2015-04-17 80 views
5

我想在我的android應用程序中實現啓動頁面。因此,在佈局xml中,有一個imageView和圖像文件是一個PNG文件,它是1080*1920,當運行該應用程序,它發生了一個OutOfMemoryError錯誤,我該如何解決這個問題?OutOfMemoryError:使用1080 * 1920的圖像做啓動頁面

XML文件:

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:orientation="vertical" android:layout_width="match_parent" 
    android:layout_height="match_parent"> 

    <ImageView 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     android:background="@drawable/welcome1"/> 

</LinearLayout> 

錯誤信息:

04-17 18:40:16.038 29793-29793/cn.test.android E/AndroidRuntime﹕ FATAL EXCEPTION: main 
Process: cn.test.android, PID: 29793 
java.lang.OutOfMemoryError 
     at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method) 
     at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:597) 
     at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:432) 
     at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:840) 
     at android.content.res.Resources.createFromResourceStream(Resources.java:2477) 
     at android.content.res.Resources.loadDrawable(Resources.java:2136) 
     at android.content.res.MiuiResources.loadDrawable(MiuiResources.java:320) 
     at android.content.res.Resources.getDrawable(Resources.java:710) 
     at android.widget.ImageView.resolveUri(ImageView.java:638) 
     at android.widget.ImageView.setImageResource(ImageView.java:367) 
     at cn.test.android.LandingPageActivity$1.instantiateItem(LandingPageActivity.java:40) 
     at android.support.v4.view.ViewPager.addNewItem(ViewPager.java:837) 
     at android.support.v4.view.ViewPager.populate(ViewPager.java:987) 
     at android.support.v4.view.ViewPager.populate(ViewPager.java:919) 
     at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1441) 
     at android.view.View.measure(View.java:16508) 
     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125) 
     at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404) 
     at android.widget.LinearLayout.measureVertical(LinearLayout.java:695) 
     at android.widget.LinearLayout.onMeasure(LinearLayout.java:588) 
     at android.view.View.measure(View.java:16508) 
     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125) 
     at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
     at android.view.View.measure(View.java:16508) 
     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125) 
     at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404) 
     at android.widget.LinearLayout.measureVertical(LinearLayout.java:695) 
     at android.widget.LinearLayout.onMeasure(LinearLayout.java:588) 
     at android.view.View.measure(View.java:16508) 
     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125) 
     at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
     at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2291) 
     at android.view.View.measure(View.java:16508) 
     at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1946) 
     at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1143) 
     at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1325) 
     at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1030) 
     at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5639) 
     at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761) 
     at android.view.Choreographer.doCallbacks(Choreographer.java:574) 
     at android.view.Choreographer.doFrame(Choreographer.java:544) 
     at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747) 
     at android.os.Handler.handleCallback(Handler.java:733) 
     at android.os.Handler.dispatchMessage(Handler.java:95) 
     at android.os.Looper.loop(Looper.java:136) 
     at android.app.ActivityThread.main(ActivityThread.java:5047) 
     at java.lang.reflect.Method.invokeNative(Native Method) 
     at java.lang.reflect.Method.invoke(Method.java:515) 
     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:806) 
     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:622) 
     at dalvik.system.NativeStart.main(Native Method) 
+1

這就是爲什麼你最好使用**平鋪**位圖(小得多)重疊一些文本。 –

+0

你把welcome1.png放在哪個文件夾中? –

+2

使用低分辨率圖像或使用「BitmapFactory.Options」以編程方式對其進行解碼。 – Piyush

回答

7

如果你有welcome1.pngdrawable文件夾中,將其放入drawable-nodpi

這是因爲drawable被解釋爲drawable-mdpi,所以當你在更高密度的手機上加載它時,它將被放大(成爲一個巨大的位圖)。

+0

此方法有效!謝謝:)我使用Android工作室,有四個文件夾:mipmap-hdpi,mipmap-mdpi,mipmap-xhdpi,mipmap-xxhdpi,它們可以支持哪些圖像分辨率 – user2655973

+0

這些用於新的默認啓動器圖標。我不知道它們是如何工作的,但是您可以創建一個新的drawable-nodpi文件夾並將其放在welcome1.png中。 –

1

內存分配給每個應用採用的是Android,你不應該把它給圖像就像是稀疏。

由於您的應用程序出現此錯誤,因此內存不足。

what you can do is increase cahce memory of emulator to support your memory usage. 

好,這不是精確解,儘量減少圖像分辨率,你可以擺脫這種錯誤,

1

安卓一般有圖像,尤其是大問題。這是由於應用程序允許分配的最大金額。你可以重新取樣位圖加載它們

作爲一個簡單的例子,這將減少一半圖像的尺寸:

final BitmapFactory.Options opts = new BitmapFactory.Options(); 
opts.inSampleSize = 2; 
Bitmap bm = BitmapFactory.decodeStream(is, null, opts); 
1

儘量縮小你的原始圖像(保持寬高比)比設定scaleTypeImageView RO fitCentercenterCrop

<ImageView 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:scaleType="fitCenter" 
    android:background="@drawable/welcome1"/>