저는 아직도 내 주요 활동 묶음에서 값을 가져 오는 데 오류가 있다는 것을 혼동합니다.안드로이드에서 번들 값을 얻으십시오.
Level1.class
Chronometer chrono;
chrono = (Chronometer)findViewById(R.id.chronometer1);
chrono.start();
long timeElapsed = SystemClock.elapsedRealtime() - chrono.getBase();
int hours = (int) (timeElapsed/3600000);
int minutes = (int) (timeElapsed - hours * 3600000)/60000;
int seconds = (int) (timeElapsed - hours * 3600000 - minutes * 60000)/1000;
Intent lvl1 = new Intent(getApplicationContext(), Finish.class);
Bundle time1 = new Bundle();
time1.putInt("hour1", hours);
time1.putInt("minutes1", minutes);
time1.putInt("seconds1", seconds);
lvl1.putExtras(time1);
내 Finish.class :합니다 (에서 onCreate 방법 내부)
TextView Set1;
Set1 = (TextView) findViewById (R.id.time1);
Bundle time1 = getIntent().getExtras();
int hrs = time1.getInt("hour1");
int min = time1.getInt("minutes1");
int sec = time1.getInt("seconds1");
Set1.setText(hrs + ":" + min + ":" + sec);
수있는 사람
그래서 여기 내 코드입니다 왜 내가 오류가 있다고 말해?
참고 : 라인 30의 ERROR은 int hrs = time1.getInt("hour1");
입니다.
로그 캣 :
당신은 당신의 코드를 디버깅하고 번들의 값을 확인하는 의도에서 번들을 얻을 브레이크 포인트를 둘 필요가08-20 01:54:10.461: E/AndroidRuntime(950): FATAL EXCEPTION: main
08-20 01:54:10.461: E/AndroidRuntime(950): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mathattack/com.example.mathattack.Finish}: java.lang.NullPointerException
08-20 01:54:10.461: E/AndroidRuntime(950): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
08-20 01:54:10.461: E/AndroidRuntime(950): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
08-20 01:54:10.461: E/AndroidRuntime(950): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
08-20 01:54:10.461: E/AndroidRuntime(950): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
08-20 01:54:10.461: E/AndroidRuntime(950): at android.os.Handler.dispatchMessage(Handler.java:99)
08-20 01:54:10.461: E/AndroidRuntime(950): at android.os.Looper.loop(Looper.java:123)
08-20 01:54:10.461: E/AndroidRuntime(950): at android.app.ActivityThread.main(ActivityThread.java:4627)
08-20 01:54:10.461: E/AndroidRuntime(950): at java.lang.reflect.Method.invokeNative(Native Method)
08-20 01:54:10.461: E/AndroidRuntime(950): at java.lang.reflect.Method.invoke(Method.java:521)
08-20 01:54:10.461: E/AndroidRuntime(950): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
08-20 01:54:10.461: E/AndroidRuntime(950): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
08-20 01:54:10.461: E/AndroidRuntime(950): at dalvik.system.NativeStart.main(Native Method)
08-20 01:54:10.461: E/AndroidRuntime(950): Caused by: java.lang.NullPointerException
08-20 01:54:10.461: E/AndroidRuntime(950): at com.example.mathattack.Finish.onCreate(Finish.java:30)
08-20 01:54:10.461: E/AndroidRuntime(950): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
08-20 01:54:10.461: E/AndroidRuntime(950): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
08-20 01:54:10.461: E/AndroidRuntime(950): ... 11 more
무엇이 오류입니까? 게시물 logcat – codeMagic
무엇이 오류입니까? stacktrace 게시 하시겠습니까? – Raghunandan
레벨 1의 활동 시작 문장은 어디에 있습니까? –