{"id":64668,"date":"2026-01-23T22:04:46","date_gmt":"2026-01-23T14:04:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/64668.html"},"modified":"2026-01-23T22:04:46","modified_gmt":"2026-01-23T14:04:46","slug":"android-%e6%8e%a7%e4%bb%b6-textinputlayout-%e4%b8%8e-textinputedittext%e3%80%81appcompatedittext","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/64668.html","title":{"rendered":"Android \u63a7\u4ef6 - TextInputLayout \u4e0e TextInputEditText\u3001AppCompatEditText"},"content":{"rendered":"

TextInputLayout \u4e0e TextInputEditText<\/h3>\n

1\u3001\u57fa\u672c\u4ecb\u7ecd<\/h5>\n
  • TextInputLayout \u662f Material Design \u98ce\u683c\u7684\u6587\u672c\u8f93\u5165\u5bb9\u5668，\u63d0\u4f9b\u63d0\u4f9b\u6d6e\u52a8\u6807\u7b7e\u3001\u9519\u8bef\u63d0\u793a\u3001\u5b57\u7b26\u8ba1\u6570\u7b49\u529f\u80fd，\u7236\u7c7b\u662f LinearLayout<\/li>\n

    public<\/span> class<\/span> TextInputLayout<\/span> extends<\/span> LinearLayout<\/span> {<\/span><\/p>\n

    .<\/span>.<\/span>.<\/span><\/p>\n

    }<\/span><\/p>\n

  • TextInputEditText \u662f\u4e13\u95e8\u7528\u4e8e\u5728 TextInputLayout \u5185\u4f7f\u7528\u7684 EditText<\/li>\n

    public<\/span> class<\/span> TextInputEditText<\/span> extends<\/span> AppCompatEditText<\/span> {<\/span><\/p>\n

    .<\/span>.<\/span>.<\/span><\/p>\n

    }<\/span><\/p>\n

    2\u3001\u6f14\u793a<\/h5>\n
  • \u57fa\u672c\u4f7f\u7528<\/li>\n

    <<\/span>com.google.android.material.textfield.TextInputLayout<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/tiy_username"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span>
    \n android:<\/span>hint<\/span>=<\/span>"<\/span>\u7528\u6237\u540d"<\/span><\/span>
    \n app:<\/span>layout_constraintEnd_toEndOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintStart_toStartOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintTop_toTopOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>><\/span><\/span><\/p>\n

    <<\/span>com.google.android.material.textfield.TextInputEditText<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/tiet_username"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span> \/><\/span><\/span>
    \n<\/<\/span>com.google.android.material.textfield.TextInputLayout<\/span>><\/span><\/span><\/p>\n

  • \u5b57\u7b26\u8ba1\u6570<\/li>\n

    <<\/span>com.google.android.material.textfield.TextInputLayout<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/tiy_username"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span>
    \n android:<\/span>hint<\/span>=<\/span>"<\/span>\u7528\u6237\u540d"<\/span><\/span>
    \n app:<\/span>counterEnabled<\/span>=<\/span>"<\/span>true"<\/span><\/span>
    \n app:<\/span>counterMaxLength<\/span>=<\/span>"<\/span>20"<\/span><\/span>
    \n app:<\/span>layout_constraintEnd_toEndOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintStart_toStartOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintTop_toTopOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>><\/span><\/span><\/p>\n

    <<\/span>com.google.android.material.textfield.TextInputEditText<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/tiet_username"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span> \/><\/span><\/span>
    \n<\/<\/span>com.google.android.material.textfield.TextInputLayout<\/span>><\/span><\/span><\/p>\n

  • \u9519\u8bef\u63d0\u793a<\/li>\n

    <?xml version="1.0" encoding="utf-8"?><\/span>
    \n<<\/span>androidx.constraintlayout.widget.ConstraintLayout<\/span> xmlns:<\/span>android<\/span>=<\/span>"<\/span>http:\/\/schemas.android.com\/apk\/res\/android"<\/span><\/span>
    \n xmlns:<\/span>app<\/span>=<\/span>"<\/span>http:\/\/schemas.android.com\/apk\/res-auto"<\/span><\/span>
    \n xmlns:<\/span>tools<\/span>=<\/span>"<\/span>http:\/\/schemas.android.com\/tools"<\/span><\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/main"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>><\/span><\/span><\/p>\n

    <<\/span>com.google.android.material.textfield.TextInputLayout<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/tiy_username"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span>
    \n android:<\/span>hint<\/span>=<\/span>"<\/span>\u7528\u6237\u540d"<\/span><\/span>
    \n app:<\/span>counterEnabled<\/span>=<\/span>"<\/span>true"<\/span><\/span>
    \n app:<\/span>counterMaxLength<\/span>=<\/span>"<\/span>20"<\/span><\/span>
    \n app:<\/span>layout_constraintEnd_toEndOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintStart_toStartOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintTop_toTopOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>><\/span><\/span><\/p>\n

    <<\/span>com.google.android.material.textfield.TextInputEditText<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/tiet_username"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span> \/><\/span><\/span>
    \n <\/<\/span>com.google.android.material.textfield.TextInputLayout<\/span>><\/span><\/span><\/p>\n

    <<\/span>Button<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/btn_login"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span>
    \n android:<\/span>text<\/span>=<\/span>"<\/span>\u767b\u5f55"<\/span><\/span>
    \n app:<\/span>layout_constraintBottom_toBottomOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintEnd_toEndOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintStart_toStartOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span> \/><\/span><\/span>
    \n<\/<\/span>androidx.constraintlayout.widget.ConstraintLayout<\/span>><\/span><\/span><\/p>\n

    TextInputLayout<\/span> tiyUsername =<\/span> findViewById<\/span>(<\/span>R<\/span>.<\/span>id.<\/span>tiy_username)<\/span>;<\/span>
    \nTextInputEditText<\/span> tietUsername =<\/span> findViewById<\/span>(<\/span>R<\/span>.<\/span>id.<\/span>tiet_username)<\/span>;<\/span>
    \nButton<\/span> btnLogin =<\/span> findViewById<\/span>(<\/span>R<\/span>.<\/span>id.<\/span>btn_login)<\/span>;<\/span><\/p>\n

    btnLogin.<\/span>setOnClickListener<\/span>(<\/span>v -><\/span> {<\/span>
    \n String<\/span> username =<\/span> tietUsername.<\/span>getText<\/span>(<\/span>)<\/span>.<\/span>toString<\/span>(<\/span>)<\/span>.<\/span>trim<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>username.<\/span>isEmpty<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
    \n tiyUsername.<\/span>setError<\/span>(<\/span>"\u8bf7\u8f93\u5165\u7528\u6237\u540d"<\/span>)<\/span>;<\/span>
    \n return<\/span>;<\/span>
    \n }<\/span>
    \n if<\/span> (<\/span>username.<\/span>length<\/span>(<\/span>)<\/span> <<\/span> 6<\/span>)<\/span> {<\/span>
    \n tiyUsername.<\/span>setError<\/span>(<\/span>"\u7528\u6237\u540d\u957f\u5ea6\u4e0d\u80fd\u5c0f\u4e8e 6 \u4f4d"<\/span>)<\/span>;<\/span>
    \n return<\/span>;<\/span>
    \n }<\/span>
    \n tiyUsername.<\/span>setError<\/span>(<\/span>null<\/span>)<\/span>;<\/span>
    \n}<\/span>)<\/span>;<\/span><\/p>\n

  • \u8f93\u5165\u76d1\u542c<\/li>\n

    <<\/span>com.google.android.material.textfield.TextInputLayout<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/tiy_username"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span>
    \n android:<\/span>hint<\/span>=<\/span>"<\/span>\u7528\u6237\u540d"<\/span><\/span>
    \n app:<\/span>counterEnabled<\/span>=<\/span>"<\/span>true"<\/span><\/span>
    \n app:<\/span>counterMaxLength<\/span>=<\/span>"<\/span>20"<\/span><\/span>
    \n app:<\/span>layout_constraintEnd_toEndOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintStart_toStartOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>
    \n app:<\/span>layout_constraintTop_toTopOf<\/span>=<\/span>"<\/span>parent"<\/span><\/span>><\/span><\/span><\/p>\n

    <<\/span>com.google.android.material.textfield.TextInputEditText<\/span>
    \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/tiet_username"<\/span><\/span>
    \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
    \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span> \/><\/span><\/span>
    \n<\/<\/span>com.google.android.material.textfield.TextInputLayout<\/span>><\/span><\/span><\/p>\n

    TextInputLayout<\/span> tiyUsername =<\/span> findViewById<\/span>(<\/span>R<\/span>.<\/span>id.<\/span>tiy_username)<\/span>;<\/span>
    \nTextInputEditText<\/span> tietUsername =<\/span> (<\/span>TextInputEditText<\/span>)<\/span> tiyUsername.<\/span>getEditText<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

    tietUsername.<\/span>addTextChangedListener<\/span>(<\/span>new<\/span> TextWatcher<\/span>(<\/span>)<\/span> {<\/span><\/p>\n

    @Override<\/span>
    \n public<\/span> void<\/span> beforeTextChanged<\/span>(<\/span>CharSequence<\/span> charSequence,<\/span> int<\/span> i,<\/span> int<\/span> i1,<\/span> int<\/span> i2)<\/span> {<\/span>
    \n \/\/ \u6587\u672c\u53d1\u751f\u6539\u53d8\u524d\u7684\u5904\u7406<\/span>
    \n }<\/span><\/p>\n

    @Override<\/span>
    \n public<\/span> void<\/span> onTextChanged<\/span>(<\/span>CharSequence<\/span> charSequence,<\/span> int<\/span> i,<\/span> int<\/span> i1,<\/span> int<\/span> i2)<\/span> {<\/span>
    \n \/\/ \u6587\u672c\u53d1\u751f\u6539\u53d8\u65f6\u7684\u5904\u7406<\/span>
    \n }<\/span><\/p>\n

    @Override<\/span>
    \n public<\/span> void<\/span> afterTextChanged<\/span>(<\/span>Editable<\/span> editable)<\/span> {<\/span>
    \n \/\/ \u6587\u672c\u53d1\u751f\u6539\u53d8\u540e\u7684\u5904\u7406<\/span><\/p>\n

    String<\/span> username =<\/span> editable.<\/span>toString<\/span>(<\/span>)<\/span>.<\/span>trim<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>username.<\/span>isEmpty<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
    \n tiyUsername.<\/span>setError<\/span>(<\/span>"\u8bf7\u8f93\u5165\u7528\u6237\u540d"<\/span>)<\/span>;<\/span>
    \n return<\/span>;<\/span>
    \n }<\/span>
    \n if<\/span> (<\/span>username.<\/span>length<\/span>(<\/span>)<\/span> <<\/span> 6<\/span>)<\/span> {<\/span>
    \n tiyUsername.<\/span>setError<\/span>(<\/span>"\u7528\u6237\u540d\u957f\u5ea6\u4e0d\u80fd\u5c0f\u4e8e 6 \u4f4d"<\/span>)<\/span>;<\/span>
    \n return<\/span>;<\/span>
    \n }<\/span>
    \n if<\/span> (<\/span>username.<\/span>length<\/span>(<\/span>)<\/span> ><\/span> 20<\/span>)<\/span> {<\/span>
    \n tiyUsername.<\/span>setError<\/span>(<\/span>"\u7528\u6237\u540d\u957f\u5ea6\u4e0d\u80fd\u5927\u4e8e 20 \u4f4d"<\/span>)<\/span>;<\/span>
    \n return<\/span>;<\/span>
    \n }<\/span>
    \n tiyUsername.<\/span>setError<\/span>(<\/span>null<\/span>)<\/span>;<\/span>
    \n }<\/span>
    \n}<\/span>)<\/span>;<\/span><\/p>\n

    \n

    AppCompatEditText<\/h3>\n

    1\u3001\u57fa\u672c\u4ecb\u7ecd<\/h5>\n
      \n
    • AppCompatEditText \u7528\u4e8e\u521b\u5efa\u517c\u5bb9\u65e7\u7248\u672c\u7684 EditText，\u5b83\u7ee7\u627f\u81ea EditText，\u5e76\u63d0\u4f9b\u4e86\u4e00\u4e9b\u989d\u5916\u7684\u529f\u80fd\u548c\u6539\u8fdb<\/li>\n<\/ul>\n

      public<\/span> class<\/span> AppCompatEditText<\/span> extends<\/span> EditText<\/span> implements<\/span> TintableBackgroundView<\/span>,<\/span>
      \n OnReceiveContentViewBehavior<\/span>,<\/span> EmojiCompatConfigurationView<\/span>,<\/span> TintableCompoundDrawablesView<\/span> {<\/span><\/p>\n

      .<\/span>.<\/span>.<\/span><\/p>\n

      }<\/span><\/p>\n

      2\u3001\u6f14\u793a<\/h5>\n

      <<\/span>androidx.appcompat.widget.AppCompatEditText<\/span>
      \n android:<\/span>id<\/span>=<\/span>"<\/span>@+id\/acet_password"<\/span><\/span>
      \n android:<\/span>layout_width<\/span>=<\/span>"<\/span>match_parent"<\/span><\/span>
      \n android:<\/span>layout_height<\/span>=<\/span>"<\/span>wrap_content"<\/span><\/span>
      \n android:<\/span>hint<\/span>=<\/span>"<\/span>\u5bc6\u7801"<\/span><\/span>
      \n android:<\/span>inputType<\/span>=<\/span>"<\/span>textPassword"<\/span><\/span> \/><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

      TextInputLayout \u4e0e TextInputEditText
      \n1\u3001\u57fa\u672c\u4ecb\u7ecd
      \nTextInputLayout \u662f Material Design \u98ce\u683c\u7684\u6587\u672c\u8f93\u5165\u5bb9\u5668，\u63d0\u4f9b\u63d0\u4f9b\u6d6e\u52a8\u6807\u7b7e\u3001\u9519\u8bef\u63d0\u793a\u3001\u5b57\u7b26\u8ba1\u6570\u7b49\u529f\u80fd，\u7236\u7c7b\u662f LinearLayout
      \npublic class TextInputLayout extends LinearLayout {…}TextInputEditText \u662f\u4e13\u95e8\u7528\u4e8e\u5728 TextInputLayout \u5185<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[6841,84,5754,1220,99,374],"topic":[],"class_list":["post-64668","post","type-post","status-publish","format-standard","hentry","category-server","tag-android-runtime","tag-android","tag-android-jetpack","tag-android-studio","tag-java","tag-java-ee"],"yoast_head":"\nAndroid \u63a7\u4ef6 - TextInputLayout \u4e0e TextInputEditText\u3001AppCompatEditText - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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:\/\/www.wsisp.com\/helps\/64668.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Android \u63a7\u4ef6 - TextInputLayout \u4e0e TextInputEditText\u3001AppCompatEditText - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"TextInputLayout \u4e0e TextInputEditText 1\u3001\u57fa\u672c\u4ecb\u7ecd TextInputLayout \u662f Material Design \u98ce\u683c\u7684\u6587\u672c\u8f93\u5165\u5bb9\u5668，\u63d0\u4f9b\u63d0\u4f9b\u6d6e\u52a8\u6807\u7b7e\u3001\u9519\u8bef\u63d0\u793a\u3001\u5b57\u7b26\u8ba1\u6570\u7b49\u529f\u80fd，\u7236\u7c7b\u662f LinearLayout public class TextInputLayout extends LinearLayout {...}TextInputEditText \u662f\u4e13\u95e8\u7528\u4e8e\u5728 TextInputLayout \u5185\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/64668.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-23T14:04:46+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/64668.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/64668.html\",\"name\":\"Android \u63a7\u4ef6 - 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