我正在尝试从命令行使用Gradle构建一个Android项目,但是当我想要更改目录结构时发现了一个问题。
目前是这样的:
.
└── main
├── AndroidManifest.xml
├── ic_launcher-web.png
├── java
│ └── com
│ └── myproject
│ └── MainActivity.java
└── res
├── ...
├── layout
│ ├── activity_main.xml
│ └── fragment_main.xml
├── ...
...
然后我执行:
./gradlew clean build
结束于:
BUILD SUCCESSFUL
好。 一切都很好。 但现在我想创建一个新目录,所以:
我创建一个ui目录并在那里移动MainActivity.java :
.
└── main
├── AndroidManifest.xml
├── ic_launcher-web.png
├── java
│ └── com
│ └── myproject
│ └── ui
│ └── MainActivity.java
└── res
├── ...
├── layout
│ ├── activity_main.xml
│ └── fragment_main.xml
├── ...
...
修改其包裹:
package com.myproject.ui;
// imports
public class MainActivity extends ActionBarActivity {
...
}
在AndroidManifest.xml修改其android:name属性:
android:name=".ui.MainActivity"
android:label="@string/app_name" >
...
并尝试再次编译它:
./gradlew clean build
有以下错误:
/home/birei/MyDummyProject/MyProject/src/main/java/com/myproject/ui/MainActivity.java:19: error: package R does not exist
setContentView(R.layout.activity_main);
^
/home/birei/MyDummyProject/MyProject/src/main/java/com/myproject/ui/MainActivity.java:23: error: package R does not exist
.add(R.id.container, new PlaceholderFragment())
^
/home/birei/MyDummyProject/MyProject/src/main/java/com/myproject/ui/MainActivity.java:33: error: package R does not exist
getMenuInflater().inflate(R.menu.main, menu);
^
/home/birei/MyDummyProject/MyProject/src/main/java/com/myproject/ui/MainActivity.java:43: error: package R does not exist
if (id == R.id.action_settings) {
^
/home/birei/MyDummyProject/MyProject/src/main/java/com/myproject/ui/MainActivity.java:60: error: package R does not exist
View rootView = inflater.inflate(R.layout.fragment_main, container, false);
BUILD FAILED
我究竟做错了什么? 有任何想法吗?
谢谢。