/**     * 读取Geodatabase中离线地图信息     * @param geodatabsePath 离线Geodatabase文件路径     */    private void addFeatureLayer(String geodatabsePath) {        Geodatabase localGdb = null;        try {            localGdb = new Geodatabase(geodatabsePath);        } catch (FileNotFoundException e) {            e.printStackTrace();        }        layerList = new ArrayList<>();        // 添加FeatureLayer到MapView中        if (localGdb != null) {            for (GeodatabaseFeatureTable gdbFeatureTable : localGdb.getGeodatabaseTables()) {                if (gdbFeatureTable.hasGeometry()){                    FeatureLayer layer = new FeatureLayer(gdbFeatureTable);                    mMapView.addLayer(layer);                }            }        }    }

   /**     * 添加要素绘制样式模板     * 获取图层要素模板并添加到featureTempleteView     * @param layer     */    private void addFeatureTemplate(FeatureLayer layer) {        List<FeatureTemplate> featureTemp = ((GeodatabaseFeatureTable) layer.getFeatureTable()).getFeatureTemplates();        for (FeatureTemplate featureTemplate : featureTemp) {            GeodatabaseFeature g = null;            try {                g = ((GeodatabaseFeatureTable) layer.getFeatureTable()).createFeatureWithTemplate(featureTemplate, null);                Renderer renderer = layer.getRenderer();                Symbol symbol = renderer.getSymbol(g);                float scale = context.getResources().getDisplayMetrics().density;                int widthInPixels = (int) (35 * scale + 0.5f);                Bitmap bitmap = SymbolHelper.getLegendImage(symbol, widthInPixels, widthInPixels);                //将要素样式模板赋值给imgButton                ImageButton imageButton = new ImageButton(context);                imageButton.setImageBitmap(bitmap);                imageButton.setTag(layer);//保存当前待编辑图层                ((LinearLayout)featureTempleteView).addView(imageButton);//添加到要素样式模板列表                imageButton.setOnClickListener(new ImageButtonOnClickListener());            } catch (TableException e) {                e.printStackTrace();                Toast.makeText(MainActivity.this, "Error：" + e.getLocalizedMessage(), Toast.LENGTH_SHORT).show();            }        }    }

<?xml version="1.0" encoding="utf-8"?><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"    tools:context="com.example.editgdb.MainActivity">    <!-- MapView -->    <com.esri.android.map.MapView        android:id="@+id/map"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        mapoptions.MapType="Topo"        mapoptions.ZoomLevel="5"        mapoptions.center="28.671298, 104.066404" />    <RelativeLayout        android:layout_width="wrap_content"        android:layout_height="match_parent"        android:alpha="0.9" >        <LinearLayout            android:orientation="horizontal"            android:layout_width="wrap_content"            android:layout_height="match_parent">            <ScrollView                android:layout_width="wrap_content"                android:layout_height="match_parent"                android:id="@+id/scrollView2"                android:padding="10dp"                android:layout_alignParentTop="true"                android:layout_alignParentLeft="true"                android:layout_alignParentStart="true"                android:background="@color/accent_material_light">                <LinearLayout                    android:orientation="vertical"                    android:layout_width="match_parent"                    android:layout_height="wrap_content"                    android:id="@+id/featureTempleteView">                    <TextView                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:textAppearance="?android:attr/textAppearanceMedium"                        android:text="要素绘制"                        android:id="@+id/textView3"                        android:layout_marginBottom="10dp" />                </LinearLayout>            </ScrollView>            <HorizontalScrollView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:id="@+id/horizontalScrollView" >                <LinearLayout                    android:orientation="horizontal"                    android:layout_width="match_parent"                    android:layout_height="wrap_content"                    android:padding="5dp">                    <Button                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:text="开始编辑"                        android:id="@+id/btnStartEdit"                        android:layout_alignParentBottom="true"                        android:layout_alignParentLeft="true"                        android:layout_alignParentStart="true" />                    <Button                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:text="删除节点"                        android:id="@+id/btnDeleteNode"                        android:layout_alignParentBottom="true"                        android:layout_alignParentLeft="true"                        android:layout_alignParentStart="true" />                    <Button                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:text="回退"                        android:id="@+id/btnGoBack"                        android:layout_alignParentBottom="true"                        android:layout_alignParentLeft="true"                        android:layout_alignParentStart="true" />                    <Button                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:text="保存"                        android:id="@+id/btnSave"                        android:layout_alignParentBottom="true"                        android:layout_alignParentLeft="true"                        android:layout_alignParentStart="true" />                    <Button                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:text="清除"                        android:id="@+id/btnClear"                        android:layout_alignParentBottom="true"                        android:layout_alignParentLeft="true"                        android:layout_alignParentStart="true" />                    <Button                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:text="删除要素"                        android:id="@+id/btnDelete"                        android:layout_alignParentBottom="true"                        android:layout_alignParentLeft="true"                        android:layout_alignParentStart="true" />                </LinearLayout>            </HorizontalScrollView>        </LinearLayout>    </RelativeLayout></RelativeLayout>

package com.example.editgdb;import android.content.Context;import android.content.DialogInterface;import android.graphics.Bitmap;import android.graphics.Color;import android.os.Environment;import android.support.v7.app.AlertDialog;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.Log;import android.view.MotionEvent;import android.view.View;import android.widget.Button;import android.widget.ImageButton;import android.widget.LinearLayout;import android.widget.Toast;import com.esri.android.map.FeatureLayer;import com.esri.android.map.GraphicsLayer;import com.esri.android.map.MapOnTouchListener;import com.esri.android.map.MapView;import com.esri.core.geodatabase.Geodatabase;import com.esri.core.geodatabase.GeodatabaseFeature;import com.esri.core.geodatabase.GeodatabaseFeatureTable;import com.esri.core.geometry.Geometry;import com.esri.core.map.Feature;import com.esri.core.map.FeatureTemplate;import com.esri.core.map.Graphic;import com.esri.core.renderer.Renderer;import com.esri.core.symbol.Symbol;import com.esri.core.symbol.SymbolHelper;import com.esri.core.table.TableException;import com.example.editgdb.Draw.DrawEvent;import com.example.editgdb.Draw.DrawEventListener;import com.example.editgdb.Draw.DrawSymbol;import com.example.editgdb.Draw.DrawTool;import java.io.File;import java.io.FileNotFoundException;import java.util.ArrayList;import java.util.List;public class MainActivity extends AppCompatActivity implements DrawEventListener {    protected static final String TAG = "editGDB";    private Context context;    private MapView mMapView;//地图容器    private View featureTempleteView;//要素模板容器    private List<FeatureLayer> layerList;//矢量图层列表    private GraphicsLayer graphicsLayer = null;//零时图层    private FeatureLayer selectFeatureLayer;//当前选中图层    private Graphic selectGraphic = null;//当前选中要素（零时图层）    private Feature selectFeature = null;//当前选中要素    private DrawTool drawTool = null;//要素绘制工具    public MapOnTouchListener mapDefaultOnTouchListener;//无状态事件    public DrawEventListener drawEventListener;//要素绘制点击事件    public MapSelectFeatureOnTouchListener mapSelectFeatureOnTouchListener;//要素选择事件    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        this.context = this;        this.mMapView = (MapView)findViewById(R.id.map);        this.featureTempleteView = findViewById(R.id.featureTempleteView);        //设置要素操作事件        BtnOnClickListener btnOnClickListener = new BtnOnClickListener();        Button btnStartEdit = (Button)findViewById(R.id.btnStartEdit);        btnStartEdit.setOnClickListener(btnOnClickListener);        Button btnDeleteNote = (Button)findViewById(R.id.btnDeleteNode);        btnDeleteNote.setOnClickListener(btnOnClickListener);        Button btnGoBack = (Button)findViewById(R.id.btnGoBack);        btnGoBack.setOnClickListener(btnOnClickListener);        Button btnSave = (Button)findViewById(R.id.btnSave);        btnSave.setOnClickListener(btnOnClickListener);        Button btnClear = (Button)findViewById(R.id.btnClear);        btnClear.setOnClickListener(btnOnClickListener);        Button btnDelete = (Button)findViewById(R.id.btnDelete);        btnDelete.setOnClickListener(btnOnClickListener);        //设置离线地理数据库存储路径        String localGdbFilePath = getGeodatabaseFilePath();        //加载离线地理数据库        addFeatureLayer(localGdbFilePath);        //添加零时图层        this.graphicsLayer = new GraphicsLayer();        this.mMapView.addLayer(graphicsLayer);        // 初始化DrawTool实例        this.drawTool = new DrawTool(this.mMapView);        // 将本Activity设置为DrawTool实例的Listener        this.drawTool.addEventListener(this);        //设置地图事件        mapDefaultOnTouchListener = new MapOnTouchListener(this.mMapView.getContext(), this.mMapView);        drawEventListener = this;        mapSelectFeatureOnTouchListener = new MapSelectFeatureOnTouchListener(this.mMapView.getContext(), this.mMapView);        //设置默认地图Touch事件        this.mMapView.setOnTouchListener(mapSelectFeatureOnTouchListener);    }    @Override    public void handleDrawEvent(DrawEvent event) throws TableException, FileNotFoundException {        //添加要素前先清空要素        graphicsLayer.removeAll();        // 将画好的图形（已经实例化了Graphic），添加到drawLayer中并刷新显示        this.graphicsLayer.addGraphic(event.getDrawGraphic());        //保存绘制过的Graphic要素        this.selectGraphic = event.getDrawGraphic();        // 修改点击事件为默认        this.mMapView.setOnTouchListener(mapSelectFeatureOnTouchListener);    }    /**     * Geodatabase文件存储路径     */    static String getGeodatabaseFilePath() {        return Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + "/RuntimeOfflineEdit"                + File.separator + "demo.geodatabase";    }    /**     * 读取Geodatabase中离线地图信息     * @param featureLayerPath 离线Geodatabase文件路径     */    private void addFeatureLayer(String featureLayerPath) {        Geodatabase localGdb = null;        try {            localGdb = new Geodatabase(featureLayerPath);        } catch (FileNotFoundException e) {            e.printStackTrace();        }        layerList = new ArrayList<>();        // 添加FeatureLayer到MapView中        if (localGdb != null) {            for (GeodatabaseFeatureTable gdbFeatureTable : localGdb.getGeodatabaseTables()) {                if (gdbFeatureTable.hasGeometry()){                    FeatureLayer layer = new FeatureLayer(gdbFeatureTable);                    layerList.add(layer);//保存矢量要素信息列表                    mMapView.addLayer(layer);                    addFeatureTemplate(layer);//添加要素绘制模板                }            }        }    }    /**     * 清空要素选择状态     */    private void clearFeatureSelection(){         if(layerList!=null) {             for (int i=0;i<layerList.size();i++){                 FeatureLayer featurelayer = layerList.get(i);                 featurelayer.clearSelection();//清空选择             }         }    }    /**     * 添加要素绘制模板     * @param layer     */    private void addFeatureTemplate(FeatureLayer layer) {        //获取图层要素模板并添加到featureTempleteView        List<FeatureTemplate> featureTemp = ((GeodatabaseFeatureTable) layer.getFeatureTable()).getFeatureTemplates();        for (FeatureTemplate featureTemplate : featureTemp) {            GeodatabaseFeature g = null;            try {                g = ((GeodatabaseFeatureTable) layer.getFeatureTable()).createFeatureWithTemplate(featureTemplate, null);                Renderer renderer = layer.getRenderer();                Symbol symbol = renderer.getSymbol(g);                float scale = context.getResources().getDisplayMetrics().density;                int widthInPixels = (int) (35 * scale + 0.5f);                Bitmap bitmap = SymbolHelper.getLegendImage(symbol, widthInPixels, widthInPixels);                ImageButton imageButton = new ImageButton(context);                imageButton.setImageBitmap(bitmap);                imageButton.setTag(layer);//保存当前待编辑图层                ((LinearLayout)featureTempleteView).addView(imageButton);//添加到模板                imageButton.setOnClickListener(new ImageButtonOnClickListener());            } catch (TableException e) {                e.printStackTrace();                Toast.makeText(MainActivity.this, "Error：" + e.getLocalizedMessage(), Toast.LENGTH_SHORT).show();            }        }    }    /**     * 要素模板点击事件     * 用于开始绘制要素     */    private class ImageButtonOnClickListener implements View.OnClickListener {        @Override        public void onClick(View v) {            selectFeatureLayer = (FeatureLayer) v.getTag();//获取选中要素图层            setEditingMode();// 设置编辑状态        }        /**         * 设置编辑状态         */        private void setEditingMode() {            selectFeature=null;//新建要素时设置selectFeature为空            if (selectFeatureLayer != null) {                if (selectFeatureLayer.getGeometryType().equals(Geometry.Type.POINT)                        || selectFeatureLayer.getGeometryType().equals(Geometry.Type.MULTIPOINT)) {                    //绘制点                    drawTool.activate(DrawTool.POINT);                } else if (selectFeatureLayer.getGeometryType().equals(Geometry.Type.POLYLINE)) {                    //绘制线                    drawTool.activate(DrawTool.POLYLINE);                    Toast.makeText(MainActivity.this, "开始绘制线：双击屏幕结束绘制", Toast.LENGTH_SHORT).show();                } else if (selectFeatureLayer.getGeometryType().equals(Geometry.Type.POLYGON)) {                    //绘制面                    drawTool.activate(DrawTool.POLYGON);                    Toast.makeText(MainActivity.this, "开始绘制面：双击屏幕结束绘制", Toast.LENGTH_SHORT).show();                }            }        }    }    /**     * 设置要素操作按钮点击事件     */    private class BtnOnClickListener implements View.OnClickListener {        @Override        public void onClick(View v) {            switch (v.getId()){                case R.id.btnStartEdit:                    if(selectGraphic!=null&&selectFeatureLayer!=null){                        drawTool.setEditGraphic(selectGraphic);                    }                    break;                case R.id.btnDeleteNode://删除节点                    drawTool.actionDelete();                    break;                case R.id.btnGoBack://回退                    drawTool.actionUndo();                    break;                case R.id.btnSave://保存要素                    saveGraphic();                    break;                case R.id.btnClear:                    for (int i=0;i<layerList.size();i++){                        FeatureLayer featureLayer = layerList.get(i);                        featureLayer.clearSelection();//清空选择                    }                    graphicsLayer.removeAll();                    break;                case R.id.btnDelete:                    graphicsLayer.removeAll();                    deleteGraphic();//删除要素                    break;            }        }        /**         * 保存要素         */        private void saveGraphic() {            if(selectGraphic!=null){                if(selectFeature==null){//添加要素                    try {                        GeodatabaseFeatureTable geodatabaseFeatureTable = (GeodatabaseFeatureTable)selectFeatureLayer.getFeatureTable();                        GeodatabaseFeature gdbFeature = new GeodatabaseFeature(null, selectGraphic.getGeometry(), geodatabaseFeatureTable);                        long fid = geodatabaseFeatureTable.addFeature(gdbFeature);                        Log.d(TAG,"要素添加成功，Feature ID："+fid);                    } catch (TableException e) {                        e.printStackTrace();                    }                }else {//更新要素                    try {                        GeodatabaseFeatureTable geodatabaseFeatureTable = (GeodatabaseFeatureTable)selectFeatureLayer.getFeatureTable();                        geodatabaseFeatureTable.updateFeature(selectFeature.getId(),selectGraphic.getGeometry());                        Log.d(TAG,"要素更新成功");                    } catch (TableException e) {                        e.printStackTrace();                    }                }            }else {                Toast.makeText(context,"请双击保存后再试",Toast.LENGTH_SHORT).show();            }            graphicsLayer.removeAll();        }        /**         * 删除要素         */        private void deleteGraphic() {            AlertDialog.Builder  builder=new AlertDialog.Builder(context);            builder.setTitle("系统提示");            builder.setMessage("是否删除要素？");            builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {                @Override                public void onClick(DialogInterface dialog, int which) {                    GeodatabaseFeatureTable geodatabaseFeatureTable = (GeodatabaseFeatureTable)selectFeatureLayer.getFeatureTable();                    try {                        if (selectFeature!=null){                            geodatabaseFeatureTable.deleteFeature(selectFeature.getId());                        }                    } catch (TableException e) {                        e.printStackTrace();                    }                }            });            builder.setNegativeButton("取消",null);            //builder创建对话框对象AlertDialog            AlertDialog simpledialog=builder.create();            simpledialog.show();        }    }    /**     * 地图窗口默认Touch事件     * 支持长按放大镜选种要素     */    public class MapSelectFeatureOnTouchListener extends MapOnTouchListener{        public MapSelectFeatureOnTouchListener(Context context, MapView view) {            super(context, view);        }        @Override        public boolean onLongPressUp(MotionEvent point) {            handleTap(point);            //长按放大镜选择事件            super.onLongPressUp(point);            return true;        }        @Override        public boolean onSingleTap(final MotionEvent e) {            //单击响应事件            return true;        }        /**         * 获取当前选中要素         * @param point         */        private void handleTap(MotionEvent point) {            MotionEvent screePoint = point;            //选中图层信息            final List<SelectFeatureInfo> selectFeatureInfoList = new ArrayList<>();            //记录当前选中要素信息，涉及多个图层情况            for (int i=0;i<layerList.size();i++){                FeatureLayer featureLayer = layerList.get(i);                featureLayer.setSelectionColor(Color.YELLOW);                featureLayer.setSelectionColorWidth(10);                long[] selids = featureLayer.getFeatureIDs(screePoint.getX(), screePoint.getY(), 1);                if (selids.length >= 1) {                    SelectFeatureInfo selectFeatureInfo = new SelectFeatureInfo();                    selectFeatureInfo.featureLayer = featureLayer;                    selectFeatureInfo.selectFeatureID = selids[0];                    selectFeatureInfoList.add(selectFeatureInfo);                }            }            //根据待选图层确定是否弹窗选择            if(selectFeatureInfoList.size()>1){                //当前选中要素大于1个图层                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);                builder.setTitle("请确认选择哪个图层要素？");                //指定下拉列表的显示数据                final String[] layerNamelist = getSelectFeatureInfoListName(selectFeatureInfoList);                //设置一个下拉的列表选择项                builder.setItems(layerNamelist, new DialogInterface.OnClickListener()                {                    @Override                    public void onClick(DialogInterface dialog, int which)                    {                        Toast.makeText(MainActivity.this, "选择的图层为：" + layerNamelist[which], Toast.LENGTH_SHORT).show();                        SelectFeatureInfo selectFeaInfo = getFeatureLayerbyName(selectFeatureInfoList,layerNamelist[which]);                        setSelectFeature(selectFeaInfo);//根据选中图层信息选中当前要素                    }                });                builder.show();            }else if(selectFeatureInfoList.size()==1) {                SelectFeatureInfo selectFeaInfo = selectFeatureInfoList.get(0);                setSelectFeature(selectFeaInfo);//根据选中图层信息选中当前要素            }        }        /**         * 设置选中图层的要素选中信息         * @param selectFeaInfo 待选图层信息         */        private void setSelectFeature(SelectFeatureInfo selectFeaInfo) {            clearFeatureSelection();//设置选中状态前，清空已选择要素            selectFeaInfo.featureLayer.selectFeature(selectFeaInfo.selectFeatureID);            selectFeatureLayer = selectFeaInfo.featureLayer;            selectFeature = selectFeatureLayer.getFeature(selectFeaInfo.selectFeatureID);            switch (selectFeature.getGeometry().getType()){                case POINT:                case MULTIPOINT:                    selectGraphic = new Graphic(selectFeature.getGeometry(), DrawSymbol.markerSymbol, null);                    break;                case LINE:                case POLYLINE:                    selectGraphic = new Graphic(selectFeature.getGeometry(), DrawSymbol.mLineSymbol,null);                    break;                case ENVELOPE:                case POLYGON:                    selectGraphic = new Graphic(selectFeature.getGeometry(), DrawSymbol.mFillSymbol, null);                    break;                default:                    break;            }        }        /**         * 通过图层名称获取要素         * @param name 图层名称         * @return 选中图层信息         */        private SelectFeatureInfo getFeatureLayerbyName(List<SelectFeatureInfo> selectFeatureInfoList,String name){            SelectFeatureInfo selectinfo= null;            for (int i=0;i<selectFeatureInfoList.size();i++){                FeatureLayer tmplayer = selectFeatureInfoList.get(i).featureLayer;               if (tmplayer.getName().equals(name)){                   selectinfo = selectFeatureInfoList.get(i);//选中图层信息               }            }            return selectinfo;        }        /**         * 获取待选择要素列表名称         * @param selectFeatureInfoList 待选中要素列表信息         * @return         */        private String[] getSelectFeatureInfoListName(List<SelectFeatureInfo> selectFeatureInfoList) {            List<String> lsname = new ArrayList<>();            for (int i=0;i<selectFeatureInfoList.size();i++){                lsname.add(selectFeatureInfoList.get(i).featureLayer.getName());            }            return lsname.toArray(new String[lsname.size()]);        }        /**         * 记录当前选中要素信息         */        public class SelectFeatureInfo{            public FeatureLayer featureLayer ;//当前选中要素            public long selectFeatureID ;//当前选中要素ID        }    }}