| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.charging; |
| |
| import android.animation.AnimatorSet; |
| import android.animation.ObjectAnimator; |
| import android.animation.ValueAnimator; |
| import android.content.Context; |
| import android.util.AttributeSet; |
| import android.view.animation.PathInterpolator; |
| import android.widget.FrameLayout; |
| import android.widget.TextView; |
| |
| import com.android.systemui.Interpolators; |
| import com.android.systemui.R; |
| |
| import java.text.NumberFormat; |
| |
| /** |
| * @hide |
| */ |
| public class WirelessChargingLayout extends FrameLayout { |
| private final static int UNKNOWN_BATTERY_LEVEL = -1; |
| |
| public WirelessChargingLayout(Context context) { |
| super(context); |
| init(context, null); |
| } |
| |
| public WirelessChargingLayout(Context context, int batterylLevel) { |
| super(context); |
| init(context, null, batterylLevel); |
| } |
| |
| public WirelessChargingLayout(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| init(context, attrs); |
| } |
| |
| private void init(Context c, AttributeSet attrs) { |
| init(c, attrs, -1); |
| } |
| |
| private void init(Context context, AttributeSet attrs, int batteryLevel) { |
| final int mBatteryLevel = batteryLevel; |
| inflate(context, R.layout.wireless_charging_layout, this); |
| |
| // where the circle animation occurs: |
| final WirelessChargingView mChargingView = findViewById(R.id.wireless_charging_view); |
| |
| // amount of battery: |
| final TextView mPercentage = findViewById(R.id.wireless_charging_percentage); |
| |
| if (batteryLevel != UNKNOWN_BATTERY_LEVEL) { |
| mPercentage.setText(NumberFormat.getPercentInstance().format(mBatteryLevel / 100f)); |
| mPercentage.setAlpha(0); |
| } |
| |
| final long chargingAnimationFadeStartOffset = (long) context.getResources().getInteger( |
| R.integer.wireless_charging_fade_offset); |
| final long chargingAnimationFadeDuration = (long) context.getResources().getInteger( |
| R.integer.wireless_charging_fade_duration); |
| final int batteryLevelTextSizeStart = context.getResources().getDimensionPixelSize( |
| R.dimen.wireless_charging_anim_battery_level_text_size_start); |
| final int batteryLevelTextSizeEnd = context.getResources().getDimensionPixelSize( |
| R.dimen.wireless_charging_anim_battery_level_text_size_end); |
| |
| // Animation Scale: battery percentage text scales from 0% to 100% |
| ValueAnimator textSizeAnimator = ObjectAnimator.ofFloat(mPercentage, "textSize", |
| batteryLevelTextSizeStart, batteryLevelTextSizeEnd); |
| textSizeAnimator.setInterpolator(new PathInterpolator(0, 0, 0, 1)); |
| textSizeAnimator.setDuration((long) context.getResources().getInteger( |
| R.integer.wireless_charging_battery_level_text_scale_animation_duration)); |
| |
| // Animation Opacity: battery percentage text transitions from 0 to 1 opacity |
| ValueAnimator textOpacityAnimator = ObjectAnimator.ofFloat(mPercentage, "alpha", 0, 1); |
| textOpacityAnimator.setInterpolator(Interpolators.LINEAR); |
| textOpacityAnimator.setDuration((long) context.getResources().getInteger( |
| R.integer.wireless_charging_battery_level_text_opacity_duration)); |
| textOpacityAnimator.setStartDelay((long) context.getResources().getInteger( |
| R.integer.wireless_charging_anim_opacity_offset)); |
| |
| // Animation Opacity: battery percentage text fades from 1 to 0 opacity |
| ValueAnimator textFadeAnimator = ObjectAnimator.ofFloat(mPercentage, "alpha", 1, 0); |
| textFadeAnimator.setDuration(chargingAnimationFadeDuration); |
| textFadeAnimator.setInterpolator(Interpolators.LINEAR); |
| textFadeAnimator.setStartDelay(chargingAnimationFadeStartOffset); |
| |
| // Animation Opacity: wireless charging circle animation fades from 1 to 0 opacity |
| ValueAnimator circleFadeAnimator = ObjectAnimator.ofFloat(mChargingView, "alpha", |
| 1, 0); |
| circleFadeAnimator.setDuration(chargingAnimationFadeDuration); |
| circleFadeAnimator.setInterpolator(Interpolators.LINEAR); |
| circleFadeAnimator.setStartDelay(chargingAnimationFadeStartOffset); |
| |
| // play all animations together |
| AnimatorSet animatorSet = new AnimatorSet(); |
| animatorSet.playTogether(textSizeAnimator, textOpacityAnimator, textFadeAnimator, |
| circleFadeAnimator); |
| animatorSet.start(); |
| } |
| } |