我有一个扩展了surfaceview的类，在几次app崩溃后，我开始了另一个活动。
这是我的LogCat：
01-02 21:37:16.332: E/AndroidRuntime(28449): FATAL EXCEPTION: main
01-02 21:37:16.332: E/AndroidRuntime(28449): java.lang.OutOfMemoryError
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:596)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:444)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:472)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:502)
01-02 21:37:16.332: E/AndroidRuntime(28449): at com.DainiusSal.simplegame.Zaisti.<init>(Zaisti.java:39)
01-02 21:37:16.332: E/AndroidRuntime(28449): at com.DainiusSal.simplegame.Leidejas.onCreate(Leidejas.java:24)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.app.Activity.performCreate(Activity.java:5372)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2257)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2349)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.app.ActivityThread.access$700(ActivityThread.java:159)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.os.Handler.dispatchMessage(Handler.java:99)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.os.Looper.loop(Looper.java:176)
01-02 21:37:16.332: E/AndroidRuntime(28449): at android.app.ActivityThread.main(ActivityThread.java:5419)
01-02 21:37:16.332: E/AndroidRuntime(28449): at java.lang.reflect.Method.invokeNative(Native Method)
01-02 21:37:16.332: E/AndroidRuntime(28449): at java.lang.reflect.Method.invoke(Method.java:525)
01-02 21:37:16.332: E/AndroidRuntime(28449): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1046)
01-02 21:37:16.332: E/AndroidRuntime(28449): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:862)
01-02 21:37:16.332: E/AndroidRuntime(28449): at dalvik.system.NativeStart.main(Native Method)
我的代码来自Zaisti.java类：
public class Zaisti extends SurfaceView implements Runnable{
Bitmap kamuolys = BitmapFactory.decodeResource(getResources(), R.drawable.green);
Bitmap kliutis = BitmapFactory.decodeResource(getResources(), R.drawable.purple);
Bitmap bg = BitmapFactory.decodeResource(getResources(), R.drawable.background);
public Zaisti(Context context) {
super(context);
// TODO Auto-generated constructor stub
laikytojas = getHolder();
}
public void pause() {
veikia = false;
if(mThread!=null){
try {
mThread.join();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
mThread = null;
}
public void resume() {
score = 0;
veikia = true;
mThread = new Thread(this);
mThread.start();
}
public void run() {
// TODO Auto-generated method stub
bg = Bitmap.createScaledBitmap(bg, width, height, false);
kamuolys = Bitmap.createScaledBitmap(kamuolys,(int) (kamuolys.getWidth()/1.5),(int) (kamuolys.getHeight()/1.5), false);
while (veikia) {
if (!laikytojas.getSurface().isValid()) {
continue;
}
Canvas drobe = laikytojas.lockCanvas();
//background
drobe.drawBitmap(bg, 0, 0, null);
drobe.drawBitmap(kamuolys, 50, yk, null);
drobe.drawBitmap(kliutis, kliuties, virsus, null);
drobe.drawBitmap(kliutis, kliuties1, virsus1, null);
drobe.drawBitmap(kliutis, kliuties2, virsus2, null);
drobe.drawBitmap(kliutis, kliuties3, virsus3, null);
if (yk > (virsus + kamuolys.getHeight()) || (yk + kamuolys.getHeight()) < virsus) {
} else {
if (50 > (kliuties + kamuolys.getWidth()) || (50 + kamuolys.getWidth()) < kliuties) {
} else {
veikia = false;
}
}
if (yk > (virsus1 + kamuolys.getHeight()) || (yk + kamuolys.getHeight()) < virsus1) {
} else {
if (50 > (kliuties1 + kamuolys.getWidth()) || (50 + kamuolys.getWidth()) < kliuties1) {
} else {
veikia = false;
}
}
if (yk > (virsus2 + kamuolys.getHeight()) || (yk + kamuolys.getHeight()) < virsus2) {
} else {
if (50 > (kliuties2 + kamuolys.getWidth()) || (50 + kamuolys.getWidth()) < kliuties2) {
} else {
veikia = false;
}
}
if (yk > (virsus3 + kamuolys.getHeight()) || (yk + kamuolys.getHeight()) < virsus3) {
} else {
if (50 > (kliuties3 + kamuolys.getWidth()) || (50 + kamuolys.getWidth()) < kliuties3) {
} else {
veikia = false;
}
}
laikytojas.unlockCanvasAndPost(drobe);
}
Intent intent = new Intent().setClass(getContext(), Pabaiga.class);
getContext().startActivity(intent);
((Activity) getContext()).finish();
}
来自Leidejas.java的代码：
public class Leidejas extends Activity implements OnTouchListener{
Zaisti vaizdas;
float y=0,y1=0;
int musicid = 0;
SoundPool sp;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
vaizdas = new Zaisti(this);
vaizdas.setOnTouchListener(this);
setContentView(vaizdas);
//load music
sp = new SoundPool(5, AudioManager.STREAM_MUSIC, 0);
musicid = sp.load(this, R.raw.kulka, 1);
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
vaizdas.pause();
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
vaizdas.resume();
}
@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
switch(event.getAction()){
case MotionEvent.ACTION_DOWN:
y = event.getY();
break;
case MotionEvent.ACTION_UP:
y1 = event.getY();
if(y<y1){
//zemyn
while(vaizdas.yk < ((vaizdas.height/2)+1)) {
vaizdas.yk += 0.0005;
}
//play sound
if(musicid!=0)
sp.play(musicid, 1, 1, 0, 0, 1);
}else if(y>y1){
//aukstyn
while(vaizdas.yk > ((vaizdas.height/2)-(vaizdas.kamuolys.getHeight()))) {
vaizdas.yk -= 0.0005;
}
//play sound
if(musicid!=0)
sp.play(musicid, 1, 1, 0, 0, 1);
}
break;
}
return true;
}
}
请帮我解决崩溃问题！
答案 0 :(得分：0)
考虑将BitmapFactory.decodeResource()替换为Bitmap.createScaledBitmap()。
如果您将多个大图片加载到内存中，您将体验OutOfMemoryException，这似乎是您的问题。使用Bitmap.createScaledBitmap()可能会减少应用的内存占用量。