WelcomeUtil.java 文件源码

public static void open(final Activity activity, String imageUrl, final OnWelcomeDone onWelcomeDone) {
    activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
    activity.requestWindowFeature(Window.FEATURE_NO_TITLE);
    final View welcome = LayoutInflater.from(activity).inflate(R.layout.welcome, null);
    final AlphaAnimation alphaAnimation = new AlphaAnimation(0.0f, 1.0f);
    alphaAnimation.setDuration(1000);
    welcome.startAnimation(alphaAnimation);
    Glide.with(activity).load(imageUrl).into(((ImageView) welcome.findViewById(R.id.iv_welcome)));
    activity.setContentView(welcome);
    final TextView skipView = (TextView) welcome.findViewById(R.id.tv_skip);

    final CountDownTimer start = new CountDownTimer(5000, 1000) {
        @Override
        public void onTick(long millisUntilFinished) {
            skipView.setText("跳过" + ((millisUntilFinished / 1000) - 1));
        }

        @Override
        public void onFinish() {
            AlphaAnimation alphaAnimation1 = new AlphaAnimation(1.0f, 0.0f);
            alphaAnimation1.setDuration(1000);
            welcome.startAnimation(alphaAnimation1);
            if (onWelcomeDone != null) {
                onWelcomeDone.onDone();
            }
        }
    }.start();
    skipView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            start.onFinish();
        }
    });

}