我正在使用 android 示例应用 FragmentPagerSupport.java 来实现页面之间的幻灯片效果。每个页面都包含一个由线程加载的 HTTP 图像。我的片段的 onCreateView() 正在为图像做加载工作。现在我的问题是,我不知道如何将加载的图像位图绘制到在 onCreateView 中创建的 ImageView 上,有什么想法可以强制调用 Fragment 的 onCreateView 吗?
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_pager_list, container, false);
View tv = v.findViewById(R.id.text);
((TextView)tv).setText("第 #" + mNum + " 篇");
ImageView iv = (ImageView)v.findViewById(R.id.imageView);
final String pic = FragmentPagerSupport.items.get(mNum).thumb;
Log.e("tag ", "on create view on");
MyItem mi = FragmentPagerSupport.items.get(mNum);
if (mi.bm != null) {
Log.e("tag", "setbitmap for " + mNum);
iv.setImageBitmap(mi.bm);
} else {
new Thread(new Runnable() {
public void run() {
int m = mNum;
final Bitmap bm = loadBitmap(pic);
MyItem mi = FragmentPagerSupport.items.get(m);
mi.bm = bm;
Log.e("tab", "finishing load bitmap for " + m);
// here I want the bitmap can be drawn to the ImageView which is inside the fragment.
}
}).start();
}
return v;
}