Androidでリリースapkを生成できません

Question

署名付きapkを生成できません。アプリはデバッグしてうまく動作しますが、署名されたapkは生成されません。 minifyEnabledをfalseにすると、署名付きapkが生成されます。

buildTypes { 
     debug { debuggable false } 
     release { 
      minifyEnabled true 
      shrinkResources true 
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 
     } 
    } 
} 
repositories { 
    mavenCentral() 
} 

android { 
    useLibrary 'org.apache.http.legacy' 
} 
dependencies { 
    // compile 'com.android.support:multidex:1.0.0' 
    compile fileTree(include: ['*.jar'], dir: 'libs') 
    testCompile 'junit:junit:4.12' 
    compile 'com.android.support:appcompat-v7:25.0.1' 
    compile 'com.android.support:design:25.0.1' 
    compile 'com.android.support:support-v4:25.0.1' 
    compile 'com.android.support:cardview-v7:25.0.1' 
    // RecyclerView 
    compile 'com.android.support:recyclerview-v7:25.0.1' 
    compile 'com.readystatesoftware.sqliteasset:sqliteassethelper:2.0.1' 
    compile 'com.facebook.android:facebook-android-sdk:4.0.0' 
    compile 'org.apache.httpcomponents:httpcore:4.2.1' 
    compile 'org.apache.httpcomponents:httpclient:4.5.2' 
    compile 'com.facebook.android:facebook-android-sdk:[4,5)' 
    compile 'com.google.firebase:firebase-database:10.2.0' 
    compile 'com.google.firebase:firebase-auth:10.2.0' 
    compile 'com.google.firebase:firebase-core:10.2.0' 
    compile 'com.firebase:firebase-client-android:2.5.2+' 
    compile 'com.google.android.gms:play-services:10.2.0' 
    compile 'com.google.android.gms:play-services-location:10.2.0' 

    compile 'com.github.bumptech.glide:glide:3.7.0' 
    compile 'com.squareup.picasso:picasso:2.5.0' 
    compile 'com.firebase:geofire-android:2.1.1' 
    compile 'com.google.firebase:firebase-messaging:10.2.0' 
    compile 'com.squareup.okhttp3:okhttp:3.0.1' 
    // event bus 
    compile 'org.greenrobot:eventbus:3.0.0' 
    compile 'com.zsoltsafrany:needle:1.0.0' 
    testCompile 'junit:junit:4.12' 
    compile 'joda-time:joda-time:2.9.7' 

    } 
apply plugin: 'com.google.gms.google-services' 

警告：

Warning:there were 128 instances of library classes depending on program classes.You must avoid such dependencies, since the program classes will be processed, while the library classes will remain unchanged. (http://proguard.sourceforge.net/manual/troubleshooting.html#dependency)

Warning:Exception while processing task java.io.IOException: Please correct the above warnings first. :app:transformClassesAndResourcesWithProguardForRelease FAILED Error:Execution failed for task ':app:transformClassesAndResourcesWithProguardForRelease'. > java.io.IOException: Please correct the above warnings first.

Warning:library class android.net.http.AndroidHttpClientConnection extends or implements program class org.apache.http.HttpInetConnection 
Warning:library class android.net.http.AndroidHttpClientConnection extends or implements program class org.apache.http.HttpConnection 
Warning:library class com.android.internal.http.multipart.MultipartEntity extends or implements program class org.apache.http.entity.AbstractHttpEntity 
Warning:library class org.apache.http.auth.AuthenticationException extends or implements program class org.apache.http.ProtocolException 
Warning:library class org.apache.http.auth.MalformedChallengeException extends or implements program class org.apache.http.ProtocolException 
Warning:library class org.apache.http.auth.params.AuthParamBean extends or implements program class org.apache.http.params.HttpAbstractParamBean 
Warning:library class org.apache.http.client.NonRepeatableRequestException extends or implements program class org.apache.http.ProtocolException 
Warning:library class org.apache.http.client.RedirectException extends or implements program class org.apache.http.ProtocolException 
Warning:library class org.apache.http.client.entity.UrlEncodedFormEntity extends or implements program class org.apache.http.entity.StringEntity 
Warning:library class org.apache.http.client.methods.HttpEntityEnclosingRequestBase extends or implements program class org.apache.http.HttpEntityEnclosingRequest 
Warning:library class org.apache.http.client.methods.HttpRequestBase extends or implements program class org.apache.http.message.AbstractHttpMessage 
Warning:library class org.apache.http.client.methods.HttpUriRequest extends or implements program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.client.params.AllClientPNames extends or implements program class org.apache.http.params.CoreConnectionPNames 
Warning:library class org.apache.http.client.params.AllClientPNames extends or implements program class org.apache.http.params.CoreProtocolPNames 
Warning:library class org.apache.http.client.params.ClientParamBean extends or implements program class org.apache.http.params.HttpAbstractParamBean 
Warning:library class org.apache.http.client.protocol.RequestAddCookies extends or implements program class org.apache.http.HttpRequestInterceptor 
Warning:library class org.apache.http.client.protocol.RequestDefaultHeaders extends or implements program class org.apache.http.HttpRequestInterceptor 
Warning:library class org.apache.http.client.protocol.RequestProxyAuthentication extends or implements program class org.apache.http.HttpRequestInterceptor 
Warning:library class org.apache.http.client.protocol.RequestTargetAuthentication extends or implements program class org.apache.http.HttpRequestInterceptor 
Warning:library class org.apache.http.client.protocol.ResponseProcessCookies extends or implements program class org.apache.http.HttpResponseInterceptor 
Warning:library class org.apache.http.conn.BasicManagedEntity extends or implements program class org.apache.http.entity.HttpEntityWrapper 
Warning:library class org.apache.http.conn.ManagedClientConnection extends or implements program class org.apache.http.HttpClientConnection 
Warning:library class org.apache.http.conn.ManagedClientConnection extends or implements program class org.apache.http.HttpInetConnection 
Warning:library class org.apache.http.conn.OperatedClientConnection extends or implements program class org.apache.http.HttpClientConnection 
Warning:library class org.apache.http.conn.OperatedClientConnection extends or implements program class org.apache.http.HttpInetConnection 
Warning:library class org.apache.http.conn.params.ConnConnectionParamBean extends or implements program class org.apache.http.params.HttpAbstractParamBean 
Warning:library class org.apache.http.conn.params.ConnManagerParamBean extends or implements program class org.apache.http.params.HttpAbstractParamBean 
Warning:library class org.apache.http.conn.params.ConnRouteParamBean extends or implements program class org.apache.http.params.HttpAbstractParamBean 
Warning:library class org.apache.http.cookie.MalformedCookieException extends or implements program class org.apache.http.ProtocolException 
Warning:library class org.apache.http.cookie.params.CookieSpecParamBean extends or implements program class org.apache.http.params.HttpAbstractParamBean 
Warning:library class org.apache.http.impl.client.ClientParamsStack extends or implements program class org.apache.http.params.AbstractHttpParams 
Warning:library class org.apache.http.impl.client.EntityEnclosingRequestWrapper extends or implements program class org.apache.http.HttpEntityEnclosingRequest 
Warning:library class org.apache.http.impl.client.RequestWrapper extends or implements program class org.apache.http.message.AbstractHttpMessage 
Warning:library class org.apache.http.impl.client.TunnelRefusedException extends or implements program class org.apache.http.HttpException 
Warning:library class org.apache.http.impl.conn.DefaultClientConnection extends or implements program class org.apache.http.impl.SocketHttpClientConnection 
Warning:library class org.apache.http.impl.conn.DefaultResponseParser extends or implements program class org.apache.http.impl.io.AbstractMessageParser 
Warning:library class org.apache.http.impl.conn.LoggingSessionInputBuffer extends or implements program class org.apache.http.io.SessionInputBuffer 
Warning:library class org.apache.http.impl.conn.LoggingSessionOutputBuffer extends or implements program class org.apache.http.io.SessionOutputBuffer 
Warning:com.fasterxml.jackson.databind.ext.DOMSerializer: can't find referenced class org.w3c.dom.bootstrap.DOMImplementationRegistry 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Cache 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.CacheControl 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.CacheControl$Builder 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Request$Builder 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Call 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Response 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.ResponseBody 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Response 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.ResponseBody 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Cache 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.CacheControl 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.CacheControl$Builder 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Request$Builder 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Response 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Cache 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.CacheControl 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Request 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Call 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Response 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.ResponseBody 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.CacheControl$Builder 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.CacheControl 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Request$Builder 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Response 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.ResponseBody 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Cache 
Warning:okio.DeflaterSink: can't find referenced class org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement 
Warning:okio.Okio: can't find referenced class java.nio.file.Files 
Warning:okio.Okio: can't find referenced class java.nio.file.Path 
Warning:okio.Okio: can't find referenced class java.nio.file.OpenOption 
Warning:okio.Okio: can't find referenced class java.nio.file.Path 
Warning:okio.Okio: can't find referenced class java.nio.file.OpenOption 
Warning:okio.Okio: can't find referenced class org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement 
Warning:okio.Okio: can't find referenced class java.nio.file.Path 
Warning:okio.Okio: can't find referenced class java.nio.file.OpenOption 
Warning:okio.Okio: can't find referenced class java.nio.file.Path 
Warning:okio.Okio: can't find referenced class java.nio.file.OpenOption 
Warning:okio.Okio: can't find referenced class org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement 
Warning:org.joda.time.DateMidnight: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.DateTime: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.DateTimeZone: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.DateTimeZone: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.Days: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Days: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.Duration: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Hours: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Hours: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.Instant: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.LocalDate: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.LocalDate: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.LocalDateTime: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.LocalDateTime: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.LocalTime: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.LocalTime: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.Minutes: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Minutes: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.MonthDay: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.MonthDay: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.Months: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Months: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.MutableDateTime: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.MutablePeriod: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Period: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Seconds: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Seconds: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.Weeks: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Weeks: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.YearMonth: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.YearMonth: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.Years: can't find referenced class org.joda.convert.FromString 
Warning:org.joda.time.Years: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.base.AbstractDateTime: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.base.AbstractDuration: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.base.AbstractInstant: can't find referenced class org.joda.convert.ToString 
Warning:org.joda.time.base.AbstractPeriod: can't find referenced class org.joda.convert.ToString 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpEntity 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.params.HttpParams 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpHost 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpHost 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpHost 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpHost 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class android.net.http.AndroidHttpClient depends on program class org.apache.http.entity.AbstractHttpEntity 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.params.HttpParams 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpHost 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpHost 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpHost 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpHost 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.client.HttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.client.ResponseHandler depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.client.methods.HttpEntityEnclosingRequestBase depends on program class org.apache.http.HttpEntity 
Warning:library class org.apache.http.client.methods.HttpOptions depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.client.methods.HttpRequestBase depends on program class org.apache.http.ProtocolVersion 
Warning:library class org.apache.http.client.methods.HttpRequestBase depends on program class org.apache.http.RequestLine 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.params.HttpParams 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpRequestExecutor 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.ConnectionReuseStrategy 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.BasicHttpProcessor 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.params.HttpParams 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpRequestExecutor 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.ConnectionReuseStrategy 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.BasicHttpProcessor 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpResponseInterceptor 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpRequestInterceptor 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpHost 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpHost 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpResponse 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpRequestExecutor 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.ConnectionReuseStrategy 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpProcessor 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.params.HttpParams 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.params.HttpParams 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpHost 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpHost 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.HttpRequest 
Warning:library class org.apache.http.impl.client.AbstractHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.impl.client.DefaultHttpClient depends on program class org.apache.http.params.HttpParams 
Warning:library class org.apache.http.impl.client.DefaultHttpClient depends on program class org.apache.http.protocol.HttpRequestExecutor 
Warning:library class org.apache.http.impl.client.DefaultHttpClient depends on program class org.apache.http.protocol.HttpContext 
Warning:library class org.apache.http.impl.client.DefaultHttpClient depends on program class org.apache.http.ConnectionReuseStrategy 
Warning:library class org.apache.http.impl.client.DefaultHttpClient depends on program class org.apache.http.protocol.BasicHttpProcessor 
Warning:there were 107 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:there were 128 instances of library classes depending on program classes. You must avoid such dependencies, since the program classes will be processed, while the library classes will remain unchanged. (http://proguard.sourceforge.net/manual/troubleshooting.html#dependency) 
Warning:Exception while processing task java.io.IOException: Please correct the above warnings first. :app:transformClassesAndResourcesWithProguardForRelease FAILED Error:Execution failed for task ':app:transformClassesAndResourcesWithProguardForRelease'. > java.io.IOException: Please correct the above warnings first. 

私は何度か同じエラーを清掃して構築してみました。

Answer 1

あなたProGuardのが有効になっているので、これが発生します。

は、以下の行を使用してProGuardのファイルを更新してみてください。

// org.apache 
-dontwarn org.apache.** 
// Jackson 
-keep class com.fasterxml.jackson.databind.ObjectMapper { 
    public <methods>; 
    protected <methods>; 
} 
-keep class com.fasterxml.jackson.databind.ObjectWriter { 
    public ** writeValueAsString(**); 
} 
-keepnames class com.fasterxml.jackson.** { *; } 
-dontwarn com.fasterxml.jackson.databind.** 
//OkHttp 
-dontwarn com.squareup.okhttp.** 
// Picasso 
-dontwarn com.squareup.picasso.** 
//Okio 
-dontwarn okio.** 
//Joda Time Convert 
-dontwarn org.joda.convert.** 

これはちょうどあなたがあなたのAPK構築プロセスを修正していますが、あなたをテストする必要が支援することですコードの難読化のために必要な参照があるかどうかを確認するためにapkに署名しました。私はProGuardのマニュアルを通過し、また、すべての問題が