Verwenden von Butterknife in Android

Question

Ich versuche, Butterknife in Android zu verwenden, scheint es nicht zu funktionieren. Könntest du mir zeigen, wo ich falsch liege?

Ich habe versucht, einen Debug-Punkt in 'OnClick' zu platzieren, scheint aber nicht dorthin zu kommen.

Gradle Abhängigkeiten (app)

compile 'com.jakewharton:butterknife:8.8.1' 
    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1' 

activity_main.xml

<LinearLayout 
     android:id="@+id/action_container" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:orientation="horizontal" 
     android:layout_below="@+id/fragment_container" 
     android:weightSum="2"> 
     <Button 
      android:id="@+id/btn_frg_one" 
      android:layout_width="0dp" 
      android:layout_height="wrap_content" 
      android:layout_weight="1" 
      android:text="Fragment One"/> 
     <Button 
      android:id="@+id/btn_frg_two" 
      android:layout_width="0dp" 
      android:layout_height="wrap_content" 
      android:layout_weight="1" 
      android:text="Frag Two"/> 
    </LinearLayout> 

MainActivity.java

@OnClick({R.id.btn_frg_one, R.id.btn_frg_two}) 
    public void addFrgToCon(View view){ 
     switch (view.getId()){ 
      case R.id.btn_frg_one: 
       addFragment(new FOne()); 
       break; 
      case R.id.btn_frg_two: 
       addFragment(new FTwo()); 
       break; 
     } 
    } 

    public void addFragment(Fragment fragment){ 
     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); 
     transaction.replace(R.id.fragment_container, fragment); 
     transaction.addToBackStack(null); 
     transaction.commit(); 
    } 

Answer 1

Ich glaube, Sie dieses

vergessen

ButterKnife.bind(this);

für weitere Informationen lesen Butternife

Answer 2

> use ButterKnife.bind(this); 
> 
> 
> Other provided binding APIs: 
> 
>  Bind arbitrary objects using an activity as the view root. If you use a pattern like MVC you can bind the controller using its activity 
> with ButterKnife.bind(this, activity). 
> 
>  Bind a view's children into fields using ButterKnife.bind(this). If you use <merge> tags in a layout and inflate in a custom view 
> constructor you can call this immediately after. Alternatively, custom 
> view types inflated from XML can use it in the onFinishInflate() 
> callback.