ANDROID STUDIO - how to make a backup copy of the project -

how can make backup copy of project in android studio. tried copy folder of project, had problems assembly of project. application not work properly.

build.gradle files:

// top-level build file can add configuration options common sub-projects/modules.  buildscript {     repositories {         jcenter()     }     dependencies {         classpath 'com.android.tools.build:gradle:1.2.3'          // note: not place application dependencies here; belong         // in individual module build.gradle files     } }  allprojects {     repositories {         jcenter()     } } 

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apply plugin: 'com.android.application'  android {     compilesdkversion 22     buildtoolsversion "22.0.1"      defaultconfig {         applicationid "com.example.ss.new_my_wid"         minsdkversion 19         targetsdkversion 22         versioncode 1         versionname "1.0"     }     buildtypes {         release {             minifyenabled false             proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro'         }     } }  dependencies {     compile filetree(include: ['*.jar'], dir: 'libs')     compile 'com.android.support:appcompat-v7:22.2.0' } 

go andoridstudioprojects folder , find project. convert zip file , save in somewhere extract , import project android studio whenever need,it work.