See what's new in Android & IOS & Hybrid development … explore and learn in site

			
 MainActivity[MainActivity.class]
			
			package com.androidfeeders.activitylifecycle;
			
			import android.support.v7.app.AppCompatActivity;
			import android.os.Bundle;
			import android.util.Log;
			
			public class MainActivity extends AppCompatActivity {
			
			public static final String TAG=MainActivity.class.getSimpleName();
			
				@Override
				protected void onCreate(Bundle savedInstanceState) {
					super.onCreate(savedInstanceState);
					setContentView(R.layout.activity_main);
					// log message to see in  android monitor
					Log.d(TAG,"onCreate method");
				}
				@Override
				protected void onResume() {
					super.onResume();
					Log.d(TAG,"onResume method");
				}
				@Override
				protected void onPause() {
					super.onPause();
					Log.d(TAG,"onPause method");
				}
				@Override
				protected void onStop() {
					super.onStop();
					Log.d(TAG,"onSTop method");
				}
				@Override
				protected void onRestart() {
					super.onRestart();
					Log.d(TAG,"onRestart method");
				}
				@Override
				protected void onDestroy() {
					super.onDestroy();
					Log.d(TAG,"onDestroy method");
				}
			}
			

Gradle Scripts~build.gradle[Module:app]

	apply plugin: 'com.android.application'
	
	android {
	compileSdkVersion 28
	defaultConfig {
	applicationId "com.androidfeeders.activitylifecycle"
	minSdkVersion 15
	targetSdkVersion 28
	versionCode 1
	versionName "1.0"
	testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
	}
	buildTypes {
	release {
	minifyEnabled false
	proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
	}
	}
	}
	
	dependencies {
	implementation fileTree(dir: 'libs', include: ['*.jar'])
	implementation 'com.android.support:appcompat-v7:28.0.0-alpha3'
	implementation 'com.android.support.constraint:constraint-layout:1.1.2'
	testImplementation 'junit:junit:4.12'
	androidTestImplementation 'com.android.support.test:runner:1.0.2'
	androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
	}
	

Gradle Scripts~build.gradle[Project:AndroidstudioSampleCode]

	// Top-level build file where you can add configuration options common to all sub-projects/modules.
	buildscript {
	
	repositories {
	google()
	jcenter()
	}
	dependencies {
	classpath 'com.android.tools.build:gradle:3.1.1'
	
	
	// NOTE: Do not place your application dependencies here; they belong
	// in the individual module build.gradle files
	}
	}
	
	allprojects {
	repositories {
	google()
	jcenter()
	}
	}
	
	task clean(type: Delete) {
	delete rootProject.buildDir
	}
	

Resource[strings.xml]

	<resources>
	<string name="app_name">ActivityLifeCycle</string>
	
	</resources>
	

manifests

	<?xml version="1.0" encoding="utf-8"?>
	<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.androidfeeders.activitylifecycle">
	
	<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=".ActivityLifeCycle">
	<intent-filter>
	<action android:name="android.intent.action.MAIN" />
	
	<category android:name="android.intent.category.LAUNCHER" />
	</intent-filter>
	</activity>
	</application>
	
	</manifest>