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Your ultimate blog resource for learning Android app development from scratch. Master Java, Kotlin, and Jetpack Compose with hands-on Android Studio tutorials, best practices, and real project examples. A Project by: Technify Soft technifysoft.com

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Technify Soft - Our Apps/Games on Playstore

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- October 14, 2018

We develop useful Apps/Games for every kind of user: >>Check Our Apps/Games:

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Add a Back Button to Action Bar Android Studio (Kotlin)

- March 20, 2018

DESCRIPTION In this tutorial we will add a back button in action bar, when it is clicked it will go to previous activity(the app will close if this was launcher activity). We will go from main activity to new activity by clicking button in main activity. In new activity we will add a back button to actionbar when that button is clicked the main activity will appear... VIDEO SOURCE CODE Step 1: Create a new Project or open new project Step 2: Create New Activity File>New>Activity>EmptyActivity Step 3: Code: activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:app= "http://schemas.android.com/apk/res-auto" xmlns:tools= "http://schemas.android.com/tools" android:layout_width= "match_parent" ...

AlertDialog with custom layout (Kotlin)

- April 16, 2018

How to create Create AlertDialog With Custom Layout (Kotlin)? DESCRIPTION This tutorial will show how to create and show an AlertDialog with C ustom Layout containing views such as EditTexts and Buttons etc. We will show AlertDialog on Button click. Custom layout will contain three EditTexts and two Buttons . When information is entered in EditTexts , Press Login Button , Dialog will be dismissed, and the information will be set to the TextView . VIDEO SOURCE CODE Step 1: Create a new Project or open new project Step 2: Create new Layout Resource file 'login_dialog.xml' under res>layout folder Step 3: Code activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:app= "http://schemas.android.com/apk/res-auto" xmlns:too...

Firebase RecyclerView: Retrieve Images & Text, Implement SearchView, Handle Item Clicks

- May 22, 2018

In this tutorial we will learn using Firebase in Android app using Android Studio. We will: ✓Create Android Studio Project ✓Create Firebase Project and connect our Android Studio Project to that Firebase Project ✓Store Images to FirebaseStorage manually ✓Add data in FirebaseDatabase ✓Retrieve these data(Title, Image, Description) in RecyclerView. To retrieve Images we will use Picasso library. ✓Implement SearchView ✓Handle RecyclerView Item Clicks, When an item is clicked it will be opened in new Activity. ✓Sort Firebase Data displayed in RecyclerView. ✓Save Image, Share Image & Text, Set Image as Wallpaper Step 1: Create a new project OR Open your project Step 2: Choose Empty Activity & name it as "PostsListActivity" Step 3: Create menu.xml under res>menu folder, to search item. Step 4: In menu bar click Tool s > Firebase . Firebase Assistent will open at right side Step 5: Scroll a...

Pick an Image from the Gallery – Android Studio - Kotlin

- September 15, 2018

How to Pick an Image from the Gallery? In this tutorial, we will walk through the complete process of selecting an image from the device’s Gallery in an Android application. This feature is commonly used in many modern apps—for uploading profile pictures, choosing photos for posts, or attaching images to forms. We will start by creating a simple layout with a button that the user can tap to open the Gallery. Once the button is clicked, the system’s built-in image picker will appear, allowing the user to browse their photo library and select a single image. After the user chooses an image, we will retrieve its URI and display it inside an ImageView within our app. >> Check for Java >> Check for Kotlin >> Check for Compose Code: activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:app= "http://schemas.android.com/apk/res-auto" ...

Downloading File From Android WebView

- February 22, 2018

In this tutorial we will handle downloading files from WebView, we will also need Write_External_Storage permission to download files. ✓ Run-time Permission "WRITE_EXTERNAL_STORAGE" on devices >=Marshmallow. ✓ Download any file. ✓ Show download message/progress in notification. Step 1: Create a new project OR Open your project Step 2: Code AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android= "http://schemas.android.com/apk/res/android" package= "com.blogspot.devofandroid.myapplication" >  <uses-permission android:name= "android.permission.INTERNET" />  <uses-permission android:name= "android.permission.WRITE_EXTERNAL_STORAGE" /> <application android:allowBackup= "true" andro...

Custom ListView with SearchView on ActionBar/Toolbar & onItemClick listener - Android Studio

- April 01, 2018

DESCRIPTION This Tutorial will cover: ✔ListView(Image, Title, Description) ✔Filterable ListView ✔SearchView on ActionBar/Toolbar to search ListView items ✔Intent to go to NewActivity onItemClick ✔BackButton in ActionBar of NewActivity VIDEO SOURCE CODE Step 1: Create a new project OR Open your project Step 2: Create New Activity File>New>Activity>EmptyActivity Step 3: Create menu.xml under res>menu folder, to search item. Step 4: Create model.xml in res>layout folder, to design row Step 5: Place some images in res>drawable folder Step 5: Code: AndroidMenifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android= "http://schemas.android.com/apk/res/android" package= "com.blogspot....

PDF reader app - Android Studio Tutorial

- April 17, 2018

DESCRIPTION This tutorial is about: ✓Create PDF app. ✓Display Specific or all pages from PDF ✓Display PDF from Assets folder. ✓Add padding between pages ✓Passwords ✓Scroll PDF pages vertically or Swipe horizontally. VIDEO SOURCE CODE Step 1: Create a new project OR Open your project Step 2: Add following library in build.gradle(Module:app) implementation 'com.github.barteksc:android-pdf-viewer:3.0.0-beta.5' Step 3: Create Assets folder and place a pdf file in that folder. Step 4: Code build.gradle(Module:app) apply plugin: 'com.android.application' android { compileSdkVersion 27 defaultConfig { applicationId "com.blogspot.atifsoftwares.pdfapp" minSdkVersion 16 targetSdkVersion 27 versionCode 1 versionName "1.0" testInstrumentationRunner "android.su...

Add items/menu in Actionbar/Toolbar (Kotlin) - Android Studio

- March 14, 2018

In this tutorial we will add items in actionbar/toolbar, 3-dot menu in actionbar/toolbar and handle item clicks using Kotlin. There will be three items in menu you can add as many as you want. One item will be displayed on action bar with icon, other two items will be displayed by clicking 3-dot menu... Step 1: Create a new Project or open new project Step 2: Create new "Android Resource Directory" by clicking "res>New>Android Resource Directory", choose menu from Resource type Step 3: Create menu.xml by clicking "menu>New>Menu resource file" Step 4: Enter an icon in drawable folder by clicking "drawable>New>Image Asset" Step 5: Code menu.xml <? xml version= "1.0" encoding= "utf-8" ?> < menu xmlns: android = "http://schemas.android.com/apk/res/android" xmlns: app = "http://schemas.android.com/apk/res-auto" > < item ...

Bluetooth Example

- July 19, 2018

Using BluetoothAdapter class we will do the following operations Check if Bluetooth is available or not. Turn On/Off Bluetooth. Make Bluetooth Discoverable. Display Paired/Bounded devices. Note: The getBoundedDevices() method of BluetoothAdapter class provides a set containing list of all paired or bounded bluetooth devices. Permissions Required: BLUETOOTH, BLUETOOTH_ADMIN Step 1: Create a new project OR Open your project Step 2: Add 2 Images to show Bluetooth status icons Step 3: Add BLUETOOTH, BLUETOOTH_ADMIN permission in AndroidMenifest.xml Step 4: Code AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android= "http://schemas.android.com/apk/res/android" package= "com.blogspot.atifsoftwares.bluetoothexample" > <uses-permission android:name= "android.permission.BLUETOOTH" /> <uses-permission android:na...

How to export an Android Studio project as a zip file?

- November 19, 2019

Export an Android Studio project as a ZIP file Starting with the Android Studio 3.0, you can use File | Export to Zip File... to export your project to zip or HTML easily. There is also a great advantage of exporting the project as a zip file, that is, it exports in very small size mostly in KBs. STEPS: Follow these steps to export your project in zip format: Step 1: Create a new project OR Open your project . Step 2: From the Top menu Click File and then click Export to Zip File (Android Studio below 4.1) Step 2: From the Top menu click File > Manage IDE Settings > Export to Zip File (Android Studio 4.1 and above) Step 3: Choose/browse the directory/folder where you want to save the project as zip file, change the name if you want and click OK button. That's it, your project is now saved as zip file.

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