Code Samples

Friday, February 8, 2019

Middleware when running Artisan console request

I want a custom piece of middleware to run whenever I run an artisan command. I need to set a few environment variables to be used in the app configuration before the actual command executes.

There is a way around but not sure if the correct one, but works. Just open up the Kernel class and override the bootstrap method. Laravel 5.3, have not tested on other versions, but should work similarly

<?php
namespace App\Console;

use Log;
use Illuminate\Console\Scheduling\Schedule;
use Illuminate\Foundation\Console\Kernel as ConsoleKernel;

class Kernel extends ConsoleKernel
{
    /**
     * The Artisan commands provided by your application.
     *
     * @var array
     */
    protected $commands = [
        Commands\Inspire::class,
    ];

    public function bootstrap() {
        parent::bootstrap();
        Log::info("KERNEL COMMAND EXECUTING");
    }

    /**
     * Define the application's command schedule.
     *
     * @param  \Illuminate\Console\Scheduling\Schedule  $schedule
     * @return void
     */
    protected function schedule(Schedule $schedule)
    {
        $schedule->call('App\Service\YourService@method')->dailyAt('10:00');

        $schedule->call('App\Service\YourService@method')->everyFiveMinutes();
    }
}

And finally the Kernel is executed by CronJob or Laravel Jobs.

To add Laravel kernel scheduler to CronJob, execute command crontab -e and add below line and save the operation.

* * * * * /usr/local/bin/php /project_location/www/project/artisan schedule:run >> /dev/null 2>&1

Sunday, December 30, 2018

Generate a Report using Crystal Reports in Visual Studio 2015, C# Crystal Reports without database, C# Crystal Reports with Sub Report, C# Crystal Reports using DataSet and DataTable, C# Crystal Reports using Strongly Typed DataSet

Since a long time, Visual Basic and Visual Studio have Crystal report with it. People are saying that since 1993. But in VS2010, they excluded Crystal reports. Yes, what you just heard is right, Crystal Report has been dropped from Visual Studio 2010. But don't worry, it is available as a separate download from the SAP web site. These are the things that I found from the internet. And now I am going to use VS2015

First need to create an project. Then need to create Crystal Report as below:

Below image is for sub report:

Below image is showing how to insert an Sub Report to Main Report:

Below image is for our DataSet, as we are not using DataBase:

using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using System.Data;
using System.IO;
using System.Web.Mvc;

namespace WebApplication1.Controllers
{
    public class MyController : Controller
    {
        private ReportDocument report = new ReportDocument();

        // GET: My
        public ActionResult Index()
        {
            return View("View1");
        }

        public ActionResult Export()
        {
            ReportDocument rd = new ReportDocument();
            rd.Load(Path.Combine(Server.MapPath("~/Reports/CrystalReport1.rpt")));

            DataTable dataTable = new DataTable();
            dataTable.Columns.Add("Id");
            dataTable.Columns.Add("Name");
            dataTable.Columns.Add("Roll");

            for (int index = 1; index <= 10; index++)
            {
                DataRow r = dataTable.NewRow();
                r["Id"] = index;
                r["Name"] = "Name - " + index;
                r["Roll"] = "Roll - " + index;
                dataTable.Rows.Add(r);
            }
            rd.Database.Tables["DataTable1"].SetDataSource((DataTable)dataTable);

            dataTable = new DataTable();
            dataTable.Columns.Add("SchoolName");
            dataTable.Columns.Add("ExamYear");
            dataTable.Columns.Add("Class");
            DataRow r2 = dataTable.NewRow();
            r2["SchoolName"] = "My School";
            r2["ExamYear"] = "2008/2009";
            r2["Class"] = "Class 9";
            dataTable.Rows.Add(r2);
            rd.Database.Tables["SingleData"].SetDataSource((DataTable)dataTable);

            Response.Buffer = false;
            Response.ClearContent();
            Response.ClearHeaders();
            Stream stream = rd.ExportToStream(ExportFormatType.PortableDocFormat);
            stream.Seek(0, SeekOrigin.Begin);
            return File(stream, "application/pdf", "My.pdf");
        }
    }
}

Below is sample output:

You can download source code from here

Saturday, December 1, 2018

Android How to create Buttons of equal width in a row on any Screen width | How to implement linearlayout with 2 buttons, Horizontal and Vertical | Set two buttons to same width regardless of screen size

It is a common requirement to layout a bunch of buttons side by side. Making them of equal width is just plain good GUI design.



To achieve the effect above, first create a LinearLayout just for the buttons. The layout will contain three buttons.




<LinearLayout android:id="@+id/linearLayout1"
    android:layout_height="wrap_content"
    android:layout_width="fill_parent">
    <Button
        android:id="@+id/button_accept"
        android:text="Accept"
        android:layout_weight="1"
        android:layout_height="40sp"
        android:layout_width="0dp"/>
    <Button
        android:id="@+id/button_reject"
        android:text="Reject"
        android:layout_weight="1"
        android:layout_height="40sp"
        android:layout_width="0dp"/>
    <Button
        android:id="@+id/button_ignore"
        android:text="Ignore"
        android:layout_weight="1"
        android:layout_height="40sp"
        android:layout_width="0dp"/>
</LinearLayout>


We took these steps to get the effect:



1. For the LinearLayout we set android:layout_width="fill_parent". This causes the layout view to take up the full width available from the device.



2. For each Button, we set android:layout_width="fill_parent" and android:layout_weight="1".

Saturday, November 10, 2018

Wkhtmltopdf Characters in single line partially cut between pages

In some pages, characters in single line partially cut between pages. When I convert html convert to pdf using pdfkit gem. I am using wkhtmltox-0.12.4_msvc2015-win32 version.

My Pdf getting cut at below image:

Then I added this to my CSS:

table, img, div {page-break-inside: avoid;}

Not it got fixed as below image:

Friday, October 26, 2018

Android: ActionBar (Top Title Bar) with Custom View (Using Custom Layout as App Title) Example with Top Navigation View Example

n this tutorial, we will create an example to customize ActionBar with a custom layout in Android. Before we begin, I assume you already have created an Android application. BELOW THERE IS FULL SOURCE CODE


1. Main layout file:


*** android.support.v7.widget.Toolbar will be replaced by our custom action bar 



<?xml version="1.0" encoding="utf-8"?>
<!-- Use DrawerLayout as root container for activity -->
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <!-- Layout to contain contents of main body of screen (drawer will slide over this) -->
    <FrameLayout
        android:id="@+id/content_frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#fff">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="#FF4081"
            android:theme="@style/ThemeOverlay.AppCompat.ActionBar" />

    </FrameLayout>

    <!-- Container for contents of drawer - use NavigationView to make configuration easier -->
    <android.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:fitsSystemWindows="true"
        app:menu="@menu/navigation"
        app:headerLayout="@layout/nav_header" />


    <LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        tools:context="pkm.com.customTitleBar.MainActivity"
        android:paddingTop="60dp">


        <ScrollView
            style="@android:style/Widget.ScrollView"
            android:layout_width="match_parent"
            android:layout_height="0dip"
            android:layout_gravity="top"
            android:layout_weight="1"
            android:fillViewport="false"
            android:scrollbarStyle="insideInset">

            <LinearLayout
                android:id="@+id/mainLayoutScrollView"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical">


            </LinearLayout>

        </ScrollView>

        <LinearLayout
            android:id="@+id/mainViewBottomBar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:minHeight="20dp"
            android:orientation="vertical">

        </LinearLayout>

    </LinearLayout>

</android.support.v4.widget.DrawerLayout>


2. Sample AndroidManifest.xml 

*** Turned off default action bar using > android:theme="@style/AppTheme.NoActionBar"  




<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="pkm.com.customTitleBar">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>



*** android:theme="@style/AppTheme.NoActionBar" is defined in RES/VALUES/STYLES.XML as BELOW



<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

    <style name="AppTheme.NoActionBar">
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
    </style>

</resources>


3. Below is navigation.xml used in our main layout file:



<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:id="@+id/navigation_home"
        android:icon="@drawable/ic_home_black_24dp"
        android:title="@string/title_home" />

    <item
        android:id="@+id/navigation_dashboard"
        android:icon="@drawable/ic_dashboard_black_24dp"
        android:title="@string/title_dashboard" />

    <item
        android:id="@+id/navigation_notifications"
        android:icon="@drawable/ic_notifications_black_24dp"
        android:title="@string/title_notifications" />

</menu>


4. Below is nav_header.xml used in our main layout:



<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="80dp"
    android:background="?attr/colorPrimaryDark"
    android:padding="16dp"
    android:theme="@style/ThemeOverlay.AppCompat.Dark"
    android:orientation="vertical"
    android:gravity="bottom">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/app_name"
        android:textAppearance="@style/TextAppearance.AppCompat.Body1"/>

</LinearLayout>


5. Below is main title bar we using in our app:



<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" >

    <TextView
        android:id="@+id/title_text"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentStart="true"
        android:textAllCaps="true"
        android:text="@string/app_name"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="#fff"
        android:textStyle="bold"
        android:layout_marginStart="0dp"
        android:padding="10dp"
        android:paddingEnd="0dp"
        android:layout_marginEnd="85dp"
        android:background="@drawable/border" />

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="35dp"
        android:layout_height="35dp"
        android:layout_alignParentEnd="true"
        android:layout_centerVertical="true"
        android:layout_marginEnd="45dp"
        android:src="@drawable/ic_drawer_menu" />

    <ImageButton
        android:id="@+id/imageButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_centerVertical="true"
        android:layout_marginEnd="8dp"
        android:background="@null"
        android:src="@android:drawable/ic_menu_rotate" />

</RelativeLayout>


6. Below is our main activity class:



package pkm.com.customTitleBar;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;

public class MainActivity extends AppCompatActivity {
    private DrawerLayout mDrawerLayout = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_activity);

        mDrawerLayout = findViewById(R.id.drawer_layout);
        NavigationView navigationView = findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(
                new NavigationView.OnNavigationItemSelectedListener() {
                    @Override
                    public boolean onNavigationItemSelected(MenuItem menuItem) {
                        // set item as selected to persist highlight
                        menuItem.setChecked(true);
                        // close drawer when item is tapped
                        mDrawerLayout.closeDrawers();

                        // Add code here to update the UI based on the item selected
                        // For example, swap UI fragments here

                        return true;
                    }
                });

        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        ActionBar actionbar = getSupportActionBar();
        //actionbar.setDisplayHomeAsUpEnabled(true);
        //actionbar.setHomeAsUpIndicator(R.drawable.ic_drawer_menu);

        Drawable drawable= getResources().getDrawable(R.drawable.ic_drawer_menu);
        Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
        Drawable newDrawable = new BitmapDrawable(getResources(), Bitmap.createScaledBitmap(bitmap, 120, 120, true));
        newDrawable.setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_ATOP);
        actionbar.setDisplayHomeAsUpEnabled(true);
        actionbar.setHomeAsUpIndicator(newDrawable);

        View v = getLinearLayoutById(R.layout.main_title_bar);
        actionbar.setCustomView(v);
        actionbar.setDisplayShowCustomEnabled(true);
    }

    public View getLinearLayoutById(int id) {
        LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        return inflater.inflate(id, null);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                mDrawerLayout.openDrawer(GravityCompat.START);
                return true;
        }
        return super.onOptionsItemSelected(item);
    }
}






CLICK HERE TO DOWNLOAD FULL EXAMPLE

Thursday, October 25, 2018

Android: Get linearLayout (Any layout file from layout folder by name) and add to current Layout

In need to get a LinearLayout (Any layout file from layout folder by name) and add to current Layout

package com.pritom;

import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;

public class TestActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.home_main_page);

        LinearLayout mainLayout = this.findViewById(R.id.mainLayoutScrollView);
        /* If you want to remove all views from current layout */
        if (mainLayout.getChildCount() > 0) mainLayout.removeAllViews();

        LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        /* There must be a layout file named 'home_content.xml' in layout folder */
        View view = inflater.inflate(R.layout.home_content, null);
        mainLayout.addView(view);
    }
}

Saturday, October 6, 2018

Android Activity as a dialog popup box

Let say I have an Activity named PasswordCreatePage which has child dialogs as well. Now, I want to display this activity as a dialog for another activity. At this stage we need something special to do. First let see PasswordCreatePage class below:


package com.pritom.kumar;

import android.app.Activity;
import android.os.Bundle;
import android.view.ViewGroup;
import android.view.Window;

public class PasswordCreatePage extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // If you want to hide title bar
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        // Setting dialog box title
        setTitle(R.string.set_password);
        // Setting layout page at this stage
        setContentView(R.layout.password_create_page);
        // If you want to finish this activity on touch outside of this dialog
        this.setFinishOnTouchOutside(false);
        // Setting dialog box width 100% and height as content height
        getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    }
}

Now we will create/modify a theme in PROJECT/RES/VALUES named STYLES.XML, add below content to the file (actually this file describes the style of the dialog box):

<style name="AlertDialogCustomWithTitle" parent="@android:style/Theme.Dialog">
    <item name="android:buttonStyle">@style/ButtonColor</item>
</style>

At this stage we will create a layout page with below content (it's actually a simple layout page):

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/constraintLayout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:layout_gravity="center"
    android:padding="10dp">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/password" />

</LinearLayout>

Now we will put an entry to ANDROIDMANIFEST.XML related to our Activity:

<activity
    android:name=".PasswordCreatePage"
    android:theme="@style/AlertDialogCustomWithTitle"
    android:excludeFromRecents="true">
</activity>




We are done. If you open this activity, this will open as a Dialog Popup Box.

Pages

Friday, February 8, 2019

Middleware when running Artisan console request

Sunday, December 30, 2018

Generate a Report using Crystal Reports in Visual Studio 2015, C# Crystal Reports without database, C# Crystal Reports with Sub Report, C# Crystal Reports using DataSet and DataTable, C# Crystal Reports using Strongly Typed DataSet

Saturday, December 1, 2018

Android How to create Buttons of equal width in a row on any Screen width | How to implement linearlayout with 2 buttons, Horizontal and Vertical | Set two buttons to same width regardless of screen size

Saturday, November 10, 2018

Wkhtmltopdf Characters in single line partially cut between pages

Friday, October 26, 2018

Android: ActionBar (Top Title Bar) with Custom View (Using Custom Layout as App Title) Example with Top Navigation View Example

Thursday, October 25, 2018

Android: Get linearLayout (Any layout file from layout folder by name) and add to current Layout

Saturday, October 6, 2018

Android Activity as a dialog popup box