Starting device daemon...
Warning! Signing the APK using the debug keystore.
You will need a real keystore to distribute your application.
Running lib/main.dart on Nexus 5X...
W/flutter ( 7383): [WARNING:jni_string.cc(28)] ConvertJavaStringToUTF8 called with null string.
I/flutter ( 7383): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter ( 7383): The following ArgumentError was thrown during performLayout():
I/flutter ( 7383): Invalid argument(s): 0.0
I/flutter ( 7383): 
I/flutter ( 7383): When the exception was thrown, this was the stack:
I/flutter ( 7383): #0      _Double.clamp (dart:core-patch/double.dart)

I/flutter ( 7383): #1      TextPainter.layout (package:flutter/src/painting/text_painter.dart)
I/flutter ( 7383): #2      RenderParagraph.performLayout (package:flutter/src/rendering/paragraph.dart)
I/flutter ( 7383): #3      RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #4      _ToolbarLayout.performLayout (package:flutter/src/material/app_bar.dart)
I/flutter ( 7383): #5      MultiChildLayoutDelegate._callPerformLayout (package:flutter/src/rendering/custom_layout.dart)
I/flutter ( 7383): #6      RenderCustomMultiChildLayoutBox.performLayout (package:flutter/src/rendering/custom_layout.dart)
I/flutter ( 7383): #7      RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #8      RenderPadding.performLayout (package:flutter/src/rendering/shifted_box.dart)
I/flutter ( 7383): #9      RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #10     RenderConstrainedBox.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #11     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #12     RenderPadding.performLayout (package:flutter/src/rendering/shifted_box.dart)
I/flutter ( 7383): #13     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #14     RenderConstrainedOverflowBox.performLayout (package:flutter/src/rendering/shifted_box.dart)
I/flutter ( 7383): #15     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #16     _RenderCustomClip.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #17     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #18     RenderPositionedBox.performLayout (package:flutter/src/rendering/shifted_box.dart)
I/flutter ( 7383): #19     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #20     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #21     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #22     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #23     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #24     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #25     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #26     _RenderLayoutBuilder.performLayout (package:flutter/src/widgets/layout_builder.dart)
I/flutter ( 7383): #27     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #28     RenderConstrainedBox.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #29     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #30     _ScaffoldLayout.performLayout (package:flutter/src/material/scaffold.dart)
I/flutter ( 7383): #31     MultiChildLayoutDelegate._callPerformLayout (package:flutter/src/rendering/custom_layout.dart)
I/flutter ( 7383): #32     RenderCustomMultiChildLayoutBox.performLayout (package:flutter/src/rendering/custom_layout.dart)
I/flutter ( 7383): #33     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #34     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #35     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #36     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #37     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #38     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #39     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #40     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #41     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #42     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #43     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #44     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #45     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #46     RenderOffstage.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #47     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #48     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #49     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #50     RenderStack.performLayout (package:flutter/src/rendering/stack.dart)
I/flutter ( 7383): #51     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #52     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #53     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #54     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #55     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #56     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #57     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #58     RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart)
I/flutter ( 7383): #59     RenderObject.layout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #60     RenderView.performLayout (package:flutter/src/rendering/view.dart)
I/flutter ( 7383): #61     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #62     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart)
I/flutter ( 7383): #63     BindingBase&SchedulerBinding&GestureBinding&ServicesBinding&RendererBinding.beginFrame (package:flutter/src/rendering/binding.dart)

I/flutter ( 7383): #64     BindingBase&SchedulerBinding&GestureBinding&ServicesBinding&RendererBinding&WidgetsBinding.beginFrame (package:flutter/src/widgets/binding.dart)
I/flutter ( 7383): #65     BindingBase&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart)
I/flutter ( 7383): #66     BindingBase&SchedulerBinding.handleBeginFrame (package:flutter/src/scheduler/binding.dart)

I/flutter ( 7383): #67     main (file:///Users/sgopal1/code/flutter-app/lib/main.dart)
I/flutter ( 7383): #68     _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart)
I/flutter ( 7383): #69     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart)
I/flutter ( 7383): 
I/flutter ( 7383): The following RenderObject was being processed when the exception was fired:
I/flutter ( 7383):   RenderParagraph relayoutBoundary=up1 NEEDS-LAYOUT
I/flutter ( 7383): This RenderObject has no descendants.
I/flutter ( 7383): 
I/flutter ( 7383): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter ( 7383): Another exception was thrown: NoSuchMethodError: The getter 'height' was called on null.

$ flutter doctor
[✓] Flutter (on Mac OS, channel master)
    • Flutter at /Users/sgopal1/install/flutter
    • Framework revision 223f416199 (5 hours ago),
    • Engine revision 63e71803de
    • Tools Dart version 1.21.0-dev.3.0

[✓] Android toolchain - develop for Android devices (Android SDK 24.0.0)
    • Android SDK at /Users/sgopal1/install/android
    • Platform android-25, build-tools 24.0.0
    • ANDROID_HOME = /Users/sgopal1/install/android
    • Java(TM) SE Runtime Environment (build 1.8.0_77-b03)

[✓] iOS toolchain - develop for iOS devices (Xcode 7.2.1)
    • XCode at /Applications/Xcode.app/Contents/Developer
    • Xcode 7.2.1, Build version 7C1002

[-] IntelliJ IDEA Ultimate Edition (version 2016.2.5)
    • Dart plugin not installed; this adds Dart specific functionality.
    • Flutter plugin not installed; this adds Flutter specific functionality.
    • For information about managing plugins, see
      https://www.jetbrains.com/help/idea/2016.2/managing-plugins.html

[✓] Connected devices
    • Nexus 5X • 00e9507096c6cb49 • android-arm • Android 7.1.1 (API 25)