首先我知道这个问题已经存在于stackoverflow中,但我无法解决它,虽然我尝试了不使用-injar、使用packagingOptions等的建议
我知道该版本会起作用,但我喜欢干净的构建。当我生成签名的 apk 时。清理项目后,我得到了这些错误:
Warning:can't write resource [.readme] (Duplicate zip entry [classes.jar:.readme])
Warning:can't write resource [META-INF/LICENSE.txt] (Duplicate zip entry [joda-time-2.8.1.jar:META-INF/LICENSE.txt])
Warning:can't write resource [META-INF/NOTICE.txt] (Duplicate zip entry [joda-time-2.8.1.jar:META-INF/NOTICE.txt])
有时代替 joda-time-2.8.1.jar 有 commons-collections4-4.0.jar(相同的 .readme、licence、notice)警告。
我尝试使用 PackagingOptions 排除那些,但它不起作用。
这是我的模块的 build.gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 22
buildToolsVersion "22.0.1"
packagingOptions {
exclude 'META-INF/LICENSE.txt'
exclude 'META-INF/NOTICE.txt'
exclude '.readme'
}
defaultConfig {
applicationId 'com.example.myapp'
minSdkVersion 15
targetSdkVersion 22
versionCode 1
versionName '0.1'
}
buildTypes {
release {
minifyEnabled true
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
compile 'com.android.support:appcompat-v7:22.2.1'
compile 'org.apache.commons:commons-collections4:4.0'
compile 'org.jsoup:jsoup:1.8.2'
compile 'com.android.support:recyclerview-v7:22.2.0'
compile 'com.android.support:cardview-v7:22.2.0'
compile 'com.android.support:design:22.2.0'
compile 'com.google.android.gms:play-services-gcm:7.5.0'
compile 'joda-time:joda-time:2.8.1'
}
还有我的 proguard-rules.pro 文件
# Defaults
-dontpreverify
-repackageclasses ''
-allowaccessmodification
-optimizations !code/simplification/arithmetic
-keepattributes *Annotation*
-keep public class * extends android.app.Activity
-keep public class * extends android.app.Application
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
-keep public class * extends android.view.View {
public <init>(android.content.Context);
public <init>(android.content.Context, android.util.AttributeSet);
public <init>(android.content.Context, android.util.AttributeSet, int);
public void set*(...);
}
-keepclasseswithmembers class * {
public <init>(android.content.Context, android.util.AttributeSet);
}
-keepclasseswithmembers class * {
public <init>(android.content.Context, android.util.AttributeSet, int);
}
-keepclassmembers class * implements android.os.Parcelable {
static android.os.Parcelable$Creator CREATOR;
}
-keepclassmembers class **.R$* {
public static <fields>;
}
-keep public class * extends android.support.v4.app.Fragment
-keep public class * extends android.app.Fragment
-keepnames class * implements java.io.Serializable
-keepclassmembers class * implements java.io.Serializable {
static final long serialVersionUID;
private static final java.io.ObjectStreamField[] serialPersistentFields;
!static !transient <fields>;
!private <fields>;
!private <methods>;
private void writeObject(java.io.ObjectOutputStream);
private void readObject(java.io.ObjectInputStream);
java.lang.Object writeReplace();
java.lang.Object readResolve();
}
-keepclasseswithmembernames class * {
native <methods>;
}
-keepclassmembers class * {
public void *ButtonClicked(android.view.View);
}
# Use this to prevent errors in builds.
# usage of org.joda.time in this app does not need org.joda.convert
-dontwarn org.joda.convert.**
# Remove logs. Only when using 'proguard-android-optimize.txt'
-assumenosideeffects class android.util.Log {
public static boolean isLoggable(java.lang.String, int);
public static int v(...);
public static int i(...);
public static int w(...);
public static int d(...);
public static int e(...);
}
提前致谢。
编辑:根据可能的重复警告的要求(Proguard 警告“无法写入资源 [META-INF/MANIFEST.MF](重复的 zip 条目)”)。问这个问题的用户说他正在使用多个模块(而不是一个)并且没有发布任何文件(由于敏感数据),所以我不知道它是否相同。还尝试了第一个答案中的所有可能选项,但都没有奏效。其他答案也不起作用(除了 -dontwarn 选项,出于明显的原因我不会使用它)。