어플 개발이 완전 초보여서 다 올려 봅니다 ㅠㅠㅠ
어플을 실행하면 종료가 됩니다.
그 전에 메인화면에서 JoinActivity로만 이동 할 때는 괜찮았는데 다른 것 들을 추가하면서 문제가 생겼습니다ㅠㅠㅠ
 
로그캣입니다.
     Caused by: android.view.InflateException: Binary XML file line #38: Binary XML file line #38: Error inflating class ImageView
        at com.example.helloworld.MainActivity.onCreate(MainActivity.java:18)
        
     Caused by: android.view.InflateException: Binary XML file line #38: Error inflating class ImageView
        at com.example.helloworld.MainActivity.onCreate(MainActivity.java:18) 
       
     Caused by: android.content.res.Resources$NotFoundException: Resource "com.example.helloworld:drawable/logo" (7f0700a2) is not a Drawable (color or path): TypedValue{t=0x1/d=0x7f0700a2 a=-1 r=0x7f0700a2}
        at com.example.helloworld.MainActivity.onCreate(MainActivity.java:18) 
 
MainActivity
public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button inButton=(Button)findViewById(R.id.sign_up);
        inButton.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                Intent intent=new Intent(getApplicationContext(),HomeActivity.class);
                startActivity(intent);
                finish();
            }
        });
        Button upButton=(Button)findViewById(R.id.sign_up);
        upButton.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                Intent intent=new Intent(getApplicationContext(),JoinActivity.class);
                startActivity(intent);
            }
        });
    }
} 
JoinActivity
public class JoinActivity extends AppCompatActivity {
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.join);
        Button joButton=(Button) findViewById(R.id.up_b);
        joButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });
    }
}
 
manifest
        </activity>
        <activity android:name=".JoinActivity"
                    android:label="회원가입 창"/>
        <activity android:name=".FuctionActivity"
                    android:label="기능 창"/>
        <activity android:name=".HomeActivity"
                    android:label="기본 창"/>
        <activity android:name=".SetActivity"
                    android:label="설정 창"/>