解决“java.lang.OutOfMemoryError: Failed to allocate a allocation until OOM”错误

1.参考:解决“java.lang.OutOfMemoryError: Failed to allocate a allocation until OOM”错误_SEVENY_的博客-CSDN博客

“java.lang.OutOfMemoryError: Failed to allocate a allocation until OOM”内存溢出错误是在Android app运行的时候出现的，这可能是因为app RAM中缓存太多文件或反复实例化相同的位图和视频造成的内存不足现象，下面是我在运行时候所出现的错误。

java.lang.OutOfMemoryError: Failed to allocate a 29859852 byte allocation with 3827656 free bytes and 3MB until OOMat dalvik.system.VMRuntime.newNonMovableArray(Native Method)at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:609)at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:444)at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:1080)at android.content.res.Resources.loadDrawableForCookie(Resources.java:2635)at android.content.res.Resources.loadDrawable(Resources.java:2540)at android.content.res.TypedArray.getDrawable(TypedArray.java:870)at android.widget.ImageView.<init>(ImageView.java:152)at android.widget.ImageView.<init>(ImageView.java:140)at androidx.appcompat.widget.AppCompatImageView.<init>(AppCompatImageView.java:74)at androidx.appcompat.widget.AppCompatImageView.<init>(AppCompatImageView.java:69)at androidx.appcompat.app.AppCompatViewInflater.createImageView(AppCompatViewInflater.java:199)at androidx.appcompat.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:119)at androidx.appcompat.app.AppCompatDelegateImpl.createView(AppCompatDelegateImpl.java:1551)at androidx.appcompat.app.AppCompatDelegateImpl.onCreateView(AppCompatDelegateImpl.java:1602)at android.view.LayoutInflater$FactoryMerger.onCreateView(LayoutInflater.java:189)at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:746)at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)at android.view.LayoutInflater.rInflate(LayoutInflater.java:838)at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)at android.view.LayoutInflater.rInflate(LayoutInflater.java:838)at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)at android.view.LayoutInflater.rInflate(LayoutInflater.java:838)at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)at android.view.LayoutInflater.rInflate(LayoutInflater.java:838)at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)at android.view.LayoutInflater.inflate(LayoutInflater.java:515)at android.view.LayoutInflater.inflate(LayoutInflater.java:423)at android.view.LayoutInflater.inflate(LayoutInflater.java:374)at com.example.animationhome.fragment.MainRecommendFragment5.onCreateView(MainRecommendFragment5.java:43)at androidx.fragment.app.Fragment.performCreateView(Fragment.java:2600)at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:881)at androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManagerImpl.java:1238)at androidx.fragment.app.BackStackRecord.executeOps(BackStackRecord.java:434)at androidx.fragment.app.FragmentManagerImpl.executeOps(FragmentManagerImpl.java:2079)at androidx.fragment.app.FragmentManagerImpl.executeOpsTogether(FragmentManagerImpl.java:1869)at androidx.fragment.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManagerImpl.java:1824)at androidx.fragment.app.FragmentManagerImpl.execPendingActions(FragmentManagerImpl.java:1727)at androidx.fragment.app.FragmentManagerImpl.dispatchStateChange(FragmentManagerImpl.java:2663)at androidx.fragment.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManagerImpl.java:2613)at androidx.fragment.app.FragmentController.dispatchActivityCreated(FragmentController.java:246)at androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:542)at androidx.appcompat.app.AppCompatActivity.onStart(AppCompatActivity.java:210)at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1237)at android.app.Activity.performStart(Activity.java:6296)at android.app.ActivityThread.performLaunchActivity(ActivityThread.java

可以在androidmenifest.xml文件中更改application配置，将hardwareAccelerated设置为false，largeHeap设置为true。

android:largeHeap = "true"
android:hardwareAccelerated = "false"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">

android:hardwareAccelerated = "true"的时候会牺牲内存来加快图片的加载速度。

android:largeHeap = "false"会限制app应用申请的内存大小。

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