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POHow to fix the error OutOfMemoryError when loading Bitmap in a BaseAdapter
 

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  1. POHow to fix the error OutOfMemoryError when loading Bitmap in a BaseAdapter
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    <p>First I apologize for my bad English.</p> <p>I have an app for Android that there is an activity for product catalog. The data from the product list and pictures are downloaded in a separate routine. The only responsibility of the Activity is just load data products and their respective photo.</p> <p>To demonstrate the data was created one listview and a Custom Adapter class inheriting from BaseAdapter follows the code;</p> <p>Some considerations.</p> <ul> <li><p>The Source images have a maximum size of 500 pixels height or width.</p></li> <li><p>The maximum file size on average is 45 kb. </p></li> <li><p>The number of records is between 1200-2000</p></li> </ul> <p><strong>layout/catalogo.xml</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" &gt; &lt;GridView android:id="@+id/gv_catalogo_gridprods" android:layout_width="match_parent" android:layout_height="wrap_content" android:horizontalSpacing="5dp" android:numColumns="3" android:verticalSpacing="5dp" tools:listitem="@layout/catalogo_item" &gt; &lt;/GridView&gt; &lt;/LinearLayout&gt; </code></pre> <p><strong>layout/catalogo.xml</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/fundo_imagem_catalogo" android:orientation="vertical" &gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="5dp" android:baselineAligned="false" &gt; &lt;LinearLayout android:layout_width="50dp" android:layout_height="match_parent" android:orientation="vertical" &gt; &lt;TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/label_codigo" android:textSize="12sp" /&gt; &lt;TextView android:id="@+id/lb_catalogoitem_codigo" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/label_000" android:textStyle="bold" /&gt; &lt;/LinearLayout&gt; &lt;LinearLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" android:orientation="vertical" &gt; &lt;TextView android:id="@+id/textView3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/label_descricao" android:textSize="12sp" /&gt; &lt;TextView android:id="@+id/lb_catalogoitem_descricao" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/label_descricao" android:textStyle="bold" /&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;ImageView android:id="@+id/iv_catalogoitem_imagem" android:layout_width="100dp" android:layout_height="100dp" android:layout_gravity="center" android:baselineAligned="false" android:contentDescription="Imagem Produto" android:src="@drawable/icone_android" /&gt; &lt;LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="5dp" android:baselineAligned="false" &gt; &lt;LinearLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" android:orientation="vertical" &gt; &lt;TextView android:id="@+id/textView5" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/label_codbarras" android:textSize="12sp" /&gt; &lt;TextView android:id="@+id/lb_catalogoitem_codbarras" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/label_789000000" android:textStyle="bold" /&gt; &lt;/LinearLayout&gt; &lt;LinearLayout android:layout_width="wrap_content" android:layout_height="match_parent" android:orientation="vertical" &gt; &lt;TextView android:id="@+id/textView7" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/label_embalagem" android:textSize="12sp" /&gt; &lt;TextView android:id="@+id/lb_catalogoitem_emb" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/label_cx012" android:textStyle="bold" /&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; </code></pre> <p><strong>Adater to GridView</strong></p> <pre><code>public class AdapterImagensCatalogo extends BaseAdapter { Context contexto; List&lt;ItemCatalogo&gt; catalogo; BitmapFactory.Options optBitMap; public AdapterImagensCatalogo(Context contexto, List&lt;ItemCatalogo&gt; catalogo) { this.contexto = contexto; this.catalogo = catalogo; this.optBitMap = new BitmapFactory.Options(); this.optBitMap.inSampleSize = 10; } @Override public int getCount() { return catalogo.size(); } @Override public Object getItem(int position) { return catalogo.get(position); } @Override public long getItemId(int position) { return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { convertView = LayoutInflater.from(contexto).inflate(R.layout.catalogo_item, null); TextView tv = (TextView) convertView.findViewById(R.id.lb_catalogoitem_codigo); tv.setText(catalogo.get(position).getProduto()); tv = (TextView) convertView.findViewById(R.id.lb_catalogoitem_descricao); tv.setText(catalogo.get(position).getDescricao()); tv = (TextView) convertView.findViewById(R.id.lb_catalogoitem_codbarras); tv.setText(catalogo.get(position).getCodigoBarras()); tv = (TextView) convertView.findViewById(R.id.lb_catalogoitem_emb); tv.setText(catalogo.get(position).getEmbalagem()); ImageView imgV = (ImageView) convertView.findViewById(R.id.iv_catalogoitem_imagem); imgV.setImageBitmap(getMiniaturaImagem(catalogo.get(position).getPathArquivo())); return convertView; } private Bitmap getMiniaturaImagem(String path){ return BitmapFactory.decodeFile(path, optBitMap); } } </code></pre> <p>The problem happens when the User is browsing the list of images. especially when he makes navigation so quickly.</p> <p>Here's the LogCat Error.</p> <pre><code> 11-10 21:17:06.781: E/MessageQueue-JNI(2526): java.lang.OutOfMemoryError 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:651) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.graphics.BitmapFactory.decodeFile(BitmapFactory.java:407) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at com.cleber.myapp.adapter.AdapterImagensCatalogo.getMiniaturaImagem(AdapterImagensCatalogo.java:69) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at com.cleber.myapp.adapter.AdapterImagensCatalogo.getView(AdapterImagensCatalogo.java:62) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.widget.AbsListView.obtainView(AbsListView.java:2461) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.widget.GridView.makeAndAddView(GridView.java:1331) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.widget.GridView.makeRow(GridView.java:331) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.widget.GridView.fillDown(GridView.java:283) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.widget.GridView.fillGap(GridView.java:243) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.widget.AbsListView.trackMotionScroll(AbsListView.java:5549) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.widget.AbsListView.scrollIfNeeded(AbsListView.java:3429) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.widget.AbsListView.onTouchEvent(AbsListView.java:3921) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.View.dispatchTouchEvent(View.java:7392) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2229) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1964) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2235) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1978) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2235) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1978) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2235) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1978) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2235) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1978) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2177) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1482) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.app.Activity.dispatchTouchEvent(Activity.java:2483) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2125) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.View.dispatchPointerEvent(View.java:7577) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewRootImpl.deliverPointerEvent(ViewRootImpl.java:3376) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:3308) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:4421) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:4399) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:4505) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:178) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.os.MessageQueue.nativePollOnce(Native Method) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.os.MessageQueue.next(MessageQueue.java:125) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.os.Looper.loop(Looper.java:124) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at android.app.ActivityThread.main(ActivityThread.java:4949) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at java.lang.reflect.Method.invokeNative(Native Method) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at java.lang.reflect.Method.invoke(Method.java:511) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1043) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:810) 11-10 21:17:06.781: E/MessageQueue-JNI(2526): at dalvik.system.NativeStart.main(Native Method) 11-10 21:17:06.781: D/AndroidRuntime(2526): Shutting down VM 11-10 21:17:06.781: W/dalvikvm(2526): threadid=1: thread exiting with uncaught exception (group=0x41a892a0) 11-10 21:17:06.781: E/AndroidRuntime(2526): FATAL EXCEPTION: main 11-10 21:17:06.781: E/AndroidRuntime(2526): java.lang.OutOfMemoryError 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:651) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.graphics.BitmapFactory.decodeFile(BitmapFactory.java:407) 11-10 21:17:06.781: E/AndroidRuntime(2526): at com.cleber.myapp.adapter.AdapterImagensCatalogo.getMiniaturaImagem(AdapterImagensCatalogo.java:69) 11-10 21:17:06.781: E/AndroidRuntime(2526): at com.cleber.myapp.adapter.AdapterImagensCatalogo.getView(AdapterImagensCatalogo.java:62) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.widget.AbsListView.obtainView(AbsListView.java:2461) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.widget.GridView.makeAndAddView(GridView.java:1331) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.widget.GridView.makeRow(GridView.java:331) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.widget.GridView.fillDown(GridView.java:283) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.widget.GridView.fillGap(GridView.java:243) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.widget.AbsListView.trackMotionScroll(AbsListView.java:5549) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.widget.AbsListView.scrollIfNeeded(AbsListView.java:3429) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.widget.AbsListView.onTouchEvent(AbsListView.java:3921) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.View.dispatchTouchEvent(View.java:7392) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2229) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1964) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2235) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1978) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2235) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1978) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2235) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1978) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2235) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1978) 11-10 21:17:06.781: E/AndroidRuntime(2526): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2177) 11-10 21:17:06.781: E/AndroidRuntime(2526): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1482) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.app.Activity.dispatchTouchEvent(Activity.java:2483) 11-10 21:17:06.781: E/AndroidRuntime(2526): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2125) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.View.dispatchPointerEvent(View.java:7577) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewRootImpl.deliverPointerEvent(ViewRootImpl.java:3376) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:3308) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:4421) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:4399) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:4505) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:178) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.os.MessageQueue.nativePollOnce(Native Method) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.os.MessageQueue.next(MessageQueue.java:125) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.os.Looper.loop(Looper.java:124) 11-10 21:17:06.781: E/AndroidRuntime(2526): at android.app.ActivityThread.main(ActivityThread.java:4949) 11-10 21:17:06.781: E/AndroidRuntime(2526): at java.lang.reflect.Method.invokeNative(Native Method) 11-10 21:17:06.781: E/AndroidRuntime(2526): at java.lang.reflect.Method.invoke(Method.java:511) 11-10 21:17:06.781: E/AndroidRuntime(2526): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1043) 11-10 21:17:06.781: E/AndroidRuntime(2526): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:810) 11-10 21:17:06.781: E/AndroidRuntime(2526): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>I've tried to solve the problem with the following discuçoes here from stackoverflow, however unsuccessfully.</p> <p><a href="https://stackoverflow.com/questions/16445672/lazy-loading-image-text-for-linear-layouts">Lazy Loading (Image + Text) for Linear Layouts</a></p> <p><a href="https://stackoverflow.com/questions/9599218/lazy-image-loader-to-listview">Lazy Image Loader to ListView</a></p> <p><a href="https://stackoverflow.com/questions/541966/how-do-i-do-a-lazy-load-of-images-in-listview">Lazy load of images in ListView</a></p> <p><a href="https://stackoverflow.com/questions/12135986/custom-endless-listview-android">Custom Endless ListView Android</a></p> <p><a href="https://stackoverflow.com/questions/9599218/lazy-image-loader-to-listview">Lazy Image Loader to ListView</a></p> <p><a href="https://github.com/thest1/LazyList" rel="nofollow noreferrer">https://github.com/thest1/LazyList</a></p> <p><a href="https://github.com/nostra13/Android-Universal-Image-Loader" rel="nofollow noreferrer">https://github.com/nostra13/Android-Universal-Image-Loader</a></p> <p><a href="https://stackoverflow.com/questions/16420224/scaling-and-loading-bitmap-causes-oom-outofmemoryerror-android">Scaling and loading bitmap causes OOM (OutOfMemoryError) (Android)</a></p>
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    1. COI'd recommend simply downloading the images in a smaller size and handle clearing of bitmaps diligently.
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