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Break out rotation animation into animation utils

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This commit is contained in:
anthony restaino 2017-05-06 19:58:12 -04:00
parent 086f915e20
commit 6f4e4115d8
2 changed files with 55 additions and 46 deletions
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52
app/src/main/java/acr/browser/lightning/animation/AnimationUtils.java Normal file
View File

@ -0,0 +1,52 @@
package acr.browser.lightning.animation;
import android.support.annotation.DrawableRes;
import android.support.annotation.NonNull;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.view.animation.Animation;
import android.view.animation.Transformation;
import android.widget.ImageView;
/**
* Animation specific helper code.
*/
public class AnimationUtils {
/**
* Creates an animation that rotates an {@link ImageView}
* around the Y axis by 180 degrees and changes the image
* resource shown when the view is rotated 90 degrees to the user.
*
* @param imageView the view to rotate.
* @param drawableRes the drawable to set when the view
* is rotated by 90 degrees.
* @return an animation that will change the image shown by the view.
*/
@NonNull
public static Animation createRotationTransitionAnimation(@NonNull final ImageView imageView,
@DrawableRes final int drawableRes) {
Animation animation = new Animation() {
private boolean mSetFinalDrawable;
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
if (interpolatedTime < 0.5f) {
imageView.setRotationY(90 * interpolatedTime * 2f);
} else {
if (!mSetFinalDrawable) {
mSetFinalDrawable = true;
imageView.setImageResource(drawableRes);
}
imageView.setRotationY((-90) + (90 * (interpolatedTime - 0.5f) * 2f));
}
}
};
animation.setDuration(300);
animation.setInterpolator(new AccelerateDecelerateInterpolator());
return animation;
}
}

49
app/src/main/java/acr/browser/lightning/fragment/BookmarksFragment.java
View File

@ -16,10 +16,7 @@ import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.Animation;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Transformation;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;
@ -40,6 +37,7 @@ import javax.inject.Inject;
import acr.browser.lightning.R;
import acr.browser.lightning.activity.ReadingActivity;
import acr.browser.lightning.activity.TabsManager;
import acr.browser.lightning.animation.AnimationUtils;
import acr.browser.lightning.app.BrowserApp;
import acr.browser.lightning.browser.BookmarksView;
import acr.browser.lightning.constant.Constants;
@ -240,16 +238,6 @@ public class BookmarksFragment extends Fragment implements View.OnClickListener,
}
}
@Override
public void onStart() {
super.onStart();
}
@Override
public void onStop() {
super.onStop();
}
public void reinitializePreferences() {
Activity activity = getActivity();
if (activity == null) {
@ -293,40 +281,9 @@ public class BookmarksFragment extends Fragment implements View.OnClickListener,
resource = R.drawable.ic_action_back;
}
final Animation startRotation = new Animation() {
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
mBookmarkTitleImage.setRotationY(90 * interpolatedTime);
}
};
final Animation finishRotation = new Animation() {
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
mBookmarkTitleImage.setRotationY((-90) + (90 * interpolatedTime));
}
};
startRotation.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
mBookmarkTitleImage.setImageResource(resource);
mBookmarkTitleImage.startAnimation(finishRotation);
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
startRotation.setInterpolator(new AccelerateInterpolator());
finishRotation.setInterpolator(new DecelerateInterpolator());
startRotation.setDuration(250);
finishRotation.setDuration(250);
if (animate) {
mBookmarkTitleImage.startAnimation(startRotation);
Animation transition = AnimationUtils.createRotationTransitionAnimation(mBookmarkTitleImage, resource);
mBookmarkTitleImage.startAnimation(transition);
} else {
mBookmarkTitleImage.setImageResource(resource);
}