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React Native for Android Engineers mike castleman [email protected] @vermicelli

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???

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What’s good?

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“Write once, run anywhere”

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“Write 1.1 times, run in 2 places”

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Hot-reloading

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GraphQL

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What’s a mixed bag?

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mlc@oak:~/src/now-mobile(master)$ ls node_modules/react-native-fs/ android/ jsconfig.json README.md Uploader.m Downloader.h .jshintrc RNFSManager.h windows/ Downloader.m LICENSE RNFSManager.m yarn.lock .flowconfig NSArray+Map.h RNFS.podspec FS.common.js NSArray+Map.m RNFS.xcodeproj/ IntegrationTests/ package.json Uploader.h mlc@oak:~/src/now-mobile(master)$ ls node_modules/react-native-fs/android/ build.gradle src/ mlc@oak:~/src/now-mobile(master)$ ls node_modules/react-native-fs/android/src/main/ AndroidManifest.xml java/ mlc@oak:~/src/now-mobile(master)$ ls node_modules/react-native-fs/android/src/main/java/com/rnfs/ Downloader.java IORejectionException.java DownloadParams.java RNFSManager.java DownloadResult.java RNFSPackage.java

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What are we unhappy about?

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Maps

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Performance

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Performance, sometimes

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Cross-Platform Pitfalls

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Would we use React Native again?

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Yes

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Yes, if we have the right problem again

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Stay in touch: mike castleman [email protected] @vermicelli now.meetup.com