android-fragments

问题 Take for example the app I'm currently working on: - it has an navigationDrawer with multiple items; there are two items which interest me for now, i'll call them X and Y. both X and Y, when clicked on, display a fragment containing a list of x-elements or y-elements selecting and x or y list element displays a new fragment in which I display info about the select item; the view fragments are different for x and y elements in the view fragment I can choose to edit the specific element which

问题 I want to show navigation drawer icon instead of Back button on a certain fragment. I created the App with Navigation graph. Let's say i have 2 fragments ( LoginFragment and DashboardFragment ) and one activity ( MainActivity ) MainActivity.kt class MainActivity : AppCompatActivity() { lateinit var drawerLayout: DrawerLayout override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) val binding = DataBindingUtil.setContentView<ActivityMainBinding>(this, R.layout

问题 I am using only dagger2 ( not dagger-android ) in my project. It's working fine to inject the ViewModel using multibinding. But there's one problem with that previously without dagger2 I was using the same instance of viewmodel used in activity in multiple fragments (using fragment-ktx method activityViewModels()), but now since dagger2 is injecting the view model it's always gives the new instance (checked with hashCode in each fragment) of the viewmodel for each fragment, that's just breaks

问题 I have this code and everytime I tried to run it ..the application is not running not error but not running can anyone please help me to determine what is the reason for getting this kind of problem. because I'm doing RecyclerView with CardView in fragment I have this problem almost a week :( this is my code: public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.MyViewHolder> { private Context mContext ; private List<Book> mData ; public RecyclerViewAdapter(Context

问题 The bounty expires in 20 hours . Answers to this question are eligible for a +50 reputation bounty. AskQ is looking for a canonical answer . I have a viewpager which has 10 fragments. when i swipe back to 2nd fragment from 9th fragment, textview's content is getting trimmed as shown in below image! It is only showing first letter of all textviews. What's the issue? Code ViewPagerAdapter: public class ViewPagerAdapter extends FragmentStatePagerAdapter { ArrayList<String> arrayList; int baseId

问题 The bounty expires in 20 hours . Answers to this question are eligible for a +50 reputation bounty. AskQ is looking for a canonical answer . I have a viewpager which has 10 fragments. when i swipe back to 2nd fragment from 9th fragment, textview's content is getting trimmed as shown in below image! It is only showing first letter of all textviews. What's the issue? Code ViewPagerAdapter: public class ViewPagerAdapter extends FragmentStatePagerAdapter { ArrayList<String> arrayList; int baseId

问题 The bounty expires in 20 hours . Answers to this question are eligible for a +50 reputation bounty. AskQ is looking for a canonical answer . I have a viewpager which has 10 fragments. when i swipe back to 2nd fragment from 9th fragment, textview's content is getting trimmed as shown in below image! It is only showing first letter of all textviews. What's the issue? Code ViewPagerAdapter: public class ViewPagerAdapter extends FragmentStatePagerAdapter { ArrayList<String> arrayList; int baseId

问题 I am newbie at android and I try to build tab activity. It is my MainActivity: public class MainActivity extends AppCompatActivity { Toolbar toolbar; TabLayout tabLayout; ViewPager viewPager; ViewPagerAdapter viewPagerAdapter; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); toolbar = (Toolbar) findViewById(R.id.toolBar); setSupportActionBar(toolbar); tabLayout = (TabLayout) findViewById(R.id.tabLayout); viewPager

问题 I am using the Camera2Basic example from Google Samples (https://github.com/googlesamples/android-Camera2Basic) to display a camera preview inside a fragment. This fragment contains a RelativeLayout and a custom AutoFitTextureView. The latter can be found on the link above. I have adjusted the layout to center the preview and remove control buttons: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match

问题 I am using the Camera2Basic example from Google Samples (https://github.com/googlesamples/android-Camera2Basic) to display a camera preview inside a fragment. This fragment contains a RelativeLayout and a custom AutoFitTextureView. The latter can be found on the link above. I have adjusted the layout to center the preview and remove control buttons: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match