1 files changed, 254 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/camera/CameraPositionActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/camera/CameraPositionActivity.java
new file mode 100644
index 0000000000..1c4b022416
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/camera/CameraPositionActivity.java
@@ -0,0 +1,254 @@
+package com.mapbox.mapboxsdk.maps.activity.camera;
+
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.annotation.IdRes;
+import android.support.annotation.NonNull;
+import android.support.design.widget.FloatingActionButton;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.SeekBar;
+import android.widget.TextView;
+import com.mapbox.mapboxsdk.camera.CameraPosition;
+import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.testapp.R;
+import timber.log.Timber;
+
+/**
+ * Test activity showcasing how to listen to camera change events.
+ */
+public class CameraPositionActivity extends AppCompatActivity implements OnMapReadyCallback, View.OnClickListener,
+  MapboxMap.OnMapLongClickListener {
+
+  private MapView mapView;
+  private MapboxMap mapboxMap;
+  private FloatingActionButton fab;
+  private boolean logCameraChanges;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_camera_position);
+
+    mapView = (MapView) findViewById(R.id.mapView);
+    mapView.onCreate(savedInstanceState);
+    mapView.getMapAsync(this);
+  }
+
+  @Override
+  public void onMapReady(@NonNull final MapboxMap map) {
+    mapboxMap = map;
+    toggleLogCameraChanges();
+
+    // add a listener to FAB
+    fab = (FloatingActionButton) findViewById(R.id.fab);
+    fab.setColorFilter(ContextCompat.getColor(CameraPositionActivity.this, R.color.primary));
+    fab.setOnClickListener(this);
+
+    // listen to long click events to toggle logging camera changes
+    mapboxMap.setOnMapLongClickListener(this);
+  }
+
+  @Override
+  public void onMapLongClick(@NonNull LatLng point) {
+    toggleLogCameraChanges();
+  }
+
+  @Override
+  public void onClick(View view) {
+    Context context = view.getContext();
+    final View dialogContent = LayoutInflater.from(context).inflate(R.layout.dialog_camera_position, null);
+    AlertDialog.Builder builder = new AlertDialog.Builder(context);
+    builder.setTitle(R.string.dialog_camera_position);
+    builder.setView(onInflateDialogContent(dialogContent));
+    builder.setPositiveButton("Animate", new DialogClickListener(mapboxMap, dialogContent));
+    builder.setNegativeButton("Cancel", null);
+    builder.setCancelable(false);
+    builder.show();
+  }
+
+  private void toggleLogCameraChanges() {
+    logCameraChanges = !logCameraChanges;
+    if (logCameraChanges) {
+      mapboxMap.addOnCameraIdleListener(idleListener);
+      mapboxMap.addOnCameraMoveCancelListener(moveCanceledListener);
+      mapboxMap.addOnCameraMoveListener(moveListener);
+      mapboxMap.addOnCameraMoveStartedListener(moveStartedListener);
+    } else {
+      mapboxMap.removeOnCameraIdleListener(idleListener);
+      mapboxMap.removeOnCameraMoveCancelListener(moveCanceledListener);
+      mapboxMap.removeOnCameraMoveListener(moveListener);
+      mapboxMap.removeOnCameraMoveStartedListener(moveStartedListener);
+    }
+  }
+
+  @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 onDestroy() {
+    super.onDestroy();
+    mapView.onDestroy();
+  }
+
+  @Override
+  protected void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    mapView.onSaveInstanceState(outState);
+  }
+
+  private View onInflateDialogContent(View view) {
+    linkTextView(view, R.id.value_lat, R.id.seekbar_lat, new LatLngChangeListener(), 180 + 38);
+    linkTextView(view, R.id.value_lon, R.id.seekbar_lon, new LatLngChangeListener(), 180 - 77);
+    linkTextView(view, R.id.value_zoom, R.id.seekbar_zoom, new ValueChangeListener(), 6);
+    linkTextView(view, R.id.value_bearing, R.id.seekbar_bearing, new ValueChangeListener(), 90);
+    linkTextView(view, R.id.value_tilt, R.id.seekbar_tilt, new ValueChangeListener(), 40);
+    return view;
+  }
+
+  private void linkTextView(
+    View view, @IdRes int textViewRes, @IdRes int seekBarRes, ValueChangeListener listener, int defaultValue) {
+    final TextView value = (TextView) view.findViewById(textViewRes);
+    SeekBar seekBar = (SeekBar) view.findViewById(seekBarRes);
+    listener.setLinkedValueView(value);
+    seekBar.setOnSeekBarChangeListener(listener);
+    seekBar.setProgress(defaultValue);
+  }
+
+  private MapboxMap.OnCameraIdleListener idleListener = new MapboxMap.OnCameraIdleListener() {
+    @Override
+    public void onCameraIdle() {
+      Timber.e("OnCameraIdle");
+      fab.setColorFilter(ContextCompat.getColor(CameraPositionActivity.this, android.R.color.holo_green_dark));
+    }
+  };
+
+  private MapboxMap.OnCameraMoveListener moveListener = new MapboxMap.OnCameraMoveListener() {
+    @Override
+    public void onCameraMove() {
+      Timber.e("OnCameraMove");
+      fab.setColorFilter(ContextCompat.getColor(CameraPositionActivity.this, android.R.color.holo_orange_dark));
+    }
+  };
+
+  private MapboxMap.OnCameraMoveCanceledListener moveCanceledListener = () -> Timber.e("OnCameraMoveCanceled");
+
+  private MapboxMap.OnCameraMoveStartedListener moveStartedListener = new MapboxMap.OnCameraMoveStartedListener() {
+
+    private final String[] REASONS = {"REASON_API_GESTURE", "REASON_DEVELOPER_ANIMATION", "REASON_API_ANIMATION"};
+
+    @Override
+    public void onCameraMoveStarted(int reason) {
+      // reason ranges from 1 <-> 3
+      fab.setColorFilter(ContextCompat.getColor(CameraPositionActivity.this, android.R.color.holo_red_dark));
+      Timber.e("OnCameraMoveStarted: %s", REASONS[reason - 1]);
+    }
+  };
+
+  private class ValueChangeListener implements SeekBar.OnSeekBarChangeListener {
+
+    protected TextView textView;
+
+    public void setLinkedValueView(TextView textView) {
+      this.textView = textView;
+    }
+
+    @Override
+    public void onStartTrackingTouch(SeekBar seekBar) {
+
+    }
+
+    @Override
+    public void onStopTrackingTouch(SeekBar seekBar) {
+
+    }
+
+    @Override
+    public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+      textView.setText(String.valueOf(progress));
+    }
+  }
+
+  private class LatLngChangeListener extends ValueChangeListener {
+
+    @Override
+    public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+      super.onProgressChanged(seekBar, progress - 180, fromUser);
+    }
+  }
+
+  private static class DialogClickListener implements DialogInterface.OnClickListener {
+
+    private MapboxMap mapboxMap;
+    private View dialogContent;
+
+    public DialogClickListener(MapboxMap mapboxMap, View view) {
+      this.mapboxMap = mapboxMap;
+      this.dialogContent = view;
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+      double latitude = Double.parseDouble(
+        ((TextView) dialogContent.findViewById(R.id.value_lat)).getText().toString());
+      double longitude = Double.parseDouble(
+        ((TextView) dialogContent.findViewById(R.id.value_lon)).getText().toString());
+      double zoom = Double.parseDouble(
+        ((TextView) dialogContent.findViewById(R.id.value_zoom)).getText().toString());
+      double bearing = Double.parseDouble(
+        ((TextView) dialogContent.findViewById(R.id.value_bearing)).getText().toString());
+      double tilt = Double.parseDouble(
+        ((TextView) dialogContent.findViewById(R.id.value_tilt)).getText().toString());
+
+      CameraPosition cameraPosition = new CameraPosition.Builder()
+        .target(new LatLng(latitude, longitude))
+        .zoom(zoom)
+        .bearing(bearing)
+        .tilt(tilt)
+        .build();
+
+      mapboxMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition), 5000,
+        new MapboxMap.CancelableCallback() {
+          @Override
+          public void onCancel() {
+            Timber.v("OnCancel called");
+          }
+
+          @Override
+          public void onFinish() {
+            Timber.v("OnFinish called");
+          }
+        });
+      Timber.v(cameraPosition.toString());
+    }
+  }
+}