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picassoだけどfadeをコントロールしたい

Posted at

そんな時ありますよね
glideを使えば良いのかもしれないがガッツリpicassoに染まってしまったアプリを書き直すのは骨が折れる
でも大丈夫、以下のようにすることでpicassoのままfade animationをコントロールすることができます

Picasso.with(context).load(url).noFade().into(imageView, new Callback() {
        @Override
        public void onSuccess() {
            Animation anim = new AlphaAnimation(0, 1);
            anim.setInterpolator(new AccelerateInterpolator());
            anim.setDuration(FADE_DURATION);  // 任意のミリ秒を指定しましょう
            imageView.startAnimation(anim);
        }
        @Override
        public void onError() { () }
    });

これで画像のfade処理も思うがままです

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