react-native执行react-native run-android 时报错

Question

用的是android studio 带的AVD manager模拟。昨天运行正常，今天跑的时候报错。Execution failed for task ':app:installDebug'.> com.android.builder.testing.api.DeviceException: Could not create ADB Bridge.(1)测试端口adb devices显示List of devices attached* daemon not running; starting now at tcp:5037could not read ok from ADB Server* failed to start daemonerror: cannot connect to daemon   (2)测试搭建环境react-native init HelloworldProjectcd HelloworldProjectreact-native run-android报错Execution failed for task ':app:installDebug'.    > com.android.builder.testing.api.DeviceException: Could not create ADB Bridge.