gps example uses new permission functions

Author: codeanticode

location_permissions/gps_example/gps_example.pde

@@ -16,6 +16,7 @@ import android.location.Location;
 import android.location.LocationListener;
 import android.location.LocationManager;
 import android.os.Bundle;
+import android.Manifest;
 
 // Set up the variables for the LocationManager and LocationListener
 LocationManager locationManager;
@@ -32,6 +33,8 @@ String[] fontList;
 PFont androidFont;
 Context context; 
 
+boolean hasLocation = false;
+
 void setup () {
   size(480, 640, P2D);
   // Sketch stays in portrait mode, even when the phone is rotated
@@ -42,36 +45,53 @@ void setup () {
   textFont(androidFont);
 }
 
-void draw()
-{
+void draw() {
   background(0);
-  // Display current GPS data
-  text("Latitude: "+currentLatitude, 20, 40);
-  text("Longitude: "+currentLongitude, 20, 75);
-  text("Accuracy: "+currentAccuracy, 20, 110);
-  text("Provider: "+currentProvider, 20, 145);
+  if (hasLocation) {
+    // Display current GPS data
+    text("Latitude: " + currentLatitude, 20, 40);
+    text("Longitude: " + currentLongitude, 20, 75);
+    text("Accuracy: " + currentAccuracy, 20, 110);
+    text("Provider: " + currentProvider, 20, 145);
+  } else {
+    text("No permissions to access location", 20, 40);
+  }
+}
+
+
+void onPermissionsGranted() {
+  initLocation();
 }
 
+/*
 // Override the activity class methods
 void onResume() {
   super.onResume();
-
-  context = getActivity();
-  //context = surface.getActivity();
-  locationListener = new MyLocationListener();
-  locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);    
-
-  // Register the listener with the Location Manager to receive location updates
-  locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);
 }
 
 void onPause() {
   super.onPause();
   //locationManager.removeGpsStatusListener(locationListener);
 }
+*/
 
 /*****************************************************************/
 
+void initLocation() {
+  if (checkPermission(Manifest.permission.ACCESS_FINE_LOCATION) ||
+      checkPermission(Manifest.permission.ACCESS_COARSE_LOCATION)) {
+    context = surface.getActivity();
+    locationListener = new MyLocationListener();
+    locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);    
+
+    // Register the listener with the Location Manager to receive location updates
+    locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);
+    hasLocation = true;
+  } else {
+    hasLocation = false;
+  }
+}
+
 // Class for capturing the GPS data
 class MyLocationListener implements LocationListener {
   // Define all LocationListener methods