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java.lang.RuntimeException: Unable to create application com.wlkj.ciyun.sj.config.MyApp: java.lang.NullPointerException
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4349)
at android.app.ActivityThread.access$1500(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5019)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at com.hyphenate.chat.a.b.a(Unknown Source)
at com.hyphenate.chat.a.b.a(Unknown Source)
at com.hyphenate.chat.EMClient.init(Unknown Source)
at com.hyphenate.easeui.EaseUI.init(EaseUI.java:118)
at com.wlkj.ciyun.sj.config.MyApp.onCreate(MyApp.java:50)
at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1024)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4346)
实际上这个问题是因为Android工程方法数量超过了65536的限制
下面给出解决方法:
第一步:
在gradle的配置文件中添加依赖 compile 'com.android.support:multidex:1.0.1'
第二步:
添加 multiDexEnabled true
android {
...
defaultConfig {
...
multiDexEnabled true
...
}
}
第三步:
在工程的MainApplication中重写 attachBaseContext() 方法
@Override
protected void attachBaseContext(Context base) {
super.attachBaseContext(base);
MultiDex.install(this);
}
也可以直接在Application的onCreate方法中super.OnCreate();方法前加一句话MultiDex.install(this)就可以了