Quando eu rodo o "react-native run-android" aparece o seguinte erro:
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BUILD FAILED in 1m 12s 28 actionable tasks: 28 executed Could not install the app on the device, read the error above for details. Make sure you have an Android emulator running or a device connected and have set up your Android development environment: https://facebook.github.io/react-native/docs/getting-started.html
Command failed: ./gradlew installDebug
Error: Command failed: ./gradlew installDebug at checkExecSyncError (child_process.js:601:13) at Object.execFileSync (child_process.js:621:13) at runOnAllDevices (/home/erika/React-Native/InstaluraMobile/node_modules/react-native/local-cli/runAndroid/runAndroid.js:299:19) at buildAndRun (/home/erika/React-Native/InstaluraMobile/node_modules/react-native/local-cli/runAndroid/runAndroid.js:135:12) at isPackagerRunning.then.result (/home/erika/React-Native/InstaluraMobile/node_modules/react-native/local-cli/runAndroid/runAndroid.js:65:12) at at process.tickCallback (internal/process/nexttick.js:188:7)
E ai, o que posso fazer para resolver esse problema??
