创建于Android的图表 [英] Creation on Charts in Android
本文介绍了创建于Android的图表的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我试图创造Android.I线图已经使用的 achartengine-1.1.0.jar 。但是当我试图启动图表没有显示,请您及时的帮助。
这里是code。
MainActivity.java
包com.example.linecharts; 进口org.achartengine.ChartFactory;
进口org.achartengine.chart.PointStyle;
进口org.achartengine.model.XYMultipleSeriesDataset;
进口org.achartengine.model.XYSeries;
进口org.achartengine.renderer.XYMultipleSeriesRenderer;
进口org.achartengine.renderer.XYSeriesRenderer; 进口android.graphics.Color;
进口android.os.Bundle;
进口android.support.v4.app.Fragment;
进口android.support.v7.app.ActionBarActivity;
进口android.view.LayoutInflater;
进口android.view.Menu;
进口android.view.MenuItem;
进口android.view.View;
进口android.view.ViewGroup;
进口android.widget.LinearLayout; 公共类MainActivity扩展ActionBarActivity { 私人查看mChart; 私有String [] = mMonth新的String [] {
月,月,月,月,月,君,
七月,月,月,月,月,月
}; @覆盖
保护无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.activity_main);
openChart();
} 私人无效openChart()
{
INT [] X = {1,2,3,4,5};
INT [] =收入{2000,2500,2700,3000,2800,3500,3700,3800};
INT []费用= {2200,2700,2900,2800,2600,3000,3300,3400}; //创建收入的XYSeries
XYSeries incomeSeries =新XYSeries(收入);
//创建了一个费用XYSeries
XYSeries expenseSeries =新XYSeries(费用);
//将数据添加到收入和支出系列
的for(int i = 0; I< x.length;我++)
{
incomeSeries.add(X [I]中,所得[I]);
expenseSeries.add(X [I]中,费用由[i]);
} //创建一个数据集来保存每个系列
XYMultipleSeriesDataset数据=新XYMultipleSeriesDataset();
//增加收入系列的数据集
dataset.addSeries(incomeSeries);
//添加费用为系列数据
dataset.addSeries(expenseSeries); //创建XYSeriesRenderer定制incomeSeries
XYSeriesRenderer incomeRenderer =新XYSeriesRenderer();
incomeRenderer.setColor(Color.WHITE);
incomeRenderer.setPointStyle(PointStyle.CIRCLE);
incomeRenderer.setFillPoints(真);
incomeRenderer.setLineWidth(2);
incomeRenderer.setDisplayChartValues(真); //创建XYSeriesRenderer定制expenseSeries
XYSeriesRenderer expenseRenderer =新XYSeriesRenderer();
expenseRenderer.setColor(Color.YELLOW);
expenseRenderer.setPointStyle(PointStyle.CIRCLE);
expenseRenderer.setFillPoints(真);
expenseRenderer.setLineWidth(2);
expenseRenderer.setDisplayChartValues(真); //创建一个XYMultipleSeriesRenderer自定义整个图表
XYMultipleSeriesRenderer multiRenderer =新XYMultipleSeriesRenderer();
multiRenderer.setXLabels(0);
multiRenderer.setChartTitle(收入与费用表);
multiRenderer.setXTitle(2012年);
multiRenderer.setYTitle(金额元);
multiRenderer.setZoomButtonsVisible(真);
的for(int i = 0; I< x.length;我++)
{
multiRenderer.addXTextLabel第(i + 1,mMonth [I]);
} //添加incomeRenderer和expenseRenderer到multipleRenderer
//注意:添加到dataseries数据集渲染器multipleRenderer的顺序
//应该是相同的
multiRenderer.addSeriesRenderer(incomeRenderer);
multiRenderer.addSeriesRenderer(expenseRenderer); //前往在MainActivity布局的LinearLayout参考
的LinearLayout chartContainer =(的LinearLayout)findViewById(R.id.chart_container); //创建一个折线图
mChart = ChartFactory.getLineChartView(getBaseContext(),数据集,multiRenderer); //添加折线图到的LinearLayout
chartContainer.addView(mChart);
} @覆盖
公共布尔onCreateOptionsMenu(菜单菜单){ //充气菜单;如果是present这增加了项目操作栏。
。getMenuInflater()膨胀(R.menu.main,菜单);
返回true;
} @覆盖
公共布尔onOptionsItemSelected(菜单项项){
//处理动作栏项目点击这里。操作栏会
//自动处理上点击主页/向上按钮,只要
//你在AndroidManifest.xml中指定一个父活动。
INT ID = item.getItemId();
如果(ID == R.id.action_settings){
返回true;
}
返回super.onOptionsItemSelected(项目);
} / **
*包含一个简单视图中的占位符片段。
* /
公共静态类PlaceholderFragment扩展片段{ 公共PlaceholderFragment(){
} @覆盖
公共查看onCreateView(LayoutInflater充气器,容器的ViewGroup,
捆绑savedInstanceState){
查看rootView = inflater.inflate(R.layout.activity_main,集装箱,
假);
返回rootView;
}
} }
activity_main.xml中
<的RelativeLayout的xmlns:机器人=http://schemas.android.com/apk/res/android
的xmlns:工具=http://schemas.android.com/tools
机器人:layout_width =match_parent
机器人:layout_height =match_parent
机器人:paddingBottom会=@扪/ activity_vertical_margin
机器人:paddingLeft =@扪/ activity_horizontal_margin
机器人:paddingRight =@扪/ activity_horizontal_margin
机器人:paddingTop =@扪/ activity_vertical_margin
工具:上下文=$ com.example.linecharts.MainActivity PlaceholderFragment> <的TextView
机器人:ID =@ + ID / tv_title
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:文字=@字符串/ str_tv_title
机器人:重力=CENTER_HORIZONTAL/>
<的LinearLayout
机器人:ID =@ + ID / chart_container
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_below =@ ID / tv_title
机器人:方向=横向>
< / LinearLayout中>
< / RelativeLayout的>
ManifestFile.xml
<?XML版本=1.0编码=UTF-8&GT?;
<清单的xmlns:机器人=http://schemas.android.com/apk/res/android
包=com.example.linecharts
安卓版code =1
机器人:=的versionName1.0> <用途-SDK
安卓的minSdkVersion =8
机器人:targetSdkVersion =19/> <应用
机器人:allowBackup =真
机器人:图标=@绘制/ ic_launcher
机器人:标签=@字符串/ APP_NAME
机器人:主题=@风格/ AppTheme>
<活动
机器人:名字=com.example.linecharts.MainActivity
机器人:标签=@字符串/ APP_NAME>
&所述;意图滤光器>
<作用机器人:名字=android.intent.action.MAIN/> <类机器人:名字=android.intent.category.LAUNCHER/>
&所述; /意图滤光器>
< /活性GT;
< /用途>< /清单>
LogCat中文件
06-16 00:31:12.640:E / AndroidRuntime(1282):致命异常:主要
06-16 00:31:12.640:E / AndroidRuntime(1282):工艺:com.example.linecharts,PID:1282
06-16 00:31:12.640:E / AndroidRuntime(1282):了java.lang.RuntimeException:无法启动活动ComponentInfo {com.example.linecharts / com.example.linecharts.MainActivity}:java.lang.IllegalStateException:您需要使用Theme.AppCompat主题(或后代)与本次活动。
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.app.ActivityThread.access $ 800(ActivityThread.java:135)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1196)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.os.Handler.dispatchMessage(Handler.java:102)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.os.Looper.loop(Looper.java:136)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.app.ActivityThread.main(ActivityThread.java:5017)
06-16 00:31:12.640:E / AndroidRuntime(1282):在java.lang.reflect.Method.invokeNative(本机方法)
06-16 00:31:12.640:E / AndroidRuntime(1282):在java.lang.reflect.Method.invoke(Method.java:515)
06-16 00:31:12.640:E / AndroidRuntime(1282):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:779)
06-16 00:31:12.640:E / AndroidRuntime(1282):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
06-16 00:31:12.640:E / AndroidRuntime(1282):在dalvik.system.NativeStart.main(本机方法)
06-16 00:31:12.640:E / AndroidRuntime(1282):java.lang.IllegalStateException:产生的原因,您需要使用Theme.AppCompat主题(或后代)与本次活动。
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.support.v7.app.ActionBarActivityDelegate.onCreate(ActionBarActivityDelegate.java:111)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.support.v7.app.ActionBarActivityDelegateICS.onCreate(ActionBarActivityDelegateICS.java:58)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.support.v7.app.ActionBarActivity.onCreate(ActionBarActivity.java:98)
06-16 00:31:12.640:E / AndroidRuntime(1282):在com.example.linecharts.MainActivity.onCreate(MainActivity.java:32)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.app.Activity.performCreate(Activity.java:5231)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
06-16 00:31:12.640:E / AndroidRuntime(1282):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
06-16 00:31:12.640:E / AndroidRuntime(1282):11 ...更多
解决方案
随着你的logcat显示你正在使用的ActionBar从支持库。由于这种在你的的AndroidManifest.xml
使用安卓主题=@风格/ Theme.AppCompat
在应用标签
I am trying to create a line chart in Android.I have used achartengine-1.1.0.jar.But When I am trying to Launch the chart is not displayed .Please Help. Here is the code.
MainActivity.java
package com.example.linecharts;
import org.achartengine.ChartFactory;
import org.achartengine.chart.PointStyle;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.model.XYSeries;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
public class MainActivity extends ActionBarActivity {
private View mChart;
private String[] mMonth = new String[] {
"Jan", "Feb" , "Mar", "Apr", "May", "Jun",
"Jul", "Aug" , "Sep", "Oct", "Nov", "Dec"
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
openChart();
}
private void openChart()
{
int[] x = { 1,2,3,4,5,6,7,8 };
int[] income = { 2000,2500,2700,3000,2800,3500,3700,3800};
int[] expense = {2200, 2700, 2900, 2800, 2600, 3000, 3300, 3400 };
// Creating an XYSeries for Income
XYSeries incomeSeries = new XYSeries("Income");
// Creating an XYSeries for Expense
XYSeries expenseSeries = new XYSeries("Expense");
// Adding data to Income and Expense Series
for(int i=0;i<x.length;i++)
{
incomeSeries.add(x[i], income[i]);
expenseSeries.add(x[i],expense[i]);
}
// Creating a dataset to hold each series
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
// Adding Income Series to the dataset
dataset.addSeries(incomeSeries);
// Adding Expense Series to dataset
dataset.addSeries(expenseSeries);
// Creating XYSeriesRenderer to customize incomeSeries
XYSeriesRenderer incomeRenderer = new XYSeriesRenderer();
incomeRenderer.setColor(Color.WHITE);
incomeRenderer.setPointStyle(PointStyle.CIRCLE);
incomeRenderer.setFillPoints(true);
incomeRenderer.setLineWidth(2);
incomeRenderer.setDisplayChartValues(true);
// Creating XYSeriesRenderer to customize expenseSeries
XYSeriesRenderer expenseRenderer = new XYSeriesRenderer();
expenseRenderer.setColor(Color.YELLOW);
expenseRenderer.setPointStyle(PointStyle.CIRCLE);
expenseRenderer.setFillPoints(true);
expenseRenderer.setLineWidth(2);
expenseRenderer.setDisplayChartValues(true);
// Creating a XYMultipleSeriesRenderer to customize the whole chart
XYMultipleSeriesRenderer multiRenderer = new XYMultipleSeriesRenderer();
multiRenderer.setXLabels(0);
multiRenderer.setChartTitle("Income vs Expense Chart");
multiRenderer.setXTitle("Year 2012");
multiRenderer.setYTitle("Amount in Dollars");
multiRenderer.setZoomButtonsVisible(true);
for(int i=0;i<x.length;i++)
{
multiRenderer.addXTextLabel(i+1, mMonth[i]);
}
// Adding incomeRenderer and expenseRenderer to multipleRenderer
// Note: The order of adding dataseries to dataset and renderers to multipleRenderer
// should be same
multiRenderer.addSeriesRenderer(incomeRenderer);
multiRenderer.addSeriesRenderer(expenseRenderer);
// Getting a reference to LinearLayout of the MainActivity Layout
LinearLayout chartContainer = (LinearLayout) findViewById(R.id.chart_container);
// Creating a Line Chart
mChart = ChartFactory.getLineChartView(getBaseContext(), dataset, multiRenderer);
// Adding the Line Chart to the LinearLayout
chartContainer.addView(mChart);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_main, container,
false);
return rootView;
}
}
}
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.linecharts.MainActivity$PlaceholderFragment">
<TextView
android:id="@+id/tv_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/str_tv_title"
android:gravity="center_horizontal" />
<LinearLayout
android:id="@+id/chart_container"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/tv_title"
android:orientation="horizontal" >
</LinearLayout>
</RelativeLayout>
ManifestFile.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.linecharts"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="19" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.linecharts.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
LogCat file
06-16 00:31:12.640: E/AndroidRuntime(1282): FATAL EXCEPTION: main
06-16 00:31:12.640: E/AndroidRuntime(1282): Process: com.example.linecharts, PID: 1282
06-16 00:31:12.640: E/AndroidRuntime(1282): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.linecharts/com.example.linecharts.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.app.ActivityThread.access$800(ActivityThread.java:135)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.os.Handler.dispatchMessage(Handler.java:102)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.os.Looper.loop(Looper.java:136)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.app.ActivityThread.main(ActivityThread.java:5017)
06-16 00:31:12.640: E/AndroidRuntime(1282): at java.lang.reflect.Method.invokeNative(Native Method)
06-16 00:31:12.640: E/AndroidRuntime(1282): at java.lang.reflect.Method.invoke(Method.java:515)
06-16 00:31:12.640: E/AndroidRuntime(1282): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
06-16 00:31:12.640: E/AndroidRuntime(1282): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
06-16 00:31:12.640: E/AndroidRuntime(1282): at dalvik.system.NativeStart.main(Native Method)
06-16 00:31:12.640: E/AndroidRuntime(1282): Caused by: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.support.v7.app.ActionBarActivityDelegate.onCreate(ActionBarActivityDelegate.java:111)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.support.v7.app.ActionBarActivityDelegateICS.onCreate(ActionBarActivityDelegateICS.java:58)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.support.v7.app.ActionBarActivity.onCreate(ActionBarActivity.java:98)
06-16 00:31:12.640: E/AndroidRuntime(1282): at com.example.linecharts.MainActivity.onCreate(MainActivity.java:32)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.app.Activity.performCreate(Activity.java:5231)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
06-16 00:31:12.640: E/AndroidRuntime(1282): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
06-16 00:31:12.640: E/AndroidRuntime(1282): ... 11 more
解决方案
As your Logcat shows you are using Actionbar from support library. Due to this In your AndroidManifest.xml
use android:theme="@style/Theme.AppCompat"
in Application Tag.
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