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当我尝试包含操作栏以设置活动标题时，我的应用程序会抛出内存不足错误。不幸的是，这些活动包含要显示的图像。我如何克服这个问题来为活动添加标题，同时在同一活动中显示图像。我已经处理了 Manifest 和 activity.xml 中的所有其他内容以显示标题。下面是代码。

 public class ScanActivity extends Activity{

 @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
    setContentView(R.layout.activity_scan);

    ActionBar actionBar=getActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setTitle("Preview");
    actionBar.setDisplayShowTitleEnabled(true);

这是错误：

  java.lang.OutOfMemoryError
        at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
        at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:683)
        at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:513)
        at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:889)
        at android.content.res.Resources.loadDrawable(Resources.java:3080)
        at android.content.res.Resources.getDrawable(Resources.java:1627)
        at com.android.internal.widget.ActionBarView.setIcon(ActionBarView.java:1037)
        at com.android.internal.policy.impl.PhoneWindow.setDefaultIcon(PhoneWindow.java:1550)
        at android.app.Activity.initActionBar(Activity.java:2017)
        at android.app.Activity.setContentView(Activity.java:2032)
        at com.example.kittu.ClientLync.ScanActivity.onCreate(ScanActivity.java:69)
        at android.app.Activity.performCreate(Activity.java:5451)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1093)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2392)
        at android.app.ActivityThread.access$900(ActivityThread.java:169)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1280)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:146)
        at android.app.ActivityThread.main(ActivityThread.java:5487)
        at java.lang.reflect.Method.invokeNative(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:515)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
        at dalvik.system.NativeStart.main(Native Method)
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