Shows the progress UI and hides the original content view. - Android User Interface

Android examples for User Interface:View Hide Show

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Description

Shows the progress UI and hides the original content view.

Demo Code


//package com.java2s;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.view.View;

public class Main {
    /**/*from  w  w  w. j  ava 2 s  .  c  o m*/
     * Shows the progress UI and hides the original content view.
     *
     * @param show Shows a progress bar if true, else the content.
     * @param progress The view of the progress bar.
     * @param content The view of the original content
     * @param context The Activity context in which the views are changed.
     */
    @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
    public static void showProgress(final boolean show,
            final View progress, final View content, Context context) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
            int shortAnimTime = context.getResources().getInteger(
                    android.R.integer.config_shortAnimTime);

            content.setVisibility(show ? View.GONE : View.VISIBLE);
            content.animate().setDuration(shortAnimTime)
                    .alpha(show ? 0 : 1)
                    .setListener(new AnimatorListenerAdapter() {
                        @Override
                        public void onAnimationEnd(Animator animation) {
                            content.setVisibility(show ? View.GONE
                                    : View.VISIBLE);
                        }
                    });

            progress.setVisibility(show ? View.VISIBLE : View.GONE);
            progress.animate().setDuration(shortAnimTime)
                    .alpha(show ? 1 : 0)
                    .setListener(new AnimatorListenerAdapter() {
                        @Override
                        public void onAnimationEnd(Animator animation) {
                            progress.setVisibility(show ? View.VISIBLE
                                    : View.GONE);
                        }
                    });
        } else {
            // The ViewPropertyAnimator APIs are not available, so simply show
            // and hide the relevant UI components.
            progress.setVisibility(show ? View.VISIBLE : View.GONE);
            content.setVisibility(show ? View.GONE : View.VISIBLE);
        }
    }
}

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