解决android打包dex文件方法数溢出的问题

apply
plugin:
'com.android.application'

android {

    compileSdkVersion
19

   
buildToolsVersion
'23.0.1'

   
defaultConfig {

        applicationId
"com.shjy.jingin"

       
minSdkVersion
14

       
targetSdkVersion
21

       
versionCode
1

       
versionName
"1.0"

       
multiDexEnabled
true  //  add this 

   
}

    buildTypes {

        release {

            minifyEnabled
false

           
proguardFiles getDefaultProguardFile(
'proguard-android.txt'),
'proguard-rules.pro'

       
}

    }

    dexOptions {    //  add this   不加入会内存溢出

        incremental
true

       
javaMaxHeapSize
"4g"

   
}

    sourceSets {

        main {

            jniLibs.srcDirs = ['libs']

        }

    }

    packagingOptions {

        exclude
'META-INF/DEPENDENCIES'

       
exclude
'META-INF/LICENSE'

       
exclude
'META-INF/LICENSE.txt'

       
exclude
'META-INF/license.txt'

       
exclude
'META-INF/NOTICE'

       
exclude
'META-INF/NOTICE.txt'

       
exclude
'META-INF/notice.txt'

       
exclude
'META-INF/ASL2.0'

       
exclude
'META-INF/DEPENDENCIES'

       
exclude
'META-INF/NOTICE'

       
exclude
'META-INF/LICENSE'

   
}

}

dependencies {

    compile
'com.android.support:multidex:'   //  add this  

   
compile fileTree(dir:
'libs',
include: ['*.jar'])

    compile project(':swipelistview'
)

    compile project(':library'
)

    compile project(':android-support-v7-appcompat'
)

}