1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of 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, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.charging; 18 19 import android.animation.AnimatorSet; 20 import android.animation.ObjectAnimator; 21 import android.animation.ValueAnimator; 22 import android.content.Context; 23 import android.graphics.Color; 24 import android.util.AttributeSet; 25 import android.view.animation.PathInterpolator; 26 import android.widget.FrameLayout; 27 import android.widget.TextView; 28 29 import com.android.systemui.Interpolators; 30 import com.android.systemui.R; 31 32 import java.text.NumberFormat; 33 34 /** 35 * @hide 36 */ 37 public class WirelessChargingLayout extends FrameLayout { 38 private final static int UNKNOWN_BATTERY_LEVEL = -1; 39 WirelessChargingLayout(Context context)40 public WirelessChargingLayout(Context context) { 41 super(context); 42 init(context, null, false); 43 } 44 WirelessChargingLayout(Context context, int batteryLevel, boolean isDozing)45 public WirelessChargingLayout(Context context, int batteryLevel, boolean isDozing) { 46 super(context); 47 init(context, null, batteryLevel, isDozing); 48 } 49 WirelessChargingLayout(Context context, AttributeSet attrs)50 public WirelessChargingLayout(Context context, AttributeSet attrs) { 51 super(context, attrs); 52 init(context, attrs, false); 53 } 54 init(Context c, AttributeSet attrs, boolean isDozing)55 private void init(Context c, AttributeSet attrs, boolean isDozing) { 56 init(c, attrs, -1, false); 57 } 58 init(Context context, AttributeSet attrs, int batteryLevel, boolean isDozing)59 private void init(Context context, AttributeSet attrs, int batteryLevel, boolean isDozing) { 60 final int mBatteryLevel = batteryLevel; 61 inflate(context, R.layout.wireless_charging_layout, this); 62 63 // where the circle animation occurs: 64 final WirelessChargingView mChargingView = findViewById(R.id.wireless_charging_view); 65 66 // amount of battery: 67 final TextView mPercentage = findViewById(R.id.wireless_charging_percentage); 68 69 if (isDozing) { 70 mChargingView.setPaintColor(Color.WHITE); 71 mPercentage.setTextColor(Color.WHITE); 72 } 73 74 if (batteryLevel != UNKNOWN_BATTERY_LEVEL) { 75 mPercentage.setText(NumberFormat.getPercentInstance().format(mBatteryLevel / 100f)); 76 mPercentage.setAlpha(0); 77 } 78 79 final long chargingAnimationFadeStartOffset = (long) context.getResources().getInteger( 80 R.integer.wireless_charging_fade_offset); 81 final long chargingAnimationFadeDuration = (long) context.getResources().getInteger( 82 R.integer.wireless_charging_fade_duration); 83 final float batteryLevelTextSizeStart = context.getResources().getFloat( 84 R.dimen.wireless_charging_anim_battery_level_text_size_start); 85 final float batteryLevelTextSizeEnd = context.getResources().getFloat( 86 R.dimen.wireless_charging_anim_battery_level_text_size_end); 87 88 // Animation Scale: battery percentage text scales from 0% to 100% 89 ValueAnimator textSizeAnimator = ObjectAnimator.ofFloat(mPercentage, "textSize", 90 batteryLevelTextSizeStart, batteryLevelTextSizeEnd); 91 textSizeAnimator.setInterpolator(new PathInterpolator(0, 0, 0, 1)); 92 textSizeAnimator.setDuration((long) context.getResources().getInteger( 93 R.integer.wireless_charging_battery_level_text_scale_animation_duration)); 94 95 // Animation Opacity: battery percentage text transitions from 0 to 1 opacity 96 ValueAnimator textOpacityAnimator = ObjectAnimator.ofFloat(mPercentage, "alpha", 0, 1); 97 textOpacityAnimator.setInterpolator(Interpolators.LINEAR); 98 textOpacityAnimator.setDuration((long) context.getResources().getInteger( 99 R.integer.wireless_charging_battery_level_text_opacity_duration)); 100 textOpacityAnimator.setStartDelay((long) context.getResources().getInteger( 101 R.integer.wireless_charging_anim_opacity_offset)); 102 103 // Animation Opacity: battery percentage text fades from 1 to 0 opacity 104 ValueAnimator textFadeAnimator = ObjectAnimator.ofFloat(mPercentage, "alpha", 1, 0); 105 textFadeAnimator.setDuration(chargingAnimationFadeDuration); 106 textFadeAnimator.setInterpolator(Interpolators.LINEAR); 107 textFadeAnimator.setStartDelay(chargingAnimationFadeStartOffset); 108 109 // Animation Opacity: wireless charging circle animation fades from 1 to 0 opacity 110 ValueAnimator circleFadeAnimator = ObjectAnimator.ofFloat(mChargingView, "alpha", 111 1, 0); 112 circleFadeAnimator.setDuration(chargingAnimationFadeDuration); 113 circleFadeAnimator.setInterpolator(Interpolators.LINEAR); 114 circleFadeAnimator.setStartDelay(chargingAnimationFadeStartOffset); 115 116 // play all animations together 117 AnimatorSet animatorSet = new AnimatorSet(); 118 animatorSet.playTogether(textSizeAnimator, textOpacityAnimator, textFadeAnimator, 119 circleFadeAnimator); 120 animatorSet.start(); 121 } 122 }