1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17 package com.android.storagemanager.utils; 18 19 import android.view.View; 20 import android.view.animation.Animation; 21 import android.view.animation.Animation.AnimationListener; 22 import android.view.animation.AnimationUtils; 23 24 public class Utils { 25 handleLoadingContainer( View loading, View doneLoading, boolean done, boolean animate)26 public static void handleLoadingContainer( 27 View loading, View doneLoading, boolean done, boolean animate) { 28 setViewShown(loading, !done, animate); 29 setViewShown(doneLoading, done, animate); 30 } 31 setViewShown(final View view, boolean shown, boolean animate)32 private static void setViewShown(final View view, boolean shown, boolean animate) { 33 if (animate) { 34 Animation animation = 35 AnimationUtils.loadAnimation( 36 view.getContext(), 37 shown ? android.R.anim.fade_in : android.R.anim.fade_out); 38 if (shown) { 39 view.setVisibility(View.VISIBLE); 40 } else { 41 animation.setAnimationListener( 42 new AnimationListener() { 43 @Override 44 public void onAnimationStart(Animation animation) {} 45 46 @Override 47 public void onAnimationRepeat(Animation animation) {} 48 49 @Override 50 public void onAnimationEnd(Animation animation) { 51 view.setVisibility(View.GONE); 52 } 53 }); 54 } 55 view.startAnimation(animation); 56 } else { 57 view.clearAnimation(); 58 view.setVisibility(shown ? View.VISIBLE : View.GONE); 59 } 60 } 61 } 62