ArcGIS Android API加载GoogleMap及自动离线

package com.linksoon.ocean.offline; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import java.util.ArrayList; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.os.Bundle; import android.os.Environment; import android.util.Log; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.Window; import android.widget.Button; import android.widget.Toast; import com.esri.android.map.MapView; import com.esri.android.map.ags.ArcGISLocalTiledLayer; import com.esri.android.map.ags.ArcGISTiledMapServiceLayer; import com.esri.core.geometry.Envelope; import com.esri.core.map.CallbackListener; import com.esri.core.tasks.tilecache.ExportTileCacheParameters; import com.esri.core.tasks.tilecache.ExportTileCacheParameters.ExportBy; import com.esri.core.tasks.tilecache.ExportTileCacheStatus; import com.esri.core.tasks.tilecache.ExportTileCacheTask; public class MainActivity extends AppCompatActivity { static final String TAG = "ExportTileCacheTaskSampleActivity"; // Map elements MapView mMapView; ArcGISLocalTiledLayer localTiledLayer; // action bar menu items MenuItem selectLevels; MenuItem download; MenuItem switchMaps; boolean isLocalLayerVisible = false; // The generated tile cache will be a compact cache boolean createAsTilePackage = false; double[] levels; final CharSequence[] items = { "Level ID:0", "Level ID:1", "Level ID:2", "Level ID:3", "Level ID:4", "Level ID:5", "Level ID:6", "Level ID:7", "Level ID:8", "Level ID:9", }; double[] mapResolution = { 156543.03392800014, 78271.51696399994, 39135.75848200009, 19567.87924099992, 9783.93962049996, 4891.96981024998, 2445.98490512499, 1222.992452562495, 611.4962262813797, 305.74811314055756 }; boolean[] itemsChecked = new boolean[items.length]; ArrayList<Double> levelsArraylist = new ArrayList<Double>(); // path to persist data to disk public static String DEFAULT_BASEMAP_PATH; public static Context context; // tile package url String tileURL; public static String defaultPath = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setContentView(R.layout.activity_main); DEFAULT_BASEMAP_PATH = getResources().getString(R.string.offline_dir); defaultPath = Environment.getExternalStorageDirectory().getPath() + DEFAULT_BASEMAP_PATH; // Initialize MapView and extent mMapView = (MapView) findViewById(R.id.mapView); context=this; // Add Tile layer to the MapView tileURL = getResources().getString(R.string.tileServiceURL); ArcGISTiledMapServiceLayer tilelayer = new ArcGISTiledMapServiceLayer( tileURL); //mMapView.addLayer(tilelayer); GoogleMapLayer googleLayer = new GoogleMapLayer(GoogleMapLayerTypes.IMAGE_GOOGLE_MAP); mMapView.addLayer(googleLayer); Button zI =(Button)findViewById(R.id.zoomIn); zI.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mMapView.zoomin(); } }); Button zO =(Button)findViewById(R.id.zoomOut); zO.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mMapView.zoomout(); } }); } public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.menu, menu); // menu items selectLevels = menu.getItem(0); selectLevels.setIcon(android.R.drawable.ic_menu_crop); download = menu.getItem(1); switchMaps = menu.getItem(2); return super.onCreateOptionsMenu(menu); } public static boolean isConnect(){ //Context context=App.getInstance(); ConnectivityManager cwjManager=(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = cwjManager.getActiveNetworkInfo(); if (info != null && info.isAvailable()){ return true; } else { return false; } } public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.select_levels: showDialog(); return true; case R.id.download: downloadBasemap(); return true; case R.id.switch_maps: if (isLocalLayerVisible) { switchToOnlineLayer(); } else { switchToLocalLayer(); } return true; default: return super.onOptionsItemSelected(item); } } /** * Launches the dialog to let the user select the Levels of Detail to be * downloaded from the tile service. Called when selectLevels action bar * icon is selected. * **/ public void showDialog() { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("Select the Levels of Detail"); builder.setPositiveButton("OK", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // When ok button is pressed, we go through the array of // itemsChecked and add the selected // items to levelsArraylist for (int i = 0; i < items.length; i++) { if (itemsChecked[i]) { levelsArraylist.add((double) i); itemsChecked[i] = false; } } } }); builder.setMultiChoiceItems(items, new boolean[] { false, false, false, false, false, false, false, false, false, false }, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { itemsChecked[which] = isChecked; } }); builder.show(); } /** * Download the basemap for the level of details selected by the user Called * when download button is clicked. * */ @SuppressWarnings("boxing") public void downloadBasemap() { // Set the progressbar to VISIBLE setProgressBarIndeterminateVisibility(true); // Get the the extent covered by generated tile cache, here we are using // the area being displayed on screen Envelope extentForTPK = new Envelope(); mMapView.getExtent().queryEnvelope(extentForTPK); // If the user does not select the Level of details // then give out the status message in a toast if (levelsArraylist.size() == 0) { Toast.makeText(this, "Please Select Levels of Detail", Toast.LENGTH_LONG).show(); // Hide the progress bar setProgressBarIndeterminateVisibility(false); return; } levels = new double[levelsArraylist.size()]; final String tileCachePath = def