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Using @Component.Builder with constructor params


Using @Component.Builder with constructor params

By : J. Doe
Date : November 18 2020, 03:01 PM
I hope this helps . To create a component all the modules need to be supplied. Now Dagger can create any module that has a no-arg constructor itself, so that you don't have to pass it in.
code :
@Module
class NetworkModule(baseUrl: String) { /* ... */ }
@Component.Builder
interface Builder {

  @BindsInstance
  fun application(application: Application): Builder

  // binds a `String` to the component
  @BindsInstance
  fun networkModule(baseUrl: String): Builder

  // no method to set the NetworkModule!

  fun build(): AppComponent
}
@Component.Builder
interface Builder {

  @BindsInstance
  fun application(application: Application): Builder

  // add the module manually
  fun networkModule(networkModule: NetworkModule): Builder

  fun build(): AppComponent
}
builder
  .application(app)
  .networkModule(NetworkModule(MY_BASE_URL)) // create the module yourself
  .build()
@Module
class NetworkModule() { /* ... */ } // no-arg constructor
@Component.Builder
interface Builder {

  @BindsInstance
  fun application(application: Application): Builder

  // bind a `String` named "baseUrl" to this component
  @BindsInstance
  fun baseUrl(@Named("baseUrl") baseUrl: String): Builder

  fun build(): AppComponent
}
@Module
class NetworkModule() {

  // other methods omitted

  @Provides
  @Singleton
  fun provideRetrofit(
          // request a String named baseUrl from Dagger
          @Named("baseUrl") baseUrl: String, 
          okHttpClient: OkHttpClient
  ): Retrofit {
    return Retrofit.Builder()
            .baseUrl(baseUrl)
            // ...
            .build()
  }


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Should I give params to the constructor or to AsyncTask.execute(params)?

Should I give params to the constructor or to AsyncTask.execute(params)?


By : vajeendra
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , As to why the docs do everything in the method can be as a result of their example choice. Usually, you're more likely to extend your AsyncTask and only use doInBackground(), not the constructor.
Anyways, the documentation states:
code :
(progress[0]/data.length) * 100
angular 2 downgrade component: Why the constructor params bring this error: (SystemJS) Can't resolve all parameters for

angular 2 downgrade component: Why the constructor params bring this error: (SystemJS) Can't resolve all parameters for


By : Forhad Chowdhury
Date : March 29 2020, 07:55 AM
this one helps. DI has to be provided by the module, it will be inherited by lower modules.
I have never tried to use a downgrade like that one, but seems to be an issue with the way to provide the classes to inject, maybe the mechanism for that doesn't exists when you are running the component on this way.
Transforming child constructor params for parent constructor in Kotlin

Transforming child constructor params for parent constructor in Kotlin


By : Mani Bharathi
Date : March 29 2020, 07:55 AM
With these it helps I'd suggest using a simpler, private constructor, and adding a factory method to do the conversion, e.g.:
code :
class Derived private constructor(val w: Int, val h: Int) : Base(w, h) {
    companion object {
        operator fun invoke(x: Int): Derived {
            // Some complex derivation…
            val c = Converter(x)
            return Derived(c.a, c.b)
        }
    }
}
firebasex error: constructor Builder in class Builder cannot be applied to given types

firebasex error: constructor Builder in class Builder cannot be applied to given types


By : user3071797
Date : March 29 2020, 07:55 AM
wish help you to fix your issue For clarity and people just like me searching 'firebase-x boolean areNotificationsEnabled = notificationManagerCompat.areNotificationsEnabled();', the answer is @mobiemp 's comment re android v4.
Simply remove it:
code :
# ionic users
ionic cordova plugin remove cordova-plugin-android-support-v4
# cordova users
cordova plugin remove cordova-plugin-android-support-v4

cordova clean android; # flush it out

# then use your run command again, ie 
ionic cordova run android  -lc  --address=0.0.0.0;
Builder pattern but builder in objects constructor

Builder pattern but builder in objects constructor


By : floatandtwirl
Date : March 29 2020, 07:55 AM
I wish this helpful for you The constructor is protected in order to restrict the possibilty of creating new instances of myClass outside the protected scope.
This looks a bit strange because usually a builder uses private constructor to totally avoid the creation of the instance by the client code without using the builder.
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