show View with Scale Animation - Android Animation

Android examples for Animation:Scale Animation

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Description

show View with Scale Animation

Demo Code


import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.support.v4.view.animation.LinearOutSlowInInterpolator;
import android.view.View;
import android.view.animation.Interpolator;

public class Main{
    private static final int SHOW_HIDE_ANIM_DURATION = 400;
    private static final Interpolator LINEAR_OUT_SLOW_IN_INTERPOLATOR = new LinearOutSlowInInterpolator();
    public static void show(final View view,
            final InternalVisibilityChangedListener listener) {
        if (view.getVisibility() == View.VISIBLE)
            return;

        view.animate().cancel();/*w  w w. j a va2s . co  m*/

        view.setAlpha(0f);
        view.setScaleY(0f);
        view.setScaleX(0f);

        view.animate().scaleX(1f).scaleY(1f).alpha(1f)
                .setDuration(SHOW_HIDE_ANIM_DURATION)
                .setInterpolator(LINEAR_OUT_SLOW_IN_INTERPOLATOR)
                .setListener(new AnimatorListenerAdapter() {
                    @Override
                    public void onAnimationStart(Animator animation) {
                        view.setVisibility(View.VISIBLE);
                    }

                    @Override
                    public void onAnimationEnd(Animator animation) {
                        if (listener != null)
                            listener.onShown();
                        super.onAnimationEnd(animation);
                    }
                });

    }
}

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