java - 第一个android项目构建错误

Question

我刚刚尝试使用 Android + Java。

我正在遵循本指南: http://developer.android.com/training/basics/firstapp/index.html

一切都按原样进行。我仅将“DisplayMessageActivity”类名更改为“DisplayMsgActivity”我已经更新了 list 以及对此类的所有引用，但我仍然收到 2 个错误:

-compile:
[javac] Compiling 4 source files to /home/juanchi/Dropbox/Dev/ArrayAppProject/bin/classes
[javac] /home/juanchi/Dropbox/Dev/ArrayAppProject/src/com/jnix/arrayapp/DisplayMsgActivity.java:7: duplicate class: DisplayMsgActivity
[javac] public class DisplayMsgActivity extends Activity {
[javac]        ^
[javac] /home/juanchi/Dropbox/Dev/ArrayAppProject/src/com/jnix/arrayapp/ArrayAppActivity.java:20: cannot access com.jnix.arrayapp.DisplayMsgActivity
[javac] bad class file: RegularFileObject[/home/juanchi/Dropbox/Dev/ArrayAppProject/src/com/jnix/arrayapp/DisplayMsgActivity.java]
[javac] file does not contain class com.jnix.arrayapp.DisplayMsgActivity
[javac] Please remove or make sure it appears in the correct subdirectory of the classpath.
[javac]         Intent intent = new Intent(this, DisplayMsgActivity.class);
[javac]                                          ^
[javac] 2 errors

构建失败/home/juanchi/android-sdks/tools/ant/build.xml:680:执行此行时发生以下错误:/home/juanchi/android-sdks/tools/ant/build.xml:693:编译失败；有关详细信息，请参阅编译器错误输出。

总时间:5秒

有什么想法吗？

Answer 1

尝试声明:

package com.jnix.arrayapp

在文件 DisplayMsgActivity 的顶部