Android在用运行app的时候直接崩掉，出现这些错误

Question

12-30 02:44:28.058: E/AndroidRuntime(2071): FATAL EXCEPTION: main
12-30 02:44:28.058: E/AndroidRuntime(2071): java.lang.RuntimeException: Unable to create application com.way.chat.activity.MyApplication: android.os.NetworkOnMainThreadException
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4394)
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.app.ActivityThread.access$1300(ActivityThread.java:141)
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1294)
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.os.Handler.dispatchMessage(Handler.java:99)
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.os.Looper.loop(Looper.java:137)
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.app.ActivityThread.main(ActivityThread.java:5039)
12-30 02:44:28.058: E/AndroidRuntime(2071): at java.lang.reflect.Method.invokeNative(Native Method)
12-30 02:44:28.058: E/AndroidRuntime(2071): at java.lang.reflect.Method.invoke(Method.java:511)
12-30 02:44:28.058: E/AndroidRuntime(2071): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
12-30 02:44:28.058: E/AndroidRuntime(2071): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
12-30 02:44:28.058: E/AndroidRuntime(2071): at dalvik.system.NativeStart.main(Native Method)
12-30 02:44:28.058: E/AndroidRuntime(2071): Caused by: android.os.NetworkOnMainThreadException
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1117)
12-30 02:44:28.058: E/AndroidRuntime(2071): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:84)
12-30 02:44:28.058: E/AndroidRuntime(2071): at libcore.io.IoBridge.connectErrno(IoBridge.java:144)
12-30 02:44:28.058: E/AndroidRuntime(2071): at libcore.io.IoBridge.connect(IoBridge.java:112)
12-30 02:44:28.058: E/AndroidRuntime(2071): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
12-30 02:44:28.058: E/AndroidRuntime(2071): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
12-30 02:44:28.058: E/AndroidRuntime(2071): at java.net.Socket.connect(Socket.java:842)
12-30 02:44:28.058: E/AndroidRuntime(2071): at com.way.client.Client.start(Client.java:28)
12-30 02:44:28.058: E/AndroidRuntime(2071): at com.way.chat.activity.MyApplication.onCreate(MyApplication.java:29)
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1000)
12-30 02:44:28.058: E/AndroidRuntime(2071): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4391)
12-30 02:44:28.058: E/AndroidRuntime(2071): ... 10 more

（需要代码的可以私我）

Answer 1

android.os.NetworkOnMainThreadException网络请求放在主线程中进行了，网络请求不能再主线程发起请求，必须new Runnable，在这个子线程中发起