8

In my project, I have used OkHttp(version 2.5.0) as my network request library. But few days ago, I tried Retrofit2 as part of my app's network request library, as you know, the new Retrofit2 library dependence on OkHttp(version 3.2.0).So here comes the problem that when my app runs on android phone whose android version under android 5.0 always causes crash(larger version works well and causes no crash), the crash stack information shows as below:

04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err: java.lang.NoClassDefFoundError: okhttp3.OkHttpClient$Builder
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at com.comingx.athit.client.ServiceGenerator.<clinit>(ServiceGenerator.java:22)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at com.comingx.athit.ui.fragments.CircleNativeFragment.onViewCreated(CircleNativeFragment.java:105)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1086)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:742)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:517)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.os.Handler.handleCallback(Handler.java:808)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:103)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.os.Looper.loop(Looper.java:193)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:5348)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at java.lang.reflect.Method.invokeNative(Native Method)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at java.lang.reflect.Method.invoke(Method.java:515)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:829)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:645)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at dalvik.system.NativeStart.main(Native Method)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err: java.lang.NoClassDefFoundError: okhttp3.OkHttpClient$Builder
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at com.comingx.athit.client.ServiceGenerator.<clinit>(ServiceGenerator.java:22)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at com.comingx.athit.ui.fragments.CircleNativeFragment.onViewCreated(CircleNativeFragment.java:105)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1086)
04-15 21:28:51.185 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:742)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:517)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at android.os.Handler.handleCallback(Handler.java:808)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:103)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at android.os.Looper.loop(Looper.java:193)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:5348)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at java.lang.reflect.Method.invokeNative(Native Method)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at java.lang.reflect.Method.invoke(Method.java:515)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:829)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:645)
04-15 21:28:51.186 17238-17238/com.comingx.athit W/System.err:     at dalvik.system.NativeStart.main(Native Method)

From the stack trace, I guess that OkHttp(version 3.2.0) has some conflicts with OkHttp(version 2.5.0). Below I will give my external library configuration:

compile 'com.squareup.okhttp:okhttp:2.5.0'
compile 'com.squareup.okhttp3:okhttp:3.2.0'
compile 'com.google.code.gson:gson:2.6.2'
compile 'com.squareup.retrofit2:retrofit:2.0.1'
compile 'com.squareup.retrofit2:converter-gson:2.0.1'

Hope anyone who knows the problem can give me a favor! Great thanks!

Update 1: Here is my ServiceGenerator.java :

package com.comingx.athit.client;

import com.comingx.athit.model.Constants;
import com.comingx.athit.model.modelmanager.ModelManagerSingleton;

import java.io.IOException;

import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class ServiceGenerator {
    private static OkHttpClient httpClient = new OkHttpClient.Builder().addInterceptor(
            new Interceptor() {
                @Override
                public Response intercept(Chain chain) throws IOException {
                    Request request = chain.request()
                            .newBuilder().addHeader("Cookie", ModelManagerSingleton.getNative_cookie()).build();
                    return chain.proceed(request);
                }
            }
    ).build();
    private static Retrofit.Builder builder =
            new Retrofit.Builder()
                    .baseUrl(Constants.V3.API_PREFIX)
                    .addConverterFactory(GsonConverterFactory.create());

    public static <T> T createService(Class<T> serviceClass) {
        Retrofit retrofit = builder.client(httpClient).build();
        return retrofit.create(serviceClass);
    }
}
4

1 回答 1

14

是的，最后我找到了问题并解决了它。我在这里查看了类似的问题 ，发现可能是64K 方法会导致问题，所以我来到官方网站 查看Building Apps with Over 64K Methods。现在您应该在 build.gradle 文件中编译 multidex 库：

compile 'com.android.support:multidex:1.0.1'

并且不要忘记配置您的 defaultConfig：

android {
  defaultConfig {
    multiDexEnabled true
  }
}

最后，您可以编写一个BaseApplication扩展至Application，重写attachBaseContext(Context base)方法，如下所示：

    @Override
    protected void attachBaseContext(Context base) {
        super.attachBaseContext(base);
        MultiDex.install(this);
    }

不要忘记将其添加到您的 AndroidManifest.xml 文件中：

<application
        android:name=".BaseApplication"
        android:allowBackup="true">
</application>
于 2016-04-16T08:32:17.177 回答