【移动应用开发技术】android 柱状图（带动画的）

【移动应用开发技术】android柱状图（带动画的）

importjava.util.ArrayList;importandroid.content.Intent;importandroid.os.AsyncTask;importandroid.os.Bundle;importandroid.support.v7.app.ActionBarActivity;importandroid.view.View;importandroid.view.animation.AnimationUtils;importcom.github.mikephil.charting.charts.BarChart;importcom.github.mikephil.charting.data.BarData;importcom.github.mikephil.charting.data.BarDataSet;importcom.github.mikephil.charting.data.BarEntry;importcom.github.mikephil.charting.utils.ColorTemplate;importcom.github.mikephil.charting.utils.XLabels;importcom.github.mikephil.charting.utils.XLabels.XLabelPosition;publicclassMainActivityextendsActionBarActivity{privateBarChartmSaltChart;publicvoid

v){startActivity(newIntent(this,MainActivity.class));finish();overridePendingTransition(0,0);}@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mSaltChart=(BarChart)findViewById(R.id.chart_salt);initChart();initAnimotion();}privatevoidinitAnimotion(){mSaltChart.setAnimation(AnimationUtils.loadAnimation(this,R.anim.in_leftright));mSaltChart.setVisibility(View.VISIBLE);mSaltChart.animateY(1000);}privatevoidinitChart(){//TODOAuto-generatedmethodstub/***单位*/mSaltChart.setUnit("ml");/***横坐标*/mSaltChart.setDescription("盐量监控ml/h");/***柱状图数量*/mSaltChart.setMaxVisibleValueCount(12);/***设置图表中的值的位数*/mSaltChart.setValueDigits(2);/***3D效果*/mSaltChart.set3DEnabled(true);/***缩放只能在X和Y轴分别做*/mSaltChart.setPinchZoom(false);mSaltChart.setDrawBarShadow(false);mSaltChart.setDrawVerticalGrid(false);mSaltChart.setDrawHorizontalGrid(false);mSaltChart.setDrawGridBackground(false);XLabelsxLabels=mSaltChart.getXLabels();xLabels.setPosition(XLabelPosition.BOTTOM);xLabels.setCenterXLabelText(true);xLabels.setSpaceBetweenLabels(0);mSaltChart.setDrawYLabels(true);mSaltChart.setDrawLegend(false);mSaltChart.setDrawYValues(true);/***设置动画时间*/mSaltChart.animateY(1000);/***柱状图数据传入*/newchartTask().execute(50);}/***柱状图数据传入*/privateclasschartTaskextendsAsyncTask<Integer,Integer,BarData>{@OverrideprotectedvoidonPreExecute(){}@OverrideprotectedBarDatadoInBackground(Integer...arg0){//TODOAuto-generatedmethodstubArrayList<BarEntry>yVals1=newArrayList<BarEntry>();for(inti=0;i<12;i++){floatmult=(30+1);floatval1=(float)(Math.random()*mult)+mult/3;yVals1.add(newBarEntry((int)val1,i));}ArrayList<String>xVals=newArrayList<String>();for(inti=0;i<12;i++){xVals.add(i*2+"h");}/***设置颜色*/BarDataSetset1=newBarDataSet(yVals1,"DataSet");set1.setColors(ColorTemplate.createColors(MainActivity.this,ColorTemplate.VORDIPLOM_COLORS));ArrayList<BarDataSet>dataSets=newArrayList<BarDataSet>();dataSets.add(set1);BarDatadata=newBarData(xVals,dataSets);returndata;}@OverrideprotectedvoidonPostExecute(BarDataresu