Zhuinden

    private Subscription queryDogsByInput() {
        return RxTextView.textChanges(editText)
                         .switchMap(charSequence -> realm.where(Dog.class)
                                                         .contains(DogFields.NAME, charSequence.toString())
                                                         .findAllSortedAsync(DogFields.NAME)
                                                         .asObservable()
                        ).filter(RealmResults::isLoaded) // filter async results while not loaded
                         .subscribe(dogs -> adapter.updateData(dogs));
    }

Zhuinden

catService.getCats()
          .subscribeOn(Schedulers.io()) 
  .retry()
  .subscribe(catsBO -> {
      try(Realm realm = Realm.getDefaultInstance()) {
        Cat defaultCat = new Cat();
        long rank;
        if(realm.where(Cat.class).count() > 0) {
            rank = realm.where(Cat.class).max(CatFields.RANK).longValue();
        } else {

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// SAY NO TO THIS
Realm realm = Realm.getDefaultInstance();
realm.beginTransaction(); // NO
realm.copyToRealm(dog)
realm.commitTransaction(); // NO NO NO NO NO
    // CLOSE THE REALM OH MY GOD WHY

// ----------------------

// SAY YES TO THIS

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  adapter = new RealmRecyclerViewAdapter<Dog, DogViewHolder>(getContext(), 
                  realm.where(Dog.class).contains(currentName).findAllAsync(), true) { // query definition + true == automatic updates
    @Override
    public DogViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
      return new DogViewHolder(LayoutInflater.from(parent.getContext())
                                             .inflate(R.layout.view_dog_item, parent, false));
    }

    @Override
    public void onBindViewHolder(DogViewHolder holder, int position) {

Zhuinden

try(Realm realm = Realm.getDefaultInstance()) {
    final RealmResults<Dog> dogs = realm.where(Dog.class).findAll(); // NO
    realm.executeTransaction(inRealm -> { // NO
        for(Dog dog : dogs) { // NO
           //...
        }
    });
}

////////////////////

Zhuinden

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        jcenter()
        mavenCentral()
        maven {url "https://clojars.org/repo/"}
        maven { url "https://jitpack.io" }
    }
    dependencies {

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apply plugin: 'com.android.application'
//apply plugin: 'com.neenbedankt.android-apt'
//apply plugin: 'me.tatarka.retrolambda'
apply plugin: 'realm-android' // <-- added this line

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apply plugin: 'com.android.application'
//apply plugin: 'com.neenbedankt.android-apt'
//apply plugin: 'me.tatarka.retrolambda'
apply plugin: 'realm-android'

android {
    compileSdkVersion 24
    buildToolsVersion "24.0.2"

    //compileOptions {

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#realm
-keepnames public class * extends io.realm.RealmObject
-keep @io.realm.annotations.RealmModule class *
-keep class io.realm.** { *; }
-dontwarn javax.**
-dontwarn io.realm.**

#realm 0.84.1+
-keep class io.realm.annotations.RealmModule
-keep @io.realm.annotations.RealmModule class *

Zhuinden

public class NewsActivity extends AppCompatActivity {
  // ...
  private RealmChangeListener<RealmResults<NewsPost>> realmChangeListener;
  private RealmResults<NewsPost> listenerSet;
  private long postId;
  
  private Realm realm;

  @Override
  protected void onCreate(Bundle bundle) {