pluswave/KitKatPrinter.java

## KitKatPrinter.java
package org.xiaofuxing.name;

import org.apache.cordova.CordovaPlugin;
import org.apache.cordova.CallbackContext;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.lang.Runnable;
import android.print.PrintJob;
import android.print.PrintManager;
import android.print.PrintDocumentAdapter;
import android.print.PrintAttributes;
import android.content.Context;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.webkit.WebSettings;
/**
 * This class echoes a string called from JavaScript.
 */
public class KitKatPrinter extends CordovaPlugin implements Runnable {

    private WebView offlineWebView;

    @Override
    public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
        if (action.equals("printCurrentPage")) {
            String message = args.getString(0);
            this.printCurrentPage(message, callbackContext);
            return true;
        }
        return false;
    }

    private void printCurrentPage(String message, CallbackContext callbackContext) {
	this.cordova.getActivity().
	    runOnUiThread(this);
	//run();
    }

    public void run(){
    // Get a PrintManager instance
	PrintManager printManager = (PrintManager) this.cordova.getActivity()
            .getSystemService(Context.PRINT_SERVICE);

	// Get a print adapter instance
	if(  this.offlineWebView == null ){
	    this.offlineWebView = new WebView(this.cordova.getActivity());
	    WebSettings settings = this.offlineWebView.getSettings();
	    settings.setJavaScriptEnabled(true);
	    settings.setAllowUniversalAccessFromFileURLs(true);
	    this.offlineWebView.setWebViewClient(new WebViewClient() {

		public boolean shouldOverrideUrlLoading(WebView view, String url) {
		    return false;
		}

		@Override
		public void onPageFinished(WebView view, String url) {
		    //Log.i(TAG, "page finished loading " + url);
		    createWebPrintJob(view);
		    //mWebView = null;
		}

		private void createWebPrintJob(WebView webView) {

		    // Get a PrintManager instance
		    PrintManager printManager = (PrintManager) KitKatPrinter.this.cordova.getActivity()
			.getSystemService(Context.PRINT_SERVICE);

		    // Get a print adapter instance
		    webView.onPause();
		    PrintDocumentAdapter printAdapter = webView.createPrintDocumentAdapter();

		    // Create a print job with name and adapter instance
		    String jobName = " Document";
		    PrintJob printJob = printManager.print(jobName, printAdapter,
							   new PrintAttributes.Builder().build());

		    // Save the job object for later status checking
		    // mPrintJobs.add(printJob);
		}
	    });
	}
	//this.offlineWebView.loadUrl(this.webView.getUrl()); //doesn't work on Ionic starter app!
  String htmlDocument = "<html><body><h1>Test Content中文标题</h1><p>Testing, " +
             "testing, testing...</p></body></html>";
	this.offlineWebView.loadDataWithBaseURL(null, htmlDocument, "text/HTML", "UTF-8", null);
	// Save the job object for later status checking
	//mPrintJobs.add(printJob);
    }
}
	package org.xiaofuxing.name;

	import org.apache.cordova.CordovaPlugin;
	import org.apache.cordova.CallbackContext;

	import org.json.JSONArray;
	import org.json.JSONException;
	import org.json.JSONObject;
	import java.lang.Runnable;
	import android.print.PrintJob;
	import android.print.PrintManager;
	import android.print.PrintDocumentAdapter;
	import android.print.PrintAttributes;
	import android.content.Context;
	import android.webkit.WebView;
	import android.webkit.WebViewClient;
	import android.webkit.WebSettings;
	/**
	* This class echoes a string called from JavaScript.
	*/
	public class KitKatPrinter extends CordovaPlugin implements Runnable {

	private WebView offlineWebView;

	@Override
	public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
	if (action.equals("printCurrentPage")) {
	String message = args.getString(0);
	this.printCurrentPage(message, callbackContext);
	return true;
	}
	return false;
	}

	private void printCurrentPage(String message, CallbackContext callbackContext) {
	this.cordova.getActivity().
	runOnUiThread(this);
	//run();
	}

	public void run(){
	// Get a PrintManager instance
	PrintManager printManager = (PrintManager) this.cordova.getActivity()
	.getSystemService(Context.PRINT_SERVICE);

	// Get a print adapter instance
	if( this.offlineWebView == null ){
	this.offlineWebView = new WebView(this.cordova.getActivity());
	WebSettings settings = this.offlineWebView.getSettings();
	settings.setJavaScriptEnabled(true);
	settings.setAllowUniversalAccessFromFileURLs(true);
	this.offlineWebView.setWebViewClient(new WebViewClient() {

	public boolean shouldOverrideUrlLoading(WebView view, String url) {
	return false;
	}

	@Override
	public void onPageFinished(WebView view, String url) {
	//Log.i(TAG, "page finished loading " + url);
	createWebPrintJob(view);
	//mWebView = null;
	}

	private void createWebPrintJob(WebView webView) {

	// Get a PrintManager instance
	PrintManager printManager = (PrintManager) KitKatPrinter.this.cordova.getActivity()
	.getSystemService(Context.PRINT_SERVICE);

	// Get a print adapter instance
	webView.onPause();
	PrintDocumentAdapter printAdapter = webView.createPrintDocumentAdapter();

	// Create a print job with name and adapter instance
	String jobName = " Document";
	PrintJob printJob = printManager.print(jobName, printAdapter,
	new PrintAttributes.Builder().build());

	// Save the job object for later status checking
	// mPrintJobs.add(printJob);
	}
	});
	}
	//this.offlineWebView.loadUrl(this.webView.getUrl()); //doesn't work on Ionic starter app!
	String htmlDocument = "<html><body><h1>Test Content中文标题</h1><p>Testing, " +
	"testing, testing...</p></body></html>";
	this.offlineWebView.loadDataWithBaseURL(null, htmlDocument, "text/HTML", "UTF-8", null);
	// Save the job object for later status checking
	//mPrintJobs.add(printJob);
	}
	}