app not run in android simulator

[Bhagirath123]

i have use this react-native run-android command for run app
then after display this " Jetifier found 914 file(s) to forward-jetify. Using 4 workers..."

then after nothing happens

i am not found any error in my terminal

This is my react-native info

System:
OS: Linux 4.4 Ubuntu 16.04.5 LTS (Xenial Xerus)
CPU: (4) x64 Intel(R) Core(TM) i3-4030U CPU @ 1.90GHz
Memory: 720.95 MB / 7.71 GB
Shell: 4.3.48 - /bin/bash
Binaries:
Node: 10.16.3 - /usr/bin/node
npm: 6.11.2 - /usr/bin/npm
IDEs:
Android Studio: 3.4 AI-183.5429.30.34.5400832
npmPackages:
react: 16.8.6 => 16.8.6
react-native: 0.60.5 => 0.60.5
npmGlobalPackages:
react-native-cli: 2.0.1