Stars a loading animation for the specified view. - Android User Interface

Android examples for User Interface:View Animation

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Description

Stars a loading animation for the specified view.

Demo Code


//package com.java2s;

import android.view.View;

import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;

public class Main {
    /**/* w  w w . j  a v  a 2  s  . c  o m*/
     * Stars a loading animation for the specified view.
     * 
     * @param v
     *            the view to animate
     */
    public static void animateLoading(View v) {
        showView(v);
        AlphaAnimation loadingAnim = new AlphaAnimation(1F, 0.0F);
        loadingAnim.setDuration(800);
        loadingAnim.setFillAfter(false);
        loadingAnim.setRepeatMode(Animation.REVERSE);
        loadingAnim.setRepeatCount(Animation.INFINITE);
        v.startAnimation(loadingAnim);
    }

    /**
     * Shows the specified view if invisible or gone.
     * 
     * @param v
     *            the view to show
     */
    public static void showView(View v) {
        if (v.getVisibility() == View.INVISIBLE
                || v.getVisibility() == View.GONE) {
            v.setVisibility(View.VISIBLE);
        }
    }
}

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