{"id":539,"date":"2023-09-19T18:52:05","date_gmt":"2023-01-17T18:10:41","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e4%bd%bf%e7%94%a8kotlin%e7%bc%96%e5%86%99%e7%9a%84android%e8%ad%a6%e7%a4%ba%e5%af%b9%e8%af%9d%e6%a1%86\/"},"modified":"2025-08-02T16:43:34","modified_gmt":"2025-08-02T08:43:34","slug":"%e4%bd%bf%e7%94%a8kotlin%e7%bc%96%e5%86%99%e7%9a%84android%e8%ad%a6%e7%a4%ba%e5%af%b9%e8%af%9d%e6%a1%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8kotlin%e7%bc%96%e5%86%99%e7%9a%84android%e8%ad%a6%e7%a4%ba%e5%af%b9%e8%af%9d%e6%a1%86\/","title":{"rendered":"Kotlin\u5b9e\u73b0Android\u8b66\u793a\u5bf9\u8bdd\u6846\uff1a\u5b8c\u6574\u6559\u7a0b\u4e0e\u4ee3\u7801\u793a\u4f8b"},"content":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300a\u4f7f\u7528Kotlin\u7f16\u5199\u7684Android\u8b66\u793a\u5bf9\u8bdd\u6846\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51714\u90e8\u5206\uff09\u3002<\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u8b66\u62a5\u5bf9\u8bdd\u6846\uff0c\u5e76\u4f7f\u7528Kotlin\u5728\u6211\u4eec\u7684Android\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u5b83\u4eec\u3002<\/p>\n<h2>\u8b66\u62a5\u5bf9\u8bdd\u6846<\/h2>\n<p>\u8b66\u793a\u5bf9\u8bdd\u6846\u662f\u5f39\u51fa\u5728\u5c4f\u5e55\u4e0a\u7684\u7a97\u53e3\u3002\u5b83\u4eec\u901a\u5e38\u663e\u793a\u4e00\u4e9b\u4fe1\u606f\u5e76\u8981\u6c42\u7528\u6237\u91c7\u53d6\u67d0\u79cd\u64cd\u4f5c\u3002\u6784\u6210\u8b66\u793a\u5bf9\u8bdd\u6846\u7684\u6838\u5fc3\u7ec4\u4ef6\u6709\u4e09\u4e2a\u3002<\/p>\n<ul class=\"post-ul\">\n<li>\u6807\u9898\u6587\u672c\uff08Title Text\uff09<\/li>\n<li>\u6d88\u606f\u6587\u672c\uff08Message Text\uff09<\/li>\n<li>\u6309\u94ae\uff08Buttons\uff09- \u6709\u4e09\u79cd\u7c7b\u578b\u7684\u6309\u94ae\uff1a\u79ef\u6781\u6309\u94ae\uff08Positive\uff09\u3001\u6d88\u6781\u6309\u94ae\uff08Negative\uff09\u548c\u4e2d\u6027\u6309\u94ae\uff08Neutral\uff09<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u521b\u5efa\u4e00\u4e2aAlertDialog\uff0c\u6211\u4eec\u4f7f\u7528AlertDialog.Builder\u5185\u90e8\u7c7b\u3002<\/p>\n<pre class=\"post-pre\"><code>val alertDialogBuilder = AlertDialog.Builder(this)\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u5728\u6784\u9020\u51fd\u6570\u4e2d\u4f20\u9012\u4e0a\u4e0b\u6587\u3002\u53ef\u9009\u7684\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f20\u9012\u53e6\u4e00\u4e2a\u53c2\u6570\uff0c\u5373\u8b66\u793a\u5bf9\u8bdd\u6846\u7684\u6837\u5f0f\u3002<\/p>\n<h2>\u63d0\u793a\u5bf9\u8bdd\u6846\u7684\u65b9\u6cd5<\/h2>\n<p>\u53ef\u4ee5\u5728AlertDialog\u4e0a\u4f7f\u7528\u7684\u4e00\u4e9b\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li>setTitle &#8211; \u8bbe\u7f6e\u6807\u9898<\/li>\n<li>setMessage &#8211; \u8bbe\u7f6e\u6d88\u606f<\/li>\n<li>setIcon &#8211; \u8bbe\u7f6e\u56fe\u6807<\/li>\n<li>setCustomTitle &#8211; \u5728\u8fd9\u91cc\u4f60\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u81ea\u5b9a\u4e49\u89c6\u56fe\uff0c\u5b83\u5c06\u88ab\u653e\u7f6e\u5728\u8b66\u793a\u5bf9\u8bdd\u6846\u7684\u6807\u9898\u90e8\u5206\u3002<\/li>\n<li>setPositiveButton &#8211; \u6211\u4eec\u5728\u8fd9\u91cc\u4f20\u9012\u5b57\u7b26\u4e32\u540d\u79f0\u4ee5\u53ca\u6309\u94ae\u70b9\u51fb\u56de\u8c03\u65b9\u6cd5\u3002<\/li>\n<li>setView &#8211; \u7528\u4e8e\u5728\u8b66\u793a\u5bf9\u8bdd\u6846\u5185\u90e8\u6dfb\u52a0\u81ea\u5b9a\u4e49\u89c6\u56fe\u3002<\/li>\n<li>setList &#8211; \u7528\u4e8e\u8bbe\u7f6e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u5c06\u4ee5\u5217\u8868\u5f62\u5f0f\u663e\u793a\u3002<\/li>\n<li>setMultiChoiceList &#8211; \u540c\u6837\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u6570\u7ec4\uff0c\u4f46\u8fd9\u6b21\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u590d\u9009\u6846\u4ece\u5217\u8868\u4e2d\u9009\u62e9\u591a\u4e2a\u9879\u76ee\u3002<\/li>\n<li>setPositiveButtonIcon &#8211; \u5728\u6309\u94ae\u65c1\u8fb9\u8bbe\u7f6e\u56fe\u6807<\/li>\n<li>show() &#8211; \u7528\u4e8e\u663e\u793aAlertDialog<\/li>\n<li>setDismissListener &#8211; \u5728\u8fd9\u91cc\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u5f53\u8b66\u793a\u5bf9\u8bdd\u6846\u88ab\u5173\u95ed\u65f6\u89e6\u53d1\u7684\u903b\u8f91\u3002<\/li>\n<li>setShowListener &#8211; \u8bbe\u7f6e\u5f53\u8b66\u793a\u5bf9\u8bdd\u6846\u663e\u793a\u65f6\u89e6\u53d1\u7684\u903b\u8f91\u3002<\/li>\n<li>setCancelable &#8211; \u9700\u8981\u4e00\u4e2a\u5e03\u5c14\u503c\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u8b66\u793a\u5bf9\u8bdd\u6846\u5728\u6309\u94ae\u70b9\u51fb\u6216\u89e6\u6478\u5916\u90e8\u65f6\u90fd\u662f\u53ef\u53d6\u6d88\u7684\u3002\u5982\u679c\u6b64\u65b9\u6cd5\u8bbe\u7f6e\u4e3afalse\uff0c\u5219\u9700\u8981\u4f7f\u7528dialog.cancel()\u65b9\u6cd5\u663e\u5f0f\u53d6\u6d88\u5bf9\u8bdd\u6846\u3002<\/li>\n<\/ul>\n<h2>\u5f39\u51fa\u5bf9\u8bdd\u6846\u7684Kotlin\u4ee3\u7801<\/h2>\n<p>\u8981\u5728Android Studio\u9879\u76ee\u4e2d\u4f7f\u7528AlertDialog\uff0c\u8bf7\u5bfc\u5165\u4ee5\u4e0b\u7c7b\u3002<\/p>\n<pre class=\"post-pre\"><code>import android.support.v7.app.AlertDialog;\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u7684Kotlin\u4ee3\u7801\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u63d0\u793a\u5bf9\u8bdd\u6846\u3002<\/p>\n<pre class=\"post-pre\"><code>val builder = AlertDialog.Builder(this)\r\nbuilder.setTitle(\"Androidly Alert\")\r\nbuilder.setMessage(\"We have a message\")\r\n\/\/builder.setPositiveButton(\"OK\", DialogInterface.OnClickListener(function = x))\r\n\r\nbuilder.setPositiveButton(android.R.string.yes) { dialog, which ->\r\n    Toast.makeText(applicationContext,\r\n            android.R.string.yes, Toast.LENGTH_SHORT).show()\r\n}\r\n        \r\nbuilder.setNegativeButton(android.R.string.no) { dialog, which ->\r\n    Toast.makeText(applicationContext,\r\n            android.R.string.no, Toast.LENGTH_SHORT).show()\r\n}\r\n\r\nbuilder.setNeutralButton(\"Maybe\") { dialog, which ->\r\n    Toast.makeText(applicationContext,\r\n            \"Maybe\", Toast.LENGTH_SHORT).show()\r\n}\r\nbuilder.show()\r\n<\/code><\/pre>\n<p>\u5efa\u9020\u8005.show()\u5c06\u8b66\u62a5\u5bf9\u8bdd\u6846\u663e\u793a\u5728\u5c4f\u5e55\u4e0a\u3002\u5728setPositiveButton\u51fd\u6570\u5185\u90e8\uff0c\u6211\u4eec\u4f20\u9012\u4e86\u6309\u94ae\u6587\u672c\u4ee5\u53ca\u5728\u70b9\u51fb\u8be5\u6309\u94ae\u65f6\u89e6\u53d1\u7684Kotlin\u51fd\u6570\u3002\u8be5\u51fd\u6570\u662fDialogInterface.OnClickListener()\u63a5\u53e3\u7684\u4e00\u90e8\u5206\u3002\u51fd\u6570\u7c7b\u578b\u4e3a(DialogInterface, Int) -> Unit\u3002DialogInterface\u662f\u5bf9\u8bdd\u6846\u7684\u5b9e\u4f8b\uff0cInt\u662f\u6240\u70b9\u51fb\u6309\u94ae\u7684ID\u3002\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5c06\u6b64\u51fd\u6570\u8868\u793a\u4e3a\u9ad8\u9636Kotlin\u51fd\u6570\u3002\u5bf9\u8bdd\u6846\u548cwhich\u8868\u793a\u4e24\u4e2a\u53c2\u6570\u3002\u5982\u679c\u4e0d\u4f7f\u7528\u8fd9\u4e9b\u53c2\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012_\u6765\u6539\u8fdb\u51fd\u6570\u3002\u51fd\u6570\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"post-pre\"><code>builder.setPositiveButton(android.R.string.yes) { _,_ ->\r\n            Toast.makeText(applicationContext,\r\n                    android.R.string.yes, Toast.LENGTH_SHORT).show()\r\n        }\r\n<\/code><\/pre>\n<p>\u53e6\u5916\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7AlertDialog\u7c7b\u7684\u5b9e\u4f8b\u5c55\u793a\u5bf9\u8bdd\u6846\u3002\u5c06builder.show()\u66ff\u6362\u4e3a\uff1a<\/p>\n<pre class=\"post-pre\"><code>val alertDialog = builder.create()\r\nalertDialog.show()\r\n<\/code><\/pre>\n<p>\u4e0e\u5176\u4e3a\u6bcf\u4e2a\u6309\u94ae\u90fd\u5b9a\u4e49\u6309\u94ae\u70b9\u51fb\u76d1\u542c\u5668\u51fd\u6570\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5c06\u9ad8\u9636\u51fd\u6570\u5206\u522b\u5b9a\u4e49\u3002<\/p>\n<pre class=\"post-pre\"><code>val positiveButtonClick = { dialog: DialogInterface, which: Int ->\r\n    Toast.makeText(applicationContext,\r\n            android.R.string.no, Toast.LENGTH_SHORT).show()\r\n}\r\n<\/code><\/pre>\n<p>\u73b0\u5728\u5c06\u8fd9\u4e2a`val`\u5c5e\u6027\u8bbe\u7f6e\u5230`setPositiveButton`\u7684Kotlin\u51fd\u6570\u5185\u90e8\uff1a<\/p>\n<pre class=\"post-pre\"><code>builder.setPositiveButton(\"OK\", DialogInterface.OnClickListener(function = positiveButtonClick))\r\n\/\/or\r\nbuilder.setPositiveButton(android.R.string.yes, positiveButtonClick)\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648f2da4b2f92e6c7342d2\/23-0.png\" alt=\"android basic alert dialog kotlin code\" \/><\/div>\n<p>\u5982\u679c\u4f60\u4e0d\u6253\u7b97\u5728\u6309\u94ae\u70b9\u51fb\u65f6\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u4f60\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u7a7a\u503c\u4ee3\u66ff\u8be5\u51fd\u6570\u3002<\/p>\n<p>Kotlin\u4ecd\u6709\u66f4\u5927\u7684\u80fd\u529b\u6765\u63d0\u9ad8\u4ee5\u4e0a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<h2>Kotlin\u4ee3\u7801\u7684\u7b80\u5355\u8b66\u62a5\u5bf9\u8bdd\u6846<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528with\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u63d0\u9ad8Kotlin\u4ee3\u7801\u521b\u5efa\u8b66\u793a\u5bf9\u8bdd\u6846\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code>fun basicAlert(view: View){\r\n\r\n        val builder = AlertDialog.Builder(this)\r\n        \r\n        with(builder)\r\n        {\r\n            setTitle(\"Androidly Alert\")\r\n            setMessage(\"We have a message\")\r\n            setPositiveButton(\"OK\", DialogInterface.OnClickListener(function = positiveButtonClick))\r\n            setNegativeButton(android.R.string.no, negativeButtonClick)\r\n            setNeutralButton(\"Maybe\", neutralButtonClick)\r\n            show()    \r\n        }\r\n        \r\n        \r\n    }\r\n<\/code><\/pre>\n<p>\u5728\u4e0b\u4e00\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u6211\u4eec\u7684Android\u5e94\u7528\u7a0b\u5e8f\uff0c\u5728\u6211\u4eec\u7684AlertDialog\u4e2d\u5b9e\u73b0\u4ee5\u4e0b\u529f\u80fd\u3002<\/p>\n<ul class=\"post-ul\">\n<li>\u7b80\u5355\u8b66\u793a\u5bf9\u8bdd\u6846\uff08Simple Alert Dialog\uff09<\/li>\n<li>\u5e26\u56fe\u6807\u548c\u6309\u94ae\u81ea\u5b9a\u4e49\u7684\u8b66\u793a\u5bf9\u8bdd\u6846\uff08Alert Dialog With Icon and Button Customisation\uff09<\/li>\n<li>\u5e26\u5217\u8868\u7684\u8b66\u793a\u5bf9\u8bdd\u6846\uff08Alert Dialog With List\uff09<\/li>\n<li>\u5e26\u591a\u9009\u5217\u8868\u7684\u8b66\u793a\u5bf9\u8bdd\u6846\uff08Alert Dialog With MultiChoice List\uff09<\/li>\n<li>\u5e26\u6837\u5f0f\u7684\u8b66\u793a\u5bf9\u8bdd\u6846\uff08Alert Dialog With Style\uff09<\/li>\n<li>\u5e26\u81ea\u5b9a\u4e49\u6837\u5f0f\u7684\u8b66\u793a\u5bf9\u8bdd\u6846\uff08Alert Dialog With Custom Style\uff09<\/li>\n<li>\u5e26\u7f16\u8f91\u6846\u7684\u8b66\u793a\u5bf9\u8bdd\u6846\uff08Alert Dialog With EditText\uff09<\/li>\n<\/ul>\n<h2>Android Studio\u9879\u76ee\u7ed3\u6784<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648f2da4b2f92e6c7342d2\/32-0.png\" alt=\"Android\u57fa\u672c\u8b66\u793a\u5bf9\u8bdd\u6846\u9879\u76ee\u7ed3\u6784\" \/><\/div>\n<h3>1. XML\u5e03\u5c40\u4ee3\u7801<\/h3>\n<p>\u4e0b\u9762\u662factivity_main.xml\u5e03\u5c40\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>&lt;?xml version=\"1.0\" encoding=\"utf-8\"?&gt;\r\n&lt;LinearLayout xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"\r\n    xmlns:tools=\"http:\/\/schemas.android.com\/tools\"\r\n    android:layout_width=\"match_parent\"\r\n    android:layout_height=\"match_parent\"\r\n    android:gravity=\"center\"\r\n    android:orientation=\"vertical\"\r\n    tools:context=\".MainActivity\"&gt;\r\n\r\n    &lt;Button\r\n        android:id=\"@+id\/btnBasicAlert\"\r\n        android:layout_width=\"wrap_content\"\r\n        android:onClick=\"basicAlert\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:text=\"\u57fa\u672c\u8b66\u793a\u5bf9\u8bdd\u6846\" \/&gt;\r\n\r\n\r\n    &lt;Button\r\n        android:id=\"@+id\/btnAlertWithIconsAndCustomize\"\r\n        android:layout_width=\"wrap_content\"\r\n        android:onClick=\"withIconAndCustomise\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:text=\"\u5e26\u56fe\u6807\u548c\u81ea\u5b9a\u4e49\u9009\u9879\" \/&gt;\r\n\r\n    &lt;Button\r\n        android:id=\"@+id\/btnAlertWithItems\"\r\n        android:layout_width=\"wrap_content\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:onClick=\"withItems\"\r\n        android:text=\"\u5e26\u5217\u8868\u9879\" \/&gt;\r\n\r\n    &lt;Button\r\n        android:id=\"@+id\/btnAlertWithMultiChoiceList\"\r\n        android:layout_width=\"wrap_content\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:onClick=\"withMultiChoiceList\"\r\n        android:text=\"\u5e26\u591a\u9009\u5217\u8868\" \/&gt;\r\n\r\n    &lt;Button\r\n        android:id=\"@+id\/btnAlertWithStyle\"\r\n        android:layout_width=\"wrap_content\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:onClick=\"withStyle\"\r\n        android:text=\"\u5e26\u6837\u5f0f\" \/&gt;\r\n\r\n\r\n    &lt;Button\r\n        android:id=\"@+id\/btnAlertWithCustomStyle\"\r\n        android:layout_width=\"wrap_content\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:onClick=\"withCustomStyle\"\r\n        android:text=\"\u5e26\u81ea\u5b9a\u4e49\u6837\u5f0f\" \/&gt;\r\n\r\n    &lt;Button\r\n        android:id=\"@+id\/btnAlertWithButtonCentered\"\r\n        android:layout_width=\"wrap_content\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:onClick=\"withButtonCentered\"\r\n        android:text=\"\u6309\u94ae\u5c45\u4e2d\" \/&gt;\r\n\r\n    &lt;Button\r\n        android:id=\"@+id\/btnAlertWithEditText\"\r\n        android:layout_width=\"wrap_content\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:onClick=\"withEditText\"\r\n        android:text=\"\u5e26\u7f16\u8f91\u6587\u672c\" \/&gt;\r\n\r\n\r\n&lt;\/LinearLayout&gt;\r\n<\/code><\/pre>\n<p>\u5bf9\u4e8e\u6bcf\u4e2a\u6309\u94ae\uff0c\u6211\u4eec\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u4e00\u4e2aandroid:onClick\u5c5e\u6027\uff0c\u5176\u4e2d\u5305\u542b\u51fd\u6570\u540d\u79f0\u3002\u8fd9\u4e9bKotlin\u51fd\u6570\u5c06\u5728MainActivity.kt\u7c7b\u4e2d\u88ab\u89e6\u53d1\u3002\u6211\u4eec\u5c06\u9010\u4e00\u8ba8\u8bba\u5b83\u4eec\u3002<\/p>\n<h3>2. Kotlin\u4e3b\u6d3b\u52a8\u4ee3\u7801<\/h3>\n<p>\u6211\u4eec\u5df2\u7ecf\u5728\u4e0a\u9762\u521b\u5efa\u4e86\u7b2c\u4e00\u4e2a\u63d0\u793a\u5bf9\u8bdd\u6846\u3002\u73b0\u5728\u8ba9\u6211\u4eec\u770b\u770b\u4f7f\u7528\u5b83\u7684MainActivity.kt\u6587\u4ef6\u662f\u4ec0\u4e48\u6837\u5b50\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code>package net.androidly.androidlyalertdialog\r\n\r\nimport android.content.DialogInterface\r\nimport android.support.v7.app.AppCompatActivity\r\nimport android.os.Bundle\r\nimport android.support.v7.app.AlertDialog\r\nimport android.view.View\r\nimport android.widget.Toast\r\n\r\nclass MainActivity : AppCompatActivity() {\r\n\r\n    val positiveButtonClick = { dialog: DialogInterface, which: Int -&gt;\r\n        Toast.makeText(applicationContext,\r\n                android.R.string.yes, Toast.LENGTH_SHORT).show()\r\n    }\r\n    val negativeButtonClick = { dialog: DialogInterface, which: Int -&gt;\r\n        Toast.makeText(applicationContext,\r\n                android.R.string.no, Toast.LENGTH_SHORT).show()\r\n    }\r\n    val neutralButtonClick = { dialog: DialogInterface, which: Int -&gt;\r\n        Toast.makeText(applicationContext,\r\n                \"\u4e5f\u8bb8\", Toast.LENGTH_SHORT).show()\r\n    }\r\n\r\n    override fun onCreate(savedInstanceState: Bundle?) {\r\n        super.onCreate(savedInstanceState)\r\n        setContentView(R.layout.activity_main)\r\n    }\r\n\r\n    fun basicAlert(view: View){\r\n\r\n        val builder = AlertDialog.Builder(this)\r\n\r\n        with(builder)\r\n        {\r\n            setTitle(\"Androidly \u8b66\u793a\")\r\n            setMessage(\"\u6211\u4eec\u6709\u4e00\u6761\u6d88\u606f\")\r\n            setPositiveButton(\"OK\", DialogInterface.OnClickListener(function = positiveButtonClick))\r\n            setNegativeButton(android.R.string.no, negativeButtonClick)\r\n            setNeutralButton(\"\u4e5f\u8bb8\", neutralButtonClick)\r\n            show()\r\n        }\r\n\r\n\r\n    }\r\n}\r\n\r\n<\/code><\/pre>\n<h3>3. \u5e26\u6709\u56fe\u6807\u548c\u81ea\u5b9a\u4e49\u9009\u9879\u7684\u8b66\u793a\u5bf9\u8bdd\u6846<\/h3>\n<h3>3. \u5e26\u6709\u56fe\u6807\u548c\u6309\u94ae\u989c\u8272\u7684\u8b66\u793a\u5bf9\u8bdd\u6846<\/h3>\n<pre class=\"post-pre\"><code>val builder = AlertDialog.Builder(this)\r\n        with(builder) {\r\n            setTitle(\"\u56fe\u6807\u548c\u6309\u94ae\u989c\u8272\")\r\n            setMessage(\"\u6211\u4eec\u6709\u4e00\u6761\u6d88\u606f\")\r\n            setPositiveButton(\"\u786e\u5b9a\", null)\r\n            setNegativeButton(\"\u53d6\u6d88\", null)\r\n            setNeutralButton(\"\u4e2d\u6027\", null)\r\n            setPositiveButtonIcon(resources.getDrawable(android.R.drawable.ic_menu_call, theme))\r\n            setIcon(resources.getDrawable(android.R.drawable.ic_dialog_alert, theme))\r\n        }\r\n        val alertDialog = builder.create()\r\n        alertDialog.show()\r\n\r\n        val button = alertDialog.getButton(DialogInterface.BUTTON_POSITIVE)\r\n        with(button) {\r\n            setBackgroundColor(Color.BLACK)\r\n            setPadding(0, 0, 20, 0)\r\n            setTextColor(Color.WHITE)\r\n        }\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528getButton\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u7279\u5b9a\u7684\u5e38\u91cf\u6765\u68c0\u7d22\u4efb\u4f55\u6309\u94ae\u3002\u4e00\u65e6\u83b7\u53d6\u5230\u6309\u94ae\u5f15\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u50cf\u4e0a\u9762\u90a3\u6837\u5bf9\u5176\u8fdb\u884c\u81ea\u5b9a\u4e49\u8bbe\u7f6e\u3002<\/p>\n<h3>4. \u5e26\u6709\u9009\u9879\u7684\u63d0\u793a\u5bf9\u8bdd\u6846<\/h3>\n<pre class=\"post-pre\"><code>fun withItems(view: View) {\r\n\r\n        val items = arrayOf(\"\u7ea2\u8272\", \"\u6a59\u8272\", \"\u9ec4\u8272\", \"\u84dd\u8272\")\r\n        val builder = AlertDialog.Builder(this)\r\n        with(builder)\r\n        {\r\n            setTitle(\"\u9879\u76ee\u5217\u8868\")\r\n            setItems(items) { dialog, which ->\r\n                Toast.makeText(applicationContext, items[which] + \" \u88ab\u70b9\u51fb\u4e86\", Toast.LENGTH_SHORT).show()\r\n            }\r\n\r\n            setPositiveButton(\"\u786e\u5b9a\", positiveButtonClick)\r\n            show()\r\n        }\r\n    }\r\n<\/code><\/pre>\n<p>\u5728setItems\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u4f20\u9012\u4e86\u4e00\u4e2aKotlin\u6570\u7ec4\u3002which\u53c2\u6570\u8868\u793a\u88ab\u70b9\u51fb\u5217\u8868\u5143\u7d20\u7684\u7d22\u5f15\u4f4d\u7f6e\u3002<\/p>\n<h3>5. \u5e26\u6709\u591a\u9009\u5217\u8868\u7684\u8b66\u793a\u5bf9\u8bdd\u6846<\/h3>\n<pre class=\"post-pre\"><code>fun withMultiChoiceList(view: View) {\r\n\r\n        val items = arrayOf(\"\u5fae\u8f6f\", \"\u82f9\u679c\", \"\u4e9a\u9a6c\u900a\", \"\u8c37\u6b4c\")\r\n        val selectedList = ArrayList&lt;Int&gt;()\r\n        val builder = AlertDialog.Builder(this)\r\n\r\n        builder.setTitle(\"\u8fd9\u662f\u4e00\u4e2a\u5217\u8868\u9009\u62e9\u5bf9\u8bdd\u6846\")\r\n        builder.setMultiChoiceItems(items, null\r\n        ) { dialog, which, isChecked ->\r\n            if (isChecked) {\r\n                selectedList.add(which)\r\n            } else if (selectedList.contains(which)) {\r\n                selectedList.remove(Integer.valueOf(which))\r\n            }\r\n        }\r\n\r\n        builder.setPositiveButton(\"\u5b8c\u6210\") { dialogInterface, i ->\r\n            val selectedStrings = ArrayList&lt;String&gt;()\r\n\r\n            for (j in selectedList.indices) {\r\n                selectedStrings.add(items[selectedList[j]])\r\n            }\r\n\r\n            Toast.makeText(applicationContext, \"\u9009\u4e2d\u7684\u9879\u76ee\u6709: \" + Arrays.toString(selectedStrings.toTypedArray()), Toast.LENGTH_SHORT).show()\r\n        }\r\n\r\n        builder.show()\r\n\r\n    }\r\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5c06\u7528\u6237\u7684\u9009\u62e9\u4fdd\u5b58\u5728\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u5217\u8868\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u68c0\u7d22\u8fd9\u4e9b\u9009\u62e9\u4ee5\u5728Toast\u6d88\u606f\u4e2d\u663e\u793a\u3002<\/p>\n<h3>6. \u5177\u6709\u6837\u5f0f\u7684\u8b66\u544a\u5bf9\u8bdd\u6846<\/h3>\n<pre class=\"post-pre\"><code>fun withStyle(view: View) {\r\n\r\n        val builder = AlertDialog.Builder(ContextThemeWrapper(this, android.R.style.Holo_SegmentedButton))\r\n\r\n        with(builder)\r\n        {\r\n            setTitle(\"Androidly \u8b66\u544a\")\r\n            setMessage(\"\u6211\u4eec\u6709\u4e00\u6761\u6d88\u606f\")\r\n            setPositiveButton(\"\u786e\u5b9a\", DialogInterface.OnClickListener(function = positiveButtonClick))\r\n            setNegativeButton(android.R.string.no, negativeButtonClick)\r\n            setNeutralButton(\"\u53ef\u80fd\", neutralButtonClick)\r\n            show()\r\n        }\r\n    }\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4e0d\u4f7f\u7528ContextThemeWrapper\uff0c\u8b66\u544a\u5bf9\u8bdd\u6846\u53ef\u80fd\u4f1a\u4ee5\u9ed8\u8ba4\u6837\u5f0f\u663e\u793a\uff0c\u5360\u636e\u6574\u4e2a\u5c4f\u5e55\u5bbd\u5ea6\u3002<\/p>\n<h3>7. \u5e26\u6709\u81ea\u5b9a\u4e49\u6837\u5f0f\u7684\u8b66\u544a\u5bf9\u8bdd\u6846<\/h3>\n<p>\u5728styles.xml\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>&lt;style name=\"AlertDialogCustom\" parent=\"@android:style\/Theme.Material.Dialog\"&gt;\r\n        &lt;item name=\"android:textColor\"&gt;@android:color\/white&lt;\/item&gt;\r\n        &lt;item name=\"android:textStyle\"&gt;bold&lt;\/item&gt;\r\n        &lt;item name=\"android:headerDividersEnabled\"&gt;true&lt;\/item&gt;\r\n        &lt;item name=\"android:background\"&gt;@android:color\/holo_blue_dark&lt;\/item&gt;\r\n    &lt;\/style&gt;\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662fKotlin\u51fd\u6570\u7684\u4ee3\u7801\uff1a<\/p>\n<pre class=\"post-pre\"><code>fun withCustomStyle(view: View) {\r\n\r\n        val builder = AlertDialog.Builder(ContextThemeWrapper(this, R.style.AlertDialogCustom))\r\n\r\n        with(builder)\r\n        {\r\n            setTitle(\"Androidly \u8b66\u544a\")\r\n            setMessage(\"\u6211\u4eec\u6709\u4e00\u6761\u6d88\u606f\")\r\n            setPositiveButton(\"\u786e\u5b9a\", DialogInterface.OnClickListener(function = positiveButtonClick))\r\n            setNegativeButton(android.R.string.no, negativeButtonClick)\r\n            setNeutralButton(\"\u53ef\u80fd\", neutralButtonClick)\r\n            show()\r\n        }\r\n\r\n    }\r\n<\/code><\/pre>\n<h3>8. \u5e26\u6709\u5c45\u4e2d\u6309\u94ae\u7684\u8b66\u793a\u5bf9\u8bdd\u6846<\/h3>\n<pre class=\"post-pre\"><code>fun withButtonCentered(view: View) {\r\n\r\n        val alertDialog = AlertDialog.Builder(this).create()\r\n        alertDialog.setTitle(\"\u6807\u9898\")\r\n        alertDialog.setMessage(\"\u6d88\u606f\")\r\n\r\n        alertDialog.setButton(AlertDialog.BUTTON_POSITIVE, \"\u662f\"\r\n        ) { dialog, which -> dialog.dismiss() }\r\n\r\n        alertDialog.setButton(AlertDialog.BUTTON_NEGATIVE, \"\u5426\"\r\n        ) { dialog, which -> dialog.dismiss() }\r\n        alertDialog.show()\r\n\r\n        val btnPositive = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE)\r\n        val btnNegative = alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE)\r\n\r\n        val layoutParams = btnPositive.layoutParams as LinearLayout.LayoutParams\r\n        layoutParams.weight = 10f\r\n        btnPositive.layoutParams = layoutParams\r\n        btnNegative.layoutParams = layoutParams\r\n    }\r\n<\/code><\/pre>\n<h3>9. \u5e26\u6709\u7f16\u8f91\u6587\u672c\u7684\u8b66\u793a\u5bf9\u8bdd\u6846\u81ea\u5b9a\u4e49\u5e03\u5c40alert_dialog_with_edittext.xml\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/h3>\n<pre class=\"post-pre\"><code>&lt;?xml version=\"1.0\" encoding=\"utf-8\"?&gt;\r\n&lt;LinearLayout xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"\r\n    android:orientation=\"vertical\"\r\n    android:layout_width=\"match_parent\"\r\n    android:layout_height=\"match_parent\"&gt;\r\n\r\n    &lt;EditText\r\n        android:id=\"@+id\/editText\"\r\n        android:layout_width=\"match_parent\"\r\n        android:layout_height=\"wrap_content\"\r\n        android:hint=\"\u5728\u6b64\u5904\u8f93\u5165\u6587\u672c\"\/&gt;\r\n\r\n&lt;\/LinearLayout&gt;\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>fun withEditText(view: View) {\r\n        val builder = AlertDialog.Builder(this)\r\n        val inflater = layoutInflater\r\n        builder.setTitle(\"\u5e26\u7f16\u8f91\u6587\u672c\")\r\n        val dialogLayout = inflater.inflate(R.layout.alert_dialog_with_edittext, null)\r\n        val editText  = dialogLayout.findViewById&lt;EditText&gt;(R.id.editText)\r\n        builder.setView(dialogLayout)\r\n        builder.setPositiveButton(\"\u786e\u5b9a\") { dialogInterface, i -> Toast.makeText(applicationContext, \"\u7f16\u8f91\u6587\u672c\u5185\u5bb9\u4e3a\uff1a\" + editText.text.toString(), Toast.LENGTH_SHORT).show() }\r\n        builder.show()\r\n    }\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648f2da4b2f92e6c7342d2\/63-0.gif\" alt=\"Android\u8b66\u793a\u5bf9\u8bdd\u6846\u6f14\u793a\u8f93\u51fa\" \/>\u4e0b\u8f7dAndroid Studio\u9879\u76ee\uff1aAndroidlyAlertDialog\u3002<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300a\u4f7f\u7528Kotlin\u7f16\u5199\u7684Android\u8b66\u793a\u5bf9\u8bdd\u6846\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51714\u90e8\u5206\uff09\u3002 \u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u8b66\u62a5 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1270,900,897,1065,1586],"class_list":["post-539","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-android-ui","tag-android","tag-kotlin","tag-1065","tag-1586"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kotlin\u5b9e\u73b0Android\u8b66\u793a\u5bf9\u8bdd\u6846\uff1a\u5b8c\u6574\u6559\u7a0b\u4e0e\u4ee3\u7801\u793a\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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