How to create button in android
Activity_main_xml : coding for layout <androidx.constraintlayout.widget.ConstraintLayout 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" android :layout_height ="match_parent" tools :context =".MainActivity" > <Button android :id ="@+id/button" android :layout_width ="120dp" android :layout_height ="120dp" android :text ="Simple Button" tools :ignore ="MissingConstraints" /> </androidx.constraintlayout.widget.ConstraintLayout> MainActivity.java: Coding For MainActivity package com.example.howtocreatebuttoninandroid ; import androidx.appcompat.app.AppCompatActivity ; import android.os.Bundle ; import android.view.View ; import android.w...