因此,我制作了一个游戏应用程序,使用位图和表面视图为一个学校项目。但是这个应用本身占用了这么多的内存!!只有当你启动它时,它才能达到60 to的内存,并且你玩的越多,它得到的越高(一度它得到了90 to的内存,并且游戏非常落后)。
在观看了Google /O 2011 (CruQY55HOk)之后,我重新描述了这可能是内存泄漏,因为应用程序是这样启动的:
玩了两分钟就这样结束了:
该应用程序本身看起来尽可能简单,有8位图形和不多的颜色:
所有的图像,我使用的重量只有400 in的,所以,在地狱为什么要这么多的拉姆?!我想可能是声音,但所有声音加起来只有4.45mb的内存,相当于应用程序接收量的1/10。我知道位图占用了很多内存,但这太荒谬了!
这是我的onLoad:
public GameView(Context c) {
// TODO Auto-generated constructor stub
super(c);
this.c = c;
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
ScoreParticleP = new PointF();
NewScoreParticleP = new PointF();
int srcWidth = options.outWidth;
int srcHeight = options.outHeight;
// it=blocks.iterator();
// Decode with inSampleSize
options.inJustDecodeBounds = false;
options.inDither = false;
options.inScaled = false;
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
this.setKeepScreenOn(true);
WindowManager wm = (WindowManager) c
.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
this.screenw = display.getWidth();
this.screenh = display.getHeight();
this.differencew = (double) screenw / normalw;
this.differenceh = (double) screenh / normalh;
try{
mediaPlayer = MediaPlayer.create(c, R.raw.nyan);
while(mediaPlayer == null) {
mediaPlayer = MediaPlayer.create(c, R.raw.nyan);
}
mediaPlayer.setLooping(true);
if(mediaPlayer!=null)
mediaPlayer.start();
}
catch(Exception e){
}
try{
mediaPlayer2 = MediaPlayer.create(c, R.raw.remix);
while(mediaPlayer2==null){
mediaPlayer2 = MediaPlayer.create(c, R.raw.remix);
}
mediaPlayer2.setLooping(true);
}
catch(Exception e){
}
try{
mediaPlayer3 = MediaPlayer.create(c, R.raw.weed);
while(mediaPlayer3==null){
mediaPlayer3 = MediaPlayer.create(c, R.raw.weed);
}
mediaPlayer3.setLooping(true);
}
catch(Exception e){
}
SharedPreferences prefs2 = c.getSharedPreferences(
"Sp.game.spiceinspace", Context.MODE_PRIVATE);
counter2 = prefs2.getInt("score", 0);
this.sprite = BitmapFactory.decodeResource(getResources(),
R.drawable.sprite, options);
this.sprite = Bitmap.createScaledBitmap(sprite, sprite.getWidth() * 3,
sprite.getHeight() * 3, false);
this.heart = BitmapFactory.decodeResource(getResources(),
R.drawable.heart);
this.explosionheart=BitmapFactory.decodeResource(getResources(),
R.drawable.explosionheart);
this.heart = Bitmap.createScaledBitmap(heart, heart.getWidth() * 3,
heart.getHeight() * 3, false);
currentSpeed = new PointF(0, 0);
currentDirection = new Point(0, 0);
currentPosition = new Point(350, 350);
this.background = BitmapFactory.decodeResource(getResources(),
R.drawable.space);
this.background2=BitmapFactory.decodeResource(getResources(),
R.drawable.space2);
this.electricExplosion = BitmapFactory.decodeResource(getResources(),
R.drawable.effect_explosion);
this.normalexplison = BitmapFactory.decodeResource(getResources(),
R.drawable.effect_explosion2);
this.background = Bitmap.createScaledBitmap(background,
background.getWidth() * 5, background.getHeight() * 5, false);
this.background2 = Bitmap.createScaledBitmap(background2,
background2.getWidth() * 5, background2.getHeight() * 5, false);
this.lost = BitmapFactory.decodeResource(getResources(),
R.drawable.gameover);
this.lostNew = BitmapFactory.decodeResource(getResources(),
R.drawable.gameovernew);
lostNew = FitAllDevices(lostNew);
lost = FitAllDevices(lost);
this.alien = BitmapFactory.decodeResource(getResources(),
R.drawable.mob_alien);
this.coin = BitmapFactory.decodeResource(getResources(),
R.drawable.item_coin);
partic = BitmapFactory.decodeResource(getResources(),
R.drawable.particle_star);
fire = BitmapFactory.decodeResource(getResources(),
R.drawable.particle_fire);
smoke = BitmapFactory.decodeResource(getResources(),
R.drawable.particle_smoke);
partic = Bitmap.createScaledBitmap(partic, partic.getWidth() * 2,
partic.getHeight() * 2, false);
fire = Bitmap.createScaledBitmap(fire, fire.getWidth() * 2,
fire.getHeight() * 2, false);
smoke = Bitmap.createScaledBitmap(smoke, smoke.getWidth() * 2,
smoke.getHeight() * 2, false);
electricExplosion = Bitmap.createScaledBitmap(electricExplosion,
electricExplosion.getWidth() * 2,
electricExplosion.getHeight() * 2, false);
normalexplison = Bitmap.createScaledBitmap(normalexplison,
normalexplison.getWidth() * 3,
normalexplison.getHeight() * 3, false);
this.alien = Bitmap.createScaledBitmap(alien, alien.getWidth() * 3,
alien.getHeight() * 3, false);
asteroid = BitmapFactory.decodeResource(getResources(),
R.drawable.mob_astroid);
bomb = BitmapFactory.decodeResource(getResources(),
R.drawable.mob_spacebomb);
asteroid = Bitmap.createScaledBitmap(asteroid, asteroid.getWidth() * 3,
asteroid.getHeight() * 3, false);
bomb = Bitmap.createScaledBitmap(bomb, bomb.getWidth() * 3,
bomb.getHeight() * 3, false);
goldasteroid = BitmapFactory.decodeResource(getResources(),
R.drawable.mob_goldastroid);
goldasteroid = Bitmap.createScaledBitmap(goldasteroid,
goldasteroid.getWidth() * 3, goldasteroid.getHeight() * 3,
false);
mushroom = BitmapFactory.decodeResource(getResources(),
R.drawable.item_mushroom);
mushroom = Bitmap.createScaledBitmap(mushroom, mushroom.getWidth() * 4,
mushroom.getHeight() * 4, false);
coin = Bitmap.createScaledBitmap(coin, coin.getWidth() * 2,
coin.getHeight() * 2, false);
drug = BitmapFactory
.decodeResource(getResources(), R.drawable.item_not);
drug = Bitmap.createScaledBitmap(drug, drug.getWidth() * 4,
drug.getHeight() * 4, false);
rocket = BitmapFactory.decodeResource(getResources(),
R.drawable.item_rocket);
rocket = Bitmap.createScaledBitmap(rocket, rocket.getWidth() * 4,
rocket.getHeight() * 4, false);
electricExplosion = FitAllDevices(electricExplosion);
alien = FitAllDevices(alien);
normalexplison = FitAllDevices(normalexplison);
explosionheart = FitAllDevices(explosionheart);
mushroom = FitAllDevices(mushroom);
drug = FitAllDevices(drug);
rocket = FitAllDevices(rocket);
bomb = FitAllDevices(bomb);
asteroid = FitAllDevices(asteroid);
goldasteroid = FitAllDevices(goldasteroid);
sprite = FitAllDevices(sprite);
heart = FitAllDevices(heart);
player = new Spicy(sprite, heart);
hit = soundPool.load(c, R.raw.hit, 1);
pass = soundPool.load(c, R.raw.win, 1);
//remix = soundPool.load(c, R.raw.remix, 1);
destroy = soundPool.load(c, R.raw.destroy, 1);
aliensound = soundPool.load(c, R.raw.alien, 1);
alienexpload = soundPool.load(c, R.raw.explosion2, 1);
//particlesound = soundPool.load(c, R.raw.particle, 1);
bigexplosion=soundPool.load(c, R.raw.explosion, 1);
gameLoopThread = new GameLoopThread(this);
this.requestFocus();
this.setFocusableInTouchMode(true);
holder = getHolder();
holder.addCallback(new SurfaceHolder.Callback() {
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
boolean retry = true;
gameLoopThread.setRunning(false);
while (retry) {
try {
gameLoopThread.join();
retry = false;
} catch (InterruptedException e) {
}
}
}
public void surfaceCreated(SurfaceHolder holder) {
if (gameLoopThread.getState()==Thread.State.TERMINATED) {
gameLoopThread = new GameLoopThread(g);
}
gameLoopThread.setRunning(true);
gameLoopThread.start();
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format,
int width, int height) {
}
});
}
我做错了什么吗?我的应用程序只是一个小游戏,位图从一边出来,然后转到另一边,一开始很慢,但是你玩得越多,我就会明白如果屏幕上有很多位图,我会理解这么多内存,但是当屏幕上只有播放器和背景时,它需要60 my!
我很乐意给这个应用程序发电子邮件,让他自己看看它有多简单,但却无缘无故地花了多少钱。
编辑:
我提到这个应用程序会占用更多的内存,我知道这与我创建新的位图,然后移动它们,然后删除它们有关,你播放的次数越多,创建的位图就越多,但我尽力将它们删除,然后再循环,以确保垃圾收集器收集到它们。我想知道如何将使用量降到最低,并使我的游戏仍然是可玩的:
这就是我如何“生成”暴徒(暴民获取我在onLoad上加载的位图):
private void spawnMob() {
if (timer2 == 0) {
int mobtype = randInt(1, 40);
switch (mobtype) {
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
Mob m = new Mob(alien, MobEffect.comeback, 1);
Point p = new Point(0, 0);
p.y = randInt(0, screenh - alien.getHeight());
p.x = screenw + alien.getWidth();
spawned.put(p, m);
break;
case 16:
case 17:
case 18:
case 19:
case 20:
case 21:
case 22:
case 23:
case 24:
case 25:
case 26:
case 27:
case 28:
case 29:
case 30:
case 31:
case 32:
Mob m2 = new Mob(asteroid, MobEffect.dissapire, 0);
Point p2 = new Point(0, 0);
p2.y = randInt(0, screenh - asteroid.getHeight());
p2.x = screenw + asteroid.getWidth();
spawned.put(p2, m2);
break;
case 33:
case 34:
case 35:
case 36:
case 37:
case 38:
case 39:
Mob m3 = new Mob(goldasteroid, MobEffect.dissapire, 1);
Point p3 = new Point(0, 0);
p3.y = randInt(0, screenh - goldasteroid.getHeight());
p3.x = screenw + goldasteroid.getWidth();
spawned.put(p3, m3);
case 40:
if (counter > 3) {
Mob m4 = new Mob(bomb, MobEffect.expload, 1, 5, false,
false);
Point p4 = new Point(0, 0);
p4.y = randInt(0, screenh - bomb.getHeight());
p4.x = screenw + bomb.getWidth();
spawned.put(p4, m4);
} else {
Mob m5 = new Mob(asteroid, MobEffect.dissapire, 0);
Point p5 = new Point(0, 0);
p5.y = randInt(0, screenh - asteroid.getHeight());
p5.x = screenw + asteroid.getWidth();
spawned.put(p5, m5);
}
break;
}
if (rocketspeed >= 10) {
timer2 = randInt(1, 8);
} else {
if (bleedoff != 35) {
if (bleedoff > 1)
timer2 = randInt(35 / (int) bleedoff,
150 / (int) bleedoff);
else
timer2 = randInt(35, 150);
} else
timer2 = randInt(1, 10);
}
} else {
timer2--;
}
}
在onDraw上,我确保删除这些暴徒,这样当它们不在屏幕上时,它们就不会占用额外的内存:
Iterator<Map.Entry<Point, Mob>> spawnedEntry = spawned
.entrySet().iterator();
while (spawnedEntry.hasNext()) {
Map.Entry<Point, Mob> entry = spawnedEntry.next();
if(entry.getValue().destroycomplete||entry.getValue().dissapired){
spawnedEntry.remove();
}
else
entry.getValue().draw(canvas, entry.getKey());
也是在黑帮班:
if(!MobEffectstarted)
if(!destroycomplete)
c.drawBitmap(mob,p.x,p.y, null);
else
mob.recycle();
编辑2:
这就是eclipse的内存工具告诉我的:
确切地说是位图。
发布于 2015-03-11 07:41:32
为什么我的应用程序在启动时消耗这么多内存?
您的原始图像文件被压缩。您正在解压缩它们,并将完整的位图存储在内存中。(关于rowBytes *高度,以字节为单位;找出位图大小)您也正在调整其中的许多大小;例如,背景被缩放到原来大小的五倍。由于图像是二维的,所以内存消耗的大小是二次的。
示例:大小为500x500的图像;它在行之间分配4个字节(32位模式)。这导致位图大小为500x4x500= 1MB。
如果缩放此映像的倍数为2,则分配的内存不会增加一倍,而是:1000x4x1000= 4MB。
,我能做什么?
Bitmap.Config.RGB_565
进行解码。关于代码中的内存泄漏:
如果你是在前蜂窝测试,你需要回收任何分配的位图,因为他们可能不会从本机内存释放,否则。
https://stackoverflow.com/questions/28990100
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