Method 1: eclipse-> Project-> remove build automatically-> clear-> build project-> build automatically, disable eclipse, and enable Method 2: update the ADT plug-in, delete. metadata directory method 3: A folder under your project has a suffix *. delete the APK file and restart eclipse. Method 4: The cause is repeated. Jar is referenced. You can view your build path. In particular, Android dependencies must have repeatedly introduced. Jar packages. The solution is to delete duplicate jar files in libs. Method 5: In the project, the package name of a class is the same as the class in the referenced jar package. I use the class in the jar package, therefore, this class in the project is referenced repeatedly. After the class that is referenced repeatedly in the project is deleted, it is packaged and started.
The above is the searched method!
Solution (method 4 ):
Java build path --> libraries --> Android private libraries, the android-support-support-v4.jar is repeated, delete it.
Unable to execute DEX: Multiple Dex files define
