diff options
Diffstat (limited to 'platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java')
| -rw-r--r-- | platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java new file mode 100644 index 0000000000..f25fd6ab27 --- /dev/null +++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java @@ -0,0 +1,265 @@ +package com.mapbox.mapboxsdk.testapp.activity.camera; + +import android.animation.Animator; +import android.animation.AnimatorSet; +import android.animation.TypeEvaluator; +import android.animation.ValueAnimator; +import android.os.Bundle; +import android.support.v4.util.LongSparseArray; +import android.support.v4.view.animation.FastOutLinearInInterpolator; +import android.support.v4.view.animation.FastOutSlowInInterpolator; +import android.support.v4.view.animation.PathInterpolatorCompat; +import android.support.v7.app.AppCompatActivity; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.animation.AnticipateOvershootInterpolator; +import android.view.animation.BounceInterpolator; +import android.view.animation.Interpolator; + +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; + +/** + * Test activity showcasing using Android SDK animators to animate camera position changes. + */ +public class CameraAnimatorActivity extends AppCompatActivity implements OnMapReadyCallback { + + private static final double ANIMATION_DELAY_FACTOR = 1.5; + private static final LatLng START_LAT_LNG = new LatLng(37.787947, -122.407432); + + private final LongSparseArray<AnimatorBuilder> animators = new LongSparseArray<AnimatorBuilder>() { + { + put(R.id.menu_action_accelerate_decelerate_interpolator, () -> { + AnimatorSet animatorSet = new AnimatorSet(); + animatorSet.playTogether( + createLatLngAnimator(START_LAT_LNG, new LatLng(37.826715, -122.422795)), + obtainExampleInterpolator(new FastOutSlowInInterpolator(), 2500) + ); + return animatorSet; + }); + + put(R.id.menu_action_bounce_interpolator, () -> { + AnimatorSet animatorSet = new AnimatorSet(); + animatorSet.playTogether( + createLatLngAnimator(START_LAT_LNG, new LatLng(37.787947, -122.407432)), + obtainExampleInterpolator(new BounceInterpolator(), 3750) + ); + return animatorSet; + }); + + put(R.id.menu_action_anticipate_overshoot_interpolator, () -> + obtainExampleInterpolator(new AnticipateOvershootInterpolator(), 2500) + ); + + put(R.id.menu_action_path_interpolator, () -> obtainExampleInterpolator( + PathInterpolatorCompat.create(.22f, .68f, 0, 1.71f), 2500)); + } + }; + + + private MapView mapView; + private MapboxMap mapboxMap; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.activity_camera_animator); + mapView = (MapView) findViewById(R.id.mapView); + if (mapView != null) { + mapView.onCreate(savedInstanceState); + mapView.getMapAsync(this); + } + } + + @Override + public void onMapReady(final MapboxMap map) { + mapboxMap = map; + initFab(); + } + + private void initFab() { + findViewById(R.id.fab).setOnClickListener(view -> { + view.setVisibility(View.GONE); + + CameraPosition animatedPosition = new CameraPosition.Builder() + .target(new LatLng(37.789992, -122.402214)) + .tilt(60) + .zoom(14.5f) + .bearing(135) + .build(); + + createExampleAnimator(mapboxMap.getCameraPosition(), animatedPosition).start(); + }); + } + + // + // Animator API used for the animation on the FAB + // + + private Animator createExampleAnimator(CameraPosition currentPosition, CameraPosition targetPosition) { + AnimatorSet animatorSet = new AnimatorSet(); + animatorSet.play(createLatLngAnimator(currentPosition.target, targetPosition.target)); + animatorSet.play(createZoomAnimator(currentPosition.zoom, targetPosition.zoom)); + animatorSet.play(createBearingAnimator(currentPosition.bearing, targetPosition.bearing)); + animatorSet.play(createTiltAnimator(currentPosition.tilt, targetPosition.tilt)); + return animatorSet; + } + + private Animator createLatLngAnimator(LatLng currentPosition, LatLng targetPosition) { + ValueAnimator latLngAnimator = ValueAnimator.ofObject(new LatLngEvaluator(), currentPosition, targetPosition); + latLngAnimator.setDuration((long) (1000 * ANIMATION_DELAY_FACTOR)); + latLngAnimator.setInterpolator(new FastOutSlowInInterpolator()); + latLngAnimator.addUpdateListener(animation -> mapboxMap.setLatLng((LatLng) animation.getAnimatedValue())); + return latLngAnimator; + } + + private Animator createZoomAnimator(double currentZoom, double targetZoom) { + ValueAnimator zoomAnimator = ValueAnimator.ofFloat((float) currentZoom, (float) targetZoom); + zoomAnimator.setDuration((long) (2200 * ANIMATION_DELAY_FACTOR)); + zoomAnimator.setStartDelay((long) (600 * ANIMATION_DELAY_FACTOR)); + zoomAnimator.setInterpolator(new AnticipateOvershootInterpolator()); + zoomAnimator.addUpdateListener(animation -> mapboxMap.setZoom((Float) animation.getAnimatedValue())); + return zoomAnimator; + } + + private Animator createBearingAnimator(double currentBearing, double targetBearing) { + ValueAnimator bearingAnimator = ValueAnimator.ofFloat((float) currentBearing, (float) targetBearing); + bearingAnimator.setDuration((long) (1000 * ANIMATION_DELAY_FACTOR)); + bearingAnimator.setStartDelay((long) (1000 * ANIMATION_DELAY_FACTOR)); + bearingAnimator.setInterpolator(new FastOutLinearInInterpolator()); + bearingAnimator.addUpdateListener(animation -> mapboxMap.setBearing((Float) animation.getAnimatedValue())); + return bearingAnimator; + } + + private Animator createTiltAnimator(double currentTilt, double targetTilt) { + ValueAnimator tiltAnimator = ValueAnimator.ofFloat((float) currentTilt, (float) targetTilt); + tiltAnimator.setDuration((long) (1000 * ANIMATION_DELAY_FACTOR)); + tiltAnimator.setStartDelay((long) (1500 * ANIMATION_DELAY_FACTOR)); + tiltAnimator.addUpdateListener(animation -> mapboxMap.setTilt((Float) animation.getAnimatedValue())); + return tiltAnimator; + } + + // + // Interpolator examples + // + + private Animator obtainExampleInterpolator(int menuItemId) { + return animators.get(menuItemId).build(); + } + + @Override + public boolean onCreateOptionsMenu(Menu menu) { + getMenuInflater().inflate(R.menu.menu_animator, menu); + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + if (mapboxMap == null) { + return false; + } + findViewById(R.id.fab).setVisibility(View.GONE); + resetCameraPosition(); + playAnimation(item.getItemId()); + return super.onOptionsItemSelected(item); + } + + private void resetCameraPosition() { + mapboxMap.moveCamera(CameraUpdateFactory.newCameraPosition( + new CameraPosition.Builder() + .target(START_LAT_LNG) + .zoom(11) + .bearing(0) + .tilt(0) + .build() + )); + } + + private void playAnimation(int itemId) { + Animator animator = obtainExampleInterpolator(itemId); + if (animator != null) { + animator.start(); + } + } + + private Animator obtainExampleInterpolator(Interpolator interpolator, long duration) { + ValueAnimator zoomAnimator = ValueAnimator.ofFloat(11.0f, 16.0f); + zoomAnimator.setDuration((long) (duration * ANIMATION_DELAY_FACTOR)); + zoomAnimator.setInterpolator(interpolator); + zoomAnimator.addUpdateListener(animation -> mapboxMap.setZoom((Float) animation.getAnimatedValue())); + return zoomAnimator; + } + + // + // MapView lifecycle + // + + @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(); + mapView.onDestroy(); + } + + @Override + public void onLowMemory() { + super.onLowMemory(); + mapView.onLowMemory(); + } + + /** + * Helper class to evaluate LatLng objects with a ValueAnimator + */ + private static class LatLngEvaluator implements TypeEvaluator<LatLng> { + + private final LatLng latLng = new LatLng(); + + @Override + public LatLng evaluate(float fraction, LatLng startValue, LatLng endValue) { + latLng.setLatitude(startValue.getLatitude() + + ((endValue.getLatitude() - startValue.getLatitude()) * fraction)); + latLng.setLongitude(startValue.getLongitude() + + ((endValue.getLongitude() - startValue.getLongitude()) * fraction)); + return latLng; + } + } + + interface AnimatorBuilder { + Animator build(); + } +} |