关于构造函数：如何将列表列表通过bundle传递给android中的片段意味着List<List<Bitmap>>

how to pass the list of lists means List<List<Bitmap>> through bundle to the fragment in android

基本上我使用片段，我通过创建构造函数将列表传递给片段，但是当我尝试生成签名的 apk 文件时，我得到了如下错误
(这个片段应该有一个默认的构造函数)搜索后我找到了创建 newInstance 的方法，以通过捆绑将数据传递给另一个片段
像这样...

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public static Fragment newInstance(String arg1, int arg2) {
Fragment result = new MyFragment();
Bundle args = new Bundle();
args.putString("arg1_key", arg1);
args.putInt("arg2_key", arg2);
result.setArguments(args);
return result;
}

我的代码在这里请任何建议.......

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import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Shader;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.annotation.Nullable;
import android.support.design.internal.ParcelableSparseArray;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;

import com.google.android.gms.ads.AdView;
import com.nhaarman.listviewanimations.appearance.simple.AlphaInAnimationAdapter;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Transformation;

import java.util.ArrayList;
import java.util.List;

/**
* Created by waqar on 12/01/2017.
*/

public class splashFragment extends Fragment {

private int[] HandImages = {R.drawable.hands_1, R.drawable.hands_2, R.drawable.hands_3, R.drawable.hands_4, R.drawable.hands_5,
R.drawable.hands_6, R.drawable.hands_7, R.drawable.hands_8, R.drawable.hands_9, R.drawable.hands_10,
R.drawable.hands_11, R.drawable.hands_12, R.drawable.hands_13, R.drawable.hands_14, R.drawable.hands_15,
R.drawable.foot_15};

private int[] FootImages = {R.drawable.foot_1, R.drawable.foot_2, R.drawable.foot_3, R.drawable.foot_4, R.drawable.foot_5,
R.drawable.foot_6, R.drawable.foot_7, R.drawable.foot_8, R.drawable.foot_9, R.drawable.foot_10,
R.drawable.foot_11, R.drawable.foot_12, R.drawable.foot_13, R.drawable.foot_14,
R.drawable.foot_15};

private int[] TatooImages = {R.drawable.tatoos_1, R.drawable.tatoos_2, R.drawable.tatoos_3, R.drawable.tatoos_4, R.drawable.tatoos_5,
R.drawable.tatoos_6, R.drawable.tatoos_7, R.drawable.tatoos_8, R.drawable.tatoos_9, R.drawable.tatoos_10, R.drawable.tatoos_11};

private int[] NailImages = {R.drawable.nail_1, R.drawable.nail_2, R.drawable.nail_3, R.drawable.nail_4, R.drawable.nail_5,
R.drawable.nail_6, R.drawable.nail_7, R.drawable.nail_8, R.drawable.nail_9, R.drawable.nail_10, R.drawable.nail_11};

ArrayList<Bitmap> HandsBitmapArray = new ArrayList<Bitmap>();
ArrayList<Bitmap> FootBitmapArray = new ArrayList<Bitmap>();
ArrayList<Bitmap> TatooBitmapArray = new ArrayList<Bitmap>();
ArrayList<Bitmap> NailBitmapArray = new ArrayList<Bitmap>();

ImageView imageView;

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

View view = inflater.inflate(R.layout.splash_fragment, container, false);
imageView = (ImageView) view.findViewById(R.id.imageView);

Picasso.with(getActivity()).load(R.drawable.design_12).transform(new CircleTransform()).into(imageView);

final AdView mAdView = (AdView) getActivity().findViewById(R.id.adView1);
mAdView.setVisibility(View.GONE);

if (HandImages != null && HandImages.length > 0) {
new BackGroundTask().execute();
}

return view;
}

public class CircleTransform implements Transformation {
@Override
public Bitmap transform(Bitmap source) {
int size = Math.min(source.getWidth(), source.getHeight());
float radius = size / 2f;

final Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));

Bitmap output = Bitmap.createBitmap(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
canvas.drawCircle(radius, radius, radius, paint);

if (source != output) {
source.recycle();
}

return output;
}

@Override
public String key() {
return"circle";
}
}

public class BackGroundTask extends AsyncTask<Object, Object, List<List<Bitmap>>> {
ProgressDialog progressDialog;

List<List<Bitmap>> arrayOfLists = new ArrayList<List<Bitmap>>();

@Override
protected void onPreExecute() {
super.onPreExecute();
/*progressDialog = new ProgressDialog(getActivity());
progressDialog.setMessage("Loading....");
progressDialog.setCancelable(false);
progressDialog.show();*/
}

/*@Override
protected void onProgressUpdate(Integer... values) {

progressBar.setVisibility(View.VISIBLE);
progressBar.setProgress(values[0]);
}*/

@Override
protected List<List<Bitmap>> doInBackground(Object... params) {

if (isAdded() == true) {

for (int i = 0; i < HandImages.length; i++) {

Bitmap handsImaes = BitmapFactory.decodeResource(getActivity().getResources(), HandImages[i]);
/* int bytes = byteSizeOf(largeIcon);
ByteBuffer buffer = ByteBuffer.allocate(bytes); //Create a new buffer
largeIcon.copyPixelsToBuffer(buffer); //Move the byte data to the buffer

byte[] array = buffer.array();*/

/* Bitmap b1 = BitmapFactor y.decodeByteArray(b, 0, b.length);
Bitmap bitmap = Bitmap.createScaledBitmap(b1, 120, 120, false);*/

//Bitmap bitmap = Bitmap.createScaledBitmap(largeIcon, 80, 80, true);
Bitmap HandBitmaps = getResizedBitmap(handsImaes, 80, 80);

//Bitmap bitmap = Bitmap.createScaledBitmap(largeIcon,(int)(largeIcon.getWidth()*0.1), (int)(largeIcon.getHeight()*0.1), true);
//Bitmap bitmap = scaleBitmap(largeIcon, 80, 80);
// Bitmap bitmap = decodeSampledBitmapFromResource(getResources(), images[i], 80, 80);
HandsBitmapArray.add(HandBitmaps);

}
arrayOfLists.add(HandsBitmapArray);

for (int i = 0; i < FootImages.length; i++){
Bitmap footImages = BitmapFactory.decodeResource(getActivity().getResources(), FootImages[i]);
Bitmap FootBitmaps = getResizedBitmap(footImages, 80, 80);
FootBitmapArray.add(FootBitmaps);

}
arrayOfLists.add(FootBitmapArray);

for (int i = 0; i < TatooImages.length; i++){
Bitmap footImages = BitmapFactory.decodeResource(getActivity().getResources(), TatooImages[i]);
Bitmap FootBitmaps = getResizedBitmap(footImages, 80, 80);
TatooBitmapArray .add(FootBitmaps);
}
arrayOfLists.add(TatooBitmapArray);

for (int i = 0; i < NailImages.length; i++){
Bitmap footImages = BitmapFactory.decodeResource(getActivity().getResources(), NailImages[i]);
Bitmap FootBitmaps = getResizedBitmap(footImages, 80, 80);
NailBitmapArray .add(FootBitmaps);
}
arrayOfLists.add(NailBitmapArray);
}

return arrayOfLists;
}

@Override
protected void onPostExecute(final List<List<Bitmap>> result) {
super.onPostExecute(result);

//progressDialog.dismiss();
/*new CountDownTimer(2000, 800) {

public void onTick(long millisUntilFinished) {

}

public void onFinish() {*/

//MainFragment mainFragment = newInstance(result);

MainFragment mainFragment = new MainFragment(result);
FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
fragmentTransaction.setCustomAnimations(R.anim.enter, R.anim.exit, R.anim.pop_enter, R.anim.pop_exit);
fragmentTransaction.replace(R.id.frame_lay, mainFragment,"mainFragment");
fragmentTransaction.commit();
/*}
}.start();*/

/*CustomAdapter adapter = new CustomAdapter(getActivity(), R.layout.custom_grid_row, result);

AlphaInAnimationAdapter swingRightInAnimationAdapter = new AlphaInAnimationAdapter(adapter);
swingRightInAnimationAdapter.setAbsListView(grid);
grid.setAdapter(swingRightInAnimationAdapter);*/
}
}

public static MainFragment newInstance(List<List<Bitmap>> bitmapArray)
{
MainFragment fragment = new MainFragment();
Bundle bundle = new Bundle();
bundle.putParcelableArrayList("array", bitmapArray);
fragment.setArguments(bundle);
return fragment;
}

public Bitmap getResizedBitmap(Bitmap bm, int newWidth, int newHeight) {

/* BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds = true;
o.inSampleSize = 6;*/

int width = bm.getWidth();
int height = bm.getHeight();
float scaleWidth = ((float) newWidth) / width;
float scaleHeight = ((float) newHeight) / height;
// CREATE A MATRIX FOR THE MANIPULATION
Matrix matrix = new Matrix();
// RESIZE THE BIT MAP
matrix.postScale(scaleWidth, scaleHeight);

//"RECREATE" THE NEW BITMAP
Bitmap resizedBitmap = Bitmap.createBitmap(
bm, 0, 0, width, height, matrix, false);
bm.recycle();
return resizedBitmap;
}

@Override
public void onResume() {
super.onResume();
((AppCompatActivity)getActivity()).getSupportActionBar().hide();
}
@Override
public void onStop() {
super.onStop();
((AppCompatActivity)getActivity()).getSupportActionBar().show();
}

}

我在这个函数中的错误......

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public static MainFragment newInstance(List<List<Bitmap>> bitmapArray)
{
MainFragment fragment = new MainFragment();
Bundle bundle = new Bundle();
bundle.putParcelableArrayList("array", bitmapArray);
fragment.setArguments(bundle);
return fragment;
}

编辑我喜欢的 getterSetter 类...

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public class GetterSetterForBitmaps {

public List<List<Bitmap>> HandsList;
public List<List<Bitmap>> FootsList;
public List<List<Bitmap>> TatoosLists;
public List<List<Bitmap>> NailsLists;

public List<List<Bitmap>> getHandsList() {
return HandsList;
}

public void setHandsList(List<List<Bitmap>> handsList) {
HandsList = handsList;
}

public List<List<Bitmap>> getFootsList() {
return FootsList;
}

public void setFootsList(List<List<Bitmap>> footsList) {
FootsList = footsList;
}

public List<List<Bitmap>> getTatoosLists() {
return TatoosLists;
}

public void setTatoosLists(List<List<Bitmap>> tatoosLists) {
TatoosLists = tatoosLists;
}

public List<List<Bitmap>> getNailsLists() {
return NailsLists;
}

public void setNailsLists(List<List<Bitmap>> nailsLists) {
NailsLists = nailsLists;
}
}

并像这样在 GetterSetter 中设置列??表..

1 2	GetterSetterForBitmaps getterSetterForBitmaps = new GetterSetterForBitmaps(); getterSetterForBitmaps.setHandsList(arrayOfLists);

但是当像这样从 GetterSetter 获取列表时...

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GetterSetterForBitmaps getterSetterForBitmaps = new GetterSetterForBitmaps();

List<List<Bitmap>> list = getterSetterForBitmaps.getHandsList();

它返回null???