Android Activity Lifecycle methods<\/h2>\n<\/div>\n<\/div>\n

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• Let’s see the 7 lifecycle methods of android activity.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
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  Method<\/th>\n	Description<\/th>\n<\/tr>\n
  onCreate<\/td>\n	called when activity is first created.<\/td>\n<\/tr>\n
  onStart<\/td>\n	called when activity is becoming visible to the user.<\/td>\n<\/tr>\n
  onResume<\/td>\n	called when activity will start interacting with the user.<\/td>\n<\/tr>\n
  onPause<\/td>\n	called when activity is not visible to the user.<\/td>\n<\/tr>\n
  onStop<\/td>\n	called when activity is no longer visible to the user.<\/td>\n<\/tr>\n
  onRestart<\/td>\n	called after your activity is stopped, prior to start.<\/td>\n<\/tr>\n
  onDestroy<\/td>\n	called before the activity is destroyed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n It provides the details about the invocation of life cycle methods of activity. In this example, we are displaying the content on the logcat.\n \n File: MainActivity.java<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n \n <\/div> package com.example.activitylifecycle; import android.os.Bundle; import android.app.Activity; import android.util.Log; import android.view.Menu; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Log.d("lifecycle","onCreate invoked"); } @Override protected void onStart() { super.onStart(); Log.d("lifecycle","onStart invoked"); } @Override protected void onResume() { super.onResume(); Log.d("lifecycle","onResume invoked"); } @Override protected void onPause() { super.onPause(); Log.d("lifecycle","onPause invoked"); } @Override protected void onStop() { super.onStop(); Log.d("lifecycle","onStop invoked"); } @Override protected void onRestart() { super.onRestart(); Log.d("lifecycle","onRestart invoked"); } @Override protected void onDestroy() { super.onDestroy(); Log.d("lifecycle","onDestroy invoked"); } } <\/code><\/pre> <\/div><\/figure>\n<\/div>\n<\/div>\n \n \n \n You will not see any output on the emulator or device. You need to open logcat.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n Now see on the logcat: on Create, on Start and on Resume methods are invoked.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n Now click on the HOME Button. You will see on Pause method is invoked.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n After a while, you will see on Stop method is invoked.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n Now see on the emulator. It is on the home. Now click on the center button to launch the app again.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n Now click on the lifecycle activity icon.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n Now see on the logcat: on Restart, on Start and on Resume methods are invoked.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n If you see the emulator, application is started again.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n Now click on the back button. Now you will see onPause methods is invoked.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n \n \n \n After a while, you will see onStop and onDestroy methods are invoked.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n \n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":" Answer : An activity represents a single screen with a user interface…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[105],"tags":[195,119,129,122,162,121,161,219,201,120,130,109,168,107,111,126,113,127,114,118,146,140,145,110,132,144,167,117,133,143,151,156,155,137,128,160,166,148,135,165,153,115,142,150,159,152,134,136,157,141,221,211,203,199,214,198,209,205,147,149,220,222,164,106,218,154,169,196,212,213,163,138,223,123,215,207,108,124,125,204,217,202,139,208,206,116,210,200,197,112,158,131,216],"class_list":["post-104","post","type-post","status-publish","format-standard","hentry","category-android","tag-accenture-interview-questions-and-answers","tag-activities-examples","tag-activity-android","tag-activity-life-cycle-in-android","tag-activity-lifecycle","tag-activity-lifecycle-android","tag-activity-lifecycle-in-android","tag-agreeya-solutions-interview-questions-and-answers","tag-allstate-solutions-pvt-ltd-interview-questions-and-answers","tag-android-account-manager","tag-android-activity","tag-android-activity-example","tag-android-activity-lifecycle","tag-android-activity-lifecycle-diagra","tag-android-activity-lifecycle-onsaveinstancestate","tag-android-adb-driver","tag-android-adb-interface-driver","tag-android-add-widget","tag-android-advanced-tutorial","tag-android-alertdialog-example","tag-android-api","tag-android-app-development","tag-android-app-store","tag-android-application-lifecycle","tag-android-apps","tag-android-apps-download","tag-android-authority","tag-android-button-style","tag-android-developer","tag-android-development","tag-android-development-tutorial","tag-android-device","tag-android-download","tag-android-emulator","tag-android-intent-example","tag-android-lifecycle","tag-android-ndk","tag-android-programming","tag-android-sdk","tag-android-sdk-download","tag-android-service","tag-android-service-lifecycle","tag-android-software","tag-android-studio-tutorial","tag-android-system","tag-android-tutorial","tag-android-update-android","tag-android-versions","tag-android-video","tag-apps-for-android","tag-bharti-airtel-interview-questions-and-answers","tag-bosch-india-software-interview-questions-and-answers","tag-capgemini-interview-questions-and-answers","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-cgi-group-inc-interview-questions-and-answers","tag-chetu-interview-questions-and-answers","tag-collabera-technologies-interview-questions-and-answers","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-developer-android","tag-eclipse-android","tag-electronics-arts-inc-interview-questions-and-answers","tag-flipkart-interview-questions-and-answers","tag-fragment-lifecycle","tag-fragment-lifecycle-in-android","tag-g-cube-webwide-software-pvt-ltd-interview-questions-and-answers","tag-google-android","tag-google-io","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-infosys-technologies-interview-questions-and-answers","tag-intent-in-android","tag-kodi-app","tag-lava-international-ltd-interview-questions-and-answers","tag-life-cycle-of-activity-in-android","tag-maintec-technologies-pvt-ltd-interview-questions-and-answers","tag-mphasis-interview-questions-and-answers","tag-mservice-lifecycle-in-android","tag-oncreate-in-android","tag-onresume-android","tag-oracle-corporation-interview-questions-and-answers","tag-peoplestrong-interview-questions-and-answers","tag-photon-interactive-pvt-ltd-interview-questions-and-answers","tag-poweramp","tag-prokarma-softech-pvt-ltd-interview-questions-and-answers","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-service-lifecycle-android","tag-symphony-teleca-interview-questions-and-answers","tag-tech-mahindra-interview-questions-and-answers","tag-unitedhealth-group-interview-questions-and-answers","tag-what-is-activity-in-android","tag-what-is-android","tag-what-is-manifest-xml-in-androidandroid-phones-best-android-phone","tag-wipro-interview-questions-and-answers"],"yoast_head":"\n