把其中的一个设置成libraryhttp://developer.android.com/guide/developing/projects/projects-eclipse.html Setting up a Library ProjectA library project is a standard Android project, so you can create a new one in the same way as you would a new application project.When you are creating the library project, you can select any application name, package, and set other fields as needed, as shown in figure 1.Next, set the project's properties to indicate that it is a library project:In the Package Explorer, right-click the library project and select Properties. In the Properties window, select the "Android" properties group at left and locate the Library properties at right. Select the "is Library" checkbox and click Apply. Click OK to close the Properties window. The new project is now ed as a library project. You can begin moving source code and resources into it, as described in the sections below.You can also convert an existing application project into a library. To do so, simply open the Properties for the project and select the "is Library" checkbox. Other application projects can now reference the existing project as a library project.
放到工程/res/raw文件夹，即可，如果你的文件小于1MB可以放到assets文件夹，但是大于1MB是无法读取的
Setting up a Library ProjectA library project is a standard Android project, so you can create a new one in the same way as you would a new application project.When you are creating the library project, you can select any application name, package, and set other fields as needed, as shown in figure 1.Next, set the project's properties to indicate that it is a library project:In the Package Explorer, right-click the library project and select Properties.
In the Properties window, select the "Android" properties group at left and locate the Library properties at right.
Select the "is Library" checkbox and click Apply.
Click OK to close the Properties window.
The new project is now ed as a library project. You can begin moving source code and resources into it, as described in the sections below.You can also convert an existing application project into a library. To do so, simply open the Properties for the project and select the "is Library" checkbox. Other application projects can now reference the existing project as a library project.
然后作为资源来安装吧
LOCAL_SRC_FILES := $(LOCAL_MODULE).apk不行的话，再试试把apk先合成一个MODULE，再加到一个package里面