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fix: 返回按钮改用透明覆盖层方案

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标题栏改为 FrameLayout，图标保持原样
上层叠一个 120dp 宽的透明 View 覆盖左半边
点击左半边任意位置都触发返回，不影响视觉

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
dongliang
2026-05-07 16:52:34 +09:30
parent 0c5d9076a8
commit 1dc34de35a
1 changed files with 28 additions and 26 deletions
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54
app/src/main/res/layout/fragment_task_list.xml
View File

@@ -10,43 +10,36 @@
android:orientation="vertical">
<!-- ===== 固定标题栏（不随内容滚动） ===== -->
<LinearLayout
<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:paddingStart="0dp"
android:paddingTop="8dp"
android:paddingEnd="21dp"
android:paddingBottom="4dp">
<!-- 返回按钮：整个左半边可点击，图标靠左 -->
<FrameLayout
android:id="@+id/btnBack"
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1"
android:clickable="true"
android:focusable="true">
<!-- 标题栏内容 -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:paddingEnd="21dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:paddingStart="21dp"
android:layout_width="64dp"
android:layout_height="match_parent"
android:gravity="center"
android:text="\ue6bd"
android:fontFamily="@font/iconfont"
android:textColor="@color/text_primary"
android:textSize="28sp" />
</FrameLayout>
<TextView
android:id="@+id/tvTitle"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:textColor="@color/text_secondary"
android:textSize="20sp" />
<TextView
android:id="@+id/tvTitle"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:textColor="@color/text_secondary"
android:textSize="20sp" />
<TextView
android:id="@+id/tvPageNum"
@@ -58,7 +51,16 @@
android:minWidth="37dp"
android:gravity="end" />
</LinearLayout>
</LinearLayout>
<!-- 透明覆盖层：左半边都是返回点击区域 -->
<View
android:id="@+id/btnBack"
android:layout_width="120dp"
android:layout_height="match_parent"
android:layout_gravity="start" />
</FrameLayout>
<!-- ===== 可滚动内容区（标题和按钮之间） ===== -->
<FrameLayout