在OutOfMemoryError而Android应用程序 [英] OutOfMemoryError in android application

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本文介绍了在OutOfMemoryError而Android应用程序的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我在我的Andr​​oid应用程序之前,询问有关的OutOfMemoryError问题的帮助。因为我还没有一个解决方案但我需要再次请你指点我一个解决方案。我测试了我的应用程序在几个真正的Andr​​oid设备。但在三星Galaxy S3的Andr​​oid 4.0.4我的OutOfMemoryError问题。 logcat的消息如下。谢谢你。

I have asked for help about OutOfMemoryError problem in my android app before. Since I have not had a solution yet i need to ask you again to advice me a solution. I tested my app in several real android devices. But in Samsung Galaxy S3 android 4.0.4 I have OutOfMemoryError problem. Logcat messages are below. Thank you.

07-13 10:42:23.820: E/AndroidRuntime(2065): FATAL EXCEPTION: main
07-13 10:42:23.820: E/AndroidRuntime(2065): java.lang.OutOfMemoryError
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.graphics.Bitmap.nativeCreate(Native Method)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.graphics.Bitmap.createBitmap(Bitmap.java:605)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.graphics.Bitmap.createBitmap(Bitmap.java:551)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.graphics.Bitmap.createScaledBitmap(Bitmap.java:437)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.graphics.BitmapFactory.finishDecode(BitmapFactory.java:618)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:593)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:445)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:468)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at com.emin.avci.SeviyorSevmiyor.onCreate(SeviyorSevmiyor.java:75)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.app.Activity.performCreate(Activity.java:4562)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1053)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1934)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1995)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.app.ActivityThread.access$600(ActivityThread.java:128)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1161)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.os.Handler.dispatchMessage(Handler.java:99)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.os.Looper.loop(Looper.java:137)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at android.app.ActivityThread.main(ActivityThread.java:4514)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at java.lang.reflect.Method.invokeNative(Native Method)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at java.lang.reflect.Method.invoke(Method.java:511)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:993)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:760)
07-13 10:42:23.820: E/AndroidRuntime(2065):     at dalvik.system.NativeStart.main(Native Method)

确定这是code为在那里我的应用程序崩溃的活动。

ok This is code for the activity where my app is crashing.

`公共类SeviyorSevmiyor扩展活动实现OnTouchListener {

`public class SeviyorSevmiyor extends Activity implements OnTouchListener{

private int toastX=0,toastY=0;
private int fortuneCon;
private String toastMessage;
private String categoryName;

private ImageView activityHead;
private Vibrator shake;
private Toast toast;
private View layout;
private LayoutInflater inflater ;
private ViewGroup backgForToast;
private TextView textForToast ;

private Intent resultIntent;

private int[] leafIDs={R.id.bir,R.id.iki,R.id.uc,R.id.dort,R.id.bes,R.id.alti,R.id.yedi,
        R.id.sekiz,R.id.dokuz,R.id.on,R.id.onbir,R.id.oniki,R.id.onuc,R.id.ondort,R.id.onbes,R.id.onalti,R.id.iView1};
private int[] drwbles={R.drawable.leaf_1,R.drawable.leaf_2,R.drawable.leaf_3,R.drawable.leaf_4,R.drawable.leaf_5,R.drawable.leaf_6,
        R.drawable.leaf_7,R.drawable.leaf_8,R.drawable.leaf_9,R.drawable.leaf_10,R.drawable.leaf_11,R.drawable.leaf_12,R.drawable.leaf_13,R.drawable.leaf_14,
        R.drawable.leaf_15,R.drawable.leaf_16,R.drawable.papatya_orta};
ImageView[] leafs=new ImageView[17];
private Button leaf11_btn1,leaf11_btn2,leaf12_btn1,leaf12_btn2,leaf13_btn1,leaf13_btn2,leaf13_btn3,leaf14_btn1,leaf14_btn2,leaf15_btn1,
leaf15_btn2,leaf16_btn1,leaf1_btn1,leaf1_btn2,leaf2_btn1,leaf2_btn2,leaf3_btn1,leaf3_btn2,leaf4_btn1,leaf4_btn2,leaf5_btn1,leaf5_btn2
,leaf6_btn1,leaf6_btn2,leaf7_btn1,leaf7_btn2,leaf8_btn1,leaf8_btn2,leaf9_btn1,leaf9_btn2,leaf10_btn1,leaf10_btn2;

private Bitmap[] bmImages=new Bitmap[17];

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
        setContentView(R.layout.seviyor);

        activityHead=(ImageView) findViewById(R.id.activityhead1);
        shake = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
        BitmapFactory.Options options=new BitmapFactory.Options();


        for(int i=0;i<17;i++){
            if(bmImages[i]!=null){
                bmImages[i].recycle();
                bmImages=null;
            }
        }
        for(int i=0;i<17;i++){
            bmImages[i]=BitmapFactory.decodeResource(getResources(),drwbles[i] , options);
        }

        initilizeToastBackground();
        initilizeButtonsFor16Leafs();
        initilize16Lisener();

        resultIntent=new Intent(this,ResultFrame.class);
        fortuneCon=16;
        for(int i=0;i<17;i++){
            leafs[i]=(ImageView) findViewById(leafIDs[i]);
        }
        for(int i=0;i<17;i++){
            leafs[i].setImageBitmap(bmImages[i]);
        }


    Bundle frompreviousInent=getIntent().getExtras();
    categoryName=frompreviousInent.getString("category");
    setHeadOfActivity();
}


private void setHeadOfActivity() {
    if(categoryName.equalsIgnoreCase("seviyor")){
        activityHead.setImageResource(R.drawable.seviyor);
    }
    else if(categoryName.equalsIgnoreCase("konus")){
        activityHead.setImageResource(R.drawable.konus);
    }
    else if(categoryName.equalsIgnoreCase("ekle")){
        activityHead.setImageResource(R.drawable.ekle);
    }
    else{
        activityHead.setImageResource(R.drawable.teklif_et);
    }
}

private void initilize16Lisener() {
    leaf11_btn1.setOnTouchListener(this);
    leaf11_btn2.setOnTouchListener(this);
    leaf12_btn1.setOnTouchListener(this);
    leaf12_btn2.setOnTouchListener(this);
    leaf13_btn1.setOnTouchListener(this);
    leaf13_btn2.setOnTouchListener(this);
    leaf13_btn3.setOnTouchListener(this);
    leaf14_btn1.setOnTouchListener(this);
    leaf14_btn2.setOnTouchListener(this);
    leaf15_btn1.setOnTouchListener(this);
    leaf15_btn2.setOnTouchListener(this);
    leaf16_btn1.setOnTouchListener(this);
    leaf1_btn1.setOnTouchListener(this);
    leaf1_btn2.setOnTouchListener(this);
    leaf2_btn1.setOnTouchListener(this);
    leaf2_btn2.setOnTouchListener(this);
    leaf3_btn1.setOnTouchListener(this);
    leaf3_btn2.setOnTouchListener(this);
    leaf4_btn1.setOnTouchListener(this);
    leaf4_btn2.setOnTouchListener(this);
    leaf5_btn1.setOnTouchListener(this);
    leaf5_btn2.setOnTouchListener(this);
    leaf6_btn1.setOnTouchListener(this);
    leaf6_btn2.setOnTouchListener(this);
    leaf7_btn1.setOnTouchListener(this);
    leaf7_btn2.setOnTouchListener(this);
    leaf8_btn1.setOnTouchListener(this);
    leaf8_btn2.setOnTouchListener(this);
    leaf9_btn1.setOnTouchListener(this);
    leaf9_btn2.setOnTouchListener(this);
    leaf10_btn1.setOnTouchListener(this);
    leaf10_btn2.setOnTouchListener(this);
}

private void initilizeButtonsFor16Leafs() {
    leaf11_btn1 = (Button) findViewById(R.id.leaf11_bnt1);
    leaf11_btn2 = (Button) findViewById(R.id.leaf11_bnt2);

    leaf12_btn1 = (Button) findViewById(R.id.leaf12_bnt1);
    leaf12_btn2 = (Button) findViewById(R.id.leaf12_bnt2);

    leaf13_btn1 = (Button) findViewById(R.id.leaf13_bnt1);
    leaf13_btn2 = (Button) findViewById(R.id.leaf13_bnt2);
    leaf13_btn3 = (Button) findViewById(R.id.leaf13_bnt3);

    leaf14_btn1 = (Button) findViewById(R.id.leaf14_bnt1);
    leaf14_btn2 = (Button) findViewById(R.id.leaf14_bnt2);

    leaf15_btn1 = (Button) findViewById(R.id.leaf15_bnt1);
    leaf15_btn2 = (Button) findViewById(R.id.leaf15_bnt2);

    leaf16_btn1 = (Button) findViewById(R.id.leaf16_bnt1);

    leaf1_btn1 = (Button) findViewById(R.id.leaf1_btn1);
    leaf1_btn2 = (Button) findViewById(R.id.leaf1_btn2);

    leaf2_btn1 = (Button) findViewById(R.id.leaf2_bnt1);
    leaf2_btn2 = (Button) findViewById(R.id.leaf2_btn2);

    leaf3_btn1 = (Button) findViewById(R.id.leaf3_btn1);
    leaf3_btn2 = (Button) findViewById(R.id.leaf3_btn2);

    leaf4_btn1 = (Button) findViewById(R.id.leaf4_btn1);
    leaf4_btn2 = (Button) findViewById(R.id.leaf4_btn2);

    leaf5_btn1 = (Button) findViewById(R.id.leaf5_btn1);
    leaf5_btn2 = (Button) findViewById(R.id.leaf5_btn2);

    leaf6_btn1 = (Button) findViewById(R.id.leaf6_btn1);
    leaf6_btn2 = (Button) findViewById(R.id.leaf6_btn2);

    leaf7_btn1 = (Button) findViewById(R.id.leaf7_btn1);
    leaf7_btn2 = (Button) findViewById(R.id.leaf7_btn2);

    leaf8_btn1 = (Button) findViewById(R.id.leaf8_btn1);
    leaf8_btn2 = (Button) findViewById(R.id.leaf8_btn2);

    leaf9_btn1 = (Button) findViewById(R.id.leaf9_btn1);
    leaf9_btn2 = (Button) findViewById(R.id.leaf9_btn2);

    leaf10_btn1 = (Button) findViewById(R.id.leaf10_btn1);
    leaf10_btn2 = (Button) findViewById(R.id.leaf10_btn2);
}

public boolean onTouch(View v, MotionEvent event) {
    if(event.getAction() == MotionEvent.ACTION_DOWN){
        toast.cancel();
        this.toastX = (int) event.getRawX();
        this.toastY = (int) event.getRawY();
        switch (v.getId()) {
        case R.id.leaf11_bnt1 :
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf11();
            break;
        case R.id.leaf11_bnt2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf11();
            break;  
        case R.id.leaf12_bnt1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf12();
            break;
        case R.id.leaf12_bnt2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf12();
            break;
        case R.id.leaf13_bnt1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf13();
            break;  
        case R.id.leaf13_bnt2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf13();   
            break;
        case R.id.leaf13_bnt3:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf13();
            break;
        case R.id.leaf14_bnt1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf14();
            break;
        case R.id.leaf14_bnt2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf14();   
            break;
        case R.id.leaf15_bnt1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf15();   
            break;
        case R.id.leaf15_bnt2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf15();
            break;
        case R.id.leaf16_bnt1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf16();   
            break;
        case R.id.leaf1_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf1();
            break;
        case R.id.leaf1_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf1();
            break;
        case R.id.leaf2_bnt1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf2();
            break;
        case R.id.leaf2_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf2();
            break;
        case R.id.leaf3_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf3();
            break;
        case R.id.leaf3_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf3();
            break;
        case R.id.leaf4_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf4();
            break;
        case R.id.leaf4_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf4();
            break;
        case R.id.leaf5_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf5();
            break;
        case R.id.leaf5_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf5();
            break;
        case R.id.leaf6_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf6();
            break;
        case R.id.leaf6_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf6();
            break;
        case R.id.leaf7_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf7();
            break;
        case R.id.leaf7_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf7();
            break;
        case R.id.leaf8_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf8();
            break;
        case R.id.leaf8_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf8();
            break;
        case R.id.leaf9_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf9();
            break;
        case R.id.leaf9_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf9();
            break;
        case R.id.leaf10_btn1:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf10();
            break;
        case R.id.leaf10_btn2:
            showFortuneToast(toastX,toastY);
            shake.vibrate(40);
            clearBtnLeaf10();
            break;
        default:
            break;
        }
    }
    return false;
}

private void showFortuneToast(int toastX2, int toastY2) {   

/ * 的***的 决定哪些类别选用(seviyor-sevmiyor,ekle-ekleme,KONUS-konuşma等)的/
        如果(categoryName.equalsIgnoreCase(seviyor)){
            如果(fortuneCon%2 == 0){
                toastMessage =Seviyor;
            }
            其他{
                toastMessage =Sevmiyor;
            }
        }
        否则如果(categoryName.equalsIgnoreCase(KONUS)){
            如果(fortuneCon%2 == 0){
                toastMessage =KONUS;
            }
            其他{
                toastMessage =Konuşma;
            }
        }
        否则如果(categoryName.equalsIgnoreCase(ekle)){
            如果(fortuneCon%2 == 0){
                toastMessage =Ekle;
            }
            其他{
                toastMessage =Ekleme;
            }
        }
        否则如果(categoryName.equalsIgnoreCase(teklifet)){
            如果(fortuneCon%2 == 0){
                toastMessage =Teklif ET外星人;
            }
            其他{
                toastMessage =Teklif Etme
            }
        }

/**** decide which category is choosed (seviyor-sevmiyor, ekle-ekleme,konus-konuşma etc..)/ if(categoryName.equalsIgnoreCase("seviyor")){ if(fortuneCon%2==0){ toastMessage="Seviyor"; } else{ toastMessage="Sevmiyor"; } } else if(categoryName.equalsIgnoreCase("konus")){ if(fortuneCon%2==0){ toastMessage="Konuş"; } else{ toastMessage="Konuşma"; } } else if(categoryName.equalsIgnoreCase("ekle")){ if(fortuneCon%2==0){ toastMessage="Ekle"; } else{ toastMessage="Ekleme"; } } else if(categoryName.equalsIgnoreCase("teklifet")){ if(fortuneCon%2==0){ toastMessage="Teklif Et"; } else{ toastMessage="Teklif Etme"; } }

    textForToast.setText(toastMessage);
    toast.setGravity(Gravity.TOP|Gravity.LEFT, toastX2-90,toastY2-90);
    toast.setDuration(30);
    toast.setView(layout);
    toast.show();

    fortuneCon--;
    if(fortuneCon==0){
        toast.cancel();
        resultIntent.putExtra("result_cond", toastMessage);
        startActivity(resultIntent);
    }
}

private void initilizeToastBackground() {
    inflater = getLayoutInflater();
    backgForToast=(ViewGroup) findViewById(R.id.toast_layout_root);
    layout = inflater.inflate(R.layout.toastbackground,backgForToast);
    textForToast = (TextView) layout.findViewById(R.id.text);
    toast = new Toast(getApplicationContext());

}
private void clearBtnLeaf10() {
    leafs[9].setVisibility(View.GONE);
    leaf10_btn1.setVisibility(View.GONE);
    leaf10_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf9() {
    leafs[8].setVisibility(View.GONE);
    leaf9_btn1.setVisibility(View.GONE);
    leaf9_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf8() {
    leafs[7].setVisibility(View.GONE);
    leaf8_btn1.setVisibility(View.GONE);
    leaf8_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf7() {
    leafs[6].setVisibility(View.GONE);
    leaf7_btn1.setVisibility(View.GONE);
    leaf7_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf6() {
    leafs[5].setVisibility(View.GONE);
    leaf6_btn1.setVisibility(View.GONE);
    leaf6_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf5() {
    leafs[4].setVisibility(View.GONE);
    leaf5_btn1.setVisibility(View.GONE);
    leaf5_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf4() {
    leafs[3].setVisibility(View.GONE);
    leaf4_btn1.setVisibility(View.GONE);
    leaf4_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf3() {
    leafs[2].setVisibility(View.GONE);
    leaf3_btn1.setVisibility(View.GONE);
    leaf3_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf2() {
    leafs[1].setVisibility(View.GONE);
    leaf2_btn1.setVisibility(View.GONE);
    leaf2_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf1() {
    leafs[0].setVisibility(View.GONE);
    leaf1_btn1.setVisibility(View.GONE);
    leaf1_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf16() {
        leafs[15].setVisibility(View.GONE);
        leaf16_btn1.setVisibility(View.GONE);
}
private void clearBtnLeaf15() {
    leafs[14].setVisibility(View.GONE);
    leaf15_btn1.setVisibility(View.GONE);
    leaf15_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf14() {
    leafs[13].setVisibility(View.GONE);
    leaf14_btn1.setVisibility(View.GONE);
    leaf14_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf13() {
    leafs[12].setVisibility(View.GONE);
    leaf13_btn3.setVisibility(View.GONE);
    leaf13_btn1.setVisibility(View.GONE);
    leaf13_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf12() {
    leafs[11].setVisibility(View.GONE);
    leaf12_btn1.setVisibility(View.GONE);
    leaf12_btn2.setVisibility(View.GONE);
}
private void clearBtnLeaf11() {
    leafs[10].setVisibility(View.GONE);
    leaf11_btn1.setVisibility(View.GONE);
    leaf11_btn2.setVisibility(View.GONE);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
     if (keyCode == KeyEvent.KEYCODE_BACK) {
            Intent menuReturn=new Intent(this,MenuFrame.class);
            startActivity(menuReturn);
            }
    return super.onKeyDown(keyCode, event);
}

}

编辑:Android版本4.0.4不是4.1
`

Android version 4.0.4 not 4.1 `

推荐答案

使用下面的方法来减小图像的尺寸。你是因为大的图像尺寸的越来越OutOfMemory错误。

Use below method to reduce the size of the image. You are getting OutOfMemory error because of large image size.

public static Bitmap decodeSampledBitmapFromResource(Resources res, int resId,
        int reqWidth, int reqHeight) {

    // First decode with inJustDecodeBounds=true to check dimensions
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeResource(res, resId, options);

    // Calculate inSampleSize
    options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeResource(res, resId, options);
}

public static int calculateInSampleSize(
            BitmapFactory.Options options, int reqWidth, int reqHeight) {
    // Raw height and width of image
    final int height = options.outHeight;
    final int width = options.outWidth;
    int inSampleSize = 1;

    if (height > reqHeight || width > reqWidth) {
        if (width > height) {
            inSampleSize = Math.round((float)height / (float)reqHeight);
        } else {
            inSampleSize = Math.round((float)width / (float)reqWidth);
        }
    }
    return inSampleSize;
}

和在你的code使用像

and use in your code like

mImageView.setImageBitmap(
    decodeSampledBitmapFromResource(getResources(), R.id.myimage, 100, 100));

有关详细信息,我建议你必须阅读开发商信息通过位图效率的Andr​​oid开发者网站提供。

For more details, I suggest you to must read developer information provided by Android developer site on Bitmap efficiency.

这篇关于在OutOfMemoryError而Android应用程序的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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