ArcGISRuntimeforAndroid开发教程V2.0（7）基础篇空间要素可视化2

Polygon poly &＃61; new Polygon()&＃xff1b;//创建多边形对象
poly.startPath(new Point(0,0));//添加初始点
poly.lineto(new Point(10,0));
poly.lineto(new Point(10,10));
poly.lineto(new Point(0,0));//多边形是闭合的因此最后我们还要添加初始点的位置
SimpleFillSymbol sfs &＃61; new SimpleFillSymbol(Color.RED);//面样式对象
sfs.setAlpha(50);//设置透明度
Graphic gp &＃61; new Graphic(poly,sfs);
graphicsLayer.addGraphic(gp);添加到图层中

Polyline poly &＃61; new Polyline ()&＃xff1b;//创建多边形对象
poly.startPath(new Point(0,0));//添加初始点
poly.lineto(new Point(10,0));
poly.lineto(new Point(10,10));
SimpleLineSymbol sls &＃61; new SimpleLineSymbol(Color.RED,25, SimpleLineSymbol.SOLID);//线样式对象
sfs.setAlpha(50);//设置透明度
Graphic gp &＃61; new Graphic(poly, sls);
graphicsLayer.addGraphic(gp);添加到图层中

Point point &＃61; new Point();//创建点对象
Point.setX(114);//设置x坐标
Point.setY(32);//设置y坐标
//设置点样式的颜色&＃xff0c;大小和点类型
SimpleMarkerSymbol sms &＃61; new SimpleMarkerSymbol(Color.RED,25,STYLE.CIRCLE)
Graphic gp &＃61; new Graphic(point,sms);
graphicsLayer.addGraphic(gp);//添加到图层中显示

Point point &＃61; new Point();//创建点对象
Point.setX(114);//设置x坐标
Point.setY(32);//设置y坐标
//设置点样式的颜色&＃xff0c;大小和文本内容
TextSymbol ts &＃61; new TextSymbol (12,”点样式”,Color.RED);
Graphic gp &＃61; new Graphic(point,ts);
graphicsLayer.addGraphic(gp);//添加到图层中显示

SimpleRenderer renderer &＃61; new SimpleRenderer(new SimpleMarkerSymbol(Color.RED,25,STYLE.CIRCLE));
graphicsLayer.setRenderer(renderer);//为图层设置渲染

ClassBreaksRenderer renderer &＃61; new ClassBreaksRenderer();
renderer.setMinValue(0.0);//设置最小值
renderer.setField("POP07_SQMI");//渲染依附的字段
ClassBreak cb1 &＃61; new ClassBreak();//定义第一段渲染范围和样式
cb1.setClassMaxValue(25);
cb1.setSymbol(new SimpleFillSymbol(Color.argb(128, 56, 168, 0)));
cb1.setLabel("First class");ClassBreak cb2 &＃61; new ClassBreak();//定义第二段渲染范围和样式cb2.setClassMaxValue(75);
cb2.setSymbol(new SimpleFillSymbol(Color.argb(128, 139, 209, 0)));
cb2.setLabel("Second class");ClassBreak cb3 &＃61; new ClassBreak();//定义第三段渲染范围和样式
cb5.setClassMaxValue(Double.MAX_VALUE);
cb5.setSymbol(new SimpleFillSymbol(Color.argb(128, 255, 0, 0)));renderer.addClassBreak(cb1);
renderer.addClassBreak(cb2);
renderer.addClassBreak(cb3);graphicsLayer.setRenderer(renderer);//为图层设置渲染

UniqueValueRenderer uvr &＃61; new UniqueValueRenderer();
uvr.setField("TYPE");
UniqueValue uv1 &＃61; new UniqueValue();
uv.setValue(new String[]{"Residential"});
uv. setSymbol(new SimpleFillSymbol(Color.argb(128, 255, 100, 0)));UniqueValue uv2 &＃61; new UniqueValue();
uv.setValue(new String[]{"Industrial"});
uv. setSymbol(new SimpleFillSymbol(Color.argb(128, 255, 200, 0)));UniqueValue uv3 &＃61; new UniqueValue();
uv.setValue(new String[]{"Commercial"});
uv. setSymbol(new SimpleFillSymbol(Color.argb(128, 255, 150, 0)));uvr.addUniqueValue(uv1);
uvr.addUniqueValue(uv2);
uvr.addUniqueValue(uv3);
graphicsLayer.setRenderer(uvr);//为图层设置渲染