由网友(-黑色铅笔的默剧)分享简介:我成功地用图表引擎显示的图表,但我患了如下问题:我无法减少图表的大小。图是在屏幕上移动,但我不希望出现这种情况。我想显示在屏幕的底部多一个图像,但这里图表显示在屏幕的中间。我只是想在上面和下面的图片显示的图表(如何设置页边距)。 请任何一个可以帮助提前me.Thanks。以下是我的code:公共类MainActiv...
我成功地用图表引擎显示的图表,但我患了如下问题:
我无法减少图表的大小。 图是在屏幕上移动,但我不希望出现这种情况。 我想显示在屏幕的底部多一个图像,但这里图表显示在屏幕的中间。我只是想在上面和下面的图片显示的图表(如何设置页边距)。请任何一个可以帮助提前me.Thanks。
以下是我的code:
公共类MainActivity延伸活动{
私有String [] mMonth =新的String [] {
简,月,月,月,月,君,
七月,月,月,月,月,月
};
@覆盖
公共无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
openChart();
}
私人无效openChart(){
双[]分布= {10,200,3,400,500,60};
串[] DIS = {10,200,13,400,500,60};
//颜色每个饼图节
INT []颜色= {Color.BLUE,Color.MAGENTA,Color.GREEN,Color.CYAN,Color.RED,
Color.YELLOW};
//实例化CategorySeries绘制饼图
CategorySeries distributionSeries =新CategorySeries(样本);
的for(int i = 0; I< distribution.length;我++){
//添加具有它的价值和命名切片饼图
distributionSeries.add(DIS [I]中,分配[I]);
}
//实例化渲染饼图
DefaultRenderer defaultRenderer =新DefaultRenderer();
的for(int i = 0; I< distribution.length;我++){
SimpleSeriesRenderer seriesRenderer =新SimpleSeriesRenderer();
seriesRenderer.setColor(颜色[I]);
seriesRenderer.setDisplayChartValues(真正的);
//添加渲染器片
defaultRenderer.setShowLegend(假);
defaultRenderer.addSeriesRenderer(seriesRenderer);
INT月[] = defaultRenderer.getMargins();
的System.out.println(MAR);
}
//创建一个意图情节线图使用的数据集和multipleRenderer
意向意图= ChartFactory.getPieChartIntent(getBaseContext(),distributionSeries,defaultRenderer,);
//开始活动
startActivity(意向);
}
@覆盖
公共布尔onCreateOptionsMenu(功能菜单){
。getMenuInflater()膨胀(R.menu.activity_main,菜单);
返回true;
}
}
解决方案
您可以通过设置页边距:
defaultRenderer.setMargins(利润);
您可以禁用平移是这样的:
defaultRenderer.setPanEnabled(假的,假的);
您可以创建一个图表中的观点,并将其嵌入您定义的布局一个活动里面,见this.
I am successfully displaying charts by using Chart Engine but I am suffering from below problems:
I am unable to reduce the Chart Size. Chart is moving on the screen but I don't want that. I want to display one more image in the bottom of the screen but here chart is displayed in the middle of the screen. I just want to display chart at the top and below image(How to set margins).Please any one can help me.Thanks in advance.
Following is my code:
public class MainActivity extends Activity {
private String[] mMonth = new String[] {
"Jan", "Feb" , "Mar", "Apr", "May", "Jun",
"Jul", "Aug" , "Sep", "Oct", "Nov", "Dec"
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
openChart();
}
private void openChart(){
double[] distribution = { 10,200,3,400,500,60} ;
String[] dis = { "10","200","13","400","500","60"} ;
// Color of each Pie Chart Sections
int[] colors = { Color.BLUE, Color.MAGENTA, Color.GREEN, Color.CYAN, Color.RED,
Color.YELLOW };
// Instantiating CategorySeries to plot Pie Chart
CategorySeries distributionSeries = new CategorySeries("Sample");
for(int i=0 ;i < distribution.length;i++){
// Adding a slice with its values and name to the Pie Chart
distributionSeries.add(dis[i],distribution[i]);
}
// Instantiating a renderer for the Pie Chart
DefaultRenderer defaultRenderer = new DefaultRenderer();
for(int i = 0 ;i<distribution.length;i++){
SimpleSeriesRenderer seriesRenderer = new SimpleSeriesRenderer();
seriesRenderer.setColor(colors[i]);
seriesRenderer.setDisplayChartValues(true);
// Adding a renderer for a slice
defaultRenderer.setShowLegend(false);
defaultRenderer.addSeriesRenderer(seriesRenderer);
int mar[]=defaultRenderer.getMargins();
System.out.println(mar);
}
// Creating an intent to plot bar chart using dataset and multipleRenderer
Intent intent = ChartFactory.getPieChartIntent(getBaseContext(), distributionSeries , defaultRenderer, "");
// Start Activity
startActivity(intent);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
解决方案
You can set the margins by using:
defaultRenderer.setMargins(margins);
You can disable panning this way:
defaultRenderer.setPanEnabled(false, false);
You can create a chart in a view and embed it inside an activity that you define the layout for, see this.
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