62

我尝试了BottomSheetAndroid 支持中的新功能。在里面BottomSheet我放了一个TextView和一个ScrollView。显示BottomSheet很好,我发现的唯一问题是ScrollViewinBottomSheet没有滚动。每次我尝试滚动时,滚动的主要活动中的布局或BottomSheet从折叠到展开的变化状态。

这是我的活动类代码片段:

private BottomSheetBehavior behavior;
View bottomSheet;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    setTextViewOnClickListener(this, findViewById(R.id.parentLayout));

    CoordinatorLayout coordinatorLayout = (CoordinatorLayout) findViewById(R.id.main_content);

    // The View with the BottomSheetBehavior
    bottomSheet = coordinatorLayout.findViewById(R.id.bottom_sheet);
    behavior = BottomSheetBehavior.from(bottomSheet);
    behavior.setBottomSheetCallback(new BottomSheetBehavior.BottomSheetCallback() {
        @Override
        public void onStateChanged(@NonNull View bottomSheet, int newState) {
            // React to state change

        }


        @Override
        public void onSlide(@NonNull View bottomSheet, float slideOffset) {
            // React to dragging events
        }
    });

@Override
public void onClick(View v) {
    switch (v.getId()) {
        case R.id.tv1:
            setTextViewHeader("Header1");
            setTextViewContent("Long_Text_1");

            break;

        case R.id.tv2:
            setTextViewHeader("Header2");
            setTextViewContent("Long_Text_2");

            break;

        case R.id.tv3:
            setTextViewHeader("Header3");
            setTextViewContent("Long_Text_3");

            break;

        default:
            break;
    }

    behavior.setPeekHeight(100);
    behavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
    behavior.setHideable(true);

    bottomSheet.requestLayout();
}

这是我的布局 XML:

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context="com.rapidgrowsolutions.android.MainActivity">


    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">


        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:layout_scrollFlags="scroll|enterAlways"
            app:popupTheme="@style/AppTheme.PopupOverlay" />


    </android.support.design.widget.AppBarLayout>


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TextView
            android:id="@+id/tv1"
            style="@style/LightRow"
            android:text="some_long_text_here" />

        <TextView
            android:id="@+id/tv2"
            style="@style/DarkRow"
            android:text="another_long_text_here" />

        <TextView
            android:id="@+id/tv3"
            style="@style/LightRow"
            android:text="another_long_text_here" />
    </LinearLayout>

    <android.support.v4.widget.NestedScrollView
        android:id="@+id/bottom_sheet"
        android:layout_width="match_parent"
        android:layout_height="250dp"
        app:behavior_hideable="true"
        android:fillViewport="true"
        app:layout_behavior="android.support.design.widget.BottomSheetBehavior">


        <android.support.v7.widget.LinearLayoutCompat
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="#FF7733"
            android:orientation="vertical">


            <TextView
                android:id="@+id/tvID1"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="HEADER"
                android:textAppearance="?android:attr/textAppearanceMedium" />

            <ScrollView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="9"
                android:background="#ffb773"
                android:fillViewport="true">


                <TextView
                    android:id="@+id/tvID2"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:background="#3377ff"
                    android:textAppearance="?android:attr/textAppearanceSmall" />
            </ScrollView>


        </android.support.v7.widget.LinearLayoutCompat>

    </android.support.v4.widget.NestedScrollView>

</android.support.design.widget.CoordinatorLayout>
4

6 回答 6

83

希望您现在已经弄清楚了,但是请更改View bottomSheetNestedScrollView bottomSheet.

于 2017-01-16T16:17:20.117 回答
5

我通过做以下事情解决了这个问题 -

  • 第一:当您使用 CoordinatorLayout 时不要使用 ScrollView,而是使用 NestedScrollView,它与 CoordinatorLayout 一起工作得更好。

  • 第二:android:layout_height在底部放置一个空白视图,但在 NestedScrollView 内部,例如 -

    <LinearLayout
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:orientation="vertical">
    
        <ImageView
            android:background="@drawable/username"
            android:id="@+id/userImage_info_search"
            android:layout_gravity="center"
            android:layout_height="100dp"
            android:layout_margin="20dp"
            android:layout_width="100dp" />
    
        <LinearLayout
            android:layout_height="wrap_content"
            android:layout_width="match_parent">
    
        <View
            android:background="@android:color/black"
            android:layout_height="1dp"
            android:layout_width="match_parent"></View>
    </LinearLayout>
    
    <LinearLayout
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:orientation="horizontal"
        android:padding="10dp"
        android:weightSum="3">
    
        <TextView
            style="@style/Bottomsheetstyle"
            android:id="@+id/txtNamelabel_info_search"
            android:layout_gravity="center"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:text="Name" />
    
        <TextView
            style="@style/Bottomsheetstyle"
            android:id="@+id/txtName_info_search"
            android:layout_gravity="center"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_weight="2"
            android:layout_width="0dp"
            android:text="" />
    
    
    </LinearLayout>
    
    <LinearLayout
        android:layout_height="wrap_content"
        android:layout_width="match_parent">
    
        <View
            android:background="@android:color/black"
            android:layout_height="1dp"
            android:layout_width="match_parent"></View>
    </LinearLayout>
    
    <LinearLayout
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:orientation="horizontal"
        android:padding="10dp"
        android:weightSum="3">
    
        <TextView
            style="@style/Bottomsheetstyle"
            android:layout_gravity="center"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:text="Number" />
    
        <LinearLayout
            android:layout_height="wrap_content"
            android:layout_weight="2"
            android:layout_width="0dp"
            android:orientation="horizontal">
    
            <TextView
                style="@style/Bottomsheetstyle"
                android:gravity="center_vertical"
                android:id="@+id/txtNumber_info_search"
                android:layout_gravity="center_vertical"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"
                android:layout_weight="1.4"
                android:layout_width="0dp"
                android:text="+XX (XXX) XXX-XXXX" />
    
            <ImageView
                android:background="@drawable/call_save"
                android:id="@+id/call_info_search"
                android:layout_height="wrap_content"
                android:layout_weight="0.3"
                android:layout_width="0dp" />
    
            <View
                android:layout_gravity="center"
                android:layout_height="5dp"
                android:layout_width="5dp"></View>
    
            <ImageView
                android:background="@drawable/comment_save"
                android:id="@+id/sms_info_search"
                android:layout_height="wrap_content"
                android:layout_weight="0.3"
                android:layout_width="0dp" />
    
    
        </LinearLayout>
    
    
    </LinearLayout>
    
    <LinearLayout
        android:layout_height="wrap_content"
        android:layout_width="match_parent">
    
        <View
            android:background="@android:color/black"
            android:layout_height="1dp"
            android:layout_width="match_parent"></View>
    </LinearLayout>
    
    <LinearLayout
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:orientation="horizontal"
        android:padding="10dp"
        android:weightSum="3">
    
        <TextView
            style="@style/Bottomsheetstyle"
            android:layout_gravity="center"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:text="Email" />
    
        <TextView
            style="@style/Bottomsheetstyle"
            android:id="@+id/txtEmail_info_search"
            android:layout_gravity="center"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_weight="2"
            android:layout_width="0dp"
            android:text="" />
    
    
    </LinearLayout>
    
    <LinearLayout
        android:layout_height="wrap_content"
        android:layout_width="match_parent">
    
        <View
            android:background="@android:color/black"
            android:layout_height="1dp"
            android:layout_width="match_parent"></View>
    </LinearLayout>
    
    <View
        android:background="@android:color/transparent"
        android:layout_height="@dimen/somedp"
        android:layout_width="match_parent" />
    

于 2017-02-24T08:16:40.173 回答
4

除了“jobbert”的答案:

如果您总是返回“false”,则底页可能根本不工作。这发生在我身上,当我还在底页 coordinatorlayout 中使用 viewpager 时。要真正修复它,需要检查触摸是否在嵌套滚动视图内。这可以很容易地计算并得出最通用的解决方案:

 override fun onInterceptTouchEvent(parent: CoordinatorLayout, child: V, event: MotionEvent): Boolean {

    val nested = child.findViewById<NestedScrollView>(R.id.nested) //NestedScrollView
    var x = event.x
    var y = event.y

    val position = IntArray(2)
    nested.getLocationOnScreen(position)

    var nestedX = position[0]
    var nestedY = position[1]


    var boundLeft = nestedX
    var boundRight = nestedX + nested.width
    var boundTop = nestedY
    var boundBottom = nestedY + nested.height


    if ((x > boundLeft && x < boundRight && y > boundTop && y < boundBottom) || event.action == MotionEvent.ACTION_CANCEL) {
        //Touched inside of the scrollview-> pass the touch event to the scrollview
        return false
    }



    //touched outside, use the parents computation to make the bottomsheet work
    return super.onInterceptTouchEvent(parent, child, event)

}
于 2019-07-02T20:43:29.573 回答
0

使用以下自定义底部工作表行为

public class CustomBottomSheetBehaviour<V extends View> extends BottomSheetBehavior {
    public CustomBottomSheetBehaviour() {
        super();
    }

    public CustomBottomSheetBehaviour(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public boolean onInterceptTouchEvent(CoordinatorLayout parent, View child, MotionEvent event) {
        return false;
    }
}
于 2016-11-03T16:42:03.170 回答
0

这对我有用,尝试使用第一个滚动视图,然后使用线性或相对布局,并使用它上面的嵌套滚动视图

<RelativeLayout
    android:id="@+id/bottom_sheet"
    android:layout_width="match_parent"
    android:layout_height="250dp"
    app:behavior_hideable="true"
    app:elevation="4dp"
    android:background="@color/colorPrimaryDark"
    app:layout_behavior="android.support.design.widget.BottomSheetBehavior"
    android:clipToPadding="true">


    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">


            <TextView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:padding="16dp"
                android:text="oh hello this is dummy data"
                android:textColor="#FFFFFF"
                android:textSize="20sp" />

            <ImageView
                android:id="@+id/imageView2"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:srcCompat="@mipmap/ic_launcher" />
            <ImageView
                android:id="@+id/"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:srcCompat="@mipmap/ic_launcher" />
            <ImageView
                android:id="@+id/"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:srcCompat="@mipmap/ic_launcher" />
            <ImageView
                android:id="@+id/"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:srcCompat="@mipmap/ic_launcher" />

            <ImageView
                android:id="@+id/"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:srcCompat="@mipmap/ic_launcher" />
        </LinearLayout>
    </ScrollView>
</RelativeLayout>
于 2019-03-20T18:03:20.153 回答
0

@Aghil CM 答案有效,但将其翻译为 Kotlin,因为自动翻译并没有起到作用。

class CustomBottomSheetBehaviour<V : View> : BottomSheetBehavior<V> {
    constructor() : super()

    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)

    override fun onInterceptTouchEvent(parent: CoordinatorLayout?, child: V, event: MotionEvent?): Boolean {
        return false
    }
}
于 2018-08-02T09:04:34.080 回答