MainActivity 부분
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 0) {
if(resultCode == 0){
Toast.makeText(MainActivity.this,"취소됨",Toast.LENGTH_SHORT).show();
}else if(resultCode == 1){
//객체로 받는 법 역 직렬화!fsdfsdf
// 하는 함수
try {
Note note = data.getParcelableExtra("note");
String notetitle = note.getTitle();
Toast.makeText(MainActivity.this, notetitle, Toast.LENGTH_SHORT).show();
}catch (Exception ex){
ex.printStackTrace();
Toast.makeText(MainActivity.this, "실패", Toast.LENGTH_SHORT).show();
글작성 부분(NewAcitivity)
btnfinish.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v){
//사용자가 입력한 데이터에 접근
EditText et01 = (EditText)findViewById(R.id.et01);
EditText et02 = (EditText)findViewById(R.id.et02);
//사용자가 입력한 문자열 가져오기
String title = et01.getText().toString();
String content = et02.getText().toString();
//Note객체에 집어넣어서 데이터 전달
Note note = new Note();
note.setTitle(title);
note.setContent(content);
Intent intent = new Intent();
intent.putExtra("note", note);
//인텐트를 만들어 주고 "title"이라는 이름의 title객체를 넘김
// Intent intent = new Intent();
// intent.putExtra("title", title);
// intent.putExtra("content", content);
// Intent intent = new Intent();
// intent.putExtra("a1","testAA");
// intent.putExtra("b1","testBB");
// intent.putExtra("c1","testCC");
setResult(1, intent);//데이터를 돌려보내는 함수 즉 데이터 저장
finish();//Activity종료료
전체설명
메인 액티비티에서 버튼누르고 들어가면 Newclass라는 글쓰는 클래스가 나오고
거기서 Note라는 Serializeble을 implements한 데이터클래스에 제목 내용을 저장하고 메인으로 객체를 보내서 test로 Toask를 찍어볼려고 하는데 자꾸 객체가 null이라고 예외상황으로 빠지네요....... 고수님들 ㅠㅠㅠ도와주세요
오류관련부분입니다 ㅠㅠ
D/OpenGLRenderer: endAllStagingAnimators on 0xa1998280 (RippleDrawable) with handle 0xaa2ce0e0
W/Bundle: Key note expected Parcelable but value was a smc.minjoon.myintentdata.Note. The default value <null> was returned.
W/Bundle: Attempt to cast generated internal exception:
java.lang.ClassCastException: smc.minjoon.myintentdata.Note cannot be cast to android.os.Parcelable
at android.os.Bundle.getParcelable(Bundle.java:792)
at android.content.Intent.getParcelableExtra(Intent.java:5377)
at smc.minjoon.myintentdata.MainActivity$override.onActivityResult(MainActivity.java:71)
at smc.minjoon.myintentdata.MainActivity$override.access$dispatch(MainActivity.java)
at smc.minjoon.myintentdata.MainActivity.onActivityResult(MainActivity.java:0)
at android.app.Activity.dispatchActivityResult(Activity.java:6428)
at android.app.ActivityThread.deliverResults(ActivityThread.java:3695)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3742)
at android.app.ActivityThread.-wrap16(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1393)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
W/System.err: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String smc.minjoon.myintentdata.Note.getTitle()' on a null object reference
W/System.err: at smc.minjoon.myintentdata.MainActivity$override.onActivityResult(MainActivity.java:72)
W/System.err: at smc.minjoon.myintentdata.MainActivity$override.access$dispatch(MainActivity.java)
W/System.err: at smc.minjoon.myintentdata.MainActivity.onActivityResult(MainActivity.java:0)
W/System.err: at android.app.Activity.dispatchActivityResult(Activity.java:6428)
W/System.err: at android.app.ActivityThread.deliverResults(ActivityThread.java:3695)
W/System.err: at android.app.ActivityThread.handleSendResult(ActivityThread.java:3742)
W/System.err: at android.app.ActivityThread.-wrap16(ActivityThread.java)
W/System.err: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1393)
W/System.err: at android.os.Handler.dispatchMessage(Handler.java:102)
W/System.err: at android.os.Looper.loop(Looper.java:148)
W/System.err: at android.app.ActivityThread.main(ActivityThread.java:5417)
W/System.err: at java.lang.reflect.Method.invoke(Native Method)
W/System.err: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
W/System.err: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)