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Add interpolator examples #10067
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Add interpolator examples #10067
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tobrun
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Guardiola31337
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Sep 29, 2017
| } | ||
| findViewById(R.id.fab).setVisibility(View.GONE); | ||
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| // reset camera to init position |
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What about extracting this block of code into a private method and give it a name based on the comment? This way onOptionsItemSelected will be easier to read and understand and comment will become superfluous so it won't be necessary.
| .build() | ||
| )); | ||
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| // play animation |
| } | ||
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| private Animator createExamepleInterpolator(int menuItemId) { | ||
| switch (menuItemId) { |
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What about removing the switch using a map/dictionary? AnimatorSets could be created beforehand and inserted into a map using the different menu ids as values.
tobrun
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@tobrun I found a crash when testing these examples when clicking the different options back and forth logcatSymbolicated Android crashMoto X (2nd gen) Android 5.0 |
| } | ||
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| private Animator createExamepleInterpolator(int menuItemId) { | ||
| switch (menuItemId) { |
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I was thinking something like this
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
index 134086145..c6e3c7a05 100644
--- 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
@@ -25,6 +25,9 @@ import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.testapp.R;
+import java.util.HashMap;
+import java.util.Map;
+
/**
* Test activity showcasing using Android SDK animators to animate camera position changes.
*/
@@ -206,27 +209,50 @@ public class CameraAnimatorActivity extends AppCompatActivity implements OnMapRe
}
}
- private Animator createExamepleInterpolator(int menuItemId) {
- switch (menuItemId) {
- case R.id.menu_action_accelerate_decelerate_interpolator:
- AnimatorSet animatorSet = new AnimatorSet();
- animatorSet.playTogether(
- createLatLngAnimator(START_LAT_LNG, new LatLng(37.826715, -122.422795)),
- createExampleInterpolator(new FastOutSlowInInterpolator(), 2500));
- return animatorSet;
- case R.id.menu_action_bounce_interpolator:
- AnimatorSet bounceAnimatorSet = new AnimatorSet();
- bounceAnimatorSet.playTogether(
- createLatLngAnimator(START_LAT_LNG, new LatLng(37.787947, -122.407432)),
- createExampleInterpolator(new BounceInterpolator(), 3750)
- );
- return bounceAnimatorSet;
- case R.id.menu_action_anticipate_overshoot_interpolator:
- return createExampleInterpolator(new AnticipateOvershootInterpolator(), 2500);
- case R.id.menu_action_path_interpolator:
- return createExampleInterpolator(PathInterpolatorCompat.create(.22f, .68f, 0, 1.71f), 2500);
+ private final Map<Integer, AnimatorBuilder> ANIMATORS = new HashMap<Integer, AnimatorBuilder>() {
+ {
+ put(R.id.menu_action_accelerate_decelerate_interpolator, new AnimatorBuilder() {
+ @Override
+ public Animator build() {
+ AnimatorSet animatorSet = new AnimatorSet();
+ animatorSet.playTogether(
+ createLatLngAnimator(START_LAT_LNG, new LatLng(37.826715, -122.422795)),
+ createExampleInterpolator(new FastOutSlowInInterpolator(), 2500));
+ return animatorSet;
+ }
+ });
+ put(R.id.menu_action_bounce_interpolator, new AnimatorBuilder() {
+ @Override
+ public Animator build() {
+ AnimatorSet bounceAnimatorSet = new AnimatorSet();
+ bounceAnimatorSet.playTogether(
+ createLatLngAnimator(START_LAT_LNG, new LatLng(37.787947, -122.407432)),
+ createExampleInterpolator(new BounceInterpolator(), 3750)
+ );
+ return bounceAnimatorSet;
+ }
+ });
+ put(R.id.menu_action_anticipate_overshoot_interpolator, new AnimatorBuilder() {
+ @Override
+ public Animator build() {
+ return createExampleInterpolator(new AnticipateOvershootInterpolator(), 2500);
+ }
+ });
+ put(R.id.menu_action_path_interpolator, new AnimatorBuilder() {
+ @Override
+ public Animator build() {
+ return createExampleInterpolator(PathInterpolatorCompat.create(.22f, .68f, 0, 1.71f), 2500);
+ }
+ });
}
- return null;
+ };
+
+ interface AnimatorBuilder {
+ Animator build();
+ }
+
+ private Animator createExamepleInterpolator(int menuItemId) {
+ return ANIMATORS.get(menuItemId).build();
}
private Animator createExampleInterpolator(Interpolator interpolator, long duration) {
What do you think @tobrun?
tobrun
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@Guardiola31337 neat, has been adapted, additionally changed target branch to release-agua. |
Guardiola31337
approved these changes
Oct 10, 2017
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| private final LatLng latLng = new LatLng(); | ||
| private Animator createExampleInterpolator(int menuItemId) { |
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One minor thing, what about changing the name of the method here to obtainExampleAnimator(int menuItemId) instead? We're not actually creating the animators here and there's another method with the same exact name (createExampleInterpolator(Interpolator interpolator, long duration)) which makes it kinda confusing.
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This was referenced Nov 14, 2017
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This PR adds a couple of examples around using animators and interpolators.
cc @mapbox/android