Create an application to display various android activity lifecycle phases.

/*Create an application to display various android activity lifecycle phases*/

File Name: activity_main.xml

<RelativeLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    android:paddingBottom="@dimen/activity_vertical_margin"

    tools:context=".MainActivity">

    <TextView

        android:text="@string/hello_world"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content" />

</RelativeLayout>

File Name: MainActivity.java

package com.fuzzycode.lifecycle;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.util.Log;

import android.view.Menu;

import android.view.MenuItem;

public class MainActivity extends AppCompatActivity {

    String tag = "LifeCycleEvents";

    @Override

     protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

    

   @Override

   public void onStart()

    {

        super.onStart();

        Log.d(tag, "In the onStart() event");

    }

    @Override

    public void onRestart()

    {

        super.onRestart();

        Log.d(tag, "In the onRestart() event");

    }

    @Override

    public void onResume()

    {

        super.onResume();

        Log.d(tag, "In the onResume() event");

    }

    @Override

    public void onPause()

    {

        super.onPause();

        Log.d(tag, "In the onPause() event");

    }

    @Override

    public void onStop()

    {

        super.onStop();

        Log.d(tag, "In the onStop() event");

    }

    @Override

    public void onDestroy()

    {

        super.onDestroy();

        Log.d(tag, "In the onDestroy() event");

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        getMenuInflater().inflate(R.menu.menu_main, menu);

        return true;

    }

    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        int id = item.getItemId();

        if (id == R.id.action_settings) {

            return true;

        }

        return super.onOptionsItemSelected(item);

    }

}    

output :

when the App is launched:

when the app is stop:

when i paushed the App:

when i terminate the App: