aa0a3b6923
We were eating too many jelly beans even when the screen was off. Also clean up touch offsets, rotation on fling, and main platlogo asset. Bug: 6541052 Change-Id: I34e49b8b7a95ce6daab929885130426a5ae58dc4
425 lines
14 KiB
Java
425 lines
14 KiB
Java
/*);
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui;
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import android.animation.AnimatorSet;
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import android.animation.PropertyValuesHolder;
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import android.animation.ObjectAnimator;
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import android.animation.TimeAnimator;
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import android.app.Activity;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.drawable.AnimationDrawable;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.ColorMatrix;
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import android.graphics.ColorMatrixColorFilter;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.graphics.Point;
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import android.graphics.PorterDuffColorFilter;
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import android.graphics.PorterDuffXfermode;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.os.Handler;
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import android.os.SystemClock;
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import android.util.AttributeSet;
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import android.util.DisplayMetrics;
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import android.util.Pair;
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import android.view.Gravity;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.WindowManager;
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import android.view.animation.AnimationUtils;
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import android.widget.FrameLayout;
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import android.widget.ImageView;
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import java.util.HashMap;
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import java.util.Random;
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public class BeanBag extends Activity {
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final static boolean DEBUG = false;
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public static class Board extends FrameLayout
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{
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static Random sRNG = new Random();
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static float lerp(float a, float b, float f) {
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return (b-a)*f + a;
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}
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static float randfrange(float a, float b) {
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return lerp(a, b, sRNG.nextFloat());
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}
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static int randsign() {
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return sRNG.nextBoolean() ? 1 : -1;
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}
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static boolean flip() {
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return sRNG.nextBoolean();
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}
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static float mag(float x, float y) {
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return (float) Math.sqrt(x*x+y*y);
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}
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static float clamp(float x, float a, float b) {
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return ((x<a)?a:((x>b)?b:x));
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}
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static float dot(float x1, float y1, float x2, float y2) {
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return x1*x2+y1+y2;
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}
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static <E> E pick(E[] array) {
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if (array.length == 0) return null;
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return array[sRNG.nextInt(array.length)];
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}
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static int pickInt(int[] array) {
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if (array.length == 0) return 0;
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return array[sRNG.nextInt(array.length)];
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}
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static int NUM_BEANS = 40;
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static float MIN_SCALE = 0.2f;
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static float MAX_SCALE = 1f;
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static float LUCKY = 0.001f;
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static int MAX_RADIUS = (int)(576 * MAX_SCALE);
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static int BEANS[] = {
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R.drawable.redbean0,
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R.drawable.redbean0,
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R.drawable.redbean0,
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R.drawable.redbean0,
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R.drawable.redbean1,
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R.drawable.redbean1,
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R.drawable.redbean2,
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R.drawable.redbean2,
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R.drawable.redbeandroid,
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};
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static int COLORS[] = {
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0xFF00CC00,
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0xFFCC0000,
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0xFF0000CC,
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0xFFFFFF00,
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0xFFFF8000,
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0xFF00CCFF,
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0xFFFF0080,
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0xFF8000FF,
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0xFFFF8080,
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0xFF8080FF,
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0xFFB0C0D0,
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0xFFDDDDDD,
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0xFF333333,
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};
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public class Bean extends ImageView {
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public static final float VMAX = 1000.0f;
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public static final float VMIN = 100.0f;
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public float x, y, a;
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public float va;
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public float vx, vy;
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public float r;
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public float z;
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public int h,w;
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public boolean grabbed;
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public float grabx, graby;
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public long grabtime;
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private float grabx_offset, graby_offset;
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public Bean(Context context, AttributeSet as) {
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super(context, as);
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}
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public String toString() {
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return String.format("<bean (%.1f, %.1f) (%d x %d)>",
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getX(), getY(), getWidth(), getHeight());
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}
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private void pickBean() {
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int beanId = pickInt(BEANS);
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if (randfrange(0,1) <= LUCKY) {
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beanId = R.drawable.jandycane;
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}
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BitmapDrawable bean = (BitmapDrawable) getContext().getResources().getDrawable(beanId);
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Bitmap beanBits = bean.getBitmap();
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h=beanBits.getHeight();
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w=beanBits.getWidth();
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if (DEBUG) {
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bean.setAlpha(0x80);
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}
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this.setImageDrawable(bean);
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Paint pt = new Paint();
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final int color = pickInt(COLORS);
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ColorMatrix CM = new ColorMatrix();
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float[] M = CM.getArray();
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// we assume the color information is in the red channel
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/* R */ M[0] = (float)((color & 0x00FF0000) >> 16) / 0xFF;
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/* G */ M[5] = (float)((color & 0x0000FF00) >> 8) / 0xFF;
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/* B */ M[10] = (float)((color & 0x000000FF)) / 0xFF;
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pt.setColorFilter(new ColorMatrixColorFilter(M));
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setLayerType(View.LAYER_TYPE_HARDWARE, (beanId == R.drawable.jandycane) ? null : pt);
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}
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public void reset() {
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pickBean();
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final float scale = lerp(MIN_SCALE,MAX_SCALE,z);
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setScaleX(scale); setScaleY(scale);
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r = 0.3f*Math.max(h,w)*scale;
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a=(randfrange(0,360));
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va = randfrange(-30,30);
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vx = randfrange(-40,40) * z;
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vy = randfrange(-40,40) * z;
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final float boardh = boardHeight;
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final float boardw = boardWidth;
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//android.util.Log.d("BeanBag", "reset: w="+w+" h="+h);
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if (flip()) {
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x=(vx < 0 ? boardw+2*r : -r*4f);
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y=(randfrange(0, boardh-3*r)*0.5f + ((vy < 0)?boardh*0.5f:0));
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} else {
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y=(vy < 0 ? boardh+2*r : -r*4f);
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x=(randfrange(0, boardw-3*r)*0.5f + ((vx < 0)?boardw*0.5f:0));
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}
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}
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public void update(float dt) {
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if (grabbed) {
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// final float interval = (SystemClock.uptimeMillis() - grabtime) / 1000f;
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vx = (vx * 0.75f) + ((grabx - x) / dt) * 0.25f;
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x = grabx;
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vy = (vy * 0.75f) + ((graby - y) / dt) * 0.25f;;
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y = graby;
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} else {
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x = (x + vx * dt);
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y = (y + vy * dt);
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a = (a + va * dt);
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}
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}
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public float overlap(Bean other) {
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final float dx = (x - other.x);
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final float dy = (y - other.y);
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return mag(dx, dy) - r - other.r;
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}
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@Override
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public boolean onTouchEvent(MotionEvent e) {
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switch (e.getAction()) {
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case MotionEvent.ACTION_DOWN:
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grabbed = true;
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grabx_offset = e.getRawX() - x;
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graby_offset = e.getRawY() - y;
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va = 0;
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// fall
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case MotionEvent.ACTION_MOVE:
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grabx = e.getRawX() - grabx_offset;
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graby = e.getRawY() - graby_offset;
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grabtime = e.getEventTime();
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break;
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case MotionEvent.ACTION_CANCEL:
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case MotionEvent.ACTION_UP:
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grabbed = false;
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float a = randsign() * clamp(mag(vx, vy) * 0.33f, 0, 1080f);
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va = randfrange(a*0.5f, a);
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break;
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}
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return true;
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}
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}
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TimeAnimator mAnim;
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private int boardWidth;
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private int boardHeight;
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public Board(Context context, AttributeSet as) {
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super(context, as);
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setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
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setWillNotDraw(!DEBUG);
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}
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private void reset() {
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// android.util.Log.d("Nyandroid", "board reset");
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removeAllViews();
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final ViewGroup.LayoutParams wrap = new ViewGroup.LayoutParams(
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ViewGroup.LayoutParams.WRAP_CONTENT,
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ViewGroup.LayoutParams.WRAP_CONTENT);
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for(int i=0; i<NUM_BEANS; i++) {
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Bean nv = new Bean(getContext(), null);
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addView(nv, wrap);
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nv.z = ((float)i/NUM_BEANS);
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nv.z *= nv.z;
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nv.reset();
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nv.x = (randfrange(0, boardWidth));
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nv.y = (randfrange(0, boardHeight));
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}
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if (mAnim != null) {
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mAnim.cancel();
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}
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mAnim = new TimeAnimator();
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mAnim.setTimeListener(new TimeAnimator.TimeListener() {
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private long lastPrint = 0;
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public void onTimeUpdate(TimeAnimator animation, long totalTime, long deltaTime) {
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if (DEBUG && totalTime - lastPrint > 5000) {
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lastPrint = totalTime;
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for (int i=0; i<getChildCount(); i++) {
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android.util.Log.d("BeanBag", "bean " + i + ": " + getChildAt(i));
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}
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}
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for (int i=0; i<getChildCount(); i++) {
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View v = getChildAt(i);
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if (!(v instanceof Bean)) continue;
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Bean nv = (Bean) v;
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nv.update(deltaTime / 1000f);
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for (int j=i+1; j<getChildCount(); j++) {
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View v2 = getChildAt(j);
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if (!(v2 instanceof Bean)) continue;
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Bean nv2 = (Bean) v2;
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final float overlap = nv.overlap(nv2);
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}
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nv.setRotation(nv.a);
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nv.setX(nv.x-nv.getPivotX());
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nv.setY(nv.y-nv.getPivotY());
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if ( nv.x < - MAX_RADIUS
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|| nv.x > boardWidth + MAX_RADIUS
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|| nv.y < -MAX_RADIUS
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|| nv.y > boardHeight + MAX_RADIUS)
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{
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nv.reset();
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}
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}
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if (DEBUG) invalidate();
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}
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});
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}
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@Override
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protected void onSizeChanged (int w, int h, int oldw, int oldh) {
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super.onSizeChanged(w,h,oldw,oldh);
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boardWidth = w;
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boardHeight = h;
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// android.util.Log.d("Nyandroid", "resized: " + w + "x" + h);
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}
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public void startAnimation() {
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stopAnimation();
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if (mAnim == null) {
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post(new Runnable() { public void run() {
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reset();
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startAnimation();
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} });
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} else {
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mAnim.start();
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}
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}
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public void stopAnimation() {
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if (mAnim != null) mAnim.cancel();
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}
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@Override
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protected void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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stopAnimation();
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}
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@Override
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public boolean isOpaque() {
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return false;
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}
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@Override
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public void onDraw(Canvas c) {
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if (DEBUG) {
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//android.util.Log.d("BeanBag", "onDraw");
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Paint pt = new Paint();
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pt.setAntiAlias(true);
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pt.setStyle(Paint.Style.STROKE);
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pt.setColor(0xFFFF0000);
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pt.setStrokeWidth(4.0f);
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c.drawRect(0, 0, getWidth(), getHeight(), pt);
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pt.setColor(0xFFFFCC00);
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pt.setStrokeWidth(1.0f);
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for (int i=0; i<getChildCount(); i++) {
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Bean b = (Bean) getChildAt(i);
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final float a = (360-b.a)/180f*3.14159f;
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final float tx = b.getTranslationX();
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final float ty = b.getTranslationY();
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c.drawCircle(b.x, b.y, b.r, pt);
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c.drawCircle(tx, ty, 4, pt);
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c.drawLine(b.x, b.y, (float)(b.x+b.r*Math.sin(a)), (float)(b.y+b.r*Math.cos(a)), pt);
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}
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}
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}
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}
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private Board mBoard;
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@Override
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public void onStart() {
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super.onStart();
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getWindow().addFlags(
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WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
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| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
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);
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mBoard = new Board(this, null);
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setContentView(mBoard);
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}
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@Override
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public void onPause() {
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super.onPause();
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mBoard.stopAnimation();
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}
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@Override
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public void onResume() {
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super.onResume();
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mBoard.startAnimation();
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}
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}
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