Hi, so I`m working with GeoEvent task. And I stuck with point simulation. How to specify that, InputStream ins takes geometry points from uri, not from file which is local in device. I have this code now:
import android.graphics.Color;
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import org.java_websocket.client.WebSocketClient;
import org.java_websocket.handshake.ServerHandshake;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;
import com.esri.arcgisruntime.geometry.Geometry;
import com.esri.arcgisruntime.geometry.SpatialReference;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.view.Graphic;
import com.esri.arcgisruntime.mapping.view.GraphicsOverlay;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
public class MainActivity extends AppCompatActivity {
private static final String TAG = "ChangeViewPoint";
private WebSocketClient mWebSocketClient;
private MapView mMapView;
private SpatialReference spatialReference;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
connectWebSocket();
if (savedInstanceState == null) {
getFragmentManager().beginTransaction()
.commit();
}
mMapView = (MapView) findViewById(R.id.mapView);
ArcGISMap map = new ArcGISMap(Basemap.Type.OCEANS, 56.075844, -2.681572, 11);
mMapView.setMap(map);
spatialReference = SpatialReference.create(4326);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_settings:
return true;
}
return super.onOptionsItemSelected(item);
}
private void connectWebSocket() {
URI uri;
try {
uri = new URI("wss:StreamServer");
} catch (URISyntaxException e) {
e.printStackTrace();
return;
}
mWebSocketClient = new WebSocketClient(uri) {
@Override
public void onOpen(ServerHandshake serverHandshake) {
Log.i("Websocket", "Opened");
mWebSocketClient.send("Hello from " + Build.MANUFACTURER + " " + Build.MODEL);
}
@Override
public void onMessage(String s) {
final String message = s;
InputStream ins = getResources().openRawResource(
getResources().getIdentifier("griffithparkjson",
"raw", getPackageName()));
InputStreamReader inputReader = new InputStreamReader(ins);
BufferedReader bufferReader = new BufferedReader(inputReader);
String line;
StringBuilder text = new StringBuilder();
try {
while (( line = bufferReader.readLine()) != null) {
text.append(line);
}
} catch (IOException e) {
Log.d(TAG, e.toString());
}
String JsonString = text.toString();
Geometry geometry = Geometry.fromJson(JsonString, spatialReference);
GraphicsOverlay overlay = new GraphicsOverlay();
mMapView.getGraphicsOverlays().add(overlay);
SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.DIAGONAL_CROSS, Color.GREEN, null);
overlay.getGraphics().add(new Graphic(geometry, fillSymbol));
mMapView.setViewpointGeometryAsync(geometry);
runOnUiThread(new Runnable() {
@Override
public void run() {
TextView textView = (TextView)findViewById(R.id.messages);
textView.setText(textView.getText() + "\n" + message);
}
});
}
@Override
public void onClose(int i, String s, boolean b) {
Log.i("Websocket", "Closed " + s);
}
@Override
public void onError(Exception e) {
Log.i("Websocket", "Error " + e.getMessage());
}
};
mWebSocketClient.connect();
}
public void sendMessage(View view) {
EditText editText = (EditText)findViewById(R.id.message);
mWebSocketClient.send(editText.getText().toString());
editText.setText("");
}
@Override
protected void onPause(){
super.onPause();
mMapView.pause();
}
@Override
protected void onResume(){
super.onResume();
mMapView.resume();
}
}
Please, help to solve it. It would be very helpful.