遇到同样的问题，我用adb logcat打印了日志，请问你解决了没，解决记得回下我啊

V/fb-UnpackingSoSource(12908): starting syncer worker

V/fb-UnpackingSoSource(12908): releasing dso store lock for /data/data/com.reactnativeblog/lib-main (from syncer thread)

V/fb-UnpackingSoSource(12908): not releasing dso store lock for /data/data/com.reactnativeblog/lib-main (syncer thread started)

W/ActivityManager( 746): getRunningAppProcesses: caller 10147 does not hold REAL_GET_TASKS; limiting output

W/ActivityManager( 746): getRunningAppProcesses: caller 10147 does not hold REAL_GET_TASKS; limiting output

E/umengsocial(12908): ----sdkversion:6.8.3---

E/umengsocial(12908): 濡搿쳠浠讳??쀿?氿찿?规坊?�唬?怿?Config.DEBUG = true

E/umengsocial(12908): ?�?耿?璇ꀿ렀棰밿糭?瀿?缃?렀棰밿?璇峰飙?栿듞妗ｏ?https://at.umeng.com/0fqeCy?cid=476

E/AndroidRuntime(12908): FATAL EXCEPTION: pool-3-thread-1

E/AndroidRuntime(12908): Process: com.reactnativeblog, PID: 12908

E/AndroidRuntime(12908): java.lang.NoClassDefFoundError: Failed resolution of: Lcom/umeng/commonsdk/stateless/UMSLEnvelopeBuild;

E/AndroidRuntime(12908): at com.umeng.socialize.net.dplus.UMWorkDispatch.sendEvent(UMWorkDispatch.java:33)

E/AndroidRuntime(12908): at com.umeng.socialize.net.dplus.DplusApi$1.run(DplusApi.java:46)

E/AndroidRuntime(12908): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)

E/AndroidRuntime(12908): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)

E/AndroidRuntime(12908): at java.lang.Thread.run(Thread.java:818)

E/AndroidRuntime(12908): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.umeng.commonsdk.stateless.UMSLEnvelopeBuild" on path: DexPathList[[zip file "/data/app/com.reactnativeblog-1/base.apk"],nativeLibraryDirectories=[/data/app/com.reactnativeblog-1/lib/arm, /vendor/lib, /system/lib]]

E/AndroidRuntime(12908): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)

E/AndroidRuntime(12908): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)

E/AndroidRuntime(12908): at java.lang.ClassLoader.loadClass(ClassLoader.java:469)

E/AndroidRuntime(12908): ... 5 more

E/AndroidRuntime(12908): Suppressed: java.lang.ClassNotFoundException: com.umeng.commonsdk.stateless.UMSLEnvelopeBuild

E/AndroidRuntime(12908): at java.lang.Class.classForName(Native Method)

E/AndroidRuntime(12908): at java.lang.BootClassLoader.findClass(ClassLoader.java:781)

E/AndroidRuntime(12908): at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)

E/AndroidRuntime(12908): at java.lang.ClassLoader.loadClass(ClassLoader.java:504)

E/AndroidRuntime(12908): ... 6 more

E/AndroidRuntime(12908): Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available

I/Process (12908): Sending signal. PID: 12908 SIG: 9

W/ActivityManager( 746): Force finishing activity 1 com.reactnativeblog/.MainActivity

W/ActivityManager( 746): Exception thrown during pause

W/ActivityManager( 746): android.os.DeadObjectException

W/ActivityManager( 746): at android.os.BinderProxy.transactNative(Native Method)

W/ActivityManager( 746): at android.os.BinderProxy.transact(Binder.java:496)

W/ActivityManager( 746): at android.app.ApplicationThreadProxy.schedulePauseActivity(ApplicationThreadNative.java:704)

W/ActivityManager( 746): at com.android.server.am.ActivityStack.startPausingLocked(ActivityStack.java:825)

W/ActivityManager( 746): at com.android.server.am.ActivityStack.finishActivityLocked(ActivityStack.java:2726)

W/ActivityManager( 746): at com.android.server.am.ActivityStack.finishTopRunningActivityLocked(ActivityStack.java:2583)

W/ActivityManager( 746): at com.android.server.am.ActivityStackSupervisor.finishTopRunningActivityLocked(ActivityStackSupervisor.java:2497)

W/ActivityManager( 746): at com.android.server.am.ActivityManagerService.handleAppCrashLocked(ActivityManagerService.java:11505)

W/ActivityManager( 746): at com.android.server.am.ActivityManagerService.makeAppCrashingLocked(ActivityManagerService.java:11402)

W/ActivityManager( 746): at com.android.server.am.ActivityManagerService.crashApplication(ActivityManagerService.java:12086)

W/ActivityManager( 746): at com.android.server.am.ActivityManagerService.handleApplicationCrashInner(ActivityManagerService.java:11597)

W/ActivityManager( 746): at com.android.server.am.ActivityManagerService.handleApplicationCrash(ActivityManagerService.java:11579)

W/ActivityManager( 746): at android.app.ActivityManagerNative.onTransact(ActivityManagerNative.java:1406)

W/ActivityManager( 746): at com.android.server.am.ActivityManagerService.onTransact(ActivityManagerService.java:2208)

W/ActivityManager( 746): at android.os.Binder.execTransact(Binder.java:446)

E/lowmemorykiller( 174): Error writing /proc/12908/oom_score_adj; errno=22

I/ActivityManager( 746): Process com.reactnativeblog (pid 12908) has died