我已经添加了简单的v7.widget.RecyclerView并简单地设置了适配器，但是在滚动列表时会突然分配，滚动无法顺利进行。实际上，我也很少使用库来快速滚动，但是没有任何效果。我在适配器内有毕加索，可在“ onBindViewHolder”中完成数据设置或处理可见性时加载图像。 如果有人有更好的解决方案而不是好心帮助我。
我已经尝试了以下所有方法，但是它们都不起作用
@BindView(R.id.rv_list)
RecyclerView rvList;
ViewCompat.setNestedScrollingEnabled(rvList, false);
rvList.setNestedScrollingEnabled(false);
rvList.setHasFixedSize(true);
rvList.setItemViewCacheSize(20);
rvList.setDrawingCacheEnabled(true);
rvList.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_HIGH);
以下是我的适配器代码：
public class RecyclerAdapter extends RecyclerView.Adapter<cadapter.RecyclerAdapter.MyViewHolder> {
Context ctx;
ArrayList<Model> Modelslist;
GlobalClass gc;
View itemView;
View parentView;
private RecyclerAdapter.RecyclerAdapterListener listener;
PrefManager prefManager;
public RecyclerAdapter(Context context, ArrayList<Model> Modelslist, RecyclerAdapter.RecyclerAdapterListener listener) {
this.Modelslist = Modelslist;
this.ctx = context;
gc = GlobalClass.getInstance();
this.listener = listener;
prefManager = new PrefManager(context);
}
@Override
public int getItemViewType(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public RecyclerAdapter.MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
itemView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.layout, parent, false);
if (itemView == null) {
parentView = new RelativeLayout(this.ctx);
} else {
parentView = (RelativeLayout) itemView;
}
return new RecyclerAdapter.MyViewHolder(itemView);
}
@Override
public void onBindViewHolder(final RecyclerAdapter.MyViewHolder holder, final int position) {
final Model cat = this.Modelslist.get(position);
holder.txtNumber.setText(cat.getNumber());
holder.txtName.setText(cat.getName());
final String flagPath = cat.getFlag();
if(cat.getForwarding1().equals("0")) {
holder.callForwardingSwitch.setChecked(true);
holder.txtCallRateVal.setText(cat.getForwardingCost());
holder.txtCallRateVal.setVisibility(View.VISIBLE);
holder.txtCallRate.setVisibility(View.VISIBLE);
holder.txtCallRateVal2.setVisibility(View.VISIBLE);
holder.txtCallRateVal2.setTextColor(ctx.getResources().getColor(R.color.text_grey));
////VISIBLE call Forwading Text
holder.txtCallRateVal.setVisibility(View.VISIBLE);
holder.txtCallRate.setVisibility(View.VISIBLE);
}else{
holder.callForwardingSwitch.setChecked(false);
////Hide call Forwading Text
holder.txtCallRateVal.setVisibility(View.INVISIBLE);
holder.txtCallRate.setVisibility(View.INVISIBLE);
holder.txtCallRateVal2.setVisibility(View.INVISIBLE);
}
holder.txtNumberDesc.setText(cat.getDetails());
holder.txtRenewDate.setText(cat.getrenewal_date());
holder.txtSetupVal.setText(cat.getcost());
holder.txtMonthlyVal.setText(cat.getmonthlycost());
String application_status= cat.getapplication_status();
System.out.println("Application status:::::: "+ application_status+" number: "+cat.getNumber());
if(application_status.equals("0")){
holder.txtStatus.setText("* Pending Approval");
holder.txtStatus.setVisibility(View.VISIBLE);
holder.txtStatus.setTextColor(ctx.getResources().getColor(R.color.account_error));
holder.txtCallRateVal.setVisibility(View.INVISIBLE);
holder.txtCallRateVal2.setVisibility(View.INVISIBLE);
holder.txtCallRate.setVisibility(View.INVISIBLE);
////////Unclicking Highlight Delete and call Forwarding
holder.Delete.setBackgroundResource(R.drawable.number_delete_gray);
holder.Delete.setClickable(false);
holder.callForwardingSwitch.setChecked(false);
holder.callForwardingSwitch.setClickable(false);
// holder.callForwardingSwitch.setHighlightColor(ctx.getResources().getColor(R.color.text_dark_grey));
/////////Visible Tag
holder.rel__number_status.setVisibility(View.VISIBLE);
holder.rel__number_status.setBackground(ctx.getDrawable(R.drawable._submitted_tag));
holder.txtNumberStatus.setText("Registration Submitted *");
/////// Hide Renew Date:
holder.txtRenew.setVisibility(View.GONE);
holder.txtRenewDate.setVisibility(View.GONE);
}else if(application_status.equals("1")){
holder.txtStatus.setText("Click here to complete number registration");
holder.txtStatus.setVisibility(View.VISIBLE);
/////////Visible Tag
holder.rel__number_status.setVisibility(View.VISIBLE);
holder.rel__number_status.setBackground(ctx.getDrawable(R.drawable._saved_tag));
holder.txtNumberStatus.setText("Registration Incomplete");
/////// Hide Renew Date:
holder.txtRenew.setVisibility(View.GONE);
holder.txtRenewDate.setVisibility(View.GONE);
holder.txtStatus.setTextColor(ctx.getResources().getColor(R.color.app_header));
}else if(application_status.equals("2")){//////Approved///
//holder.txtStatus.setText("Approved");
holder.txtStatus.setVisibility(View.VISIBLE);
holder.txtStatus.setText("Active");
holder.txtStatus.setTextColor(ctx.getResources().getColor(R.color.green600));
/////////Hide Tag
holder.rel__number_status.setVisibility(View.INVISIBLE);
holder.txtSetupVal.setVisibility(View.GONE);
holder.txtSetup.setVisibility(View.GONE);
/////// VISIBLE Renew Date:
holder.txtRenew.setVisibility(View.VISIBLE);
holder.txtRenewDate.setVisibility(View.VISIBLE);
}else if(application_status.equals("3")){///// Rejected///
//holder.txtStatus.setText("Rejected");
/////////Hide Tag
holder.txtStatus.setVisibility(View.INVISIBLE);
holder.rel__number_status.setVisibility(View.INVISIBLE);
/////// VISIBLE Renew Date:
holder.txtRenew.setVisibility(View.VISIBLE);
holder.txtRenewDate.setVisibility(View.VISIBLE);
}else{
if(cat.getLocal().equals("1") && cat.getAddress().equals("1")
&& cat.getPhoto().equals("1") && cat.getapplication_status().equals("-1")){
holder.txtStatus.setVisibility(View.VISIBLE);
holder.txtStatus.setText("Active");
holder.txtStatus.setTextColor(ctx.getResources().getColor(R.color.green600));
holder.rel__number_status.setVisibility(View.INVISIBLE);
holder.txtSetupVal.setVisibility(View.GONE);
holder.txtSetup.setVisibility(View.GONE);
}else{
holder.txtStatus.setText("");
/////////Hide Tag
holder.txtStatus.setVisibility(View.INVISIBLE);
holder.rel__number_status.setVisibility(View.INVISIBLE);
}
}
System.out.println("Flag::::::::::: "+ flagPath);
/*Picasso.with(ctx)
.load(flagPath) // thumbnail url goes here
.into(holder.CountryFlagim, new Callback() {
@Override
public void onSuccess() {
Picasso.with(ctx)
.load(flagPath) // image url goes here
.placeholder(holder.CountryFlagim.getDrawable())
.into(holder.CountryFlagim);
}
@Override
public void onError() {
}
});*/
Glide
.with(ctx)
.load(flagPath)
.centerCrop()
.placeholder(holder.CountryFlagim.getDrawable())
.into(holder.CountryFlagim);
//Picasso.with(ctx).load(flagPath).into(holder.CountryFlagim);
applyClickEvents(holder,position);
}
@Override
public int getItemCount() {
if (this.Modelslist != null) {
return this.Modelslist.size();
} else {
return 0;
}
}
private void applyClickEvents(final RecyclerAdapter.MyViewHolder holder, final int position) {
holder.mainFrame.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
listener.moveToDetailScreen(position);
}
});
holder.Delete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
final Model cat = Modelslist.get(position);
}
});
holder.callForwardingSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
System.out.println("Call forwarding switch: "+ b);
}
});
}
public interface NumberListAdapterListener {
void deleteItem(int position);
void moveToDetailScreen(int position);
}
public class MyViewHolder extends RecyclerView.ViewHolder {
RelativeLayout rel__number,rel__setup,rel__number_status;
ImageView CountryFlagim;
TextView txtNumber, txtName;
SwitchCompat callForwardingSwitch;
TextView txtNumberDesc;
TextView txtSetupVal, txtSetup;
TextView txtMonthlyVal;
TextView txtCallRateVal, txtCallRateVal2, txtCallRate;
TextView txtStatus;
TextView txtNumberStatus, txtRenewDate, txtRenew;
Button Delete;
RelativeLayout mainFrame;
public MyViewHolder(View v) {
super(v);
rel__number = (RelativeLayout) v.findViewById(R.id.rel__number);
rel__setup = (RelativeLayout) v.findViewById(R.id.rel__setup);
rel__number_status = (RelativeLayout) v.findViewById(R.id.rel__number_status);
CountryFlagim = (ImageView) v.findViewById(R.id.CountryFlagim);
txtNumber = (TextView) v.findViewById(R.id.txtNumber);
txtName = (TextView) v.findViewById(R.id.txtName);
txtNumberDesc = (TextView) v.findViewById(R.id.txtNumberDesc);
txtSetupVal = (TextView) v.findViewById(R.id.txtSetupVal);
txtSetup = (TextView) v.findViewById(R.id.txtSetup);
txtMonthlyVal = (TextView) v.findViewById(R.id.txtMonthlyVal);
txtCallRate = (TextView) v.findViewById(R.id.txtCallRate);
txtCallRateVal = (TextView) v.findViewById(R.id.txtCallRateVal);
txtCallRateVal2 = (TextView) v.findViewById(R.id.txtCallRateVal2) ;
txtStatus = (TextView) v.findViewById(R.id.txtStatus);
txtNumberStatus = (TextView) v.findViewById(R.id.txtNumberStatus);
Delete = (Button) v.findViewById(R.id.Delete);
callForwardingSwitch = (SwitchCompat) v.findViewById(R.id.callForwardingSwitch);
mainFrame = (RelativeLayout) v.findViewById(R.id.mainFrame);
txtRenewDate = (TextView) v.findViewById(R.id.txtRenewDate);
txtRenew = (TextView) v.findViewById(R.id.txtRenew);
}
}
}
答案 0 :(得分：0)
您可以尝试Glide。 Glide无法加载完整尺寸的图片，并且使用的内存更少，应该比毕加索更快。