Issue 1:
Steps to Reproduce

flutter run in examples/flutter_gallery

Flutter Doctor

Paste the output of running flutter doctor here.

[✓] Flutter (on Mac OS X 10.12.5 16F73, locale en-US, channel master)

• Flutter at /Users/rmacnak/Flutter/flutter

• Framework revision 69679be528 (6 days ago), 2017-07-05 13:01:40 -0700

• Engine revision 8ad1576

• Tools Dart version 1.25.0-dev.4.0

[✓] Android toolchain - develop for Android devices (Android SDK 25.0.3)

• Android SDK at /Users/rmacnak/Library/Android/sdk

• Platform android-25, build-tools 25.0.3

• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java

• Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)

[✓] iOS toolchain - develop for iOS devices (Xcode 8.3.3)

• Xcode at /Applications/Xcode.app/Contents/Developer

• Xcode 8.3.3, Build version 8E3004b

• ios-deploy 1.9.1

• CocoaPods version 1.2.1

[✓] Android Studio (version 2.3)

• Android Studio at /Applications/Android Studio.app/Contents

• Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)

[✓] Connected devices

• iPod touch • f73d01ae6367fbc7b50cad846bbc5735098c3276 • ios • iOS 10.3.2

Issue 2:
Steps to Reproduce

Create empty flutter app using Android Studio 3.1.4

Create KitKat API 19 emulator (x86 image)

Run empty flutter app

Logs

D/dalvikvm( 3286): Trying to load lib /data/app-lib/com.nik.flutterapp-1/libflutter.so 0x9d007938
D/dalvikvm( 3286): Added shared lib /data/app-lib/com.nik.flutterapp-1/libflutter.so 0x9d007938
I/dalvikvm( 3286): Could not find method android.view.Window.setStatusBarColor, referenced from method io.flutter.app.FlutterActivityDelegate.onCreate
W/dalvikvm( 3286): VFY: unable to resolve virtual method 164: Landroid/view/Window;.setStatusBarColor (I)V
D/dalvikvm( 3286): VFY: replacing opcode 0x6e at 0x0015
W/dalvikvm( 3286): VFY: unable to find class referenced in signature (Landroid/view/WindowInsets;)
I/dalvikvm( 3286): Could not find method android.view.WindowInsets.getSystemWindowInsetTop, referenced from method io.flutter.view.FlutterView.onApplyWindowInsets
W/dalvikvm( 3286): VFY: unable to resolve virtual method 168: Landroid/view/WindowInsets;.getSystemWindowInsetTop ()I
D/dalvikvm( 3286): VFY: replacing opcode 0x6e at 0x0003
I/dalvikvm( 3286): Could not find method io.flutter.view.FlutterView.requestUnbufferedDispatch, referenced from method io.flutter.view.FlutterView.onTouchEvent
W/dalvikvm( 3286): VFY: unable to resolve virtual method 803: Lio/flutter/view/FlutterView;.requestUnbufferedDispatch (Landroid/view/MotionEvent;)V
D/dalvikvm( 3286): VFY: replacing opcode 0x6e at 0x000f
F/libc ( 3286): Fatal signal 8 (SIGFPE) at 0xb7742ac8 (code=1), thread 3286 (.nik.flutterapp)
I/DEBUG ( 1168): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
I/DEBUG ( 1168): Build fingerprint: 'generic_x86/google_sdk_x86/generic_x86:4.4.2/KK/4729339:eng/test-keys'
I/DEBUG ( 1168): Revision: '0'
I/DEBUG ( 1168): pid: 3286, tid: 3286, name: .nik.flutterapp >>> com.nik.flutterapp <<<
I/DEBUG ( 1168): signal 8 (SIGFPE), code -6 (SI_TKILL), fault addr 00000cd6
I/DEBUG ( 1168): eax 0f518be3 ebx b775bfe4 ecx 0000005f edx 00000000
I/DEBUG ( 1168): esi 00000000 edi b7738004
I/DEBUG ( 1168): xcs 00000073 xds 0000007b xes 0000007b xfs 00000000 xss 0000007b
I/DEBUG ( 1168): eip b7742ac8 ebp b645fe70 esp bfbd1020 flags 00010246
E/Corkscrew( 1168): unrecognized dwarf lower part encoding: 0x96
I/DEBUG ( 1168):
I/DEBUG ( 1168): backtrace:
I/DEBUG ( 1168): #00 pc 00006ac8 /system/bin/linker (__dl__Z19dlsym_linear_lookupPKcPP6soinfoS2_+216)
I/DEBUG ( 1168): #01 pc 00001265 /system/bin/linker (__dl_dlsym+325)
I/DEBUG ( 1168): #02 pc 000983a4 /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): #03 pc 000bba4f /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): #04 pc 000bb404 /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): #05 pc 000bb7ae /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): #06 pc 000bcd69 /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): #07 pc 009f7f2c /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168):
I/DEBUG ( 1168): stack:
I/DEBUG ( 1168): bfbd0fe0 00000000
I/DEBUG ( 1168): bfbd0fe4 00000001
I/DEBUG ( 1168): bfbd0fe8 00002749
I/DEBUG ( 1168): bfbd0fec b767bef9 /system/lib/libc.so (pthread_mutex_unlock+25)
I/DEBUG ( 1168): bfbd0ff0 00000000
I/DEBUG ( 1168): bfbd0ff4 00000000
I/DEBUG ( 1168): bfbd0ff8 b767bd29 /system/lib/libc.so (pthread_mutex_lock+9)
I/DEBUG ( 1168): bfbd0ffc b7709fcc /system/lib/libc.so
I/DEBUG ( 1168): bfbd1000 00000000
I/DEBUG ( 1168): bfbd1004 b7d58c60 [heap]
I/DEBUG ( 1168): bfbd1008 00000010
I/DEBUG ( 1168): bfbd100c b767bef9 /system/lib/libc.so (pthread_mutex_unlock+25)
I/DEBUG ( 1168): bfbd1010 b770e800
I/DEBUG ( 1168): bfbd1014 054e0887
I/DEBUG ( 1168): bfbd1018 b767bd29 /system/lib/libc.so (pthread_mutex_lock+9)
I/DEBUG ( 1168): bfbd101c b7742b11 /system/bin/linker (__dl__Z19dlsym_linear_lookupPKcPP6soinfoS2_+289)
I/DEBUG ( 1168): #00 bfbd1020 b51f6009 /system/lib/libRScpp.so
I/DEBUG ( 1168): bfbd1024 8b6b8010 /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd1028 00000311
I/DEBUG ( 1168): bfbd102c b7752b06 /system/bin/linker (__dl_pthread_mutex_lock+198)
I/DEBUG ( 1168): bfbd1030 00000000
I/DEBUG ( 1168): bfbd1034 00008000
I/DEBUG ( 1168): bfbd1038 b767bd29 /system/lib/libc.so (pthread_mutex_lock+9)
I/DEBUG ( 1168): bfbd103c b7709fcc /system/lib/libc.so
I/DEBUG ( 1168): bfbd1040 00000000
I/DEBUG ( 1168): bfbd1044 00000000
I/DEBUG ( 1168): bfbd1048 0f518be3
I/DEBUG ( 1168): bfbd104c b7756590 /system/bin/linker
I/DEBUG ( 1168): bfbd1050 b770e800
I/DEBUG ( 1168): bfbd1054 b7d57e30 [heap]
I/DEBUG ( 1168): bfbd1058 b77429f9 /system/bin/linker (__dl__Z19dlsym_linear_lookupPKcPP6soinfoS2_+9)
I/DEBUG ( 1168): bfbd105c b775bfe4 /system/bin/linker
I/DEBUG ( 1168): ........ ........
I/DEBUG ( 1168): #01 bfbd1070 8b6b8010 /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd1074 bfbd108c [stack]
I/DEBUG ( 1168): bfbd1078 00000000
I/DEBUG ( 1168): bfbd107c b7709fcc /system/lib/libc.so
I/DEBUG ( 1168): bfbd1080 b7d58c40 [heap]
I/DEBUG ( 1168): bfbd1084 b7d58c40 [heap]
I/DEBUG ( 1168): bfbd1088 bfbd10d8 [stack]
I/DEBUG ( 1168): bfbd108c 00000000
I/DEBUG ( 1168): bfbd1090 0000000c
I/DEBUG ( 1168): bfbd1094 bfbd1130 [stack]
I/DEBUG ( 1168): bfbd1098 bfbd1108 [stack]
I/DEBUG ( 1168): bfbd109c 8bcd6aac /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd10a0 bfbd1130 [stack]
I/DEBUG ( 1168): bfbd10a4 b7d58c40 [heap]
I/DEBUG ( 1168): bfbd10a8 bfbd10d8 [stack]
I/DEBUG ( 1168): bfbd10ac 8ad113a5 /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): #02 bfbd10b0 ffffffff
I/DEBUG ( 1168): bfbd10b4 8b6b8010 /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd10b8 8bcd6aac /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd10bc 8ad1138d /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd10c0 0000000c
I/DEBUG ( 1168): bfbd10c4 b767b196 /system/lib/libc.so (malloc+6)
I/DEBUG ( 1168): bfbd10c8 8bcd6aac /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd10cc 8b6a1caa /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd10d0 0000000c
I/DEBUG ( 1168): bfbd10d4 8bcd6aac /data/app-lib/com.nik.flutterapp-1/libflutter.so
I/DEBUG ( 1168): bfbd10d8 bfbd1108 [stack]
I/DEBUG ( 1168): bfbd10dc 8ad34a50 /data/app-lib/com.nik.flutterapp-1/libflutter.so
D/Zygote ( 1171): Process 3286 terminated by signal (8)

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v0.5.1, on Mac OS X 10.13.6 17G65, locale en-US)
[✓] Android toolchain - develop for Android devices (Android SDK 28.0.1)
[✓] iOS toolchain - develop for iOS devices (Xcode 9.4.1)
[✓] Android Studio (version 3.1)
[✓] Connected devices (1 available)