Sp4Rx

package com.example.suvajit.servicedemopersistant;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.widget.Toast;

public class BackgroundService extends Service {
    @Nullable

Sp4Rx

package com.example.suvajit.servicedemo;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.widget.Toast;

public class BackgroundService extends Service {
    @Nullable

Sp4Rx

package com.example.suvajit.servicedemo;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.widget.Toast;

public class BackgroundService extends Service {
    @Nullable

Sp4Rx

public class TilingDrawable extends android.support.v7.graphics.drawable.DrawableWrapper {

    private boolean callbackEnabled = true;

    public TilingDrawable(Drawable drawable) {
        super(drawable);
    }

    @Override
    public void draw(Canvas canvas) {

Sp4Rx

import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

Sp4Rx

void main() {
  var data = {'key': 'value'};

  try {
    var value = data['wrongKey'];
    print(value);
    value = data['key'];
    print(value);
    print('---------------');
    //This is just to simulate an error

Sp4Rx

void main() {
  Foo foo = Foo();
  print(foo.fromA);
  print(foo.fromB);

  print("=====================");

  Foo1 foo1 = Foo1();
  print(foo1.fromC);
  print(foo1.fromD);

Sp4Rx

import 'dart:typed_data';

void main() {
  const t = 99999999999999999999.0; //A big number
  const step = 18871268712.0; //Random number
  const max = 999999;

  //Initialise time for calculating benchmark.
  var initialTime = DateTime.now().millisecondsSinceEpoch;
  for (int i = 0; i < max; i++) {

Sp4Rx

import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override

Sp4Rx

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.letstranzact.app">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="com.google.android.gms.permission.AD_ID" />

    <application
        android:name="com.letstranzact.tranzact.MainApplication"
        android:icon="@mipmap/ic_launcher"