我用ViewPager用Fragment.
但它一次加载两页.
有没有办法在viewpager中只加载一个页面?
android android-fragments android-viewpager fragmentstatepageradapter
我想使用端点API将对象或列表数组发送到app引擎
@ApiMethod(name = "insertGroupMembers")
public List<GroupMembers> insertGroupMembers(Collection<GroupMembers> members) {
EntityManager mgr = getEntityManager();
List<GroupMembers> listMembers = new ArrayList<>();
try {
for (GroupMembers groupMember : members) {
mgr.persist(groupMember);
listMembers.add(groupMember);
}
} finally {
mgr.close();
return listMembers;
}
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但是它显示了生成api库时的错误如下: -
说明资源路径位置类型生成Cloud Endpoints类的API元数据时出现问题:com.google.api.server.spi.config.validation.CollectionResourceException:groupmembersendpoint.com.appbell.tagalone.GroupMembersEndpoint.insertGroupMembers参数(类型java .util.Collection):非法参数类型(集合类型'java.util.Collection'中的'class com.appbell.tagalone.GroupMembers').不允许使用数组或实体类型集合.TagAlone-AppEngine未知的Google App Engine云端点问题标记