A Simple debug panel component to view console message right inside the app.
This will be helpful during your react native development. This is a pure react native component ,you can use it in both ios and android .

Xcode / Android Studio is not a must for React Native app development.
RN developers can simplify tool chain with this component when coding javascript only.
You don't have to open any of Xcode , Android Studio or Chrome dev console for viewing js console message. A javascript editor and a emulator/device are all you need.

npm install --save react-native-console-panel

//import the component
var ConsolePanel = require('react-native-console-panel').displayWhenDev();
...
render:function(){
	return (
		<View style={styles.container}>
        	...
        	<TouchableHighlight style={styles.btn} onPress={this._onPressButton}>
          	<Text>
            Hit me!
          	</Text>
        	</TouchableHighlight>
        
        	//Panel will float above your content
        	//use top,left to control panel's position 
        	{ConsolePanel}
      </View>
      );

• displayWhenDev() will return the component or null accroding __DEV__ flag
• displayIgnoreDevVariable() ignore __DEV__ variable

The react-native add a 'Yellowbox' in v0.16(not release yet) for showing warn/error messages.This module disable that by default. If you want to keep both yellowbox and console ,you should import like this require('react-native-console-panel/keep-yellowbox').

Now, when you use 'console' to print something , it will be like this:

	propTypes:{
        limit:React.PropTypes.number,//message limit number
        open:React.PropTypes.bool,//is open when mounted
    }

• Count unread log when panel is closing
• 'clear' button
• System infomation shapshot
• Better looking?
• ...

I'm new to Javascript .So any pull request is welcomed!