- Caused by: org.litepal.exceptions.InvalidAttributesException: dbname is empty or not defined in litepal.xml file
assets 目录下的 litepal 忘了加后缀
- 'android.view.Window$Callback android.view.Window.getCallback()' on a null object reference
findViewById 不能在 setContentView(R.layout.activity_main) 的前面
-
Recyclerview 子项间距差了一个 match_parent 距离
Recyclerview 的 item 视图时,把 layout_height 写成 match_parent
- listview 滚动时顶部不能填充
添加配置android:clipToPadding="false"
参考: https://blog.csdn.net/litefish/article/details/52471273
- java.lang.NullPointerException: Attempt to get length of null array
添加读写SD卡的权限, 另外记得权限申请需要放在读写操作之前
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEM"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
- 编译不通过
添加其他仓库
allprojects {
repositories {
jcenter()
maven {
url "https://maven.google.com"
}
google()
mavenCentral()
mavenLocal()
}
}