[英]Scrollview over the fixed image/ImageView Android
我經歷了許多鏈接,但沒有運氣。 當我向上滾動(垂直)表單時,它隱藏在頂部圖像下方。 這是一個固定的 ImageView(高度=200dp)。 要求是當我向上滾動貨運海運表格時,它應該滾動圖像而不是圖像下方/下方。 我感謝及時的解決方案。 親切的問候這是xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/nestedScrollView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="@color/light_grey"
tools:context=".fragments.FFSFragment">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="200dp"
android:background="@drawable/sea_bg">
<ImageView
android:layout_width="match_parent"
android:layout_height="200dp"/>
</FrameLayout>
<ScrollView
android:id="@+id/scroll_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingTop="200dp"
android:scrollbars="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="@drawable/rectangle_corners_layout">
<TextView
android:id="@+id/title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/menu_ffs"
android:textSize="25sp"
android:textColor="@android:color/black"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"/>
<TextView
android:id="@+id/text_cb"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/fill_form"
android:textSize="16sp"
android:textColor="@android:color/black"
android:layout_marginLeft="20dp"
android:layout_marginBottom="30dp"/>
<EditText
android:id="@+id/et_origin"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_origin"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_destination"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_destination"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_commodity"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_commodity"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_weight"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_weight"
android:inputType="number"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_boxes"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_boxes"
android:inputType="number"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_boxe_size"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_boxsize"
android:background="@drawable/rectangle_corners"/>
<Button
android:id="@+id/choose_images_btn"
style="@style/AppTheme.RoundButtons"
android:text="@string/choose_images"/>
<Button
android:id="@+id/submit_btn"
style="@style/AppTheme.RoundButtons"
android:layout_marginBottom="20dp"
android:text="@string/submit"/>
</LinearLayout>
</ScrollView>
</RelativeLayout>
最簡單的方法是使用MotionLayout
:
build.gradle(app)
中實現MotionLayout
依賴項: implementation "androidx.constraintlayout:constraintlayout:2.1.4"
RelativeLayout
更改為MotionLayout
,並將ScrollView
更改為NestedScrollView
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.motion.widget.MotionLayout 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:background="#DDD"
android:orientation="vertical"
app:layoutDescription="@xml/activity_main_scene">
<FrameLayout
android:id="@+id/frameLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/ic_launcher_background"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<ImageView
android:layout_width="match_parent"
android:layout_height="200dp" />
</FrameLayout>
<androidx.core.widget.NestedScrollView
android:id="@+id/scroll_view"
android:layout_width="match_parent"
android:layout_height="0dp"
android:scrollbars="vertical"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/frameLayout">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white"
android:orientation="vertical">
<TextView
android:id="@+id/title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/menu_ffs"
android:textSize="25sp"
android:textColor="@android:color/black"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"/>
<TextView
android:id="@+id/text_cb"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/fill_form"
android:textSize="16sp"
android:textColor="@android:color/black"
android:layout_marginLeft="20dp"
android:layout_marginBottom="30dp"/>
<EditText
android:id="@+id/et_origin"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_origin"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_destination"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_destination"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_commodity"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_commodity"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_weight"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_weight"
android:inputType="number"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_boxes"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_boxes"
android:inputType="number"
android:background="@drawable/rectangle_corners"/>
<EditText
android:id="@+id/et_boxe_size"
style="@style/AppTheme.EditTexts"
android:hint="@string/enter_boxsize"
android:background="@drawable/rectangle_corners"/>
<Button
android:id="@+id/choose_images_btn"
style="@style/AppTheme.RoundButtons"
android:text="@string/choose_images"/>
<Button
android:id="@+id/submit_btn"
style="@style/AppTheme.RoundButtons"
android:layout_marginBottom="20dp"
android:text="@string/submit"/>
</LinearLayout>
</androidx.core.widget.NestedScrollView>
</androidx.constraintlayout.motion.widget.MotionLayout>
app:layoutDescription="@xml/activity_main_scene"
,Android studio 會給你一個紅色的錯誤,點擊紅燈顯示 Context Action 如下圖,然后點擊Create xml resource file<?xml version="1.0" encoding="utf-8"?>
<MotionScene xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:motion="http://schemas.android.com/apk/res-auto">
<Transition
motion:constraintSetEnd="@+id/end"
motion:constraintSetStart="@id/start"
motion:duration="1000">
<KeyFrameSet></KeyFrameSet>
<OnSwipe
motion:dragDirection="dragUp"
motion:touchAnchorId="@+id/scroll_view"
motion:touchAnchorSide="top" />
</Transition>
<ConstraintSet android:id="@+id/start"></ConstraintSet>
<ConstraintSet android:id="@+id/end">
<Constraint
android:id="@+id/scroll_view"
android:layout_width="match_parent"
android:layout_height="0dp"
android:scrollbars="vertical"
motion:layout_constraintBottom_toBottomOf="parent"
motion:layout_constraintEnd_toEndOf="parent"
motion:layout_constraintHorizontal_bias="0.5"
motion:layout_constraintStart_toStartOf="parent"
motion:layout_constraintTop_toTopOf="@+id/frameLayout" />
</ConstraintSet>
</MotionScene>
我希望這會有所幫助,您可以閱讀有關MotionLayout
的更多信息,它在這種情況下真的很有幫助
刪除相對布局,改用 FrameLayout
另一個問題是您為 Scrollview 提供了 200dp paddingTop,即使您滾動視圖並導致問題,它也會保持不變
這個也可以參考!
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/nestedScrollView" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:background="@color/light_grey" tools:context=".fragments.FFSFragment"> <ImageView android:layout_width="match_parent" android:layout_height="200dp" android:scaleType="fitXY" android:src="@drawable/sea_bg" /> <ScrollView android:id="@+id/scroll_view" android:layout_width="match_parent" android:layout_height="match_parent" android:scrollbars="vertical"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical"> <TextView android:layout_width="match_parent" android:layout_height="200dp" /> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:background="@drawable/rectangle_corners_layout"> <TextView android:id="@+id/title" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/menu_ffs" android:textSize="25sp" android:textColor="@android:color/black" android:layout_marginLeft="20dp" android:layout_marginTop="20dp"/> <TextView android:id="@+id/text_cb" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/fill_form" android:textSize="16sp" android:textColor="@android:color/black" android:layout_marginLeft="20dp" android:layout_marginBottom="30dp"/> <EditText android:id="@+id/et_origin" style="@style/AppTheme.EditTexts" android:hint="@string/enter_origin" android:background="@drawable/rectangle_corners"/> <EditText android:id="@+id/et_destination" style="@style/AppTheme.EditTexts" android:hint="@string/enter_destination" android:background="@drawable/rectangle_corners"/> <EditText android:id="@+id/et_commodity" style="@style/AppTheme.EditTexts" android:hint="@string/enter_commodity" android:background="@drawable/rectangle_corners"/> <EditText android:id="@+id/et_weight" style="@style/AppTheme.EditTexts" android:hint="@string/enter_weight" android:inputType="number" android:background="@drawable/rectangle_corners"/> <EditText android:id="@+id/et_boxes" style="@style/AppTheme.EditTexts" android:hint="@string/enter_boxes" android:inputType="number" android:background="@drawable/rectangle_corners"/> <EditText android:id="@+id/et_boxe_size" style="@style/AppTheme.EditTexts" android:hint="@string/enter_boxsize" android:background="@drawable/rectangle_corners"/> <Button android:id="@+id/choose_images_btn" style="@style/AppTheme.RoundButtons" android:text="@string/choose_images"/> <Button android:id="@+id/submit_btn" style="@style/AppTheme.RoundButtons" android:layout_marginBottom="20dp" android:text="@string/submit"/> </LinearLayout> </LinearLayout> </ScrollView> </FrameLayout>
我希望這個答案對你有幫助!
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