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GeoPointMapActivity.java
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GeoPointMapActivity.java
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/*
* Copyright (C) 2011 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.makina.collect.android.activities;
import java.text.DecimalFormat;
import java.util.List;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnMapLongClickListener;
import com.google.android.gms.maps.GoogleMap.OnMarkerDragListener;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.android.gms.maps.model.TileOverlayOptions;
import com.makina.collect.android.R;
import com.makina.collect.android.application.Collect;
import com.makina.collect.android.provider.MapBoxOfflineTileProvider;
import com.makina.collect.android.utilities.InfoLogger;
import com.makina.collect.android.widgets.GeoPointWidget;
/**
* GeoPointMapActivity is responsible for displaying the map used to get or
* display a geopoint. It uses online google maps or mbTiles stored in
* Android/data/com.makina.collect, depending on application settings.
*
* @author Guillaume Salmon (guillaume.salmon.ext@makina-corpus.com)
*/
public class GeoPointMapActivity extends FragmentActivity implements
LocationListener, OnMarkerDragListener, OnMapLongClickListener {
private static final String LOCATION_COUNT = "locationCount";
private TextView mLocationStatus;
private LocationManager mLocationManager;
private GoogleMap mMap;
private MarkerOptions mMarkerOption;
private Marker mMarker = null;
private Location mLocation;
private Button mAcceptLocation;
private Button mCancelLocation;
private Button mRefreshLocation;
private LatLng mLatLng;
private boolean mCaptureLocation = true;
private boolean mIsDragged = false;
private Button mShowLocation;
private boolean mGPSOn = false;
private boolean mNetworkOn = false;
private double mLocationAccuracy;
private int mLocationCount = 0;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState != null) {
mLocationCount = savedInstanceState.getInt(LOCATION_COUNT);
}
boolean withLoc = true;
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.geopoint_layout);
Intent intent = getIntent();
mLocationAccuracy = GeoPointWidget.DEFAULT_LOCATION_ACCURACY;
/* Set up the map and the marker */
mMarkerOption = new MarkerOptions();
mMap = ((SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map)).getMap();
mMap.setOnMarkerDragListener(this);
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(
0, 0), 2));
if (intent != null && intent.getExtras() != null) {
// No geolocation
if (intent.hasExtra("noGPS")) {
withLoc = false;
mMap.setOnMapLongClickListener(this);
mCaptureLocation = false;
}
// Show previous location
if (intent.hasExtra(GeoPointWidget.LOCATION)) {
double[] location = intent
.getDoubleArrayExtra(GeoPointWidget.LOCATION);
mLatLng = new LatLng(location[0], location[1]);
mMarkerOption.position(mLatLng);
mMarker = mMap.addMarker(mMarkerOption);
mMarker.setDraggable(true);
mCaptureLocation = false;
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(mLatLng,
10));
}
// Set offline mode or not according to settings
if (intent.hasExtra("offLine")) {
mMap.setMapType(GoogleMap.MAP_TYPE_NONE);
TileOverlayOptions options = new TileOverlayOptions();
String filePath = Environment.getExternalStorageDirectory()
.toString()
+ "/odk/tiles8bits.mbtiles";
Log.e(getClass().getName(), filePath);
options.tileProvider(new MapBoxOfflineTileProvider(filePath));
mMap.addTileOverlay(options);
}
// Get accuracy.
if (intent.hasExtra(GeoPointWidget.ACCURACY_THRESHOLD)) {
mLocationAccuracy = intent.getDoubleExtra(
GeoPointWidget.ACCURACY_THRESHOLD,
GeoPointWidget.DEFAULT_LOCATION_ACCURACY);
}
}
// Use providers only if we want geolocation
if (mCaptureLocation || withLoc) {
// make sure we have a good location provider before continuing
mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
ConnectivityManager connectivityMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo[] nwInfos = connectivityMgr.getAllNetworkInfo();
mNetworkOn = false;
for (NetworkInfo nwInfo : nwInfos) {
if (nwInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
mNetworkOn = nwInfo.isAvailable();
}
}
List<String> providers = mLocationManager.getProviders(true);
for (String provider : providers) {
if (provider.equalsIgnoreCase(LocationManager.GPS_PROVIDER)) {
mGPSOn = true;
}
}
if (!mGPSOn && !mNetworkOn) {
Toast.makeText(getBaseContext(),
getString(R.string.provider_disabled_error),
Toast.LENGTH_SHORT).show();
finish();
}
}
// Handles toasts to display when showing the map
if (!mCaptureLocation && withLoc) {
Toast.makeText(getApplicationContext(), R.string.marker_draggable,
Toast.LENGTH_LONG).show();
}
if (!mCaptureLocation && !withLoc) {
Toast.makeText(getApplicationContext(), R.string.marker_create,
Toast.LENGTH_LONG).show();
}
mCancelLocation = (Button) findViewById(R.id.cancel_location);
mCancelLocation.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// Exit activity without saving location.
Collect.getInstance().getActivityLogger()
.logInstanceAction(this, "cancelLocation", "cancel");
finish();
}
});
mAcceptLocation = (Button) findViewById(R.id.accept_location);
mAcceptLocation.setVisibility(View.VISIBLE);
mAcceptLocation.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Collect.getInstance().getActivityLogger()
.logInstanceAction(this, "acceptLocation", "OK");
returnResult();
}
});
// Use GPS or network, depending on what's available
if (mGPSOn) {
Location loc = mLocationManager
.getLastKnownLocation(LocationManager.GPS_PROVIDER);
if (loc != null) {
InfoLogger.geolog("GeoPointMapActivity: "
+ System.currentTimeMillis()
+ " lastKnownLocation(GPS) lat: " + loc.getLatitude()
+ " long: " + loc.getLongitude() + " acc: "
+ loc.getAccuracy());
} else {
InfoLogger.geolog("GeoPointMapActivity: "
+ System.currentTimeMillis()
+ " lastKnownLocation(GPS) null location");
}
}
if (mNetworkOn) {
Location loc = mLocationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
if (loc != null) {
InfoLogger.geolog("GeoPointMapActivity: "
+ System.currentTimeMillis()
+ " lastKnownLocation(Network) lat: "
+ loc.getLatitude() + " long: " + loc.getLongitude()
+ " acc: " + loc.getAccuracy());
} else {
InfoLogger.geolog("GeoPointMapActivity: "
+ System.currentTimeMillis()
+ " lastKnownLocation(Network) null location");
}
}
// Focuses on marked location
mShowLocation = ((Button) findViewById(R.id.show_location));
mShowLocation.setVisibility(View.VISIBLE);
mShowLocation.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Collect.getInstance().getActivityLogger()
.logInstanceAction(this, "showLocation", "onClick");
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(mLatLng,
16));
}
});
mShowLocation.setClickable(mMarker != null);
if (mCaptureLocation) {
// Case where we show the current location according to the provider
mLocationStatus = (TextView) findViewById(R.id.location_status);
mRefreshLocation = ((Button) findViewById(R.id.refresh_location));
mRefreshLocation.setVisibility(View.VISIBLE);
mRefreshLocation.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Collect.getInstance()
.getActivityLogger()
.logInstanceAction(this, "refreshLocation",
"onClick");
onResume();
mMarker.setDraggable(false);
}
});
mRefreshLocation.setClickable(false);
} else {
// Case where we only show the saved location
((TextView) findViewById(R.id.location_status))
.setVisibility(View.GONE);
mAcceptLocation.setClickable(false);
}
}
@Override
protected void onStart() {
super.onStart();
Collect.getInstance().getActivityLogger().logOnStart(this);
}
@Override
protected void onStop() {
Collect.getInstance().getActivityLogger().logOnStop(this);
super.onStop();
}
// Used to return the location if we used the gps/network
private void returnLocation() {
if (mLocation != null) {
Log.i(getClass().getName(),
"returnLocation Lat : " + mLocation.getLatitude()
+ " Long : " + mLocation.getLongitude() + " Alt : "
+ mLocation.getAltitude() + " Acc : "
+ mLocation.getAccuracy());
Intent i = new Intent();
i.putExtra(
FormEntryActivity.LOCATION_RESULT,
mLocation.getLatitude() + " " + mLocation.getLongitude()
+ " " + mLocation.getAltitude() + " "
+ mLocation.getAccuracy());
setResult(RESULT_OK, i);
}
finish();
}
// Used to return the location if the user set a location himself with a
// marker
private void returnDragLocation() {
Log.i(getClass().getName(), "returnDragLocation Lat : "
+ mLatLng.latitude + " Long : " + mLatLng.longitude + " Alt : "
+ 0 + " Acc : " + 0);
Intent i = new Intent();
i.putExtra(FormEntryActivity.LOCATION_RESULT, mLatLng.latitude + " "
+ mLatLng.longitude + " " + 0 + " " + 0);
setResult(RESULT_OK, i);
finish();
}
private String truncateFloat(float f) {
return new DecimalFormat("#.##").format(f);
}
@Override
protected void onPause() {
super.onPause();
if (mLocationManager != null) {
mLocationManager.removeUpdates(this);
}
}
@Override
protected void onResume() {
super.onResume();
if (mGPSOn) {
mLocationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER, 0, 0, this);
}
if (mNetworkOn) {
mLocationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER, 0, 0, this);
}
}
@Override
public void onLocationChanged(Location location) {
if (mCaptureLocation) {
mLocation = location;
if (mLocation != null) {
// Bug report: cached GeoPoint is being returned as the first
// value.
// Wait for the 2nd value to be returned, which is hopefully not
// cached?
++mLocationCount;
InfoLogger.geolog("GeoPointMapActivity: "
+ System.currentTimeMillis() + " onLocationChanged("
+ mLocationCount + ") lat: " + mLocation.getLatitude()
+ " long: " + mLocation.getLongitude() + " acc: "
+ mLocation.getAccuracy());
if (mLocationCount > 1) {
mLocationStatus.setText(getString(
R.string.location_provider_accuracy,
mLocation.getProvider(),
truncateFloat(mLocation.getAccuracy())));
mLatLng = new LatLng(mLocation.getLatitude(),
mLocation.getLongitude());
mMap.animateCamera(CameraUpdateFactory.newLatLng(mLatLng));
if (mLocation.getAccuracy() <= mLocationAccuracy) {
// If the location is accurate enough, stop updating
// location and allow user to drag the marker on the map
Toast.makeText(getApplicationContext(),
R.string.marker_draggable, Toast.LENGTH_LONG)
.show();
mLocationManager.removeUpdates(this);
mRefreshLocation.setClickable(true);
mMarker.setDraggable(true);
mLatLng = new LatLng(mLocation.getLatitude(),
mLocation.getLongitude());
}
}
mLatLng = new LatLng(mLocation.getLatitude(),
mLocation.getLongitude());
// create a marker on the map or move the existing marker to the
// new location
if (mMarker == null) {
mMarkerOption.position(mLatLng);
mMarker = mMap.addMarker(mMarkerOption);
mShowLocation.setClickable(true);
} else {
mMarker.setPosition(mLatLng);
}
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(mLatLng,
16));
} else {
InfoLogger.geolog("GeoPointMapActivity: "
+ System.currentTimeMillis() + " onLocationChanged("
+ mLocationCount + ") null location");
}
} else {
Log.w(getClass().getName(),
"onLocationChanged() : mCaptureLocation is "
+ mCaptureLocation);
}
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public void onMarkerDrag(Marker marker) {
}
@Override
public void onMarkerDragEnd(Marker marker) {
// Allows the user to save a custom location by dragging the marker
mLatLng = marker.getPosition();
mAcceptLocation.setClickable(true);
mIsDragged = true;
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(mLatLng, 11));
}
@Override
public void onMarkerDragStart(Marker marker) {
}
private void returnResult() {
if (mIsDragged) {
returnDragLocation();
} else {
returnLocation();
}
}
@Override
public void onMapLongClick(LatLng point) {
// Allows the user to create or move a marker by long-clicking on the
// map
mMarkerOption.position(point);
mLatLng = point;
if (mMarker != null) {
mMarker.remove();
} else {
Toast.makeText(getApplicationContext(), R.string.marker_draggable,
Toast.LENGTH_LONG).show();
}
mMarker = mMap.addMarker(mMarkerOption);
mMarker.setDraggable(true);
mAcceptLocation.setClickable(true);
mShowLocation.setClickable(true);
mIsDragged = true;
Log.i(getClass().getName(), "x = " + mLatLng.latitude + " y = "
+ mLatLng.longitude);
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(mLatLng, 11));
}
}