Android studio：滚动视图中的TexView在滚动时消失

时间：2016-02-21 11:39:59

标签： android-layout scrollview

我在一个包含垂直Linearlayout的linearLayout中有一个Scrollview。 它有几个文本视图，一切都很好，我可以看到所有的视图。直到我向下滚动。屏幕下方的文字视图未显示。 我将Textview的alpha更改为.9并且它有效。 有谁知道它为什么那样？ 这是layout.xml

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/back1"
    android:alpha="5">

    <ScrollView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/scrollView"
        android:fillViewport="true">

        <LinearLayout
            android:orientation="vertical"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:alpha=".9">

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="@drawable/back35"
                android:layout_marginBottom="5dp"
                android:layout_marginTop="5dp" >

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="2" >

                    <ImageButton
                        android:layout_width="fill_parent"
                        android:layout_height="fill_parent"
                        android:id="@+id/imageButton7"
                        android:src="@drawable/can_pot_com"
                        android:layout_weight="2"
                        android:scaleType="fitStart"
                        android:background="#00ffffff"
                        android:cropToPadding="false"
                        android:foregroundGravity="bottom"
                        android:layout_alignParentTop="true"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentStart="true"
                        android:layout_alignParentBottom="true" />
                </RelativeLayout>

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="3" >

                    <Button
                        android:layout_width="fill_parent"
                        android:layout_height="match_parent"
                        android:textAppearance="?android:attr/textAppearanceLarge"
                        android:text="گلدان با قوطی کنسرو"
                        android:id="@+id/button6"
                        android:layout_weight="3"
                        android:textStyle="bold"
                        android:textIsSelectable="false"
                        android:textAlignment="center"
                        android:lines="3"
                        android:linksClickable="false"
                        android:textColor="#000000"
                        android:layout_alignParentTop="false"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentBottom="false"
                        android:layout_alignParentRight="false"
                        android:layout_alignWithParentIfMissing="false"
                        android:layout_alignParentEnd="true"
                        android:layout_alignParentStart="false"
                        android:layout_centerInParent="true"
                        android:background="#00ffffff"
                         />
                </RelativeLayout>
            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="@drawable/back35"
                android:layout_marginBottom="5dp"
                android:layout_marginTop="5dp">

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="2">

                    <ImageButton
                        android:layout_width="fill_parent"
                        android:layout_height="fill_parent"
                        android:id="@+id/imageButton"
                        android:src="@drawable/alphabete_3d1"
                        android:layout_weight="2"
                        android:scaleType="fitCenter"
                        android:background="#00ffffff"
                        android:cropToPadding="false"
                        android:foregroundGravity="bottom"
                        android:layout_alignParentTop="true"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentStart="true"
                        android:layout_alignParentBottom="true" />
                </RelativeLayout>

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="3">

                    <Button
                        android:layout_width="fill_parent"
                        android:layout_height="wrap_content"
                        android:textAppearance="?android:attr/textAppearanceLarge"
                        android:text="@string/alphabete_3d"
                        android:id="@+id/textView"
                        android:layout_weight="3"
                        android:textStyle="bold"
                        android:textIsSelectable="false"
                        android:textAlignment="center"
                        android:lines="3"
                        android:linksClickable="false"
                        android:textColor="#000000"
                        android:layout_alignParentTop="false"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentBottom="false"
                        android:layout_alignParentRight="false"
                        android:layout_alignWithParentIfMissing="false"
                        android:layout_alignParentEnd="false"
                        android:layout_alignParentStart="false"
                        android:layout_centerInParent="true"
                        android:background="#00ffffff" />


                </RelativeLayout>

            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="@drawable/back35"
                android:layout_marginBottom="5dp"
                android:layout_marginTop="5dp">

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="2" >

                    <ImageButton
                        android:layout_width="fill_parent"
                        android:layout_height="fill_parent"
                        android:id="@+id/imageButton2"
                        android:src="@drawable/kaghaz_aviz_sample"
                        android:layout_weight="2"
                        android:scaleType="fitStart"
                        android:background="#00ffffff"
                        android:cropToPadding="false"
                        android:foregroundGravity="bottom"
                        android:layout_alignParentTop="true"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentStart="true"
                        android:layout_alignParentBottom="true" />
                </RelativeLayout>

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="3" >

                    <Button
                        android:layout_width="fill_parent"
                        android:layout_height="match_parent"
                        android:textAppearance="?android:attr/textAppearanceLarge"
                        android:text="@string/aviz_kaghazi"
                        android:id="@+id/textView2"
                        android:layout_weight="3"
                        android:textStyle="bold"
                        android:textIsSelectable="false"
                        android:textAlignment="center"
                        android:lines="3"
                        android:linksClickable="false"
                        android:textColor="#000000"
                        android:layout_alignParentTop="false"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentBottom="false"
                        android:layout_alignParentRight="false"
                        android:layout_alignWithParentIfMissing="false"
                        android:layout_alignParentEnd="true"
                        android:layout_alignParentStart="false"
                        android:layout_centerInParent="true"
                        android:background="#00ffffff" />
                </RelativeLayout>
            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="@drawable/back35"
                android:layout_marginBottom="5dp"
                android:layout_marginTop="5dp">

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="2" >

                    <ImageButton
                        android:layout_width="fill_parent"
                        android:layout_height="fill_parent"
                        android:id="@+id/imageButton3"
                        android:src="@drawable/golden_feather_sample"
                        android:layout_weight="2"
                        android:scaleType="fitStart"
                        android:background="#00ffffff"
                        android:cropToPadding="false"
                        android:foregroundGravity="bottom"
                        android:layout_alignParentTop="true"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentStart="true"
                        android:layout_alignParentBottom="true" />
                </RelativeLayout>

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="3" >

                    <Button
                        android:layout_width="fill_parent"
                        android:layout_height="match_parent"
                        android:textAppearance="?android:attr/textAppearanceLarge"
                        android:text="@string/aviz_par_tala"
                        android:id="@+id/button"
                        android:layout_weight="3"
                        android:textStyle="bold"
                        android:textIsSelectable="false"
                        android:textAlignment="center"
                        android:lines="3"
                        android:linksClickable="false"
                        android:textColor="#000000"
                        android:layout_alignParentTop="false"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentBottom="false"
                        android:layout_alignParentRight="false"
                        android:layout_alignWithParentIfMissing="false"
                        android:layout_alignParentEnd="true"
                        android:layout_alignParentStart="false"
                        android:layout_centerInParent="true"
                        android:background="#00ffffff" />
                </RelativeLayout>
            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="@drawable/back35"
                android:layout_marginBottom="5dp"
                android:layout_marginTop="5dp" >

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="2" >

                    <ImageButton
                        android:layout_width="fill_parent"
                        android:layout_height="fill_parent"
                        android:id="@+id/imageButton4"
                        android:src="@drawable/button_potsample2"
                        android:layout_weight="2"
                        android:scaleType="fitStart"
                        android:background="#00ffffff"
                        android:cropToPadding="false"
                        android:foregroundGravity="bottom"
                        android:layout_alignParentTop="true"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentStart="true"
                        android:layout_alignParentBottom="true" />
                </RelativeLayout>

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="3" >

                    <Button
                        android:layout_width="fill_parent"
                        android:layout_height="match_parent"
                        android:textAppearance="?android:attr/textAppearanceLarge"
                        android:text="@string/botton_pot"
                        android:id="@+id/button2"
                        android:layout_weight="3"
                        android:textStyle="bold"
                        android:textIsSelectable="false"
                        android:textAlignment="center"
                        android:lines="3"
                        android:linksClickable="false"
                        android:textColor="#000000"
                        android:layout_alignParentTop="false"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentBottom="false"
                        android:layout_alignParentRight="false"
                        android:layout_alignWithParentIfMissing="false"
                        android:layout_alignParentEnd="true"
                        android:layout_alignParentStart="false"
                        android:layout_centerInParent="true"
                        android:background="#00ffffff" />
                </RelativeLayout>
            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="@drawable/back35"
                android:layout_marginBottom="5dp"
                android:layout_marginTop="5dp" >

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="2" >

                    <ImageButton
                        android:layout_width="fill_parent"
                        android:layout_height="fill_parent"
                        android:id="@+id/imageButton5"
                        android:src="@drawable/canlendersample"
                        android:layout_weight="2"
                        android:scaleType="fitStart"
                        android:background="#00ffffff"
                        android:cropToPadding="false"
                        android:foregroundGravity="bottom"
                        android:layout_alignParentTop="true"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentStart="true"
                        android:layout_alignParentBottom="true" />
                </RelativeLayout>

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="3" >

                    <Button
                        android:layout_width="fill_parent"
                        android:layout_height="match_parent"
                        android:textAppearance="?android:attr/textAppearanceLarge"
                        android:text="@string/printable_calender"
                        android:id="@+id/button4"
                        android:layout_weight="3"
                        android:textStyle="bold"
                        android:textIsSelectable="false"
                        android:textAlignment="center"
                        android:lines="3"
                        android:linksClickable="false"
                        android:textColor="#000000"
                        android:layout_alignParentTop="false"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentBottom="false"
                        android:layout_alignParentRight="false"
                        android:layout_alignWithParentIfMissing="false"
                        android:layout_alignParentEnd="true"
                        android:layout_alignParentStart="false"
                        android:layout_centerInParent="true"
                        android:background="#00ffffff" />
                </RelativeLayout>
            </LinearLayout>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="@drawable/back35"
                android:layout_marginBottom="5dp"
                android:layout_marginTop="5dp"
                android:alpha=".9">

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="2" >

                    <ImageButton
                        android:layout_width="fill_parent"
                        android:layout_height="fill_parent"
                        android:id="@+id/imageButton6"
                        android:src="@drawable/ballon_pot_sample"
                        android:layout_weight="2"
                        android:scaleType="fitStart"
                        android:background="#00ffffff"
                        android:cropToPadding="false"
                        android:foregroundGravity="bottom"
                        android:layout_alignParentTop="true"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentStart="true"
                        android:layout_alignParentBottom="true" />
                </RelativeLayout>

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="3" >

                    <Button
                        android:layout_width="fill_parent"
                        android:layout_height="match_parent"
                        android:textAppearance="?android:attr/textAppearanceLarge"
                        android:text="@string/ballon_pot"
                        android:id="@+id/button5"
                        android:layout_weight="3"
                        android:textStyle="bold"
                        android:textIsSelectable="false"
                        android:textAlignment="center"
                        android:lines="3"
                        android:linksClickable="false"
                        android:textColor="#000000"
                        android:layout_alignParentTop="false"
                        android:layout_alignParentLeft="false"
                        android:layout_alignParentBottom="false"
                        android:layout_alignParentRight="false"
                        android:layout_alignWithParentIfMissing="false"
                        android:layout_alignParentEnd="true"
                        android:layout_alignParentStart="false"
                        android:layout_centerInParent="true"
                        android:background="#00ffffff"
                        android:alpha="1" />
                </RelativeLayout>
            </LinearLayout>

        </LinearLayout>
    </ScrollView>

</LinearLayout>
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如果有必要请求的其他任何事情让我知道，我是新来的。

0 个答案:

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