아래는 에러코드입니다. 본문이 길어서 짤리네요ㅠ
07-23 00:50:57.450: W/dalvikvm(20181): threadid=1: thread exiting with uncaught exception (group=0x4001cb20)
07-23 00:50:57.450: E/AndroidRuntime(20181): Uncaught handler: thread main exiting due to uncaught exception
07-23 00:50:57.481: E/AndroidRuntime(20181): java.lang.IllegalStateException: Could not execute method of the activity
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.View$1.onClick(View.java:2037)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.View.performClick(View.java:2370)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.View.onTouchEvent(View.java:4185)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.widget.TextView.onTouchEvent(TextView.java:6625)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.View.dispatchTouchEvent(View.java:3715)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:883)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:883)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:883)
07-23 00:50:57.481: E/AndroidRuntime(20181): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1700)
07-23 00:50:57.481: E/AndroidRuntime(20181): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1111)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.app.Activity.dispatchTouchEvent(Activity.java:2061)
07-23 00:50:57.481: E/AndroidRuntime(20181): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1684)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.ViewRoot.handleMessage(ViewRoot.java:1701)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.os.Handler.dispatchMessage(Handler.java:99)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.os.Looper.loop(Looper.java:123)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.app.ActivityThread.main(ActivityThread.java:4364)
07-23 00:50:57.481: E/AndroidRuntime(20181): at java.lang.reflect.Method.invokeNative(Native Method)
07-23 00:50:57.481: E/AndroidRuntime(20181): at java.lang.reflect.Method.invoke(Method.java:521)
07-23 00:50:57.481: E/AndroidRuntime(20181): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
07-23 00:50:57.481: E/AndroidRuntime(20181): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
07-23 00:50:57.481: E/AndroidRuntime(20181): at dalvik.system.NativeStart.main(Native Method)
07-23 00:50:57.481: E/AndroidRuntime(20181): Caused by: java.lang.reflect.InvocationTargetException
07-23 00:50:57.481: E/AndroidRuntime(20181): at com.example.back.LoginActivity.mclick(LoginActivity.java:67)
07-23 00:50:57.481: E/AndroidRuntime(20181): at java.lang.reflect.Method.invokeNative(Native Method)
07-23 00:50:57.481: E/AndroidRuntime(20181): at java.lang.reflect.Method.invoke(Method.java:521)
07-23 00:50:57.481: E/AndroidRuntime(20181): at android.view.View$1.onClick(View.java:2032)
07-23 00:50:57.481: E/AndroidRuntime(20181): ... 20 more
07-23 00:50:57.481: E/AndroidRuntime(20181): Caused by: java.lang.IllegalThreadStateException: Thread already started.
07-23 00:50:57.481: E/AndroidRuntime(20181): at java.lang.Thread.start(Thread.java:1322)
07-23 00:50:57.481: E/AndroidRuntime(20181): ... 24 more