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POOutOfMemory while using ViewPager in android
 

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    <p>Hi i have an issue with ViewPager i got OOM on XHDPI device while using ViewPager. Which runs perfectly on MDPI and HDPI devices.</p> <p>Here is my log cat:</p> <pre><code>12-27 17:06:11.082: E/dalvikvm-heap(10480): 3936000-byte external allocation too large for this process. 12-27 17:06:11.082: E/GraphicsJNI(10480): VM won't let us allocate 3936000 bytes 12-27 17:06:11.102: E/AndroidRuntime(10480): FATAL EXCEPTION: main 12-27 17:06:11.102: E/AndroidRuntime(10480): java.lang.OutOfMemoryError: bitmap size exceeds VM budget 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:483) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:359) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:382) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:408) 12-27 17:06:11.102: E/AndroidRuntime(10480): at com.phonethics.madhuridixitnene.MainImageFragment.bitmap(MainImageFragment.java:167) 12-27 17:06:11.102: E/AndroidRuntime(10480): at com.phonethics.madhuridixitnene.MainImageFragment.onCreateView(MainImageFragment.java:125) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.app.Fragment.performCreateView(Fragment.java:1460) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:911) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:461) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.view.ViewPager.populate(ViewPager.java:1012) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:523) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:495) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.support.v4.view.ViewPager.setCurrentItem(ViewPager.java:487) 12-27 17:06:11.102: E/AndroidRuntime(10480): at com.phonethics.madhuridixitnene.MadhuriHomeScreen$PageListener$5.run(MadhuriHomeScreen.java:666) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.os.Handler.handleCallback(Handler.java:587) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.os.Handler.dispatchMessage(Handler.java:92) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.os.Looper.loop(Looper.java:138) 12-27 17:06:11.102: E/AndroidRuntime(10480): at android.app.ActivityThread.main(ActivityThread.java:3701) 12-27 17:06:11.102: E/AndroidRuntime(10480): at java.lang.reflect.Method.invokeNative(Native Method) 12-27 17:06:11.102: E/AndroidRuntime(10480): at java.lang.reflect.Method.invoke(Method.java:507) 12-27 17:06:11.102: E/AndroidRuntime(10480): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:878) 12-27 17:06:11.102: E/AndroidRuntime(10480): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:636) 12-27 17:06:11.102: E/AndroidRuntime(10480): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>I tried recycling bitmap but event that didn't work.</p> <p>I have around 22 1280X800 resolution images which i know are quite more. But when i use them with pager it crashes after 3 or 4th swipe.</p> <p>Here is my Fragment class : </p> <pre><code>import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.media.MediaPlayer; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.ImageView; public class MainImageFragment extends Fragment{ Context context; String imgname; String animate; int tagPosition; Bitmap bm; public MainImageFragment() { } public MainImageFragment(Context context,String imgname,String animate,int position) { this.context=context; this.imgname=imgname; this.animate=animate; tagPosition=position; } @Override public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setRetainInstance(true); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub if(savedInstanceState!=null) { imgname=savedInstanceState.getString("imgName"); animate=savedInstanceState.getString("animate"); context=getActivity().getApplicationContext(); } View view=(View)inflater.inflate(R.layout.mainimagelayout,null); try { ImageView imgView=(ImageView)view.findViewById(R.id.mainImage); imgView.setTag(tagPosition); bm=bitmap(imgname); imgView.setImageBitmap(bm); // imgView.setImageDrawable(context.getResources().getDrawable(context.getResources().getIdentifier("drawable/"+imgname, "drawable",context.getPackageName()))); if(animate.equalsIgnoreCase("1")) { /*Animation anim=AnimationUtils.loadAnimation(context, R.anim.fade_in); anim.setFillAfter(true); imgView.startAnimation(anim);*/ imgView.setVisibility(View.INVISIBLE); } }catch(Exception ex) { ex.printStackTrace(); } return view; } @Override public void onActivityCreated(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onActivityCreated(savedInstanceState); if(savedInstanceState!=null) { imgname=savedInstanceState.getString("imgName"); animate=savedInstanceState.getString("animate"); } } @Override public void onSaveInstanceState(Bundle outState) { // TODO Auto-generated method stub super.onSaveInstanceState(outState); outState.putString("imgName", imgname); outState.putString("animate", animate); context=getActivity().getApplicationContext(); } private Bitmap bitmap(String name) { final Bitmap bitmap=BitmapFactory.decodeResource(getResources(), getResources().getIdentifier(name, "drawable", getActivity().getPackageName())); return bitmap; } @Override public void onDestroy() { // TODO Auto-generated method stub bm.recycle(); super.onDestroy(); } } </code></pre> <p>And here is my adapter class:</p> <pre><code>public class MainAdapter extends FragmentStatePagerAdapter { Context context; ArrayList&lt;String&gt;imgname=null; ArrayList&lt;String&gt;animate; public MainAdapter(FragmentManager fm,Context context,ArrayList&lt;String&gt;imgname,ArrayList&lt;String&gt;animate) { super(fm); // TODO Auto-generated constructor stub this.context=context; this.imgname=imgname; this.animate=animate; } @Override public Fragment getItem(int position) { // TODO Auto-generated method stub return new MainImageFragment(context, imgname.get(position),animate.get(position),position); } @Override public int getCount() { // TODO Auto-generated method stub return imgname.size(); } @Override public void destroyItem(ViewGroup container, int position, Object object) { // TODO Auto-generated method stub FragmentManager manager = ((Fragment) object).getFragmentManager(); FragmentTransaction trans = manager.beginTransaction(); trans.remove((Fragment) object); trans.commit(); super.destroyItem(container, position, object); } } </code></pre>
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