如何在 android 中调试自定义启动器......当我尝试在启动器中用我的登录页面应用程序替换主屏幕时，它显示不幸停止......我如何调试并找到它停止的位置。 ..以及我可以在自定义启动器中添加我的代码以便它正常工作的地方，，，，，
07-05 12:31:25.896: E/filePathInTheme(16216): framework_res/res/mipmap-hdpi/sym_def_app_icon.png
07-05 12:31:25.956: E/filePathInTheme(16216): com.appaholics.launcher/res/drawable-mdpi/ic_launcher_home.png
07-05 12:31:25.996: E/filePathInTheme(16216): com.appaholics.launcher/res/drawable-hdpi/images.png
07-05 12:31:32.966: E/AndroidRuntime(16216): FATAL EXCEPTION: main
07-05 12:31:32.966: E/AndroidRuntime(16216): android.os.NetworkOnMainThreadException
07-05 12:31:32.966: E/AndroidRuntime(16216): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1099)
07-05 12:31:32.966: E/AndroidRuntime(16216): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:84)
07-05 12:31:32.966: E/AndroidRuntime(16216): at libcore.io.IoBridge.connectErrno(IoBridge.java:127)
07-05 12:31:32.966: E/AndroidRuntime(16216): at libcore.io.IoBridge.connect(IoBridge.java:112)
07-05 12:31:32.966: E/AndroidRuntime(16216): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
07-05 12:31:32.966: E/AndroidRuntime(16216): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
07-05 12:31:32.966: E/AndroidRuntime(16216): at java.net.Socket.connect(Socket.java:848)
07-05 12:31:32.966: E/AndroidRuntime(16216): at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119)
07-05 12:31:32.966: E/AndroidRuntime(16216): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144)
07-05 12:31:32.966: E/AndroidRuntime(16216): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
07-05 12:31:32.966: E/AndroidRuntime(16216): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
07-05 12:31:32.966: E/AndroidRuntime(16216): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
07-05 12:31:32.966: E/AndroidRuntime(16216): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
07-05 12:31:32.966: E/AndroidRuntime(16216): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
07-05 12:31:32.966: E/AndroidRuntime(16216): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
07-05 12:31:32.966: E/AndroidRuntime(16216): at com.appaholics.launcher.XMLParser.getXmlFromUrl(XMLParser.java:45)
07-05 12:31:32.966: E/AndroidRuntime(16216): at com.appaholics.launcher.Button_Clicker.onClick(Loginpage.java:107)
07-05 12:31:32.966: E/AndroidRuntime(16216): at android.view.View.performClick(View.java:3511)
07-05 12:31:32.966: E/AndroidRuntime(16216): at android.view.View$PerformClick.run(View.java:14105)
07-05 12:31:32.966: E/AndroidRuntime(16216): at android.os.Handler.handleCallback(Handler.java:605)
07-05 12:31:32.966: E/AndroidRuntime(16216): at android.os.Handler.dispatchMessage(Handler.java:92)
07-05 12:31:32.966: E/AndroidRuntime(16216): at android.os.Looper.loop(Looper.java:137)
07-05 12:31:32.966: E/AndroidRuntime(16216): at android.app.ActivityThread.main(ActivityThread.java:4482)
07-05 12:31:32.966: E/AndroidRuntime(16216): at java.lang.reflect.Method.invokeNative(Native Method)
07-05 12:31:32.966: E/AndroidRuntime(16216): at java.lang.reflect.Method.invoke(Method.java:511)
07-05 12:31:32.966: E/AndroidRuntime(16216): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787)
07-05 12:31:32.966: E/AndroidRuntime(16216): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554)
07-05 12:31:32.966: E/AndroidRuntime(16216): at dalvik.system.NativeStart.main(Native Method)