GoNativeActivity.java

package org.golang.app;

import android.app.Notification;
import android.app.NotificationManager;
import android.content.pm.ActivityInfo;
import android.app.NativeActivity;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
import android.content.Intent;
import android.net.Uri;
import android.app.PendingIntent;
import android.content.Context;
import android.widget.Toast;
import android.app.TaskStackBuilder;
//import android.support.v4.app.NotificationCompat;
import android.view.KeyCharacterMap;

public class GoNativeActivity extends NativeActivity {

    private static GoNativeActivity goNativeActivity;

    public GoNativeActivity() {
        super();
		Log.d("JavaGo", "GoNativeActivity");
        goNativeActivity = this;
    }  
        
    public void openBrowser(String url) {
    	  	Intent intent = new Intent(Intent.ACTION_VIEW);
			Uri data = Uri.parse("http://localhost:8089");
		intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
			  intent.setData(data);
			  startActivity(intent);
    }
    
    public void notif(String title, String text) {

	  Log.d("JavaGo", "GoNativeActivity notif");

  	  Intent intent = new Intent("org.golang.app.MainActivity");
		      /////
		Notification.Builder builder = new Notification.Builder(this);

		Intent resultIntent = new Intent(this, MainActivity.class);
		PendingIntent pIntent = PendingIntent.getActivity(this, 0, resultIntent, 0);
		TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
		stackBuilder.addParentStack(MainActivity.class);

		builder.setAutoCancel(true);
		builder.setContentTitle(title);
		builder.setContentText(text);
		builder.setSmallIcon(R.drawable.icon);
		builder.setContentIntent(pIntent);
		builder.setContentText("Dcoin is running");

  		builder.build();

		Notification notif = builder.getNotification();
		////


	  NotificationManager mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    
	  // notificationID allows you to update the notification later on.
	  mNotificationManager.notify(2, notif);

    }    

    String getTmpdir() {
        return getCacheDir().getAbsolutePath();
    }

    String getFilesdir() {
		return getExternalFilesDir(null).getAbsolutePath();
    }

	int getRune(int deviceId, int keyCode, int metaState) {
		try {
			int rune = KeyCharacterMap.load(deviceId).get(keyCode, metaState);
			if (rune == 0) {
				return -1;
			}
			return rune;
		} catch (KeyCharacterMap.UnavailableException e) {
			return -1;
		} catch (Exception e) {
			Log.e("JavaGo", "exception reading KeyCharacterMap", e);
			return -1;
		}
	}

    public static void load() {

		Log.d("JavaGo", "GoNativeActivity load");
        // Interestingly, NativeActivity uses a different method
        // to find native code to execute, avoiding
        // System.loadLibrary. The result is Java methods
        // implemented in C with JNIEXPORT (and JNI_OnLoad) are not
        // available unless an explicit call to System.loadLibrary
        // is done. So we do it here, borrowing the name of the
        // library from the same AndroidManifest.xml metadata used
        // by NativeActivity.
		try {
			System.loadLibrary("dcoin");

		} catch (Exception e) {
			Log.e("JavaGo", "loadLibrary failed", e);
		}
    }

    public void onStart(Bundle savedInstanceState) {
		Log.d("JavaGo", "GoNativeActivity onStart");
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
		Log.d("JavaGo", "GoNativeActivity onCreate");
        super.onCreate(savedInstanceState);
    }
}