There are 7 methods of Activity Life Cycle they are as below:<\/p>\n
- \n
- onCreate(): It is called once when your activity is created<\/li>\n
- onStart(): It is called after onCreate() when your activity is started<\/li>\n
- onPause(): It is called when you minimise your current \u00a0activity and open other activity<\/li>\n
- onResume(): It is called whenever you resume your activity which was paused<\/li>\n
- onStop(): It is called whenever you close your activity and whenever your activity is no longer visible<\/li>\n
- onRestart(): It is called whenever you restart the application<\/li>\n
- onDestroy(): It is called once when you destroy or kill your application<\/li>\n<\/ol>\n
![](\"https:\/\/www.javatpoint.com\/images\/androidimages\/Android-Activity-Lifecycle.png\")
<\/p>\nCode:<\/p>\n
activity_main.xml<\/p>\n
<RelativeLayout xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\nxmlns:tools=”http:\/\/schemas.android.com\/tools”
\nandroid:layout_width=”match_parent”
\nandroid:layout_height=”match_parent”
\nandroid:paddingBottom=”@dimen\/activity_vertical_margin”
\nandroid:paddingLeft=”@dimen\/activity_horizontal_margin”
\nandroid:paddingRight=”@dimen\/activity_horizontal_margin”
\nandroid:paddingTop=”@dimen\/activity_vertical_margin”
\ntools:context=”.MainActivity” ><\/p>\n<TextView
\nandroid:id=”@+id\/textView1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignParentTop=”true”
\nandroid:layout_centerHorizontal=”true”
\nandroid:layout_marginTop=”60dp”
\nandroid:text=”TextView” \/><\/p>\n<TextView
\nandroid:id=”@+id\/textView2″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/textView1″
\nandroid:layout_below=”@+id\/textView1″
\nandroid:layout_marginTop=”21dp”
\nandroid:text=”TextView” \/><\/p>\n<TextView
\nandroid:id=”@+id\/textView3″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/textView2″
\nandroid:layout_below=”@+id\/textView2″
\nandroid:layout_marginTop=”26dp”
\nandroid:text=”TextView” \/><\/p>\n<TextView
\nandroid:id=”@+id\/textView4″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/textView3″
\nandroid:layout_below=”@+id\/textView3″
\nandroid:layout_marginTop=”26dp”
\nandroid:text=”TextView” \/><\/p>\n<TextView
\nandroid:id=”@+id\/textView5″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/textView4″
\nandroid:layout_below=”@+id\/textView4″
\nandroid:layout_marginTop=”24dp”
\nandroid:text=”TextView” \/><\/p>\n<TextView
\nandroid:id=”@+id\/textView6″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/textView5″
\nandroid:layout_below=”@+id\/textView5″
\nandroid:layout_marginTop=”35dp”
\nandroid:text=”TextView” \/><\/p>\n<TextView
\nandroid:id=”@+id\/textView7″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/textView6″
\nandroid:layout_below=”@+id\/textView6″
\nandroid:layout_marginTop=”32dp”
\nandroid:text=”TextView” \/><\/p>\n<\/RelativeLayout><\/p>\n
MainActivity.java<\/p>\n
package com.example.demo;<\/p>\n
import android.os.Bundle;
\nimport android.app.Activity;
\nimport android.util.Log;
\nimport android.view.Menu;
\nimport android.widget.TextView;
\npublic class MainActivity extends Activity {
\nTextView tv1,tv2,tv3,tv4,tv5,tv6,tv7;<\/p>\n@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.activity_main);
\ntv1=(TextView)findViewById(R.id.textView1);
\ntv2=(TextView)findViewById(R.id.textView2);
\ntv3=(TextView)findViewById(R.id.textView3);
\ntv4=(TextView)findViewById(R.id.textView4);
\ntv5=(TextView)findViewById(R.id.textView5);
\ntv6=(TextView)findViewById(R.id.textView6);
\ntv7=(TextView)findViewById(R.id.textView7);<\/p>\ntv1.setText(“onCreate invoked”);
\nLog.d(“Lifecycle”,”onCreate invoked”);
\n}<\/p>\n@Override
\nprotected void onStart()
\n{
\nsuper.onStart();
\ntv2.setText(“onStart invoked”);
\nLog.d(“Lifecycle”,”onStart invoked”);<\/p>\n}<\/p>\n
@Override
\nprotected void onResume()
\n{
\nsuper.onResume();
\ntv3.setText(“onResume invoked”);
\nLog.d(“Lifecycle”,”onResume invoked”);<\/p>\n}<\/p>\n
@Override
\nprotected void onPause()
\n{
\nsuper.onPause();
\ntv4.setText(“onPause invoked”);
\nLog.d(“Lifecycle”,”onPause invoked”);<\/p>\n}<\/p>\n
@Override
\nprotected void onStop()
\n{
\nsuper.onStop();
\ntv5.setText(“onStop invoked”);
\nLog.d(“Lifecycle”,”onStop invoked”);<\/p>\n}<\/p>\n
@Override
\nprotected void onRestart()
\n{
\nsuper.onRestart();
\ntv6.setText(“onRestart invoked”);
\nLog.d(“Lifecycle”,”onRestart invoked”);<\/p>\n}<\/p>\n
@Override
\nprotected void onDestroy()
\n{
\nsuper.onDestroy();
\ntv7.setText(“onDestroy invoked”);
\nLog.d(“Lifecycle”,”onDestroy invoked”);<\/p>\n}<\/p>\n
@Override
\npublic boolean onCreateOptionsMenu(Menu menu) {
\n\/\/ Inflate the menu; this adds items to the action bar if it is present.
\ngetMenuInflater().inflate(R.menu.main, menu);
\nreturn true;
\n}<\/p>\n}<\/p>\n
<\/p>\n