Android solves the problem of build path errors _android

After you create a new Eclipse-android project, such as Test2, copy several packages from other items into test2.
The following errors always occur at compile time:

? mainly see article Three: The project cannot is built until build path errors are resolved

The reason for this error is that the main package name configured in Androidmanifest.xml is inconsistent with the package that is configured in Androidmanifest.xml in the activtiy.

The method of modification is:

1. In Androidmanifest.xml, locate the following red object:

<activity
Android:name= ". Mainactivity "
......
</activity>

2. Determine the name of the package where the mainactivity is located, and fill it with the following red object.

<manifest xmlns:android= "Http://schemas.android.com/apk/res/android"
Package= "Com.android.packagename"

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