我的主屏幕有一个过程,可能需要20-30秒才能将信息加载到屏幕上。当这种情况发生时,屏幕只是黑色的。我曾尝试使用ProgressDialog让用户知道进程正在运行,但由于屏幕是黑色的,您看不到它。我可以刷新屏幕以使对话框可见吗?还是需要在后台运行初始进程以使屏幕可见?
I m relatively new to Android development. I m developing an app with a ListView. I ve followed the info in #1338475 and have my app recognizing the fling gesture, but after the gesture is complete, ...