A small error caused by using JSON in the Android project

When parsing JSON data, as always, according to the Java development habits, directly to the jar bag test into the project

The results of the following error occurred:

Dex Loader] Unable to execute Dex:multiple Dex files define Lorg/apache/commons/collections/buffer;
Abcpcsclient] conversion to Dalvik format failed:unable to execute dex:multiple Dex files define Lorg/apache/commons/col Lections/buffer;

Reason:

The jar package added here conflicts with the Android-led jar

Workaround:

Remove the above jar pack and use the Android self-brought JSON tool class