輪播圖片
阿新 • • 發佈：2018-12-01
private MyHandler myHandler = new MyHandler();
Gson gson=new Gson(); PicBean picBean = gson.fromJson(json, PicBean.class); List<PicBean.DataBean> list = picBean.getData(); List<ImageView> imageViews=new ArrayList<>(); for (int i = 0; i <list.size() ; i++) { String url = list.get(i).getImg(); ImageView imageView = new ImageView(MyApp.getContext()); imageView.setScaleType(ImageView.ScaleType.CENTER_CROP); ImageLoader.getInstance().displayImage(url,imageView,MyApp.getOptions()); imageViews.add(imageView); } PicAdapter adapter = new PicAdapter(imageViews); f11_pic_view.setAdapter(adapter); // 開始進行自動輪播 myHandler.sendEmptyMessageDelayed(0, 1000);
// handler
class MyHandler extends Handler {
@Override
public void handleMessage(Message msg) {
int currentItem = viewPager.getCurrentItem();
currentItem++;
viewPager.setCurrentItem(currentItem);
myHandler.sendEmptyMessageDelayed(0, 1000);
}
}
// 頁面銷燬的時候，停止handler傳送訊息
@Override
public void onPause() {
super.onPause();
myHandler.removeCallbacksAndMessages(null);
}