1 files changed, 100 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/storage/UrlTransformActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/storage/UrlTransformActivity.java
new file mode 100644
index 0000000000..831e809cfd
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/storage/UrlTransformActivity.java
@@ -0,0 +1,100 @@
+package com.mapbox.mapboxsdk.maps.activity.storage;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.storage.FileSource;
+import com.mapbox.mapboxsdk.storage.Resource;
+import com.mapbox.mapboxsdk.testapp.R;
+
+import timber.log.Timber;
+
+/**
+ * Test activity showcasing the url transform
+ */
+public class UrlTransformActivity extends AppCompatActivity {
+
+  private MapView mapView;
+  private MapboxMap mapboxMap;
+
+  /**
+   * Be sure to use an isolated class so the activity is not leaked when
+   * the activity goes out of scope (static class in this case).
+   * <p>
+   * Alternatively, unregister the callback in {@link Activity#onDestroy()}
+   */
+  private static final class Transform implements FileSource.ResourceTransformCallback {
+    @Override
+    public String onURL(@Resource.Kind int kind, String url) {
+      Timber.i("[%s] Could be rewriting %s", Thread.currentThread().getName(), url);
+      return url;
+    }
+  }
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_data_driven_style);
+
+    // Initialize map as normal
+    mapView = (MapView) findViewById(R.id.mapView);
+    mapView.onCreate(savedInstanceState);
+
+    // Get a handle to the file source and set the resource transform
+    FileSource.getInstance(UrlTransformActivity.this).setResourceTransform(new Transform());
+
+    mapView.getMapAsync(map -> {
+      Timber.i("Map loaded");
+      mapboxMap = map;
+    });
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    mapView.onStart();
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    mapView.onResume();
+  }
+
+  @Override
+  protected void onPause() {
+    super.onPause();
+    mapView.onPause();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    mapView.onStop();
+  }
+
+  @Override
+  protected void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    mapView.onSaveInstanceState(outState);
+  }
+
+  @Override
+  protected void onDestroy() {
+    super.onDestroy();
+
+    // Example of how to reset the transform callback
+    FileSource.getInstance(UrlTransformActivity.this).setResourceTransform(null);
+
+    mapView.onDestroy();
+  }
+
+  @Override
+  public void onLowMemory() {
+    super.onLowMemory();
+    mapView.onLowMemory();
+  }
+}