注意该.so库指的是android平台的,非一般linux.unix平台:1.现有库libcom_ycan_testLib.so2.新建android项目TestLib23.添加新类:类名:testLib包路径:参考现有库名,应为com.ycan4.在新类中声明库的本地方法,如下: package com.ycan; public class testLib { public native int add (int a, int b); public native int sub (int a,…
官方有话这样说: A RemoteViews object (and, consequently, an App Widget) can support the following layout classes: FrameLayout LinearLayout RelativeLayout And the following widget classes: AnalogClock Button Chronometer ImageButton ImageView ProgressBar Text…
java.lang.ClassCastException: android.view.AbsSavedState$1 cannot be cast to android.widget.ProgressBar$SavedState 这个问题折腾了老半天,后来才发现是因为不同布局文件中有重名的控件,而且在要显示的Activity中同时用到了这些布局,所以导致这个问题.…