[android] #4835 - Adding FAB Toggle UI And Functionality

1 files changed, 73 insertions, 1 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/userlocation/MyLocationToggleActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/userlocation/MyLocationToggleActivity.java
index 1b220d5a23..fa483b41dc 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/userlocation/MyLocationToggleActivity.java
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/userlocation/MyLocationToggleActivity.java
@@ -1,10 +1,23 @@
 package com.mapbox.mapboxsdk.testapp.activity.userlocation;
 
+import android.Manifest;
+import android.content.pm.PackageManager;
+import android.location.Location;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.annotation.UiThread;
+import android.support.design.widget.FloatingActionButton;
+import android.support.v4.app.ActivityCompat;
+import android.support.v4.content.ContextCompat;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
+import android.view.View;
+import com.mapbox.mapboxsdk.camera.CameraPosition;
+import com.mapbox.mapboxsdk.constants.Style;
+import com.mapbox.mapboxsdk.geometry.LatLng;
 import com.mapbox.mapboxsdk.maps.MapView;
 import com.mapbox.mapboxsdk.maps.MapboxMap;
 import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
@@ -15,6 +28,8 @@ public class MyLocationToggleActivity extends AppCompatActivity {
     private MapView mapView;
     private MapboxMap mapboxMap;
 
+    private static final int PERMISSIONS_LOCATION = 0;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -25,7 +40,7 @@ public class MyLocationToggleActivity extends AppCompatActivity {
 
         final ActionBar actionBar = getSupportActionBar();
         if (actionBar != null) {
-            actionBar.setDisplayShowTitleEnabled(false);
+            actionBar.setDisplayShowTitleEnabled(true);
             actionBar.setDisplayHomeAsUpEnabled(true);
             actionBar.setDisplayShowHomeEnabled(true);
         }
@@ -36,6 +51,17 @@ public class MyLocationToggleActivity extends AppCompatActivity {
             @Override
             public void onMapReady(MapboxMap map) {
                 mapboxMap = map;
+                mapboxMap.setStyle(Style.MAPBOX_STREETS);
+            }
+        });
+
+        FloatingActionButton locationToggleFAB = (FloatingActionButton) findViewById(R.id.fabLocationToggle);
+        locationToggleFAB.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (mapboxMap != null) {
+                    toggleGps(!mapboxMap.isMyLocationEnabled());
+                }
             }
         });
     }
@@ -81,4 +107,50 @@ public class MyLocationToggleActivity extends AppCompatActivity {
                 return false;
         }
     }
+
+    @UiThread
+    public void toggleGps(boolean enableGps) {
+        if (enableGps) {
+            if ((ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) ||
+                    (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED)) {
+                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSIONS_LOCATION);
+            } else {
+                enableLocation(true);
+            }
+        } else {
+            enableLocation(false);
+        }
+    }
+
+    private void enableLocation(boolean enabled) {
+        if (enabled) {
+            mapboxMap.setOnMyLocationChangeListener(new MapboxMap.OnMyLocationChangeListener() {
+                @Override
+                public void onMyLocationChange(@Nullable Location location) {
+                    if (location != null) {
+                        mapboxMap.setCameraPosition(new CameraPosition.Builder()
+                                .target(new LatLng(location))
+                                .zoom(16)
+                                .bearing(0)
+                                .tilt(0)
+                                .build());
+                        mapboxMap.setOnMyLocationChangeListener(null);
+                    }
+                }
+            });
+        }
+        mapboxMap.setMyLocationEnabled(enabled);
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
+        switch (requestCode) {
+            case PERMISSIONS_LOCATION: {
+                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                    enableLocation(true);
+                 }
+            }
+        }
+    }
+
 }