{"id":10942,"date":"2022-09-25T13:28:55","date_gmt":"2022-09-25T07:58:55","guid":{"rendered":"http:\/\/jassweb.com\/solved\/solved-when-i-use-the-back-button-in-activity-my-app-crashes-after-i-click-a-button-in-the-app\/"},"modified":"2022-09-25T13:28:55","modified_gmt":"2022-09-25T07:58:55","slug":"solved-when-i-use-the-back-button-in-activity-my-app-crashes-after-i-click-a-button-in-the-app","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-when-i-use-the-back-button-in-activity-my-app-crashes-after-i-click-a-button-in-the-app\/","title":{"rendered":"[Solved] When i use the back button in activity my app crashes after i click a button in the app"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-20062001\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"20062001\" data-parentid=\"20060715\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>If you are setting two different views on a button click, why don&#8217;t you create two different activities and set content those views in those activities. <\/p>\n<p>Then you can call those activities from those button click listeners. It is fast efficient and your app will not crash.<\/p>\n<pre><code>java.lang.IllegalStateException: Could not find a method ButtonOnClick(View) in the activity class com.example.submenus.MainActivity for onClick handler on view class android.widget.Button with id 'a4button'\n<\/code><\/pre>\n<p>This errors means that you do not have a method named <code>ButtonOnClick(View)<\/code> for button with id <code>a4button<\/code>.<\/p>\n<p>Remove those final modifiers also<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved When i use the back button in activity my app crashes after i click a button in the app <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] If you are setting two different views on a button click, why don&#8217;t you create two different activities and set content those views in those activities. Then you can call those activities from those button click listeners. It is fast efficient and your app will not crash. java.lang.IllegalStateException: Could not find a method ButtonOnClick(View) &#8230; <a title=\"[Solved] When i use the back button in activity my app crashes after i click a button in the app\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-when-i-use-the-back-button-in-activity-my-app-crashes-after-i-click-a-button-in-the-app\/\" aria-label=\"More on [Solved] When i use the back button in activity my app crashes after i click a button in the app\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[452],"class_list":["post-10942","post","type-post","status-publish","format-standard","hentry","category-solved","tag-android"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] When i use the back button in activity my app crashes after i click a button in the app - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-when-i-use-the-back-button-in-activity-my-app-crashes-after-i-click-a-button-in-the-app\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] When i use the back button in activity my app crashes after i click a button in the app - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] If you are setting two different views on a button click, why don&#8217;t you create two different activities and set content those views in those activities. Then you can call those activities from those button click listeners. It is fast efficient and your app will not crash. java.lang.IllegalStateException: Could not find a method ButtonOnClick(View) ... 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