setValue = (EditText) findViewById(R.id.basalSetText);
    setButton = (Button) findViewById(R.id.basalSetButton);
    plusButton = (Button) findViewById(R.id.basalPlusButton);
    minusButton = (Button) findViewById(R.id.basalMinusButton);

    chart.setDataAnimationListener(this);
    chart.setOnValueTouchListener(new ValueTouchListener());
    chart.setColumnChartData(BasalChart.columnData());

    autoSetViewPort(true);
    refreshScreenElements();
    chart.setZoomType(ZoomType.HORIZONTAL);
    chart.setContainerScrollEnabled(true, ContainerScrollType.HORIZONTAL);
    //chart.setZoomLevel(0,0,1);
    chart.setMaxZoom(4f);
    chart.setZoomLevel(getNewMaxViewport().centerX(), getNewMaxViewport().centerY(), 1f);
    chart.setTapZoomEnabled(false);

    populateBasalStepSpinner();

}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_basal_profile_editor);
    JoH.fixActionBar(this);
    //  getSupportActionBar().setCustomView(R.layout.custom_action_bar_title);
    //  getSupportActionBar().setDisplayShowCustomEnabled(true);

    chart = (ColumnChartView) findViewById(R.id.basalChart);
    basalSelectSpinner = findViewById(R.id.basalProfileSpinner);
    basalStepSpinner = findViewById(R.id.basalStepSpinner);
    setValue = (EditText) findViewById(R.id.basalSetText);
    setButton = (Button) findViewById(R.id.basalSetButton);
    plusButton = (Button) findViewById(R.id.basalPlusButton);
    minusButton = (Button) findViewById(R.id.basalMinusButton);

    chart.setDataAnimationListener(this);
    chart.setOnValueTouchListener(new ValueTouchListener());
    chart.setColumnChartData(BasalChart.columnData());

    autoSetViewPort(true);
    refreshScreenElements();
    chart.setZoomType(ZoomType.HORIZONTAL);
    chart.setContainerScrollEnabled(true, ContainerScrollType.HORIZONTAL);
    //chart.setZoomLevel(0,0,1);
    chart.setMaxZoom(4f);
    chart.setZoomLevel(getNewMaxViewport().centerX(), getNewMaxViewport().centerY(), 1f);
    chart.setTapZoomEnabled(false);

    populateBasalStepSpinner();

}
 

private void initLineChart() {
        Line line = new Line(mPointValues).setColor(Color.parseColor("#FFFAFA"));  //折线的颜色（橙色）
        List<Line> lines = new ArrayList<>();
        line.setShape(ValueShape.CIRCLE);//折线图上每个数据点的形状  这里是圆形 （有三种 ：ValueShape.SQUARE  ValueShape.CIRCLE  ValueShape.DIAMOND）
        line.setCubic(false);//曲线是否平滑，即是曲线还是折线
        line.setFilled(false);//是否填充曲线的面积
        line.setHasLabels(true);//曲线的数据坐标是否加上备注
//      line.setHasLabelsOnlyForSelected(true);//点击数据坐标提示数据（设置了这个line.setHasLabels(true);就无效）
        line.setHasLines(true);//是否用线显示。如果为false 则没有曲线只有点显示
        line.setHasPoints(true);//是否显示圆点 如果为false 则没有原点只有点显示（每个数据点都是个大的圆点）
        lines.add(line);
        LineChartData data = new LineChartData();
        data.setLines(lines);

        //坐标轴
        Axis axisX = new Axis(); //X轴
        axisX.setHasTiltedLabels(true);  //X坐标轴字体是斜的显示还是直的，true是斜的显示
        axisX.setTextColor(Color.WHITE);  //设置字体颜色
        //axisX.setName("date");  //表格名称
        axisX.setTextSize(10);//设置字体大小
        axisX.setMaxLabelChars(8); //最多几个X轴坐标，意思就是你的缩放让X轴上数据的个数7<=x<=mAxisXValues.length
        axisX.setValues(mAxisXValues);  //填充X轴的坐标名称
        data.setAxisXBottom(axisX); //x 轴在底部
        //data.setAxisXTop(axisX);  //x 轴在顶部
        axisX.setHasLines(true); //x 轴分割线

        // Y轴是根据数据的大小自动设置Y轴上限(在下面我会给出固定Y轴数据个数的解决方案)
        Axis axisY = new Axis();

        axisY.setName("");//y轴标注
        // axisY.setTextSize(10);//设置字体大小
        axisY.setTextColor(Color.parseColor("#ffffff"));
        data.setAxisYLeft(axisY);  //Y轴设置在左边
        //data.setAxisYRight(axisY);  //y轴设置在右边


        //设置行为属性，支持缩放、滑动以及平移
        lineChart.setInteractive(true);
        lineChart.setZoomType(ZoomType.HORIZONTAL);
        lineChart.setMaxZoom((float) 2);//最大方法比例
        lineChart.setContainerScrollEnabled(true, ContainerScrollType.HORIZONTAL);
        lineChart.setLineChartData(data);
        lineChart.setVisibility(View.VISIBLE);
        /**注：下面的7，10只是代表一个数字去类比而已
         * 当时是为了解决X轴固定数据个数。见（http://forum.xda-developers.com/tools/programming/library-hellocharts-charting-library-t2904456/page2）;
         */
//        Viewport v = new Viewport(lineChart.getMaximumViewport());
//        v.left = 0;
//        v.right= 7;
//        lineChart.setCurrentViewport(v);
    }
 

@Override
public void setContainerScrollEnabled(boolean isContainerScrollEnabled, ContainerScrollType containerScrollType) {
    this.isContainerScrollEnabled = isContainerScrollEnabled;
    this.containerScrollType = containerScrollType;
}
 

/**
 * Set isContainerScrollEnabled to true and containerScrollType to HORIZONTAL or VERTICAL if you are using chart
 * within scroll container.
 */
public void setContainerScrollEnabled(boolean isContainerScrollEnabled, ContainerScrollType containerScrollType);