flip Views - Android User Interface

Android examples for User Interface:View

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Description

flip Views

Demo Code


import android.animation.Animator;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.content.Context;
import android.util.Log;
import android.view.View;
import android.widget.TextView;

public class Main{
    private final static String TAG = "";
    public static void flipViews(final View viewToScaleDown,
            final View viewToScaleUp) {
        if (viewToScaleDown == null || viewToScaleUp == null) {
            Log.e(TAG, "Attempting to make changes on a null view.");
            return;
        }/* w w w  .j av a2s.  com*/

        Context context = viewToScaleDown.getContext();
        int duration = context.getResources().getInteger(
                android.R.integer.config_shortAnimTime) / 2;

        ObjectAnimator scaleDownX = ObjectAnimator.ofFloat(viewToScaleDown,
                "scaleX", 1.0f, 0.0f);
        scaleDownX.setDuration(duration);

        ObjectAnimator scaleUpX = ObjectAnimator.ofFloat(viewToScaleUp,
                "scaleX", 0.0f, 1.0f);
        scaleUpX.setDuration(duration);

        scaleDownX.addListener(new Animator.AnimatorListener() {
            @Override
            public void onAnimationStart(Animator animation) {

            }

            @Override
            public void onAnimationEnd(Animator animation) {
                viewToScaleDown.setVisibility(View.INVISIBLE);
                viewToScaleDown.setScaleX(1.0f);
                viewToScaleUp.setVisibility(View.VISIBLE);
            }

            @Override
            public void onAnimationCancel(Animator animation) {

            }

            @Override
            public void onAnimationRepeat(Animator animation) {

            }
        });

        AnimatorSet flip = new AnimatorSet();
        flip.playSequentially(scaleDownX, scaleUpX);

        flip.start();
    }
}

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