{"id":7120,"date":"2022-09-07T00:25:34","date_gmt":"2022-09-06T18:55:34","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-null-pointer-exception-on-button-send-closed\/"},"modified":"2022-09-07T00:25:34","modified_gmt":"2022-09-06T18:55:34","slug":"solved-null-pointer-exception-on-button-send-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-null-pointer-exception-on-button-send-closed\/","title":{"rendered":"[Solved] Null pointer exception on button send [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-23632637\" class=\"answer js-answer downvoted-answer accepted-answer js-accepted-answer\" data-answerid=\"23632637\" data-parentid=\"23632493\" data-score=\"-4\" data-position-on-page=\"2\" data-highest-scored=\"0\" data-question-has-accepted-highest-score=\"0\" itemprop=\"suggestedAnswer\" 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>Just write your <code>if<\/code> loop after declaration of your all the views in your <code>onCreate()<\/code> as below:<\/p>\n<pre><code>@Override\npublic void onCreate(Bundle savedInstanceState) {\n    super.onCreate(savedInstanceState);\n    setContentView(R.layout.activity_main);\n\n     buttonSend = (Button) findViewById(R.id.buttonSend);\n    textTo = (EditText) findViewById(R.id.editTextSendTo);\n    textSubject = (EditText) findViewById(R.id.editTextName);\n    textMessageContact = (EditText) findViewById(R.id.editTextContact);\n    textMessageEmail = (EditText) findViewById(R.id.editTextEmail);\n    textMessageAmount = (EditText) findViewById(R.id.editTextAmount);\n    spinner = (Spinner) findViewById(R.id.spinner);\n    buttonSend.setOnClickListener(new OnClickListener() {\n        @Override\n        public void onClick(View v) {\n\n            String to = textTo.getText().toString();\n            String subject = textSubject.getText().toString();\n\n            Intent email = new Intent(Intent.ACTION_SEND);\n            email.putExtra(Intent.EXTRA_EMAIL, new String[] { to });\n            email.putExtra(Intent.EXTRA_SUBJECT, subject);\n            email.setType(\"message\/rfc822\");\n            startActivity(Intent.createChooser(email,\n                    \"Choose an Email client :\"));\n\n        }\n    });\n\n if (savedInstanceState == null) {\n        getSupportFragmentManager().beginTransaction()\n                .add(R.id.container, new    PlaceholderFragment()).commit();\n    }\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">2<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Null pointer exception on button send [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Just write your if loop after declaration of your all the views in your onCreate() as below: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); buttonSend = (Button) findViewById(R.id.buttonSend); textTo = (EditText) findViewById(R.id.editTextSendTo); textSubject = (EditText) findViewById(R.id.editTextName); textMessageContact = (EditText) findViewById(R.id.editTextContact); textMessageEmail = (EditText) findViewById(R.id.editTextEmail); textMessageAmount = (EditText) findViewById(R.id.editTextAmount); spinner = (Spinner) findViewById(R.id.spinner); buttonSend.setOnClickListener(new &#8230; <a title=\"[Solved] Null pointer exception on button send [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-null-pointer-exception-on-button-send-closed\/\" aria-label=\"More on [Solved] Null pointer exception on button send [closed]\">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":[452,573,323],"class_list":["post-7120","post","type-post","status-publish","format-standard","hentry","category-solved","tag-android","tag-eclipse","tag-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] Null pointer exception on button send [closed] - 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-null-pointer-exception-on-button-send-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Null pointer exception on button send [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Just write your if loop after declaration of your all the views in your onCreate() as below: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); buttonSend = (Button) findViewById(R.id.buttonSend); textTo = (EditText) findViewById(R.id.editTextSendTo); textSubject = (EditText) findViewById(R.id.editTextName); textMessageContact = (EditText) findViewById(R.id.editTextContact); textMessageEmail = (EditText) findViewById(R.id.editTextEmail); textMessageAmount = (EditText) findViewById(R.id.editTextAmount); spinner = (Spinner) findViewById(R.id.spinner); buttonSend.setOnClickListener(new ... 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