SelvinPL

interface BTPrinter
{
	void printAt(int top, int left, String message);
	//add more methods here
	void selectFont(String font);
	void cutThePaper();
}


class ZebraPrinter implements BTPrinter

SelvinPL

private int _styleId = SOMEDEFAULTSTYLE;


public void setCustomStyle(int styleId) {
    _styleId = styleId;
    if(mEditText != null){
        if(styleId == 1) {
            mEditText.setTextAppearance(getActivity(), android.R.style.TextAppearance_Small);
        }
        else if(styleId == 2) {

SelvinPL

apply plugin: 'com.android.application'

def createTheme(colorPrimary, colorPrimaryDark, colorAccent, colorDisabled) {
    def returnTheme = new Expando()
    returnTheme.colorPrimary = colorPrimary
    returnTheme.colorPrimaryDark = colorPrimaryDark
    returnTheme.colorAccent = colorAccent
    returnTheme.colorDisabled = colorDisabled
    return returnTheme
}

SelvinPL

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <!-- Automatically generated file. DO NOT MODIFY -->

    <!-- Values from the variant -->
    <item name="colorAccent" type="color">#8CC63F</item>
    <item name="colorAccentA10" type="color">#198CC63F</item>
    <item name="colorAccentA20" type="color">#338CC63F</item>
    <item name="colorAccentA30" type="color">#4c8CC63F</item>

SelvinPL

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:bottom="-6dp"
        android:right="-6dp"
        android:top="-6dp">
        <shape>
            <solid android:color="@android:color/black" />
            <stroke
                android:width="5dp"

SelvinPL

    //use this builder instead  NotificationCompat.BigPictureStyle (also use standard Notification not compat)
    
    static class MyPictureBuilder extends Notification.BigPictureStyle{
        @NonNull
        @Override
        protected RemoteViews getStandardView(int layoutId) {
            RemoteViews ret =  super.getStandardView(layoutId);
            int id =  Resources.getSystem().getIdentifier("text", "id", "android");
            ret.setBoolean(id, "setSingleLine", false);
            ret.setInt(id, "setLines", 4);

SelvinPL

package pl.selvin.android.broadcastkilled;

import android.app.Activity;
import android.app.Notification;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;

SelvinPL

package pl.selvin.android.xxxxxx;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

/**
 * Created by selvin on 2015-01-28.
 */
public class WebPUtils {
    //states

SelvinPL

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;

public class TestActivity extends Activity {
    //well context is not valid yet, but we will use later so it is ok to use "this"
    private Helper helper = new Helper(this);

SelvinPL

interface IMySuperInterface {
    void setNumPlats(int numero);
}

class MyAtivity extends Activity implements IMySuperInterface {
    //do the implentation and other stuff;
}

class MyFragment extends Fragment {
    IMySuperInterface defaultInstance = new IMySuperInterface {