[android] Add API to be able to set insets on MapView.

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/views/MapView.java

@@ -278,6 +278,10 @@ public final class MapView extends FrameLayout {
     private boolean mTiltEnabled = true;
     private boolean mAllowConcurrentMultipleOpenInfoWindows = false;
     private String mStyleUrl;
+    private int mContentPaddingLeft;
+    private int mContentPaddingTop;
+    private int mContentPaddingRight;
+    private int mContentPaddingBottom;
 
     //
     // Inner classes
@@ -4341,6 +4345,38 @@ public final class MapView extends FrameLayout {
         setWidgetMargins(mAttributionsView, left, top, right, bottom);
     }
 
+
+    /**
+     * Sets the distance from the edges of the map view’s frame to the edges of the map
+     * view’s logical viewport.
+     *
+     * When the value of this property is equal to {0,0,0,0}, viewport
+     * properties such as `centerCoordinate` assume a viewport that matches the map
+     * view’s frame. Otherwise, those properties are inset, excluding part of the
+     * frame from the viewport. For instance, if the only the top edge is inset, the
+     * map center is effectively shifted downward.
+     *
+     * @param left     The left margin in pixels.
+     * @param top      The top margin in pixels.
+     * @param right    The right margin in pixels.
+     * @param bottom   The bottom margin in pixels.
+     */
+    @UiThread
+    public void setContentPadding(int left, int top, int right, int bottom) {
+
+        if (left == mContentPaddingLeft && top == mContentPaddingTop && right == mContentPaddingRight && bottom == mContentPaddingBottom) {
+            return;
+        }
+
+        mContentPaddingLeft = left;
+        mContentPaddingTop = top;
+        mContentPaddingRight = right;
+        mContentPaddingBottom = bottom;
+
+        mNativeMapView.setContentPadding(top / mScreenDensity, left / mScreenDensity, bottom / mScreenDensity, right / mScreenDensity);
+    }
+
+
     /**
      * <p>
      * Enables or disables the attribution button. The attribution is a button with an "i" than when

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/views/NativeMapView.java

@@ -336,6 +336,10 @@ final class NativeMapView {
         nativeRotateBy(mNativeMapViewPtr, sx, sy, ex, ey, duration);
     }
 
+    public void setContentPadding(double top, double left, double bottom, double right) {
+        nativeSetContentPadding(mNativeMapViewPtr, top, left, bottom, right);
+    }
+
     public void setBearing(double degrees) {
         setBearing(degrees, 0);
     }
@@ -591,6 +595,8 @@ final class NativeMapView {
     private native void nativeRotateBy(long nativeMapViewPtr, double sx,
                                        double sy, double ex, double ey, long duration);
 
+    private native void nativeSetContentPadding(long nativeMapViewPtr, double top, double left, double bottom, double right);
+
     private native void nativeSetBearing(long nativeMapViewPtr, double degrees,
                                          long duration);