如何自动滚动动画布局

问题描述

我有一个动画 LinearLayouts 想要自动滚动，我希望布局平滑向下滚动到底部，但问题是自动滚动最初在向下滚动布局之前向上推布局的父视图。 我使用动画来一个接一个地显示布局。

这是我的 XML

    <?XML version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/red/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android: layout_marginTop="10dp"
android:paddingBottom="10dp">

<RelativeLayout
android:id="@+id/LayoutAll"
android:layout_width="550dp"
android:layout_height="180dp"
android:paddingRight="20dp"
android:paddingBottom="10dp"
android:paddingLeft="20dp">

<ScrollView
android:id="@+id/Scroll"
android:layout_width="match_parent"
android:layout_height="match_parent">

<LinearLayout
android:id="@+id/LayoutParent"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">

<LinearLayout
android:id="@+id/Layout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item One"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item One Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>

<LinearLayout
android:id="@+id/Layout2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Two"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Two Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>

<LinearLayout
android:id="@+id/Layout3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Three"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Three Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>

<LinearLayout
android:id="@+id/Layout4"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Four"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Four Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>

<LinearLayout
android:id="@+id/Layout5"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Five"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Five Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>
<LinearLayout
android:id="@+id/Layout6"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Six"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Six Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>

<LinearLayout
android:id="@+id/Layout7"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Seven"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Seven Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>

<LinearLayout
android:id="@+id/Layout8"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Eight"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Eight Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>

<LinearLayout
android:id="@+id/Layout9"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Nine"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Nine Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>

<LinearLayout
android:id="@+id/Layout10"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Ten"
android:layout_gravity="start"
android:gravity="start">

<TextView
android:layout_width="0dp"
android: layout_weight="1"
android:layout_height="match_parent"
android:text="Item Ten Price"
android:layout_gravity="end"
android:gravity="end">

</LinearLayout>
</LinearLayout>
</ScrollView>
</RelativeLayout>
</LinearLayout> 

MainActivity.java

import android.app.Dialog;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.LinearLayout;
import android.widget.ScrollView;

Public class ScrollItems extends Dialog{

private long Delay_Scroll = 1000;
private Activity main_Activity;
LinearLayout Layout_1,Layout_2,Layout_3,Layout_4,Layout_5,Layout_6,Layout_7,Layout_8,Layout_9,Layout_10;

public ScrollItems (Activity cons_Activity){

super(cons_Activity);
this.main_Activity = cons_Activity;
}

@Overtide
protected void onCreate(Bundle saveInstanceState){

super.onCreate(saveInstanceState);
setContentView(R.layout. activity_scroll_items);

AnimateLayout();
}

public void AnimateLayout(){

int [] LayoutIds = {R.id.Layout1,R.id.Layout2,R.id.Layout3,R.id.Layout4,R.id.Layout5,R.id.Layout6,R.id.Layout7,R.id.Layout8,R.id.Layout9,R.id.Layout10};

int LayoutCount = 1;
for(int viewId : LayoutIds) {

Animation animation = AnimationUtills.loadAnimation(this.main_Activity,R.anim.animate);
animation.setStartOffset(LayoutCount * 500);
int Layout_ID = LayoutIds [LayoutCount - 1];
LinearLayout layout = (LinearLayout) findViewById(Layout_ID);
layout.setAnimation(animation);
LayoutCount ++;
}
ScrollView scrollView = (ScrollView) findViewById(R.id.Scroll);
scrollView.postDelay(new Runnable (){
@Override
public void run (){
scrollView.fullScroll(ScrollView.FOCUS.DOWN);
}
},Delay_Scroll);
}}

animate.xml

<alpha
xmlns:android="http://schemas.android.com/apk/red/android"
android:interpolator="@android:anim/accelerate_decelerate_interpolator"
android:fromAlpha="0.0"
android:toAlpha="2"
android:duration="500"/>

解决方法

暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！

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