react-native-datecs-printer

It only works on Android and have only few specific methods.

As I made this project with a very short deadline, it's specific for the app that I was working on. My plan is to make a full port of cordova-plugin-datecs-printer for React Native.

Breaking Changes RN v0.47.2

Remove unused createJSModules calls.

• if on RN < 0.47.2 npm i [email protected]
• if on RN > 0.47.2 npm i react-native-datecs-printer

Printer used for tests

DPP 250

---

Getting started (latest version)

$ npm install react-native-datecs-printer --save

Mostly automatic installation

$ react-native link react-native-datecs-printer

Add permissions in your AndroidManifest.xml

<uses-permission android:name="android.permission.BLUETOOTH"/>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>

Manual installation

Android

1. Open up android/app/src/main/java/[...]/MainActivity.java

• Add import com.renancsoares.datecsprinter.RNDatecsPrinterPackage; to the imports at the top of the file
• Add new RNDatecsPrinterPackage() to the list returned by the getPackages() method

2. Append the following lines to android/settings.gradle:

   include ':react-native-datecs-printer'
   project(':react-native-datecs-printer').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-datecs-printer/android')
   

3. Insert the following lines inside the dependencies block in android/app/build.gradle:

     compile project(':react-native-datecs-printer')
   

Examples of methods in your application.

It's also provided in the application example

connect(){
	DatecsPrinter.connect()
	.then( res => {
		// return CONNECTED
		console.log(res);
	})
	.catch( err => {
		console.log(err)
	})
}

print(text){
	DatecsPrinter.printText(text)
	.then( res => {
		// return PRINTED
		console.log(res);
	})
	.catch( err => {
		console.log(err);
	})
}

printSelfTest(){
	DatecsPrinter.printSelfTest()
	.then( res => {
		// return SELF_TEST_PRINTED
		console.log(res)
	})
	.catch( err => {
		console.log(err);
	});
}

getStatus(){
	DatecsPrinter.getStatus()
	.then( res => {
		// If everything is OK, it'll return 0
		// you can use this before printing to make sure that nothing wrong happens
		console.log(res);
	})
	.catch( err => {
		console.log(err)
	})
}

disconnect(){
	DatecsPrinter.disconnect()
	.then( res => {
		// return DISCONNECTED
		console.log(res);
	})
	.catch( err => {
		console.log(err);
	})
}

Tags definition

• {reset} Reset to default settings.
• {br} Line break. Equivalent of new line.
• {b}, {/b} Set or clear bold font style.
• {u}, {/u} Set or clear underline font style.
• {i}, {/i} Set or clear italic font style.
• {s}, {/s} Set or clear small font style.
• {h}, {/h} Set or clear high font style.
• {w}, {/w} Set or clear wide font style.
• {left} Aligns text to the left paper edge.
• {center} Aligns text to the center of paper.
• {right} Aligns text to the right paper edge.

What's coming

• Method to get and return all paired devices
• Connect method will require pass a device to make the connection
• Translations and dynamic messages using String values

TDB

• Get unpaired devices method
• Pair/Unpair device methods
• Connect/Disconnect Bluetooth methods