OnCameraIdle hook into quickzoom gesture (#9339)

* [android] - OnCameraIdle hook into quickzoom gesture

* double tap fix

* show MyLocationView bearing for GPS when Compass is not available, only show error about missing compass once, fix test activity.

* fix accessor lint warning

1 files changed, 12 insertions, 6 deletions

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/widgets/MyLocationView.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/widgets/MyLocationView.java
index 72868a91d8..8b6b93e03a 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/widgets/MyLocationView.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/widgets/MyLocationView.java
@@ -348,12 +348,17 @@ public class MyLocationView extends View {
     }
 
     // draw foreground
-    if (myBearingTrackingMode == MyBearingTracking.NONE || !compassListener.isSensorAvailable()) {
+    if (myBearingTrackingMode == MyBearingTracking.NONE) {
       if (foregroundDrawable != null) {
         foregroundDrawable.draw(canvas);
       }
     } else if (foregroundBearingDrawable != null && foregroundBounds != null) {
-      foregroundBearingDrawable.draw(canvas);
+      if (myBearingTrackingMode == MyBearingTracking.GPS || compassListener.isSensorAvailable()) {
+        foregroundBearingDrawable.draw(canvas);
+      } else {
+        // We are tracking MyBearingTracking.COMPASS, but sensor is not available.
+        foregroundDrawable.draw(canvas);
+      }
     }
   }
 
@@ -774,9 +779,9 @@ public class MyLocationView extends View {
     private final SensorManager sensorManager;
 
     private Sensor rotationVectorSensor;
-    float[] matrix = new float[9];
-    float[] orientation = new float[3];
-
+    private float[] matrix = new float[9];
+    private float[] orientation = new float[3];
+    private boolean reportMissingSensor = true;
     // Compass data
     private long compassUpdateNextTimestamp = 0;
 
@@ -794,7 +799,8 @@ public class MyLocationView extends View {
     }
 
     public boolean isSensorAvailable() {
-      if (rotationVectorSensor == null) {
+      if (rotationVectorSensor == null && reportMissingSensor) {
+        reportMissingSensor = false;
         Timber.e("Sensor.TYPE_ROTATION_VECTOR is missing from this device. Unable to use MyBearingTracking.COMPASS.");
       }
       return rotationVectorSensor != null;