refactor(libappbase+appbase): 提取SMTPConfigView控件并添加异常邮件发送

libappbase:
- 新增SMTPConfigView自定义控件，封装SMTP配置输入/保存/测试发送
- SMTPUtils添加支持自定义host/port的重载方法，sendMail参数化

appbase:
- APPExcetionMailSettingsActivity改用SMTPConfigView，删除全部旧控件
- App.onCreate catch块添加sendExceptionMail()，子线程发送异常堆栈邮件

appbase/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Tue Jul 21 17:05:50 HKT 2026
+#Tue Jul 21 17:33:50 HKT 2026
 stageCount=4
 libraryProject=libappbase
 baseVersion=15.21
 publishVersion=15.21.3
-buildCount=6
+buildCount=9
 baseBetaVersion=15.21.4

appbase/src/main/java/cc/winboll/studio/appbase/App.java

@@ -1,9 +1,13 @@
 package cc.winboll.studio.appbase;
 
+import android.content.SharedPreferences;
+
 import cc.winboll.studio.libappbase.CrashActivity;
 import cc.winboll.studio.libappbase.GlobalApplication;
+import cc.winboll.studio.libappbase.LogUtils;
 import cc.winboll.studio.libappbase.ToastUtils;
 import cc.winboll.studio.libappbase.utils.CrashHandleNotifyUtils;
+import cc.winboll.studio.libappbase.utils.SMTPUtils;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 
@@ -18,6 +22,9 @@ public class App extends GlobalApplication {
     /** 当前应用类的日志 TAG（用于调试输出，标识日志来源） */
     public static final String TAG = "App";
 
+    /** SMTP配置 SharedPreferences 名称 */
+    private static final String PREF_NAME = "smtp_config";
+
     /**
      * 应用创建时回调（全局初始化入口）
      * 在应用进程启动时执行，仅调用一次，用于初始化全局工具类、第三方库等
@@ -41,9 +48,62 @@ public class App extends GlobalApplication {
                 stackTraceStr,
                 CrashActivity.class
             );
+            sendExceptionMail(stackTraceStr);
         }
     }
 
+    /**
+     * 发送异常报告邮件
+     * 读取SMTP配置，若配置完整则在子线程发送异常堆栈邮件
+     * @param stackTraceStr 异常堆栈信息
+     */
+    private void sendExceptionMail(final String stackTraceStr) {
+        SharedPreferences sp = getSharedPreferences(PREF_NAME, MODE_PRIVATE);
+        final String host = sp.getString("smtp_server", "");
+        final String portStr = sp.getString("smtp_port", "");
+        final String sender = sp.getString("sender_email", "");
+        final String auth = sp.getString("auth_code", "");
+        final String recipient = sp.getString("recipient_email", "");
+
+        if (host.isEmpty() || portStr.isEmpty() || sender.isEmpty()
+                || auth.isEmpty() || recipient.isEmpty()) {
+            LogUtils.d(TAG, "sendExceptionMail skipped, SMTP config incomplete");
+            return;
+        }
+
+        final int port;
+        try {
+            port = Integer.parseInt(portStr);
+        } catch (NumberFormatException e) {
+            LogUtils.e(TAG, "sendExceptionMail failed, port format error: " + portStr);
+            return;
+        }
+
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                String deviceInfo = "\n\n--- Device Info ---\n"
+                        + "Package: " + getPackageName() + "\n"
+                        + "Time: " + System.currentTimeMillis() + "\n";
+
+                boolean success = SMTPUtils.sendTextMail(
+                        recipient,
+                        "APPBase 异常报告",
+                        stackTraceStr + deviceInfo,
+                        sender,
+                        auth,
+                        host,
+                        port);
+
+                if (success) {
+                    LogUtils.d(TAG, "sendExceptionMail success");
+                } else {
+                    LogUtils.e(TAG, "sendExceptionMail failed");
+                }
+            }
+        }).start();
+    }
+
     /**
      * 应用终止时回调（资源释放入口）
      * 仅在模拟环境（如 Android Studio 模拟器）中可靠触发，真机上可能因系统回收进程不执行
@@ -56,4 +116,3 @@ public class App extends GlobalApplication {
         ToastUtils.release();
     }
 }
-

appbase/src/main/java/cc/winboll/studio/appbase/develop/APPExcetionMailSettingsActivity.java

@@ -1,162 +1,27 @@
 package cc.winboll.studio.appbase.develop;
 
 import android.app.Activity;
-import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.os.Handler;
-import android.os.Looper;
-import android.view.View;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.Toast;
 import cc.winboll.studio.appbase.R;
-import cc.winboll.studio.libappbase.LogUtils;
-import cc.winboll.studio.libappbase.utils.SMTPUtils;
+import cc.winboll.studio.libappbase.widget.SMTPConfigView;
 
 /**
  * @Author 豆包&BigPickle&MiMo&ZhanGSKen<zhangsken@qq.com>
  * @Date 2026/07/21 12:44
  * @Describe 应用异常信息邮件接收账号设置
- * 配置SMTP服务器参数，用于通过邮件发送异常报告
+ * 使用SMTPConfigView控件配置SMTP服务器参数
  */
 public class APPExcetionMailSettingsActivity extends Activity {
 
     public static final String TAG = "APPExcetionMailSettingsActivity";
 
-    private static final String PREF_NAME = "smtp_config";
-    private static final String KEY_SMTP_SERVER = "smtp_server";
-    private static final String KEY_SMTP_PORT = "smtp_port";
-    private static final String KEY_SENDER_EMAIL = "sender_email";
-    private static final String KEY_AUTH_CODE = "auth_code";
-    private static final String KEY_RECIPIENT_EMAIL = "recipient_email";
-
-    private EditText mEtSmtpServer;
-    private EditText mEtSmtpPort;
-    private EditText mEtSenderEmail;
-    private EditText mEtAuthCode;
-    private EditText mEtRecipientEmail;
+    private SMTPConfigView mSMTPConfigView;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_appexcetionmailsettings);
 
-        mEtSmtpServer = (EditText) findViewById(R.id.et_smtp_server);
-        mEtSmtpPort = (EditText) findViewById(R.id.et_smtp_port);
-        mEtSenderEmail = (EditText) findViewById(R.id.et_sender_email);
-        mEtAuthCode = (EditText) findViewById(R.id.et_auth_code);
-        mEtRecipientEmail = (EditText) findViewById(R.id.et_recipient_email);
-
-        loadConfig();
-
-        Button btnSave = (Button) findViewById(R.id.btn_save);
-        btnSave.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                saveConfig();
-            }
-        });
-
-        Button btnTest = (Button) findViewById(R.id.btn_test);
-        btnTest.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                testSendMail();
-            }
-        });
-    }
-
-    private void loadConfig() {
-        SharedPreferences sp = getSharedPreferences(PREF_NAME, MODE_PRIVATE);
-        String server = sp.getString(KEY_SMTP_SERVER, "smtp.qq.com");
-        String port = sp.getString(KEY_SMTP_PORT, "465");
-        String sender = sp.getString(KEY_SENDER_EMAIL, "");
-        String auth = sp.getString(KEY_AUTH_CODE, "");
-        String recipient = sp.getString(KEY_RECIPIENT_EMAIL, "");
-
-        mEtSmtpServer.setText(server);
-        mEtSmtpPort.setText(port);
-        mEtSenderEmail.setText(sender);
-        mEtAuthCode.setText(auth);
-        mEtRecipientEmail.setText(recipient);
-    }
-
-    private void saveConfig() {
-        String server = mEtSmtpServer.getText().toString().trim();
-        String port = mEtSmtpPort.getText().toString().trim();
-        String sender = mEtSenderEmail.getText().toString().trim();
-        String auth = mEtAuthCode.getText().toString().trim();
-        String recipient = mEtRecipientEmail.getText().toString().trim();
-
-        SharedPreferences.Editor editor = getSharedPreferences(PREF_NAME, MODE_PRIVATE).edit();
-        editor.putString(KEY_SMTP_SERVER, server);
-        editor.putString(KEY_SMTP_PORT, port);
-        editor.putString(KEY_SENDER_EMAIL, sender);
-        editor.putString(KEY_AUTH_CODE, auth);
-        editor.putString(KEY_RECIPIENT_EMAIL, recipient);
-        editor.apply();
-
-        Toast.makeText(this, "设置已保存", Toast.LENGTH_SHORT).show();
-        LogUtils.d(TAG, "saveConfig success, server=" + server + ", port=" + port + ", sender=" + sender);
-    }
-
-    private void testSendMail() {
-        String server = mEtSmtpServer.getText().toString().trim();
-        String portStr = mEtSmtpPort.getText().toString().trim();
-        String sender = mEtSenderEmail.getText().toString().trim();
-        String auth = mEtAuthCode.getText().toString().trim();
-        String recipient = mEtRecipientEmail.getText().toString().trim();
-
-        if (server.isEmpty()) {
-            Toast.makeText(this, "请输入SMTP服务器地址", Toast.LENGTH_SHORT).show();
-            return;
-        }
-        if (portStr.isEmpty()) {
-            Toast.makeText(this, "请输入SMTP端口", Toast.LENGTH_SHORT).show();
-            return;
-        }
-        if (sender.isEmpty()) {
-            Toast.makeText(this, "请输入发件人邮箱", Toast.LENGTH_SHORT).show();
-            return;
-        }
-        if (auth.isEmpty()) {
-            Toast.makeText(this, "请输入邮箱授权码", Toast.LENGTH_SHORT).show();
-            return;
-        }
-        if (recipient.isEmpty()) {
-            Toast.makeText(this, "请输入收件人邮箱", Toast.LENGTH_SHORT).show();
-            return;
-        }
-
-        Toast.makeText(this, "正在发送测试邮件...", Toast.LENGTH_SHORT).show();
-
-        final String finalRecipient = recipient;
-        final String finalSender = sender;
-        final String finalAuth = auth;
-
-        new Thread(new Runnable() {
-            @Override
-            public void run() {
-                final boolean success = SMTPUtils.sendTextMail(
-                        finalRecipient,
-                        "APPBase 测试邮件",
-                        "这是一封来自APPBase的测试邮件。\n\n发送时间: " + System.currentTimeMillis(),
-                        finalSender,
-                        finalAuth);
-
-                new Handler(Looper.getMainLooper()).post(new Runnable() {
-                    @Override
-                    public void run() {
-                        if (success) {
-                            Toast.makeText(APPExcetionMailSettingsActivity.this,
-                                    "测试邮件发送成功", Toast.LENGTH_SHORT).show();
-                        } else {
-                            Toast.makeText(APPExcetionMailSettingsActivity.this,
-                                    "测试邮件发送失败，请检查设置", Toast.LENGTH_SHORT).show();
-                        }
-                    }
-                });
-            }
-        }).start();
+        mSMTPConfigView = (SMTPConfigView) findViewById(R.id.smtp_config_view);
     }
 }

appbase/src/main/res/layout/activity_appexcetionmailsettings.xml

@@ -3,148 +3,11 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="#FAFAFA"
-    android:padding="16dp">
+    android:background="#FAFAFA">
 
-    <LinearLayout
+    <cc.winboll.studio.libappbase.widget.SMTPConfigView
+        android:id="@+id/smtp_config_view"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical">
+        android:layout_height="wrap_content"/>
 
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="SMTP 邮件发送设置"
-            android:textSize="18sp"
-            android:textStyle="bold"
-            android:textColor="#333333"
-            android:layout_marginBottom="16dp"/>
-
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="SMTP 服务器"
-            android:textSize="13sp"
-            android:textColor="#666666"
-            android:layout_marginBottom="4dp"/>
-
-        <EditText
-            android:id="@+id/et_smtp_server"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="textUri"
-            android:hint="smtp.qq.com"
-            android:textSize="15sp"
-            android:textColor="#000000"
-            android:textColorHint="#999999"
-            android:background="#FFFFFF"
-            android:padding="12dp"
-            android:layout_marginBottom="12dp"/>
-
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="SMTP 端口"
-            android:textSize="13sp"
-            android:textColor="#666666"
-            android:layout_marginBottom="4dp"/>
-
-        <EditText
-            android:id="@+id/et_smtp_port"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="number"
-            android:hint="465"
-            android:textSize="15sp"
-            android:textColor="#000000"
-            android:textColorHint="#999999"
-            android:background="#FFFFFF"
-            android:padding="12dp"
-            android:layout_marginBottom="12dp"/>
-
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="发件人邮箱（QQ邮箱地址）"
-            android:textSize="13sp"
-            android:textColor="#666666"
-            android:layout_marginBottom="4dp"/>
-
-        <EditText
-            android:id="@+id/et_sender_email"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="textEmailAddress"
-            android:hint="123456@qq.com"
-            android:textSize="15sp"
-            android:textColor="#000000"
-            android:textColorHint="#999999"
-            android:background="#FFFFFF"
-            android:padding="12dp"
-            android:layout_marginBottom="12dp"/>
-
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="邮箱授权码（非QQ密码，在QQ邮箱设置中获取）"
-            android:textSize="13sp"
-            android:textColor="#666666"
-            android:layout_marginBottom="4dp"/>
-
-        <EditText
-            android:id="@+id/et_auth_code"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="textPassword"
-            android:hint="请输入授权码"
-            android:textSize="15sp"
-            android:textColor="#000000"
-            android:textColorHint="#999999"
-            android:background="#FFFFFF"
-            android:padding="12dp"
-            android:layout_marginBottom="12dp"/>
-
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="收件人邮箱"
-            android:textSize="13sp"
-            android:textColor="#666666"
-            android:layout_marginBottom="4dp"/>
-
-        <EditText
-            android:id="@+id/et_recipient_email"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="textEmailAddress"
-            android:hint="123456@qq.com"
-            android:textSize="15sp"
-            android:textColor="#000000"
-            android:textColorHint="#999999"
-            android:background="#FFFFFF"
-            android:padding="12dp"
-            android:layout_marginBottom="24dp"/>
-
-        <Button
-            android:id="@+id/btn_save"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="保存设置"
-            android:textSize="16sp"
-            android:textColor="#FFFFFF"
-            android:background="#007AFF"
-            android:padding="14dp"
-            android:layout_marginBottom="12dp"/>
-
-        <Button
-            android:id="@+id/btn_test"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="发送测试邮件"
-            android:textSize="16sp"
-            android:textColor="#007AFF"
-            android:background="#FFFFFF"
-            android:padding="14dp"/>
-
-    </LinearLayout>
 </ScrollView>

libappbase/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Tue Jul 21 17:05:50 HKT 2026
+#Tue Jul 21 17:33:50 HKT 2026
 stageCount=4
 libraryProject=libappbase
 baseVersion=15.21
 publishVersion=15.21.3
-buildCount=6
+buildCount=9
 baseBetaVersion=15.21.4

libappbase/src/main/java/cc/winboll/studio/libappbase/utils/SMTPUtils.java

@@ -47,7 +47,30 @@ public final class SMTPUtils {
             final String body,
             final String from,
             final String authCode) {
-        return sendMail(to, subject, body, from, authCode, false);
+        return sendMail(to, subject, body, from, authCode, false,
+                DEFAULT_SMTP_HOST, DEFAULT_SMTP_PORT);
+    }
+
+    /**
+     * 发送纯文本邮件（自定义SMTP服务器）
+     * @param to 收件人邮箱地址
+     * @param subject 邮件主题
+     * @param body 邮件正文（纯文本）
+     * @param from 发件人邮箱地址
+     * @param authCode 邮箱授权码
+     * @param host SMTP服务器地址
+     * @param port SMTP端口
+     * @return true=发送成功，false=发送失败
+     */
+    public static boolean sendTextMail(
+            final String to,
+            final String subject,
+            final String body,
+            final String from,
+            final String authCode,
+            final String host,
+            final int port) {
+        return sendMail(to, subject, body, from, authCode, false, host, port);
     }
 
     /**
@@ -65,7 +88,30 @@ public final class SMTPUtils {
             final String body,
             final String from,
             final String authCode) {
-        return sendMail(to, subject, body, from, authCode, true);
+        return sendMail(to, subject, body, from, authCode, true,
+                DEFAULT_SMTP_HOST, DEFAULT_SMTP_PORT);
+    }
+
+    /**
+     * 发送HTML邮件（自定义SMTP服务器）
+     * @param to 收件人邮箱地址
+     * @param subject 邮件主题
+     * @param body 邮件正文（HTML格式）
+     * @param from 发件人邮箱地址
+     * @param authCode 邮箱授权码
+     * @param host SMTP服务器地址
+     * @param port SMTP端口
+     * @return true=发送成功，false=发送失败
+     */
+    public static boolean sendHtmlMail(
+            final String to,
+            final String subject,
+            final String body,
+            final String from,
+            final String authCode,
+            final String host,
+            final int port) {
+        return sendMail(to, subject, body, from, authCode, true, host, port);
     }
 
     /**
@@ -84,9 +130,12 @@ public final class SMTPUtils {
             final String body,
             final String from,
             final String authCode,
-            final boolean isHtml) {
+            final boolean isHtml,
+            final String host,
+            final int port) {
 
-        LogUtils.d(TAG, "sendMail invoke, to=" + to + ", subject=" + subject + ", isHtml=" + isHtml);
+        LogUtils.d(TAG, "sendMail invoke, to=" + to + ", subject=" + subject
+                + ", isHtml=" + isHtml + ", host=" + host + ":" + port);
 
         // 参数校验
         if (to == null || to.isEmpty()) {
@@ -108,9 +157,9 @@ public final class SMTPUtils {
 
         try {
             // 1. 创建SSL连接
-            LogUtils.d(TAG, " connecting to " + DEFAULT_SMTP_HOST + ":" + DEFAULT_SMTP_PORT);
+            LogUtils.d(TAG, " connecting to " + host + ":" + port);
             SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault();
-            socket = factory.createSocket(DEFAULT_SMTP_HOST, DEFAULT_SMTP_PORT);
+            socket = factory.createSocket(host, port);
             socket.setSoTimeout(10000);
 
             reader = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8"));

libappbase/src/main/java/cc/winboll/studio/libappbase/widget/SMTPConfigView.java

@@ -0,0 +1,299 @@
+package cc.winboll.studio.libappbase.widget;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Handler;
+import android.os.Looper;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.Toast;
+
+import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.libappbase.utils.SMTPUtils;
+
+/**
+ * @Author 豆包&BigPickle&MiMo&ZhanGSKen<zhangsken@qq.com>
+ * @CreateDate 2026/07/21
+ * @LastEditDate 2026/07/21
+ * @Describe SMTP邮件配置自定义控件
+ * 封装SMTP服务器参数的输入、保存、测试发送功能
+ * 可在任意Activity中直接嵌入使用
+ */
+public class SMTPConfigView extends LinearLayout {
+
+    private static final String TAG = "SMTPConfigView";
+
+    private static final String DEFAULT_PREF_NAME = "smtp_config";
+    private static final String KEY_SMTP_SERVER = "smtp_server";
+    private static final String KEY_SMTP_PORT = "smtp_port";
+    private static final String KEY_SENDER_EMAIL = "sender_email";
+    private static final String KEY_AUTH_CODE = "auth_code";
+    private static final String KEY_RECIPIENT_EMAIL = "recipient_email";
+
+    private EditText mEtSmtpServer;
+    private EditText mEtSmtpPort;
+    private EditText mEtSenderEmail;
+    private EditText mEtAuthCode;
+    private EditText mEtRecipientEmail;
+
+    private String mPrefName = DEFAULT_PREF_NAME;
+
+    private OnTestSendListener mTestSendListener;
+
+    public interface OnTestSendListener {
+        void onTestSendStart();
+        void onTestSendResult(boolean success);
+    }
+
+    public SMTPConfigView(Context context) {
+        super(context);
+        init(context);
+    }
+
+    public SMTPConfigView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context);
+    }
+
+    public SMTPConfigView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context);
+    }
+
+    public void setPrefName(String prefName) {
+        mPrefName = prefName;
+    }
+
+    public void setOnTestSendListener(OnTestSendListener listener) {
+        mTestSendListener = listener;
+    }
+
+    private void init(Context context) {
+        setOrientation(VERTICAL);
+        setLayoutParams(new LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT));
+
+        int padH = dp2px(context, 16);
+        int padV = dp2px(context, 8);
+        setPadding(padH, padV, padH, padV);
+
+        mEtSmtpServer = createEditText(context, "smtp.qq.com", "textUri");
+        mEtSmtpPort = createEditText(context, "465", "number");
+        mEtSenderEmail = createEditText(context, "123456@qq.com", "textEmailAddress");
+        mEtAuthCode = createEditText(context, "请输入授权码", "textPassword");
+        mEtRecipientEmail = createEditText(context, "123456@qq.com", "textEmailAddress");
+
+        addField(context, "SMTP 服务器", mEtSmtpServer);
+        addField(context, "SMTP 端口", mEtSmtpPort);
+        addField(context, "发件人邮箱（QQ邮箱地址）", mEtSenderEmail);
+        addField(context, "邮箱授权码（非QQ密码，在QQ邮箱设置中获取）", mEtAuthCode);
+        addField(context, "收件人邮箱", mEtRecipientEmail);
+
+        Button btnSave = createButton(context, "保存设置", "#007AFF", "#FFFFFF");
+        addView(btnSave);
+        addVerticalSpacing(context, 12);
+
+        Button btnTest = createButton(context, "发送测试邮件", "#FFFFFF", "#007AFF");
+        addView(btnTest);
+        addVerticalSpacing(context, 12);
+
+        btnSave.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                saveConfig();
+            }
+        });
+
+        btnTest.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                testSendMail();
+            }
+        });
+
+        loadConfig();
+    }
+
+    private void addField(Context context, String label, EditText editText) {
+        android.widget.TextView tv = new android.widget.TextView(context);
+        tv.setText(label);
+        tv.setTextSize(13);
+        tv.setTextColor(0xFF666666);
+        LayoutParams tvLp = new LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT);
+        tvLp.bottomMargin = dp2px(context, 4);
+        addView(tv, tvLp);
+
+        LayoutParams etLp = new LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT);
+        etLp.bottomMargin = dp2px(context, 12);
+        addView(editText, etLp);
+    }
+
+    private EditText createEditText(Context context, String hint, String inputType) {
+        EditText et = new EditText(context);
+        et.setHint(hint);
+        et.setTextSize(15);
+        et.setTextColor(0xFF000000);
+        et.setHintTextColor(0xFF999999);
+        et.setBackgroundColor(0xFFFFFFFF);
+        int pad = dp2px(context, 12);
+        et.setPadding(pad, pad, pad, pad);
+        et.setInputType(getInputType(inputType));
+        return et;
+    }
+
+    private int getInputType(String type) {
+        if ("number".equals(type)) return android.text.InputType.TYPE_CLASS_NUMBER;
+        if ("textUri".equals(type)) return android.text.InputType.TYPE_CLASS_TEXT
+                | android.text.InputType.TYPE_TEXT_VARIATION_URI;
+        if ("textEmailAddress".equals(type)) return android.text.InputType.TYPE_CLASS_TEXT
+                | android.text.InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
+        if ("textPassword".equals(type)) return android.text.InputType.TYPE_CLASS_TEXT
+                | android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD;
+        return android.text.InputType.TYPE_CLASS_TEXT;
+    }
+
+    private Button createButton(Context context, String text, String bgColor, String textColor) {
+        Button btn = new Button(context);
+        btn.setText(text);
+        btn.setTextSize(16);
+        btn.setTextColor(android.graphics.Color.parseColor(textColor));
+        btn.setBackgroundColor(android.graphics.Color.parseColor(bgColor));
+        int pad = dp2px(context, 14);
+        btn.setPadding(pad, pad, pad, pad);
+        return btn;
+    }
+
+    private void addVerticalSpacing(Context context, int dp) {
+        View spacer = new View(context);
+        LayoutParams lp = new LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT, dp2px(context, dp));
+        addView(spacer, lp);
+    }
+
+    private int dp2px(Context context, int dp) {
+        float density = context.getResources().getDisplayMetrics().density;
+        return (int) (dp * density + 0.5f);
+    }
+
+    public void loadConfig() {
+        SharedPreferences sp = getContext().getSharedPreferences(mPrefName, Context.MODE_PRIVATE);
+        mEtSmtpServer.setText(sp.getString(KEY_SMTP_SERVER, "smtp.qq.com"));
+        mEtSmtpPort.setText(sp.getString(KEY_SMTP_PORT, "465"));
+        mEtSenderEmail.setText(sp.getString(KEY_SENDER_EMAIL, ""));
+        mEtAuthCode.setText(sp.getString(KEY_AUTH_CODE, ""));
+        mEtRecipientEmail.setText(sp.getString(KEY_RECIPIENT_EMAIL, ""));
+    }
+
+    public void saveConfig() {
+        String server = mEtSmtpServer.getText().toString().trim();
+        String port = mEtSmtpPort.getText().toString().trim();
+        String sender = mEtSenderEmail.getText().toString().trim();
+        String auth = mEtAuthCode.getText().toString().trim();
+        String recipient = mEtRecipientEmail.getText().toString().trim();
+
+        SharedPreferences.Editor editor = getContext().getSharedPreferences(
+                mPrefName, Context.MODE_PRIVATE).edit();
+        editor.putString(KEY_SMTP_SERVER, server);
+        editor.putString(KEY_SMTP_PORT, port);
+        editor.putString(KEY_SENDER_EMAIL, sender);
+        editor.putString(KEY_AUTH_CODE, auth);
+        editor.putString(KEY_RECIPIENT_EMAIL, recipient);
+        editor.apply();
+
+        Toast.makeText(getContext(), "设置已保存", Toast.LENGTH_SHORT).show();
+        LogUtils.d(TAG, "saveConfig success, server=" + server + ", port=" + port);
+    }
+
+    public String getSmtpServer() {
+        return mEtSmtpServer.getText().toString().trim();
+    }
+
+    public String getSmtpPort() {
+        return mEtSmtpPort.getText().toString().trim();
+    }
+
+    public String getSenderEmail() {
+        return mEtSenderEmail.getText().toString().trim();
+    }
+
+    public String getAuthCode() {
+        return mEtAuthCode.getText().toString().trim();
+    }
+
+    public String getRecipientEmail() {
+        return mEtRecipientEmail.getText().toString().trim();
+    }
+
+    public boolean isConfigValid() {
+        return !getSmtpServer().isEmpty()
+                && !getSmtpPort().isEmpty()
+                && !getSenderEmail().isEmpty()
+                && !getAuthCode().isEmpty()
+                && !getRecipientEmail().isEmpty();
+    }
+
+    public void testSendMail() {
+        if (!isConfigValid()) {
+            Toast.makeText(getContext(), "请填写所有配置项", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        if (mTestSendListener != null) {
+            mTestSendListener.onTestSendStart();
+        }
+
+        Toast.makeText(getContext(), "正在发送测试邮件...", Toast.LENGTH_SHORT).show();
+
+        final String recipient = getRecipientEmail();
+        final String sender = getSenderEmail();
+        final String auth = getAuthCode();
+        final String host = getSmtpServer();
+        final int port;
+        try {
+            port = Integer.parseInt(getSmtpPort());
+        } catch (NumberFormatException e) {
+            Toast.makeText(getContext(), "端口号格式错误", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                final boolean success = SMTPUtils.sendTextMail(
+                        recipient,
+                        "SMTPConfigView 测试邮件",
+                        "这是一封SMTPConfigView的测试邮件。\n\n发送时间: "
+                                + System.currentTimeMillis(),
+                        sender,
+                        auth,
+                        host,
+                        port);
+
+                new Handler(Looper.getMainLooper()).post(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (success) {
+                            Toast.makeText(getContext(),
+                                    "测试邮件发送成功", Toast.LENGTH_SHORT).show();
+                        } else {
+                            Toast.makeText(getContext(),
+                                    "测试邮件发送失败，请检查设置", Toast.LENGTH_SHORT).show();
+                        }
+                        if (mTestSendListener != null) {
+                            mTestSendListener.onTestSendResult(success);
+                        }
+                    }
+                });
+            }
+        }).start();
+    }
+}