feat: 添加主界面开屏动画

MainActivity首次启动时显示5秒开屏画面，展示应用标题和副标题。

- 使用FrameLayout覆盖层实现居中展示
- 标题和副标题依次淡入，5秒后整体淡出
- 开屏背景使用主色调，文字白色/半透明白色
- onDestroy中清理Handler防止内存泄漏

bytheway/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Fri Jul 10 13:02:55 HKT 2026
+#Fri Jul 10 20:15:30 CST 2026
 stageCount=4
 libraryProject=
 baseVersion=15.20
 publishVersion=15.20.3
-buildCount=0
+buildCount=3
 baseBetaVersion=15.20.4

bytheway/src/main/java/cc/winboll/studio/bytheway/MainActivity.java

@@ -2,8 +2,13 @@ package cc.winboll.studio.bytheway;
 
 import android.content.Intent;
 import android.os.Bundle;
+import android.os.Handler;
 import android.view.Menu;
 import android.view.MenuItem;
+import android.view.View;
+import android.view.animation.AlphaAnimation;
+import android.view.animation.Animation;
+import android.widget.TextView;
 import androidx.appcompat.widget.Toolbar;
 import cc.winboll.studio.bytheway.activities.AboutActivity;
 import cc.winboll.studio.bytheway.activities.BaseWinBoLLActivity;
@@ -18,6 +23,11 @@ import cc.winboll.studio.libappbase.ToastUtils;
 public class MainActivity extends BaseWinBoLLActivity {
 	
 	public static final String TAG = "MainActivity";
+	private static final long SPLASH_DURATION = 5000L;
+	private static final long SPLASH_FADE_IN = 800L;
+	private static final long SPLASH_FADE_OUT = 500L;
+	private View splashOverlay;
+	private final Handler splashHandler = new Handler();
 
 	@Override
 	public String getTag() {
@@ -33,6 +43,7 @@ public class MainActivity extends BaseWinBoLLActivity {
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
+        initSplash();
         ToastUtils.show("onCreate");
     }
 
@@ -41,6 +52,12 @@ public class MainActivity extends BaseWinBoLLActivity {
         super.onResume();
     }
 
+    @Override
+    protected void onDestroy() {
+        splashHandler.removeCallbacksAndMessages(null);
+        super.onDestroy();
+    }
+
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         AESThemeUtil.inflateCompatThemeMenu(this, menu);
@@ -76,4 +93,43 @@ public class MainActivity extends BaseWinBoLLActivity {
         }
         return true;
     }
+
+    private void initSplash() {
+        splashOverlay = findViewById(R.id.splash_overlay);
+        final TextView splashTitle = findViewById(R.id.splash_title);
+        final TextView splashSubtitle = findViewById(R.id.splash_subtitle);
+
+        AlphaAnimation fadeInTitle = new AlphaAnimation(0f, 1f);
+        fadeInTitle.setDuration(SPLASH_FADE_IN);
+        fadeInTitle.setFillAfter(true);
+        splashTitle.startAnimation(fadeInTitle);
+
+        AlphaAnimation fadeInSubtitle = new AlphaAnimation(0f, 1f);
+        fadeInSubtitle.setDuration(SPLASH_FADE_IN);
+        fadeInSubtitle.setStartOffset(SPLASH_FADE_IN);
+        fadeInSubtitle.setFillAfter(true);
+        splashSubtitle.startAnimation(fadeInSubtitle);
+
+        splashHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                AlphaAnimation fadeOut = new AlphaAnimation(1f, 0f);
+                fadeOut.setDuration(SPLASH_FADE_OUT);
+                fadeOut.setFillAfter(true);
+                fadeOut.setAnimationListener(new Animation.AnimationListener() {
+                    @Override
+                    public void onAnimationStart(Animation animation) {}
+
+                    @Override
+                    public void onAnimationEnd(Animation animation) {
+                        splashOverlay.setVisibility(View.GONE);
+                    }
+
+                    @Override
+                    public void onAnimationRepeat(Animation animation) {}
+                });
+                splashOverlay.startAnimation(fadeOut);
+            }
+        }, SPLASH_DURATION);
+    }
 }

bytheway/src/main/res/layout/activity_main.xml

@@ -1,29 +1,72 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<FrameLayout
 	xmlns:android="http://schemas.android.com/apk/res/android"
-	xmlns:app="http://schemas.android.com/apk/res-auto"
 	android:layout_width="match_parent"
-	android:layout_height="match_parent"
-	android:orientation="vertical">
-
-	<cc.winboll.studio.libaes.views.ASupportToolbar
-		android:layout_width="match_parent"
-		android:layout_height="wrap_content"
-		android:id="@+id/toolbar"/>
+	android:layout_height="match_parent">
 
 	<LinearLayout
-		android:orientation="vertical"
 		android:layout_width="match_parent"
-		android:layout_height="0dp"
-		android:layout_weight="1.0"
-		android:gravity="center_vertical|center_horizontal">
+		android:layout_height="match_parent"
+		android:orientation="vertical">
 
-		<TextView
+		<cc.winboll.studio.libaes.views.ASupportToolbar
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:id="@+id/toolbar"/>
+
+		<LinearLayout
+			android:orientation="vertical"
+			android:layout_width="match_parent"
+			android:layout_height="0dp"
+			android:layout_weight="1.0"
+			android:gravity="center_vertical|center_horizontal">
+
+			<TextView
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:text="ByTheWay"
+				android:textAppearance="?android:attr/textAppearanceLarge"/>
+
+		</LinearLayout>
+	</LinearLayout>
+
+	<FrameLayout
+		android:id="@+id/splash_overlay"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:background="@color/splashBackground"
+		android:clickable="true"
+		android:focusable="true">
+
+		<LinearLayout
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
-			android:text="ByTheWay"
-			android:textAppearance="?android:attr/textAppearanceLarge"/>
+			android:layout_gravity="center"
+			android:orientation="vertical"
+			android:gravity="center"
+			android:padding="32dp">
 
-	</LinearLayout>
-</LinearLayout>
+			<TextView
+				android:id="@+id/splash_title"
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:text="@string/splash_title"
+				android:textColor="@color/splashTitleText"
+				android:textSize="36sp"
+				android:textStyle="bold"
+				android:layout_marginBottom="16dp"/>
 
+			<TextView
+				android:id="@+id/splash_subtitle"
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:text="@string/splash_subtitle"
+				android:textColor="@color/splashSubtitleText"
+				android:textSize="14sp"
+				android:textStyle="italic"/>
+
+		</LinearLayout>
+
+	</FrameLayout>
+
+</FrameLayout>

bytheway/src/main/res/values/colors.xml

@@ -9,4 +9,7 @@
     <color name="toolbarBackgroundColor">#1565C0</color>
     <color name="debugTextColor">#616161</color>
     <color name="colorTextBackgound">#FAFAFA</color>
+    <color name="splashBackground">#1565C0</color>
+    <color name="splashTitleText">#FFFFFF</color>
+    <color name="splashSubtitleText">#B3FFFFFF</color>
 </resources>

bytheway/src/main/res/values/strings.xml

@@ -4,5 +4,7 @@
     <string name="action_gps_list">GPS列表</string>
     <string name="action_about">应用介绍</string>
 	<string name="app_description">The [ByTheWay] project is designed to quickly schedule task reminders related to time and location. Its main feature is the ability to quickly create task-related data.</string>
-	
+	<string name="splash_title">ByTheWay</string>
+	<string name="splash_subtitle">By the way, I mention this for you.</string>
+
 </resources>