最近在接android版本的 firebase等插件,出现了MultiDex的错误,原因是jar包中的方法过多。
使用的unity版本为Unity 2019.1.4f1,自己发现一个简单的解决方法
找到目录[UnityInstallationDirecory]\Editor\Data\PlaybackEngines\AndroidPlayer\Tools\GradleTemplates, 修改目录下的mainTemplate文件
// GENERATED BY UNITY. REMOVE THIS COMMENT TO PREVENT OVERWRITING WHEN EXPORTING AGAIN
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.0'
**BUILD_SCRIPT_DEPS**}
}
allprojects {
repositories {
google()
jcenter()
flatDir {
dirs 'libs'
}
}
}
apply plugin: 'com.android.application'
**APPLY_PLUGINS**
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
**DEPS**}
android {
compileSdkVersion **APIVERSION**
buildToolsVersion '**BUILDTOOLS**'
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
defaultConfig {
multiDexEnabled true
minSdkVersion **MINSDKVERSION**
targetSdkVersion **TARGETSDKVERSION**
applicationId '**APPLICATIONID**'
ndk {
abiFilters **ABIFILTERS**
}
versionCode **VERSIONCODE**
versionName '**VERSIONNAME**'
}
lintOptions {
abortOnError false
}
aaptOptions {
noCompress = ['.unity3d', '.ress', '.resource', '.obb'**STREAMING_ASSETS**]
ignoreAssetsPattern = "!.svn:!.git:!.ds_store:!*.scc:.*:!CVS:!thumbs.db:!picasa.ini:!*~"
}**SIGN**
buildTypes {
debug {
minifyEnabled **MINIFY_DEBUG**
useProguard **PROGUARD_DEBUG**
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-unity.txt'**USER_PROGUARD****SIGNCONFIG**
jniDebuggable true
}
release {
minifyEnabled **MINIFY_RELEASE**
useProguard **PROGUARD_RELEASE**
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-unity.txt'**USER_PROGUARD****SIGNCONFIG**
}
}**PACKAGING_OPTIONS****SPLITS**
**BUILT_APK_LOCATION**
**EXTERNAL_SOURCES**
bundle {
language {
enableSplit = false
}
density {
enableSplit = false
}
abi {
enableSplit = true
}
}
}**SPLITS_VERSION_CODE****REPOSITORIES****SOURCE_BUILD_SETUP**
在defaultConfig中添加 : multiDexEnabled true
重新打包即可