@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment())
.commit();
}
Button bt_linktoblog = (Button) this.findViewById(R.id.button2);
bt_linktoblog.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent it_linktoblog = new Intent(Intent.ACTION_VIEW,Uri.parse("http://blog.naver.com/"));
startActivity(it_linktoblog);
}
});
}
오류는 없는데 설치하고 나면 강제종료되네요ㅠㅠ
혹시 이유를 알 수 있을까요?
저 빨간 부분을 주석으로 바꿨을 때에는 에러가 없어요 ㅠㅠ
05-30 17:55:31.385: D/ActivityThread(29388): setTargetHeapUtilization:0.25
05-30 17:55:31.385: D/ActivityThread(29388): setTargetHeapConcurrentStart:2097152
05-30 17:55:31.385: D/HyLog(29388): I : /data/font/config/dfactpre.dat, No such file or directory (2)
05-30 17:55:31.475: D/AndroidRuntime(29388): Shutting down VM
05-30 17:55:31.475: W/dalvikvm(29388): threadid=1: thread exiting with uncaught exception (group=0x41974e48)
05-30 17:55:31.475: E/AndroidRuntime(29388): FATAL EXCEPTION: main
05-30 17:55:31.475: E/AndroidRuntime(29388): Process: com.dw.contacts.countrycode.change, PID: 29388
05-30 17:55:31.475: E/AndroidRuntime(29388): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dw.contacts.countrycode.change/com.dw.contacts.countrycode.change.MainActivity}: java.lang.NullPointerException
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2202)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2252)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.app.ActivityThread.access$800(ActivityThread.java:139)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1200)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.os.Handler.dispatchMessage(Handler.java:102)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.os.Looper.loop(Looper.java:136)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.app.ActivityThread.main(ActivityThread.java:5103)
05-30 17:55:31.475: E/AndroidRuntime(29388): at java.lang.reflect.Method.invokeNative(Native Method)
05-30 17:55:31.475: E/AndroidRuntime(29388): at java.lang.reflect.Method.invoke(Method.java:515)
05-30 17:55:31.475: E/AndroidRuntime(29388): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
05-30 17:55:31.475: E/AndroidRuntime(29388): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:606)
05-30 17:55:31.475: E/AndroidRuntime(29388): at dalvik.system.NativeStart.main(Native Method)
05-30 17:55:31.475: E/AndroidRuntime(29388): Caused by: java.lang.NullPointerException
05-30 17:55:31.475: E/AndroidRuntime(29388): at com.dw.contacts.countrycode.change.MainActivity.onCreate(MainActivity.java:36)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.app.Activity.performCreate(Activity.java:5275)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
05-30 17:55:31.475: E/AndroidRuntime(29388): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2166)
05-30 17:55:31.475: E/AndroidRuntime(29388): ... 11 more