Flutter Dart: Flutter 3D Buttons: https://medium.com/flutterpub/anatomy-of-material-buttons-in-flutter-first-part-40eb790979a6 Flutter Latest news: https://medium.com/flutter/two-months-of-fluttergoodnewswednesday-a12e60bab782 Build flutter app: https://www.youtube.com/watch?v=x0uinJvhNxIhttps://flutter.dev/docs/get-started/codelab Flutter toggle color after click: https://stackoverflow.com/questions/50863681/flutter-how-do-i-toggle-the-color-of-a-raisedbutton-upon-click Flutter on codePen: https://codepen.io/flutter Flutter gridlist examples: https://flutter.dev/docs/cookbook/lists/grid-lists Fetch data from server in flutter: https://flutter.dev/docs/cookbook/networking/background-parsing https://medium.com/flutterdevs/parsing-complex-json-in-flutter-b7f991611d3e UX Design in flutter: https://uxdesign.cc/flutter-design-challenge-onboarding-concept-1f5774d55646 Get the data from API: https://medium.com/flutter-community/parsing-complex-json-in-flutter-747c46655f51 Flutter time series: https://stackoverflow.com/questions/51739064/flutter-json-and-time-series-charts Flutter dart packages: https://www.w3adda.com/dart-tutorial/dart-packages Flutter dart introduction: https://www.w3adda.com/dart-tutorial/dart-introduction https://openlibrary.org/works/OL17556930W/Android_Fully_Loaded https://archive.org/details/unlockingandroid0000able/page/n5?q=Build+android+os Create mock server using postman: https://learning.postman.com/docs/postman/mock-servers/setting-up-mock/ Web Socket examples: https://www.websocket.org/echo.html Energy consumption calculator: https://www.rapidtables.com/calc/electric/energy-consumption-calculator.html Git hub basic course: https://www.udemy.com/course/git-and-github-crash-course-creating-a-repository-from-scratch/ Install svn on ubuntu: https://linuxtechlab.com/simple-guide-to-install-svn-on-ubuntu Flutter line chart,bar & pie chart: https://pub.dev/packages/fl_chart https://google.github.io/charts/flutter/example/bar_charts/simple.html https://www.digitalocean.com/community/tutorials/flutter-bar-charts https://github.com/imaNNeoFighT/fl_chart/blob/master/repo_files/documentations/pie_chart.md#sample-1-source-code Flutter list & grid view link: https://medium.com/@vignesh_prakash/flutter-listview-and-gridview-with-tabbar-221516518c75 Flutter Page color link: https://medium.com/flutter-community/a-deep-dive-into-pageview-in-flutter-with-custom-transitions-581d9ea6dded Flutter page control link: https://api.flutter.dev/flutter/widgets/PageController-class.html

STM 32 MCU and MPU Roadmap contains: 1. MPU (STM32MP1): - MPU with Arm Cortex-A7 650 MHz, Arm Cortex-M4 real-time coprocessor, TFT display, - Secure boot and Cryptography. - Combination of audio and real time processing with cortex A and M architecture. -STM32Cube AI tool running on cortex M4. - Camera and audio interfaces to simplify input device integration. Application: Used for real time and low power application and also graphic and communication high performance processing. Provide cloud based , making Smart home gateway with advance HMI and HD video. 2. High Performance MCUs(STM32F2, STM32F4, STM32FH7, STM32F7): These MCUs are available in single core as well as dual core. A7 type having large of flash and Ram is provided. STM32H7 having 280 Mhz embedding 2 MB flash ,1.4 MB RAM Application: graphics

JSON libraries 1.frozen Output JSON objects in C as JSON formatted strings and parse JSON formatted strings back into the C presentation of the JSON objects. FEATUES: • C and C++ complaint portable. • Several extra format specifiers supported. JSON token: This stucture contains- Pointer pointing to beginning of the value. Value length Type of the token Token types are string,number,true,false,null, object start, object end,array start and array end. API’s: • json_scanf Scans json string directly into c/c++ variables. • json_printf Print c/c++ variables directly into output stream. • json_setf Modifies existing json_string.

To Create any application in android we have to deal with three files: AndroidManifest.xmlactivity_main.xmlMainActivity.java AndroidManifest.xml: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.login.login"> <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"> <intent-filter> <action android:name="android.intent.action.MAIN" />

Functionality: How to interact with activity,when a button is clicked,navigate from current screen(current activity) to another screen(another activity). Activity: In android,an activity is representing a single screen.Most applications have multiple activities to represent different screens.for example,one activity to display a list of the application settings,another to display application status. To Create any application in android we have to deal with three files: AndroidManifest.xmlactivity_main.xmlMainActivity.java AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.nav.navigation" > <application android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name=".MainActivity" android:label="@string/title_activity_main" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category

Here ,we are creating simple and basic functions calculator App. This app can help you to understand the layouts, buttons and action handling. To create this app we need to use different widgets such as TextView, button, EditText etc.This app is able to perform following basic four mathematical functions : AdditionSubtractionMultiplicationDivision To Create any application in android we have to deal with three files: AndroidManifest.xmlactivity_main.xmlMainActivity.java AndroidManifest.xml The AndroidManifest.xml contains information of your package, including components of the application such as activities, services, broadcast receivers, content providers etc. <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.calculator.calculator2"> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name"

About Android USB Android supports USB devices through two modes: Android Accessory: In this mode external USB device acts as host.Android Host: In this mode Android Device acts as host and powers the external device. Manifest File for USB connection We want to be notified when an external USB device is attached to the Android device.This can be done adding a new intent filter entry to the Activity that should be started by the system when a USB device is plugged in. <activity ....... <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> <intent-filter> <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"

ListView In Android, List of scroll-able items can be displayed using ListView. Users can select any list item by clicking on it. Problem Statement: Develop an application to create list of fruits using ListView and display selected fruit of ListView using toast. How to get the selected item from ListView? Several Ways to create ListView: There 2 ways to create ListView: we can assign ListView by giving values in main.xml.we can assign values in string.xml. Sample Code: Here is sample code for ListView using toast in android, Created two files to develop an application. Layout file(activity_main.xml):This file contains code to design an GUI of an application. In this we have used widget ListView to display list and TextView to display text on lists.Activity file(MainActivity.java): This file contains

Problem Statement: Printing Hello World text using activity,service and broadcast receiver. This program demonstrates how to call any activity from service and service from broadcast receiver. The application starts from broadcast receiver then control goes to service and service call activity to print "Hello World". Several ways To create an application: LocalBroadcastManager:This can be used ,If you want to send broadcasts to your application.BroadcastReceiver:This can be used,If you want to send broadcasts across applications. About Code: I have created 3 java classes namely broadcast,MyService,MyActivity. broadcast.java :This class inherits BroadcastReceiver class and contains method onReceive(Context context, Intent intent) to create an intent and to call startService() method.MyService.java:This class inherits Service class and contains method onBind(Intent intent) to create intent and to call startActivity().MainActivity.java:This class inherits Activity