使用proguard.cfg工具来混淆代码后，自己的项目出了好些问题

06-18 16:15:03.690: E/AndroidRuntime(3455): FATAL EXCEPTION: main
06-18 16:15:03.690: E/AndroidRuntime(3455): java.lang.ExceptionInInitializerError
06-18 16:15:03.690: E/AndroidRuntime(3455): at twitter4j.internal.http.HttpClientWrapper.<init>(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at twitter4j.TwitterOAuthSupportBase.a(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at twitter4j.TwitterOAuthSupportBase.<init>(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at twitter4j.TwitterOAuthSupportBaseImpl.<init>(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at twitter4j.Twitter.<init>(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at twitter4j.TwitterFactory.a(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at com.xxx.myapp.free.d.a.<init>(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at com.xxx.myapp.free.activity.HomeActivity.onCreate(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1619)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.ActivityThread.startActivityNow(ActivityThread.java:1495)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:127)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:339)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:695)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.widget.TabHost.setCurrentTab(TabHost.java:366)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.widget.TabHost.addTab(TabHost.java:256)
06-18 16:15:03.690: E/AndroidRuntime(3455): at com.xxx.myapp.free.activity.MyTabActivity.onCreate(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1619)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1671)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.os.Handler.dispatchMessage(Handler.java:99)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.os.Looper.loop(Looper.java:130)
06-18 16:15:03.690: E/AndroidRuntime(3455): at android.app.ActivityThread.main(ActivityThread.java:3694)
06-18 16:15:03.690: E/AndroidRuntime(3455): at java.lang.reflect.Method.invokeNative(Native Method)
06-18 16:15:03.690: E/AndroidRuntime(3455): at java.lang.reflect.Method.invoke(Method.java:507)
06-18 16:15:03.690: E/AndroidRuntime(3455): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
06-18 16:15:03.690: E/AndroidRuntime(3455): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
06-18 16:15:03.690: E/AndroidRuntime(3455): at dalvik.system.NativeStart.main(Native Method)
06-18 16:15:03.690: E/AndroidRuntime(3455): Caused by: java.lang.AssertionError: java.lang.NoSuchMethodException: HttpClientImpl(HttpClientConfiguration)
06-18 16:15:03.690: E/AndroidRuntime(3455): at twitter4j.internal.http.HttpClientFactory.<clinit>(Unknown Source)
06-18 16:15:03.690: E/AndroidRuntime(3455): ... 30 more
06-18 16:15:03.690: E/AndroidRuntime(3455): Caused by: java.lang.NoSuchMethodException: HttpClientImpl(HttpClientConfiguration)
06-18 16:15:03.690: E/AndroidRuntime(3455): at java.lang.Class.getMatchingConstructor(Class.java:643)
06-18 16:15:03.690: E/AndroidRuntime(3455): at java.lang.Class.getConstructor(Class.java:472)

06-18 16:15:03.690: E/AndroidRuntime(3455): ... 31 more

网络搜索答案：

https://groups.google.com/forum/?fromgroups#!topic/twitter4j/mV0z24GAH9k

-optimizationpasses 5

-dontusemixedcaseclassnames

-dontskipnonpubliclibraryclasses

-dontpreverify

-verbose

-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*

-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.app.backup.BackupAgentHelper

-keep public class * extends android.preference.Preference

-keep public class com.android.vending.licensing.ILicensingService

-keepclasseswithmembernames class * {

native <methods>;

}

-keepclasseswithmembers class * {

public <init>(android.content.Context, android.util.AttributeSet);

}

-keepclasseswithmembers class * {

public <init>(android.content.Context, android.util.AttributeSet,int);

}

-keepclassmembers class * extends android.app.Activity {

public void *(android.view.View);

}

-keepclassmembers enum * {

public static **[] values();

public static ** valueOf(java.lang.String);

}

-keep class * implements android.os.Parcelable {

public static final android.os.Parcelable$Creator *;

}

-keep class com.android.vending.billing.**

-keep class twitter4j.**

-keep class oauth.**

-dontwarn twitter4j.**

-dontwarn oauth.**

尝试了将 twitter-core.jar从2.1.10更新到2.2.5版本，还是同样的错误，又尝试着将Proguard工具直接更新到最新的版本，结果还是得到

06-19 09:18:51.117: E/AndroidRuntime(1083): FATAL EXCEPTION: main
06-19 09:18:51.117: E/AndroidRuntime(1083): java.lang.ExceptionInInitializerError
06-19 09:18:51.117: E/AndroidRuntime(1083): at com.ceosoftcenters.dreamdictionary.free.d.a.<init>(Unknown Source)
06-19 09:18:51.117: E/AndroidRuntime(1083): at com.ceosoftcenters.dreamdictionary.free.activity.HomeActivity.onCreate(Unknown Source)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1619)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.ActivityThread.startActivityNow(ActivityThread.java:1495)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:127)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:339)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:695)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.widget.TabHost.setCurrentTab(TabHost.java:366)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.widget.TabHost.addTab(TabHost.java:256)
06-19 09:18:51.117: E/AndroidRuntime(1083): at com.ceosoftcenters.dreamdictionary.free.activity.MyTabActivity.onCreate(Unknown Source)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1619)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1671)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.os.Handler.dispatchMessage(Handler.java:99)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.os.Looper.loop(Looper.java:130)
06-19 09:18:51.117: E/AndroidRuntime(1083): at android.app.ActivityThread.main(ActivityThread.java:3694)
06-19 09:18:51.117: E/AndroidRuntime(1083): at java.lang.reflect.Method.invokeNative(Native Method)
06-19 09:18:51.117: E/AndroidRuntime(1083): at java.lang.reflect.Method.invoke(Method.java:507)
06-19 09:18:51.117: E/AndroidRuntime(1083): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
06-19 09:18:51.117: E/AndroidRuntime(1083): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
06-19 09:18:51.117: E/AndroidRuntime(1083): at dalvik.system.NativeStart.main(Native Method)
06-19 09:18:51.117: E/AndroidRuntime(1083): Caused by: java.lang.AssertionError: java.lang.NoSuchMethodException: TwitterImpl(Configuration,Authorization)
06-19 09:18:51.117: E/AndroidRuntime(1083): at twitter4j.TwitterFactory.<clinit>(Unknown Source)
06-19 09:18:51.117: E/AndroidRuntime(1083): ... 24 more
06-19 09:18:51.117: E/AndroidRuntime(1083): Caused by: java.lang.NoSuchMethodException: TwitterImpl(Configuration,Authorization)
06-19 09:18:51.117: E/AndroidRuntime(1083): at java.lang.Class.getMatchingConstructor(Class.java:643)
06-19 09:18:51.117: E/AndroidRuntime(1083): at java.lang.Class.getDeclaredConstructor(Class.java:579)
06-19 09:18:51.117: E/AndroidRuntime(1083): ... 25 more