[안드로이드] 다른 Activity Method 호출

[Step 1] 호출하고 싶은 함수가 있는 Activity에 public static Context 변수 생성 후, this 지정

public class MainActivity extends AppCompatActivity {
    public static Context mContext;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mContext = this;
    }
}

[Step 2] 호출 방법

((MainActivity)MainActivity.mContext).initView();

※ 참고

[1] http://itbrain.tistory.com/entry/%EC%95%88%EB%93%9C%EB%A1%9C%EC%9D%B4%EB%93%9C-%EB%8B%A4%EB%A5%B8-%EC%95%A1%ED%8B%B0%EB%B9%84%ED%8B%B0%EC%9D%98-%ED%95%A8%EC%88%98-%ED%98%B8%EC%B6%9C

[2] http://arabiannight.tistory.com/entry/330

[3] http://kwangsics.tistory.com/entry/Android-Activity%EC%97%90%EC%84%9C-Fragment-%ED%95%A8%EC%88%98-%ED%98%B8%EC%B6%9C

[4] http://www.masterqna.com/android/32730/activity%EC%97%90%EC%84%9C-fragment-%ED%95%A8%EC%88%98%EB%A5%BC-%ED%98%B8%EC%B6%9C%ED%95%98%EB%A0%A4%EA%B3%A0-%ED%95%A9%EB%8B%88%EB%8B%A4