I'm a beginner. I'm trying to make Locale project with Android Studio. So I made a class regard with Context. In MainActivity required a constructor. But, I'm heard that MainActivity do not need constructor but onCreate. Here is my code.…
I am trying to implement dynamic dropdownButton in my app where the items of dropdown is going to come from the names of columns in my excel sheet. I am able to show all the columns of excel but I…
how to solve this kind of problem starActivityForResult please any budy guide me to solve this
@Dao interface ArticleDAO { @Insert(onConflict = OnConflictStrategy.REPLACE) suspend fun upsert(article: Article) : Long @Query("SELECT * FROM articles") fun getAllArticles(): LiveData<List<Article>> @DELETE suspend fun deleteArticles(article: Article) } Hi! On running this code, I get the following error: An abstract DAO method…
Is there a plugin in Android studio for Writing comments in a faster way, The Tabnine code completion Plugin is great for Wirting code , but java doc or Other such commenting features are missing, VS code has the Plugin…
I know that in Java, it is possible to do the following: boolean condition = true; for(int i=0; i<array.length && condition; i++){ } If the condition is false, the for loop stops, but, how to do the same in Kotlin?
I'm making an app to search courses on firebase. The app bar shows a text: "Home", and it has a search button at the rigth side of the screen: I want to hide that "Home" text from de app bar…
<androidx.constraintlayout.widget.ConstraintLayout android:layout_width="match_parent" android:layout_height="match_parent" > <Button android:id="@+id/open_explanation_button" android:layout_width="30dp" android:layout_height="30dp" android:background="@drawable/open_dialog" app:layout_constraintEnd_toEndOf="parent" /> <TextView android:id="@+id/movieRatingText" android:layout_width="match_parent" android:layout_height="30dp" android:gravity="center" android:layout_weight="53" android:text="Rating: R" android:textColor="@color/white" android:textSize="20sp" app:autoSizeMaxTextSize="100sp" app:autoSizeMinTextSize="12sp" app:autoSizeStepGranularity="2sp" app:autoSizeTextType="uniform" app:layout_constraintTop_toBottomOf="@+id/inASeriesOrNoText" app:layout_constraintStart_toStartOf="parent" app:layout_constraintEnd_toEndOf="parent" /> I have a button with an id of open_explanation_button, I need…
I want to correct the error of the code. My Problem is: Non-nullable instance fields must be initialized.
I am a completely begginer guy in Android Studio and mobile apps in general. I used to create websites on Wordpress and i don't have so much experience on coding. Recently i started experimenting with mobile apps and mostly Android…