在這裏我有一個問題,如如何使片段快速查看尋呼機。如何使viewpager快速轉換片段?
解釋我在做什麼:
我有包含五個Web視圖和一個列表視圖,以顯示各自的data.Based上的內容計數我加載片段與各自的數據viewpager片段。實現方式明智,但視圖尋呼機的性能非常緩慢。
代碼段:
尋呼機適配器裝:
FragmentPagerAdapter mFragmentPagerAdapter = new ViewPagerAdapter(getActivity(), getChildFragmentManager(), takeExamResponse.getPayloads().getQuestions(), mFragmentNavigator, takeExamResponse.getPayloads().getType(), "finished".equals(getArguments().getString("IS_FINISHED")) ? true : false, mQuestionsFragment);
viewPager.setAdapter(mFragmentPagerAdapter);
PagerAdapter:
import android.content.Context;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import com.comquest.fragment.ViewPagerFragment;
import com.comquest.interfaces.FragmentNavigator;
import com.comquest.response.Question;
import com.comquest.utilities.EGApplication;
import java.util.List;
public class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<Question> takeExamResponse;
private final Context context;
FragmentNavigator fragmentNavigator;
String type = "";
private boolean isFinshed;
private EGApplication.Listener mListener;
public ViewPagerAdapter(Context context, FragmentManager fm, List<Question> response, FragmentNavigator fragmentNavigator, String type, boolean isFinshed, EGApplication.Listener mListener) {
super(fm);
this.takeExamResponse = response;
this.isFinshed = isFinshed;
this.context = context;
this.mListener = mListener;
this.fragmentNavigator = fragmentNavigator;
this.type = type;
}
@Override
public Fragment getItem(int position) {
return ViewPagerFragment.newInstance(context, takeExamResponse.get(position), fragmentNavigator, type, isFinshed, mListener, position);
}
@Override
public int getCount() {
return takeExamResponse.size();
}
@Override
public int getItemPosition(Object object) {
notifyDataSetChanged();
return POSITION_NONE;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
FragmentManager manager = ((Fragment) object).getFragmentManager();
FragmentTransaction trans = manager.beginTransaction();
trans.remove((Fragment) object);
trans.commit();
super.destroyItem(container, position, object);
}
}
我做的考試種類的應用程序,它針對每個考試100〜150題。當我加載30到150個問題時,使用片段應用程序變得緩慢並且有時會崩潰。
有未捕獲的異常消息
07-31 23:50:25.350 22065-22065/exam.test E/ApkAssets: Error while loading asset assets/natives_blob_64.bin: java.io.FileNotFoundException: assets/natives_blob_64.bin
07-31 23:50:25.350 22065-22065/exam.test E/ApkAssets: Error while loading asset assets/snapshot_blob_64.bin: java.io.FileNotFoundException: assets/snapshot_blob_64.bin
07-31 23:50:27.499 22065-23275/exam.test E/libEGL: validate_display:255 error 3008 (EGL_BAD_DISPLAY)
07-31 23:52:00.941 22065-22065/exam.test E/libc++abi: terminating with uncaught exception of type std::bad_alloc: std::bad_alloc
07-31 23:52:01.359 22065-22065/exam.test A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 22065
我需要一些這方面的最佳解決方案。
沒有集合,你需要使用的開發工具,以確定您的問題。使用方法跟蹤來確定您的時間花在哪裏。使用LogCat檢查與崩潰相關的Java堆棧跟蹤。等等。 – CommonsWare
@CommonsWare當我加載更多數量的碎片來查看尋呼機時,它沒有發生任何異常。 – Boopathi
@CommonsWare我已經更新了我的日誌。也沒有內存泄漏。 – Boopathi