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我正在尝试生成已签名的apk版本。但跟上消息框下面的警告失败：无法在android studio中生成已签名的apk
Error:Execution failed for task ':msapp_V_520:transformClassesAndResourcesWithProguardForRelease'.
> java.io.IOException: Please correct the above warnings first.
我试图在我的proguard-rules.pro文件中添加-dontwarn和-dontnote来解决这个问题。几乎没有警告已经消失，但仍然出现错误。我没有得到我需要做什么才能解决这些警告并生成apk。这是我在消息框中我得到：
Note: there were 6 references to unknown classes.
You should check your configuration for typos.
(http://proguard.sourceforge.net/manual/troubleshooting.html#unknownclass)
Note: there were 4 classes trying to access generic signatures using reflection.
You should consider keeping the signature attributes
(using '-keepattributes Signature').
(http://proguard.sourceforge.net/manual/troubleshooting.html#attributes)
Note: there were 80 unkept descriptor classes in kept class members.
You should consider explicitly keeping the mentioned classes
(using '-keep').
(http://proguard.sourceforge.net/manual/troubleshooting.html#descriptorclass)
Note: there were 17 unresolved dynamic references to classes or interfaces.
You should check if you need to specify additional program jars.
(http://proguard.sourceforge.net/manual/troubleshooting.html#dynamicalclass)
Note: there were 1 class casts of dynamically created class instances.
You might consider explicitly keeping the mentioned classes and/or
their implementations (using '-keep').
(http://proguard.sourceforge.net/manual/troubleshooting.html#dynamicalclasscast)
Note: there were 4 accesses to class members by means of introspection.
You should consider explicitly keeping the mentioned class members
(using '-keep' or '-keepclassmembers').
(http://proguard.sourceforge.net/manual/troubleshooting.html#dynamicalclassmember)
Warning:there were 4 unresolved references to classes or interfaces.
You may need to add missing library jars or update their versions.
If your code works fine without the missing classes, you can suppress
the warnings with '-dontwarn' options.
(http://proguard.sourceforge.net/manual/troubleshooting.html#unresolvedclass)
Warning:Exception while processing task java.io.IOException: Please correct the above warnings first.
:msapp_V_520:transformClassesAndResourcesWithProguardForRelease FAILED
Error:Execution failed for task ':msapp_V_520:transformClassesAndResourcesWithProguardForRelease'.
> java.io.IOException: Please correct the above warnings first.
proguard-rules.pro文件
# Add project specific ProGuard rules here.
# By default, the flags in this file are appended to flags specified
# in D:\user\SDK/tools/proguard/proguard-android.txt
# You can edit the include path and order by changing the proguardFiles
# directive in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# Add any project specific keep options here:
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
-dontwarn com.nostra13.example.universalimageloader.**
-dontnote com.nostra13.example.universalimageloader.**
-dontwarn com.facbook.**
-dontnote com.facbook.**
-dontwarn com.ikimuhendis.ldrawer.**
-dontnote com.ikimuhendis.ldrawer.**
-dontwarn com.loadindicators.adrianlesniak.library.**
-dontnote com.loadindicators.adrianlesniak.library.**
-dontwarn com.handmark.pulltorefresh.library.**
-dontnote com.handmark.pulltorefresh.library.**
-dontwarn com.pullToRefresh.**
的build.gradle文件
buildscript {
repositories {
maven { url 'https://maven.fabric.io/public' }
}
dependencies {
classpath 'io.fabric.tools:gradle:1.+'
}
}
apply plugin: 'com.android.application'
apply plugin: 'io.fabric'
repositories {
maven { url 'https://maven.fabric.io/public' }
}
android {
signingConfigs {
config {
storeFile file('keystorePath')
storePassword 'xyz...'
keyAlias 'xyz...'
keyPassword 'somePwd'
}
}
compileSdkVersion 23
buildToolsVersion "23.0.3"
defaultConfig {
applicationId "com.example..."
minSdkVersion 14
targetSdkVersion 20
useLibrary 'org.apache.http.legacy'
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_7
targetCompatibility JavaVersion.VERSION_1_7
}
signingConfig signingConfigs.config
}
buildTypes {
release {
minifyEnabled true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
signingConfig signingConfigs.config
}
debug {
signingConfig signingConfigs.config
}
}
dexOptions {
incremental true
}
productFlavors {
}
}
dependencies {
compile project(':comnostra13exampleuniversalimageloaderHomeActivity')
compile project(':nineoldandroid')
compile project(':libraryActionbar')
compile project(':pullToRefresh')
compile project(':facebook')
compile 'com.google.android.gms:play-services:+'
compile 'com.android.support:appcompat-v7:23.3.0'
compile files('libs/AF-Android-SDK-v2.3.1.19.jar')
compile files('libs/classes.jar')
compile files('libs/CleverTapAndroidSDK-v1-20150903.jar')
compile files('libs/YouTubeAndroidPlayerApi.jar')
compile project(':LoadIndicatorLibrary')
compile 'com.nispok:snackbar:2.11.+'
compile('com.crashlytics.sdk.android:crashlytics:[email protected]') {
transitive = true;
}
}
尝试清理所有项目！ –
@NiravRanpara也尝试过...但仍然得到相同的警告消息。 – Ruchir
请参阅此[链接]（http://stackoverflow.com/a/33953133/2078074）。希望它可以帮助你。 – Lawrance