Droidkaigiで紹介した資料です。

13. public interface Callback {
void onSuccess(List<Recipe> recipes);
void onError(Throwable t);
}
public void searchRecipe(String keyword, Callback callback) {
recipeApiClient.search(keyword, callback);
}

14. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}

15. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}

16. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}

17. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}

18. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}
!

19. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}
!
!

20. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}
!
!
!

21. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}
!
!
!
!

22. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}

23. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}

24. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}

25. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}

26. searchRecipe(“ステーキ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
addToList(recipes);
}
@Override
public void onError(Throwable t) {
showErrorView(t);
}
});
}
"

28.
# app/build.gradle
dependencies {
compile 'io.reactivex:rxjava:1.1.1'
compile 'io.reactivex:rxandroid:1.1.0'
}

29. public void searchRecipe(String keyword, Callback callback) {
recipeApiClient.search(keyword, callback);
}

30. public void searchRecipe(String keyword, Callback callback) {
recipeApiClient.search(keyword, callback);
}

31. public void searchRecipe(String keyword, Callback callback) {
recipeApiClient.search(keyword, callback);
}

32.
public void searchRecipe(String keyword) {
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
}
@Override
public void onError(Throwable t) {
}
});
}

33.
public void searchRecipe(String keyword) {
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
}
@Override
public void onError(Throwable t) {
}
});
}

34.
public Observable<List<Recipe>> searchRecipe(String keyword) {
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
}
@Override
public void onError(Throwable t) {
}
});
}

35.
public Observable<List<Recipe>> searchRecipe(String keyword) {
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
}
@Override
public void onError(Throwable t) {
}
});
}

36. public Observable<List<Recipe>> searchRecipe(String keyword) {
return Observable.create(subscriber -> {
});
}
void
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
}
@Override
public void onError(Throwable t) {
}
});

37. public Observable<List<Recipe>> searchRecipe(String keyword) {
return Observable.create(subscriber -> {
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
}
@Override
public void onError(Throwable t) {
}
});
});
}
void

38. public Observable<List<Recipe>> searchRecipe(String keyword) {
return Observable.create(subscriber -> {
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
subscriber.onNext(recipes);// イベントの通知
subscriber.onCompleted(); // 全イベントが終了した通知
}
@Override
public void onError(Throwable t) {
subscriber.onError(t); // 処理内で失敗した通知
}
});
});
}
void

39. public Observable<List<Recipe>> searchRecipe(String keyword) {
return Observable.create(subscriber -> {
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
subscriber.onNext(recipes);// イベントの通知
subscriber.onCompleted(); // 全イベントが終了した通知
}
@Override
public void onError(Throwable t) {
subscriber.onError(t); // 処理内で失敗した通知
}
});
});
}
void

40. public Observable<List<Recipe>> searchRecipe(String keyword) {
return Observable.create(subscriber -> {
recipeApiClient.search(keyword, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
subscriber.onNext(recipes);// イベントの通知
subscriber.onCompleted(); // 全イベントが終了した通知
}
@Override
public void onError(Throwable t) {
subscriber.onError(t); // 処理内で失敗した通知
}
});
});
}
void

41. public List<Recipe> searchRecipe(String keyword) throws HttpException {
// okhttpとかHttpClientで同期通信
}
public Observable<List<Recipe>> searchRecipe(String keyword) {
return Observable.create(subscriber -> {
try{
List<Recipe> recipes = ApiClient.search(keyword);
subscriber.onNext(recipes);
subscriber.onFinished();
} catch(HttpException e) {
subscriber.onError(e);
}
}

42. searchRecipe(“ステーキ”)
.subscribe(new Subscriber<List<Recipe>>() {
@Override
public void onNext(List<Recipe> recipe) {
addToList(recipes);
}
@Override
public void onError(Throwable e) {
showErrorMessage(t);
}
@Override
public void onCompleted() {
});
);

43. searchRecipe(“ステーキ”)
.subscribe(new Subscriber<List<Recipe>>() {
@Override
public void onNext(List<Recipe> recipe) {
addToList(recipes);
}
@Override
public void onError(Throwable e) {
showErrorMessage(t);
}
@Override
public void onCompleted() {
});
);

44. searchRecipe(“ステーキ”)
.subscribe(new Subscriber<List<Recipe>>() {
@Override
public void onNext(List<Recipe> recipe) {
addToList(recipes);
}
@Override
public void onError(Throwable e) {
showErrorMessage(t);
}
@Override
public void onCompleted() {
});
);

45. searchRecipe(“ステーキ”)
.subscribe(new Subscriber<List<Recipe>>() {
@Override
public void onNext(List<Recipe> recipe) {
addToList(recipes);
}
@Override
public void onError(Throwable e) {
showErrorMessage(t);
}
@Override
public void onCompleted() {
});
);

46. searchRecipe(“ステーキ”)
.subscribe(new Subscriber<List<Recipe>>() {
@Override
public void onNext(List<Recipe> recipe) {
addToList(recipes);
}
@Override
public void onError(Throwable e) {
showErrorMessage(t);
}
@Override
public void onCompleted() {
});
);
!

47. searchRecipe(“ステーキ”)
.subscribe(new Subscriber<List<Recipe>>() {
@Override
public void onNext(List<Recipe> recipe) {
addToList(recipes);
}
@Override
public void onError(Throwable e) {
showErrorMessage(t);
}
@Override
public void onCompleted() {
});
);
!
!

48. searchRecipe(“ステーキ”)
.subscribe(new Subscriber<List<Recipe>>() {
@Override
public void onNext(List<Recipe> recipe) {
addToList(recipes);
}
@Override
public void onError(Throwable e) {
showErrorMessage(t);
}
@Override
public void onCompleted() {
});
);
!
!
!

49. searchRecipe(“ステーキ”)
.subscribe(new Subscriber<List<Recipe>>() {
@Override
public void onNext(List<Recipe> recipe) {
addToList(recipes);
}
@Override
public void onError(Throwable e) {
showErrorMessage(t);
}
@Override
public void onCompleted() {
});
);
!
!
!
!

50. searchRecipe(“ステーキ”)
.subscribe(recipes -> {
addToList(recipes);
},
throwable -> {
showErrorMessage(t);
},
() -> {
// 省略可能
}
);

51. searchRecipe(“ステーキ”)
.subscribe(recipes -> {
addToList(recipes);
},
throwable -> {
showErrorMessage(t);
},
() -> {
// 省略可能
}
);

52. searchRecipe(“ステーキ”)
.subscribe(recipes -> {
addToList(recipes);
},
throwable -> {
showErrorMessage(t);
},
() -> {
// 省略可能
}
);

53. searchRecipe(“ステーキ”)
.subscribe(recipes -> {
addToList(recipes);
},
throwable -> {
showErrorMessage(t);
},
() -> {
// 省略可能
}
);
!
!
!
!

54. 🙇

61. searchRecipeBy(“ステーキ”)
.map(recipes -> { /* todo something */ })
.subscribeOn(Schedulers.io())
.map(recipes -> { /* todo something */ })
.subscribe(recipes -> {});

62. searchRecipeBy(“ステーキ”)
.map(recipes -> { /* todo something */ })
.subscribeOn(Schedulers.io())
.map(recipes -> { /* todo something */ })
.subscribe(recipes -> {});

63. searchRecipeBy(“ステーキ”)
.map(recipes -> { /* todo something */ })
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.map(recipes -> { /* todo something */ })
.observeOn(Schedulers.io())
.subscribe(recipes -> {});

64. searchRecipeBy(“ステーキ”)
.map(recipes -> { /* todo something */ })
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.map(recipes -> { /* todo something */ })
.observeOn(Schedulers.io())
.subscribe(recipes -> {});

65. searchRecipeBy(“ステーキ”)
.map(recipes -> { /* todo something */ })
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {});

66. searchRecipe(“ステーキ”)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addToList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

67. searchRecipe(“ステーキ”)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addToList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

68. searchRecipe(“ステーキ”)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addToList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

69. searchRecipe(“ステーキ”)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addToList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);
!
!
!
!

72. searchRecipeBy(“ハンバーグ”, new Callback() {
@Override
public void onSuccess(List<Recipe> recipes) {
if(getActivity() == null) { return; }
addToList(recipes);
}
@Override
public void onError(Throwable t) {
if(getActivity() == null) { return; }
showErrorMessage(t);
}
});
}

73.
# app/build.gradle
dependencies {
compile 'com.trello:rxlifecycle:0.4.0'
compile 'com.trello:rxlifecycle-components:0.4.0'
}

74. searchRecipeBy(“ハンバーグ”)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

75. searchRecipeBy(“ハンバーグ”)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

76. searchRecipeBy(“ハンバーグ”)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

77. searchRecipeBy(“ハンバーグ”)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);
!
!
!
!

78. searchRecipeBy(“ハンバーグ”)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

79. searchRecipeBy(“ハンバーグ”)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

80. searchRecipeBy(“ハンバーグ”)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

81. searchRecipeBy(“ハンバーグ”)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(recipes -> {
addList(recipes);
},
throwable -> {
showErrorMessage(t);
}
);

85. #
#
#
#
!
!
!

86. #
#
#
#
!
!
!

87. !
!
!

88. !
!
!

89. !
!
!

90. !
!
!

91. !
!
!

92. !
!
!

93. !
!
!

94. !
!
!

95. !
!
!

97. !

98. !

99. !
!

100. !
!
!

101. !
!
!

102. Observable.combineLatest(
Observable.just(1),
Observable.just(2),
(i1,i2) -> i1 + i2 // この場合、3が次のオペレーターに渡る
);

103. Observable.combineLatest(
Observable.just(1),
Observable.just(2),
(i1,i2) -> Pair.create(i1, i2)
);
Observable.combineLatest(
Observable.just(1),
Observable.just(2),
Pair::create
);

104. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”), // 広告情報を取得するメソッドだと思って下さい
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToListWithBannerIfExist(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);

105. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”), // 広告情報を取得するメソッドだと思って下さい
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToListWithBannerIfExist(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);

106. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”), // 広告情報を取得するメソッドだと思って下さい
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToListWithBannerIfExist(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);

107. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”), // 広告情報を取得するメソッドだと思って下さい
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToListWithBannerIfExist(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);

108. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”), // 広告情報を取得するメソッドだと思って下さい
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToListWithBannerIfExist(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);

109. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”), // 広告情報を取得するメソッドだと思って下さい
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToListWithBannerIfExist(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);

110. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”), // 広告情報を取得するメソッドだと思って下さい
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToListWithBannerIfExist(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);

111. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”), // 広告情報を取得するメソッドだと思って下さい
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToListWithBannerIfExist(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);

116. 😱

117. 😱

118. 😱

119. AdObservable(“タマゴ”)
.onErrorReturn(throwable -> AdModel.EmptyData());

120. public Observable<AdModel> searchAd(String keyword) {
return Observable.create(subscriber -> {
try{
AdModel adModel = adClient.search(keyword);
subscriber.onNext(adModel);
} catch(HttpException e) {
subscriber.onError(e);
})
.onErrorReturn(e -> {
return AdModel.createEmptyData();
});
}

121. public Observable<AdModel> searchAd(String keyword) {
return Observable.create(subscriber -> {
try{
AdModel adModel = adClient.search(keyword);
subscriber.onNext(adModel);
} catch(HttpException e) {
subscriber.onError(e);
})
.onErrorReturn(e -> {
return AdModel.createEmptyData();
});
}

122. public Observable<AdModel> searchAd(String keyword) {
return Observable.create(subscriber -> {
try{
AdModel adModel = adClient.search(keyword);
subscriber.onNext(adModel);
} catch(HttpException e) {
subscriber.onError(e);
})
.onErrorReturn(e -> {
return AdModel.createEmptyData();
});
}

123. public Observable<AdModel> searchAd(String keyword) {
return Observable.create(subscriber -> {
try{
AdModel adModel = adClient.search(keyword);
subscriber.onNext(adModel);
} catch(HttpException e) {
subscriber.onError(e);
})
.onErrorReturn(e -> {
return AdModel.createEmptyData();
});
}

124. public Observable<AdModel> searchAd(String keyword) {
return Observable.create(subscriber -> {
try{
AdModel adModel = adClient.search(keyword);
subscriber.onNext(adModel);
} catch(HttpException e) {
subscriber.onError(e);
})
.onErrorReturn(e -> {
return AdModel.createEmptyData();
});
}

125. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”),
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe( /* 省略 */ );

126. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”),
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe( /* 省略 */ );

127. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”),
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe( /* 省略 */ );

128. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”),
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe( /* 省略 */ );

129. Observable.combineLatest(
searchRecipe(“ステーキ”),
searchAd(“ステーキ”),
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe( /* 省略 */ );

130. Observable.combineLatest(
searchRecipe(“ステーキ”).subscribeOn(schedulers.io()),
searchAd(“ステーキ”).subscribeOn(schedulers.io()),
Pair::create
)
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe( /* 省略 */ );

132. AdObservable(“タマゴ”)
.retry(1); // 例外が発生した場合１回だけリトライする
AdObservable(“タマゴ”)
.retry((count, throwable) -> count > 2)

133.
public Observable<AdModel> searchAd(String keyword) {
return Observable.create(subscriber -> {
try{
AdModel ad = AdClient.search(keyword);
subscriber.onNext(ad);
} catch(HttpException e) {
subscriber.onError(e);
})
.retry(1)
.onErrorReturn(e -> {
return AdModel.createEmptyData();
});
}

135. !
!
!

136. !
!
!
♥
♥
♥

137. !
!
!
♥
♥
♥

138. !
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139. searchRecipe(“ステーキ”)
.flatMap(recipes -> fetchLikedRecipeIds(recipes))
.subscribe(recipeIds -> {})

140. searchRecipe(“ステーキ”)
.flatMap(recipes -> fetchLikedRecipeIds(recipes))
.subscribe(recipeIds -> {})

141. searchRecipe(“ステーキ”)
.flatMap(recipes -> fetchLikedRecipeIds(recipes))
.subscribe(recipeIds -> {})

142. searchRecipe(“ステーキ”)
.flatMap(recipes -> fetchLikedRecipeIds(recipes))
.subscribe(recipeIds -> {})

143. searchRecipe(“ステーキ”)
.flatMap(recipes ->
Observable.combineLatest(
Observable.just(recipes), // レシピリストをそのまま渡す
fetchLikedRecipe(recipes)), //レシピリストからLikeしたレシピIdを取得
Pair::create
)
)
.map(this::mergeLikeState) // mapでLike状態をレシピインスタンスに反映させる(省略)
.subscribe(recipes -> {})

144. searchRecipe(“ステーキ”)
.flatMap(recipes ->
Observable.combineLatest(
Observable.just(recipes), // レシピリストをそのまま渡す
fetchLikedRecipe(recipes)), //レシピリストからLikeしたレシピIdを取得
Pair::create
)
)
.map(this::mergeLikeState) // mapでLike状態をレシピインスタンスに反映させる(省略)
.subscribe(recipes -> {})

145. searchRecipe(“ステーキ”)
.flatMap(recipes ->
Observable.combineLatest(
Observable.just(recipes), // レシピリストをそのまま渡す
fetchLikedRecipe(recipes)), //レシピリストからLikeしたレシピIdを取得
Pair::create
)
)
.map(this::mergeLikeState) // mapでLike状態をレシピインスタンスに反映させる(省略)
.subscribe(recipes -> {})

146. searchRecipe(“ステーキ”)
.flatMap(recipes -> {
fetchLikedRecipe(recipes)
.map(likeIds -> {
mergeLikeState(recipes, likeIds);
});
}
)
.subscribe(recipes -> {})

147. public Observable<List<Recipe>> searchRecipeWithLikeState(String keyword) {
searchRecipe(keyword)
.flatMap(recipes ->
Observable.combineLatest(
Observable.just(recipes),
fetchLikedRecipeIds(recipes)),
Pair::create
)
)
.map(this::mergeLikeState)
}
public Func1<List<Recipe>> mergeLikeState(Pair<List<Recipe>, Integer> pair) {
// Like状態をレシピインスタンスに反映させる(省略)
}

149. !
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150. !
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151. !
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152. !
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153. !
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154. !
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155. !
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156. !
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157. !
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158. !
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159. !
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160. !
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161. !
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162. Observable.combineLatest(
searchRecipeWithLikeState(“ステーキ”)
.subscribeOn(schedulers.io()),
searchAd(“ステーキ”)
.subscribeOn(schedulers.io()),
Pair::create
)
.compose(bindToLifecycle())
.subscribeOn(schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(pair -> {
addToList(pair.first, pair.second);
},
throwable -> {
showErrorMessage(t);
}
);
!
!
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♥

164. Observable.combineLatest(
Observable.just(1),
Observable.just(2),
(i1,i2) -> i1 + i2
);

165. searchRecipe(“ステーキ”)
.flatMap(recipes -> recipeClient.fetchLikedRecipeIds(recipes))
.subscribe(recipeIds -> {})

166.
public class Tuple3<T1, T2, T3> {
public T1 first; public T2 second; public T3 third;
public Tuple3(T1 first, T2 second, T3 third) {
this.first = first;
this.second = second;
this.third = third;
}
public static <T1, T2, T3> Tuple3<T1, T2, T3> create(T1 t1, T2 t2, T3 t3) {
return new Tuple3<>(t1, t2, t3);
}
}

167. // in your CustomApplication
public void onCreate(Bundle saveInstanceState){
super.onCreate();
System.setProperty("rx.ring-buffer.size", "32");
}

169. Single.create(subscriber -> {
subscriber.onSuccess("Hello world");
}).subscribe(text -> {
System.out.println(text);
}, throwable -> {
Crashlytics.logException(e);
});

170.
Completable.create(subscriber -> {
subscriber.onCompleted()
}).subscribe(throwable -> {
Crashlytics.logException(e);
}, () -> {
});