{"id":887,"date":"2017-03-07T21:17:37","date_gmt":"2017-03-07T13:17:37","guid":{"rendered":"http:\/\/www.yusian.com\/blog\/?p=887"},"modified":"2017-03-07T21:17:37","modified_gmt":"2017-03-07T13:17:37","slug":"android%e5%9f%ba%e7%a1%80%e6%8e%a7%e4%bb%b6radiobutton%e7%9a%84%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.yusian.com\/blog\/android\/2017\/03\/07\/211737887.html","title":{"rendered":"Android\u57fa\u7840\u63a7\u4ef6RadioButton\u7684\u57fa\u672c\u4f7f\u7528"},"content":{"rendered":"<p>1\u3001\u5148\u4e0a\u56fe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.yusian.com\/blog\/wp-content\/uploads\/2017\/03\/20170307210956.jpg\" alt=\"\" width=\"360\" height=\"217\" class=\"alignnone size-full wp-image-888\" \/><\/p>\n<p>2\u3001\u57fa\u7840\u77e5\u8bc6<br \/>\n2.1\u3001RadioButton\u4e00\u822c\u9700\u8981\u914d\u5408RadioGroup\u4f7f\u7528\uff0c\u5426\u5219Radio\u4e4b\u95f4\u4e0d\u80fd\u4e92\u65a5\uff1b<br \/>\n2.2\u3001RadioButton\u7684\u4e8b\u4ef6\u4e00\u822c\u7ed1\u5b9a\u5728RadioGroup\u63a5\u53e3\u4e2d\uff1aRadioGroup.OnCheckedChangeListener\uff0c\u5b9e\u73b0\u65b9\u6cd5onCheckedChanged(RadioGroup group, @IdRes int checkedId);<br \/>\n2.3\u3001RadioGroup\u901a\u8fc7getCheckedRadioButtonId()\u65b9\u6cd5\u53ef\u83b7\u53d6\u5f53\u524d\u88ab\u9009\u4e2dRadioButton\u7684ID\uff1b<\/p>\n<p>3\u3001Demo\u8bf4\u660e<br \/>\n3.1\u3001\u5f53\u9009\u4e2dRadioGroup\u4e2d\u7684\u67d0\u4e2aRadioButton\u65f6\uff0c\u901a\u8fc7Log\u7c7b\u5c06\u5176id\u4e0e\u6587\u672c\u8f93\u51fa\uff1b<br \/>\n3.2\u3001\u5f53\u70b9\u51fb\u63d0\u4ea4\u6309\u94ae\u65f6\uff0c\u4fee\u6539TextView\u4e2d\u7684\u6587\u5b57\uff0c\u4e0eRadioButton\u4e2d\u76f8\u5173\u7684\u6587\u5b57\u5173\u8054\u8d77\u6765\uff1b<\/p>\n<p>4\u3001\u5173\u952e\u4ee3\u7801<!--more--><br \/>\nActivity<\/p>\n<pre line=\"1\" lang=\"java\">package com.yusian.demo;\n\nimport android.support.annotation.IdRes;\nimport android.support.v7.app.AppCompatActivity;\nimport android.os.Bundle;\nimport android.text.Editable;\nimport android.text.TextWatcher;\nimport android.util.Log;\nimport android.view.View;\nimport android.widget.Button;\nimport android.widget.EditText;\nimport android.widget.RadioButton;\nimport android.widget.RadioGroup;\nimport android.widget.TextView;\n\nimport org.w3c.dom.Text;\n\npublic class MainActivity extends AppCompatActivity {\n\n    private  RadioGroup radioGroup;\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main);\n\n        final RadioGroup radioGroup = (RadioGroup)findViewById(R.id.radioGroup);\n        radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {\n            @Override\n            public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) {\n                RadioButton radio = (RadioButton) findViewById(checkedId);\n                Log.i(\"SALog\", \"id:\"+checkedId+\"-->\"+radio.getText());\n            }\n        });\n\n        Button button = (Button)findViewById(R.id.button);\n        button.setOnClickListener(new View.OnClickListener() {\n            @Override\n            public void onClick(View v) {\n                int id = radioGroup.getCheckedRadioButtonId();\n                if (id <= 0) return;\n                RadioButton radio = (RadioButton)findViewById(id);\n                TextView textView = (TextView)findViewById(R.id.textView);\n                textView.setText(\"\u5145\u503c\u91d1\u989d\uff1a\"+radio.getText());\n            }\n        });\n    }\n}<\/pre>\n<p>XML<\/p>\n<pre lang=\"java\" line=\"1\"><?xml version=\"1.0\" encoding=\"utf-8\"?>\n<LinearLayout\n    xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"\n    xmlns:tools=\"http:\/\/schemas.android.com\/tools\"\n    android:layout_width=\"match_parent\"\n    android:layout_height=\"match_parent\"\n    android:orientation=\"vertical\"\n    tools:context=\"com.yusian.demo.MainActivity\">\n    <TextView\n        android:id=\"@+id\/textView\"\n        android:layout_width=\"wrap_content\"\n        android:layout_height=\"wrap_content\"\n        android:textSize=\"20sp\"\n        android:text=\"\u5145\u503c\u91d1\u989d\"\/>\n\n    <RadioGroup\n        android:id=\"@+id\/radioGroup\"\n        android:layout_width=\"wrap_content\"\n        android:layout_height=\"wrap_content\"\n        android:orientation=\"horizontal\">\n\n        <RadioButton\n            android:id=\"@+id\/radio1\"\n            android:layout_width=\"wrap_content\"\n            android:layout_height=\"wrap_content\"\n            android:text=\"50\"\/>\n        <RadioButton\n            android:id=\"@+id\/radio2\"\n            android:layout_width=\"wrap_content\"\n            android:layout_height=\"wrap_content\"\n            android:text=\"100\"\/>\n        <RadioButton\n            android:id=\"@+id\/radio3\"\n            android:layout_width=\"wrap_content\"\n            android:layout_height=\"wrap_content\"\n            android:text=\"200\"\/>\n\n    <\/RadioGroup>\n\n    <Button\n        android:id=\"@+id\/button\"\n        android:layout_width=\"wrap_content\"\n        android:layout_height=\"wrap_content\"\n        android:text=\"\u63d0\u4ea4\"\/>\n<\/LinearLayout><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001\u5148\u4e0a\u56fe 2\u3001\u57fa\u7840\u77e5\u8bc6 2.1\u3001RadioButton\u4e00\u822c\u9700\u8981\u914d\u5408RadioGroup\u4f7f\u7528\uff0c\u5426\u5219Radio\u4e4b\u95f4\u4e0d\u80fd\u4e92\u65a5\uff1b 2.2\u3001RadioButton\u7684\u4e8b\u4ef6\u4e00\u822c\u7ed1\u5b9a\u5728RadioGroup\u63a5\u53e3\u4e2d\uff1aRadioGroup.OnCheckedChangeListener\uff0c\u5b9e\u73b0\u65b9\u6cd5onCheckedChanged(RadioGroup group, @IdRes int checkedId); 2.3\u3001RadioGroup\u901a\u8fc7getCheckedRadioButtonId()\u65b9\u6cd5\u53ef\u83b7\u53d6\u5f53\u524d\u88ab\u9009\u4e2dRadioButton\u7684ID\uff1b 3\u3001Demo\u8bf4\u660e 3.1\u3001\u5f53\u9009\u4e2dRadioGroup\u4e2d\u7684\u67d0\u4e2aRadioButton\u65f6\uff0c\u901a\u8fc7Log\u7c7b\u5c06\u5176id\u4e0e\u6587\u672c\u8f93\u51fa\uff1b 3.2\u3001\u5f53\u70b9\u51fb\u63d0\u4ea4\u6309\u94ae\u65f6\uff0c\u4fee\u6539TextView\u4e2d\u7684\u6587\u5b57\uff0c\u4e0eRadioButton\u4e2d\u76f8\u5173\u7684\u6587\u5b57\u5173\u8054\u8d77\u6765\uff1b 4\u3001\u5173\u952e\u4ee3\u7801<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[33,20],"class_list":["post-887","post","type-post","status-publish","format-standard","hentry","category-android","tag-33","tag-basics"],"_links":{"self":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/887","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/comments?post=887"}],"version-history":[{"count":0,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/887\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/media?parent=887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/categories?post=887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/tags?post=887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}