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조각으로 만 만들려고합니다. 햄버거 아이콘을 클릭하면 ActionBar 만있는 Activity blank가 열리고 메뉴 옵션을 제공하는 서랍이 열립니다.fragmentB에서 fragmentA까지 액션 바 업 그레 이드
메뉴 항목 중 하나를 클릭하면 Recycler/Card View가있는 First Fragment가 열립니다. 카드 중 하나를 클릭하면 선택한 카드에 대한 세부 정보가 포함 된 새로운 조각이 열립니다.
이제는 세부 조각에 홈 아이콘이 표시되어 setDisplayHomeAsUpEnabled (true)를 사용할 수 있지만 뒤로 화살표를 클릭해도 아무 것도하지 않습니다. 하드웨어 백 버튼은 이전 (Recycler/Card View) 프래그먼트로 돌아갑니다. 또한 세부 조각에 setHasOptionsMenu (true)가 있습니다. 로그 버튼을 사방에 배치하여 홈 버튼이 반응하지만 아무 것도 볼 수 없습니다.
누군가 나를 도와 줄 수 있기를 바랍니다.
활동 :
public class AppStart extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener {
ActionBarDrawerToggle actionBarDrawerToggle;
final String TAG = "AppSart: onBackPressed";
final String TAG1 = "AppSart: resetActionBar";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_app_start);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
}
@Override
public void onBackPressed() {
int stack = getSupportFragmentManager().getBackStackEntryCount();
Log.d(TAG,Integer.toString(stack));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
return false;
}
public void resetActionBar(boolean childAction)
{
Log.d(TAG1,Boolean.toString(childAction));
if (childAction) {
actionBarDrawerToggle.setDrawerIndicatorEnabled(false);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
} else {
getSupportActionBar().setDisplayHomeAsUpEnabled(false);
actionBarDrawerToggle.setDrawerIndicatorEnabled(true);
}
}
}
휴지통 조각 :
public class ProductFragment extends Fragment {
final String TAG1 = "ProdFrag: onCreate";
final String TAG2 = "ProdFrag: onCreateView";
final String TAG3 = "ProdFrag: onResume";
final String TAG6 = "ProdFrag: ActionSetting";
final String TAG7 = "ProdFrag: home";
public ProductFragment() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
int stack = getActivity().getSupportFragmentManager().getBackStackEntryCount();
Log.d(TAG1,Integer.toString(stack));
boolean canback = stack>0;
((AppStart)getActivity()).resetActionBar(canback);
}
@Override
public void onResume() {
super.onResume();
int stack = getActivity().getSupportFragmentManager().getBackStackEntryCount();
Log.d(TAG3,Integer.toString(stack));
boolean canback = stack>0;
((AppStart)getActivity()).resetActionBar(canback);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view=inflater.inflate(R.layout.fragment_product,container,false);
int stack = getActivity().getSupportFragmentManager().getBackStackEntryCount();
Log.d(TAG2,Integer.toString(stack));
return view;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
// Inflate the menu; this adds items to the action bar if it is present.
inflater.inflate(R.menu.toolbar_menu, menu);
super.onCreateOptionsMenu(menu,inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int stack = getActivity().getSupportFragmentManager().getBackStackEntryCount();
switch (item.getItemId()) {
case R.id.action_settings:
Log.d(TAG6,Integer.toString(stack));
return true;
default:
break;
}
return false;
}
}
상세 조각 :
public class ProductTabsFragment extends Fragment {
final String TAG1 = "TabFrag: onCreate";
final String TAG2 = "TabFrag: onResume";
final String TAG3 = "TabFrag: ActionSettings";
final String TAG4 = "TabFrag: home";
final String TAG5 = "TabFrag: onBckStkChng";
final String TAG6 = "TabFrag: onNavigateUp";
public ProductTabsFragment() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
int stack = getActivity().getSupportFragmentManager().getBackStackEntryCount();
Log.d(TAG1,Integer.toString(stack));
boolean canback = stack>0;
((AppStart)getActivity()).resetActionBar(canback);
}
@Override
public void onResume() {
super.onResume();
int stack = getActivity().getSupportFragmentManager().getBackStackEntryCount();
Log.d(TAG2,Integer.toString(stack));
boolean canback = stack>0;
((AppStart)getActivity()).resetActionBar(canback);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_product_tabs, container, false);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
// Inflate the menu; this adds items to the action bar if it is present.
inflater.inflate(R.menu.toolbar_menu, menu);
super.onCreateOptionsMenu(menu,inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int stack = getActivity().getSupportFragmentManager().getBackStackEntryCount();
switch (item.getItemId()) {
case R.id.action_settings:
Log.d(TAG3,Integer.toString(stack));
return true;
case android.R.id.home:
Log.d(TAG4,Integer.toString(stack));
//getActivity().onBackPressed();
return true;
default:
break;
}
return false;
}
}
또한,이 카드가로드를 클릭 때의 재활용 어댑터의 코드가있다 세부 조각 :
cvProduct.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View view) {
ProductTabsFragment productTabsFragment = new ProductTabsFragment();
AppCompatActivity activity = (AppCompatActivity) view.getContext();
FragmentTransaction transaction = activity.getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.fragment_container,productTabsFragment);
transaction.addToBackStack(null);
transaction.commit();
}
});