CODEWITHSUNDEEP
javaandroidandroid-layout
Steve W
Steve W

Reputation: 1128

ScrollView not scrolling far enough - java Android Studio

I am working on a app where the user actions add LinearLayout's to the pre-existing LinearLayout @+id/linLayout. Sometimes these additional layouts will go off the bottom of the screen so I have put the main LinearLayout within a ScrollView. When my app starts to go off the bottom of the screen it is able to scroll a little bit but not far enough to see everything. At a certain point it is not possible to continue because a Button is off screen and cannot be pressed. Can anybody tell me what I'm doing wrong?

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginStart="@dimen/activity_horizontal_margin"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:showIn="@layout/activity_main"
    tools:context=".MainActivity">

    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >

        <Button android:id="@+id/bGenerateExample"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/generate_example" />

        <ScrollView
            xmlns:android="http://schemas.android.com/apk/res/android"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content">

            <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
                xmlns:tools="http://schemas.android.com/tools"
                android:id="@+id/linLayout"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:orientation="vertical" >
            </LinearLayout>

        </ScrollView>

    </LinearLayout>

</RelativeLayout>

Upvotes: 0

Views: 763

Answers (1)

Burak Karasoy
Burak Karasoy

Reputation: 1690

What about using weight_Sum?

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android_weight_sum=5 >
    <Button android:id="@+id/bGenerateExample"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:text="@string/generate_example" />

    <ScrollView
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="4">

        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
            xmlns:tools="http://schemas.android.com/tools"
            android:id="@+id/linLayout"
            android:layout_width="match_parent"
            android:layout_height="marth_parent"
            android:orientation="vertical" >
        </LinearLayout>

    </ScrollView>

</LinearLayout>

now button covers %20 percent of screen and scrollView covers %80.You can change it easily with changing layout_weight values of scrollView, Button.

Upvotes: 1

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