FAQ

Problem
Presenter.getViewState() always is null.

Solution

• Check your Presenter is annotated with @InjectViewState. If you don't want this annotation, then set ViewState manually using MvpPresenter<View extends MvpView>.setViewState(MvpViewState<View>).
  
• Check Presenter has public default constructor
  
• Check Annotation Processor is enabled

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Problem
Presenter annotated @InjectPresenter is always null.

Solution
Check class, that contains it's field, calls MvpDelegate methods. MvpDelegate.onCreate(Bundle) is required for presenter injection.

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Problem
Executing gradlew assembleDebug will fail if android-apt version is 1.8 (most recent for now)

Solution
android-apt 1.8 needs in JDK 1.8. You can tell gradlew to use specific version of JDK by setting it up in gradle.properties or by adding parameter to the terminal command like: gradlew -Dorg.gradle.java.home="path_to_jdk_home" assembleDebug

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Problem
Gradle log warning: Warning:Ignoring Android API artifact com.google.android:android:4.0.1.2 for debug

Solution
Exclude com.google.android from dependency:

compile ('com.arello-mobile:moxy:0.5.4'){
    exclude group: 'com.google.android'
}
compile ('com.arello-mobile:moxy-android:0.5.4'){
    exclude group: 'com.google.android'
}
apt 'com.arello-mobile:moxy-compiler:0.5.4'