android中的图像幻灯片放映

Question

我想在android中将图像显示为幻灯片放映.该图像将以json数据格式来自服务器.你能告诉我如何在显示图像的图像滑块中传递图像.在json中来自服务器的图像数量,它是完全动态的,一组图像......

Answer 1

最初您需要做的是计算来自json的图像.当您获得所有图像时,您可以使用horizo​​ndal页面向用户显示它.它有助于在此链接中更改每次滑动中的图像.否则你可以使用两个框架,并可以设置两个动画,并像滑块一样显示它.我认为这段代码将帮助你.

if (imagesetflag == true) {
                Right_to_left_in = AnimationUtils.loadAnimation(this,
                        R.anim.right_to_left_in);
                Right_to_left_out = AnimationUtils.loadAnimation(this,
                        R.anim.right_to_left_out);
                left_to_Right_in = AnimationUtils.loadAnimation(this,
                        R.anim.left_to_right_in);
                Left_to_Right_out = AnimationUtils.loadAnimation(this,
                        R.anim.left_to_right_out);

                frame1.setImageBitmapReset(decryptedimage, 0, true);
                TVpagenum.setText("Page no:" + Currentpage + "/"
                        + countOfPages);
                frame1.bringToFront();
                frame1.setVisibility(View.VISIBLE);
                frame2.setVisibility(View.INVISIBLE);
                frame1.setAnimation(Right_to_left_in);
                frame2.setAnimation(Right_to_left_out);                                     
                imagesetflag = false;
            } else {
                Right_to_left_in = AnimationUtils.loadAnimation(this,
                        R.anim.right_to_left_in);
                Right_to_left_out = AnimationUtils.loadAnimation(this,
                        R.anim.right_to_left_out);
                left_to_Right_in = AnimationUtils.loadAnimation(this,
                        R.anim.left_to_right_in);
                Left_to_Right_out = AnimationUtils.loadAnimation(this,
                        R.anim.left_to_right_out);

                frame2.setImageBitmapReset(decryptedimage, 0, true);
                TVpagenum.setText("Page no:" + Currentpage + "/"
                        + countOfPages);
                frame2.bringToFront();
                frame2.setVisibility(View.VISIBLE);
                frame1.setVisibility(View.INVISIBLE);
                frame2.setAnimation(Right_to_left_in);
                frame1.setAnimation(Right_to_left_out);                 
                imagesetflag = true;
            }