当我在适配器内设置finish方法时，我总是收到此错误。
11-28 09:46:09.661 8636-8646/? E/art: Failed sending reply to debugger: Broken pipe
11-28 09:46:17.709 8636-8636/com.juandirection E/InputEventReceiver: Exception dispatching input event.
11-28 09:46:17.709 8636-8636/com.juandirection E/MessageQueue-JNI: Exception in MessageQueue callback: handleReceiveCallback
11-28 09:46:17.709 8636-8636/com.juandirection E/MessageQueue-JNI: java.lang.ClassCastException: com.juandirection.variables.Global cannot be cast to com.juandirection.ActivityCategorySelected
我尝试删除所有项目insde OnRatingChanged，但错误仍然相同。
public class AdapterPOI extends RecyclerView.Adapter<AdapterPOI.MainViewHolder> {
private List<ModelPoi> poiDatas;
private List<ModelImage> imageDatas;
private List<ModelComments> commentDatas;
private List<ModelFavorite> favoriteDatas;
private List<ModelAccounts> accountDatas;
private LayoutInflater inflater;
private Context context;
int viewType = 0;
int add;
int cCounter = 0;
int[] routeImg = {R.drawable.ic_resto_route, R.drawable.ic_sights_route, R.drawable.ic_transport_route, R.drawable.ic_hotel_route,
R.drawable.ic_gas_route, R.drawable.ic_school_route, R.drawable.ic_entertainment_route,
R.drawable.ic_shop_route, R.drawable.ic_atm_route, R.drawable.ic_bank_route, R.drawable.ic_hospital_route,
R.drawable.ic_pharmacy_route, R.drawable.ic_police_route, R.drawable.ic_toilet_route,};
public AdapterPOI(Context context, List<ModelPoi> poiDatas, List<ModelFavorite> favoriteDatas, List<ModelComments> commentDatas, List<ModelImage> imageDatas) {
inflater = LayoutInflater.from(context);
this.poiDatas = poiDatas;
this.context = context;
this.favoriteDatas = favoriteDatas;
this.imageDatas = imageDatas;
this.commentDatas = commentDatas;
}
@Override
public MainViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
int listViewItemType = getItemViewType(viewType);
if (listViewItemType == 0) {
return new TitleHolder(LayoutInflater.from(context).inflate(R.layout.custom_row_title, parent, false));
}
if (listViewItemType == 1 || listViewItemType == 4 || listViewItemType == 7) {
return new HeaderHolder(LayoutInflater.from(context).inflate(R.layout.headerinformation, parent, false));
}
if (listViewItemType == 2 || listViewItemType == 3 || listViewItemType == 6) {
return new MyViewHolder(LayoutInflater.from(context).inflate(R.layout.custom_row_pictext, parent, false));
}
if (listViewItemType == 5) {
return new GalleryHolder(LayoutInflater.from(context).inflate(R.layout.custom_row_photos, parent, false));
}
if (listViewItemType == 8) {
return new RatingHolder(LayoutInflater.from(context).inflate(R.layout.custom_row_rating, parent, false));
}
if (listViewItemType >= 9 && listViewItemType <= 8 + commentDatas.size()) {
return new CommentsHolder(LayoutInflater.from(context).inflate(R.layout.custom_row_comments, parent, false));
}
if (listViewItemType == 14) {
return new MyViewHolder(LayoutInflater.from(context).inflate(R.layout.custom_row_pictext, parent, false));
}
if (listViewItemType >= 9 + commentDatas.size()) {
return new TapHolder(LayoutInflater.from(context).inflate(R.layout.custom_row_taptorate, parent, false));
}
return null;
}
@Override
public void onBindViewHolder(MainViewHolder holder, int position) {
try {
if (position == 0) {
TitleHolder tHolder = (TitleHolder) holder;
tHolder.imgType.setBackgroundResource(routeImg[Global.getPosition]);
tHolder.txtTitle.setText(Global.selectedPOI);
ModelPoi poiData = (ModelPoi) getPOI(0);
tHolder.txtType.setText(poiData.POIType);
if (favoriteDatas.size() >= 1) {
tHolder.imgFavorite.setBackgroundResource(R.drawable.ic_favorite_yellow);
tHolder.txtID.setText("1");
} else {
tHolder.imgFavorite.setBackgroundResource(R.drawable.ic_favorite_white);
tHolder.txtID.setText("0");
}
float ratingBar = 0f;
for (int i = 0; i < commentDatas.size(); i++) {
ModelComments modelComments = (ModelComments) getComment(i);
ratingBar += Float.valueOf(modelComments.rating);
}
float finalRating;
finalRating = ratingBar / commentDatas.size();
tHolder.ratingBar.setRating(finalRating);
}
if (position == 1) {
HeaderHolder hHolder = (HeaderHolder) holder;
hHolder.txtInfo.setText("Information");
}
if (position == 2) {
MyViewHolder mHolder = (MyViewHolder) holder;
ModelPoi poiData = (ModelPoi) getPOI(0);
mHolder.icon.setImageResource(R.drawable.ic_information);
mHolder.title.setText(poiData.POIInfo);
mHolder.txtID.setText("0");
}
if (position == 3) {
MyViewHolder mHolder = (MyViewHolder) holder;
ModelPoi poiData = (ModelPoi) getPOI(0);
mHolder.icon.setImageResource(R.drawable.ic_place_black_36dp);
mHolder.title.setText(poiData.POIAddress);
mHolder.txtID.setText("1");
}
if (position == 4) {
HeaderHolder hHolder = (HeaderHolder) holder;
hHolder.txtInfo.setText("Photos");
}
if (position == 5) {
GalleryHolder gHolder = (GalleryHolder) holder;
AdapterGalleryViewPoi galleryViewAdapter;
galleryViewAdapter = new AdapterGalleryViewPoi(context, imageDatas);
gHolder.gallery.setAdapter(galleryViewAdapter);
final WindowManager display = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics metrics = new DisplayMetrics();
display.getDefaultDisplay().getMetrics(metrics);
ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) gHolder.gallery.getLayoutParams();
mlp.setMargins(-((metrics.widthPixels * 2 + 200) / 3), mlp.topMargin,
mlp.rightMargin, mlp.bottomMargin);
}
if (position == 6) {
MyViewHolder mHolder = (MyViewHolder) holder;
mHolder.icon.setImageResource(R.drawable.ic_local_see_black_24dp);
mHolder.title.setText("Add Photos");
mHolder.txtID.setText("2");
}
if (position == 7) {
HeaderHolder hHolder = (HeaderHolder) holder;
hHolder.txtInfo.setText("Reviews");
}
if (position == 8) {
RatingHolder mHolder = (RatingHolder) holder;
float ratingBar = 0f;
float getRate;
int progressbarE = 0, progressbarVG = 0, progressbarAVG = 0, progressbarP = 0, progressbarT = 0;
for (int i = 0; i < commentDatas.size(); i++) {
ModelComments modelComments = (ModelComments) getComment(i);
ratingBar += Float.valueOf(modelComments.rating);
getRate = Float.valueOf(modelComments.rating);
if (getRate >= 0 && getRate <= 1) {
progressbarT += getRate;
}
if (getRate > 1 && getRate <= 2) {
progressbarP += getRate;
}
if (getRate > 2 && getRate <= 3) {
progressbarAVG += getRate;
}
if (getRate > 3 && getRate <= 4) {
progressbarVG += getRate;
}
if (getRate > 4 && getRate <= 5) {
progressbarE += getRate;
}
}
mHolder.reviewTxt.setText(Global.selectedPOI);
float finalRatingBar;
finalRatingBar = ratingBar / commentDatas.size();
mHolder.ratingBarReview.setRating(finalRatingBar);
mHolder.progressbarE.setProgress(progressbarE);
mHolder.progressbarVG.setProgress(progressbarVG);
mHolder.progressbarAVG.setProgress(progressbarAVG);
mHolder.progressbarP.setProgress(progressbarP);
mHolder.progressbarT.setProgress(progressbarT);
}
if (position >= 9 && position <= 8 + commentDatas.size()) {
if (position == 9) {
cCounter = 0;
}
if (position == 10) {
cCounter = 1;
}
if (position == 11) {
cCounter = 2;
}
if (position == 12) {
cCounter = 3;
}
if (position == 13) {
cCounter = 4;
}
ModelComments modelComments = (ModelComments) getComment(cCounter);
CommentsHolder mHolder = (CommentsHolder) holder;
accountDatas = new Select().from(ModelAccounts.class)
.where(Condition.column(ModelAccounts$Table.GET_ID).is(modelComments.user_id)).queryList();
ModelAccounts modelAccounts = (ModelAccounts) getImg(0);
byte[] dataImg;
dataImg = Base64.decode(modelAccounts.img, Base64.DEFAULT);
Glide.with(context)
.load(dataImg)
.fitCenter()
.crossFade()
.into(mHolder.commentPhoto);
mHolder.commentTitle.setText(modelComments.title);
mHolder.commentDate.setText(modelComments.date);
mHolder.comments.setText(modelComments.comment);
mHolder.commentRatingbar.setRating(Float.valueOf(modelComments.rating));
mHolder.txtID.setText(modelComments.get_id);
}
if (commentDatas.size() == 5) {
if (position == 14) {
MyViewHolder mHolder = (MyViewHolder) holder;
mHolder.icon.setImageResource(R.drawable.ic_comment_black_24dp);
mHolder.title.setText("View More Comments");
mHolder.txtID.setText("3");
}
}
} catch (Exception e) {
Log.e("AdapterPOI", "" + e.toString());
}
}
public Object getImg(int position) {
return accountDatas.get(position);
}
public Object getPOI(int position) {
return poiDatas.get(position);
}
public Object getComment(int position) {
return commentDatas.get(position);
}
@Override
public int getItemCount() {
if (commentDatas.size() == 5) {
add = 16;
} else if (commentDatas.size() == 4) {
add = 14;
} else if (commentDatas.size() == 3) {
add = 13;
} else if (commentDatas.size() == 2) {
add = 12;
} else if (commentDatas.size() == 1) {
add = 11;
} else if (commentDatas.size() == 0) {
return add = 10;
}
return add;
}
@Override
public int getItemViewType(int position) {
if (position == 0) {
viewType = 0;
} else if (position == 1) {
viewType = 1;
} else if (position == 2) {
viewType = 2;
} else if (position == 3) {
viewType = 3;
} else if (position == 4) {
viewType = 4;
} else if (position == 5) {
viewType = 5;
} else if (position == 6) {
viewType = 6;
} else if (position == 7) {
viewType = 7;
} else if (position == 8) {
viewType = 8;
} else if (position == 9) {
viewType = 9;
} else if (position == 10) {
viewType = 10;
} else if (position == 11) {
viewType = 11;
} else if (position == 12) {
viewType = 12;
} else if (position == 13) {
viewType = 13;
} else if (position == 14) {
viewType = 14;
} else if (position == 15) {
viewType = 15;
}
return viewType;
}
class MyViewHolder extends MainViewHolder {
TextView title, txtID;
ImageView icon;
public MyViewHolder(View itemView) {
super(itemView);
title = (TextView) itemView.findViewById(R.id.poiName);
txtID = (TextView) itemView.findViewById(R.id.txtID);
icon = (ImageView) itemView.findViewById(R.id.poiIcon);
itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String getText = txtID.getText().toString();
String getTitle = title.getText().toString();
if (getText.equalsIgnoreCase("0")) {
Global.getInfo = getTitle;
Intent intent = new Intent(context, ViewInformation.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
if (getText.equalsIgnoreCase("1")) {
Log.e("Info", "Map");
}
if (getText.equalsIgnoreCase("2")) {
Log.e("Add Photo", "Add Photo");
}
if (getText.equalsIgnoreCase("3")) {
Global.getID = null;
Intent intent = new Intent(context, ViewComment.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
}
});
}
}
public class HeaderHolder extends MainViewHolder {
TextView txtInfo;
public HeaderHolder(View itemView) {
super(itemView);
this.txtInfo = (TextView) itemView.findViewById(R.id.txtinfo);
}
}
public class GalleryHolder extends MainViewHolder {
Gallery gallery;
public GalleryHolder(View itemView) {
super(itemView);
this.gallery = (Gallery) itemView.findViewById(R.id.gallery);
}
}
public class TapHolder extends MainViewHolder {
RatingBar ratingBar;
public TapHolder(View itemView) {
super(itemView);
this.ratingBar = (RatingBar) itemView.findViewById(R.id.tapToRate);
this.ratingBar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {
@Override
public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
Global.setRating = rating;
Intent intent = new Intent(context, ActivityReview.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
//((ActivityCategorySelected)context).finish();
}
});
}
}
public class TitleHolder extends MainViewHolder {
ImageView imgType, imgFavorite;
TextView txtTitle, txtID, txtType;
RatingBar ratingBar;
public TitleHolder(View itemView) {
super(itemView);
final View view;
view = itemView;
imgType = (ImageView) itemView.findViewById(R.id.imgType);
imgFavorite = (ImageView) itemView.findViewById(R.id.imgFavorite);
txtTitle = (TextView) itemView.findViewById(R.id.txtTitle);
txtType = (TextView) itemView.findViewById(R.id.txtType);
txtID = (TextView) itemView.findViewById(R.id.txtID);
ratingBar = (RatingBar) itemView.findViewById(R.id.ratingBar);
imgFavorite.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final String getID = txtID.getText().toString();
final String getType = txtType.getText().toString();
if (Global.getUserId == null) {
AlertDialog.Builder alertbox = new AlertDialog.Builder(v.getRootView().getContext());
alertbox.setTitle("Sign In");
alertbox.setMessage("Please Sign in your account first.");
alertbox.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
Intent intent = new Intent(context, ActivityLogin.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
});
alertbox.setNegativeButton("No",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
}
});
alertbox.show();
} else {
if (getID.equals("0")) {
AlertDialog.Builder alertbox = new AlertDialog.Builder(v.getRootView().getContext());
alertbox.setTitle("Add This place to your Favorites?");
alertbox.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
if (CheckNetwork.isNetworkAvailable(context)) {
txtID.setText("1");
imgFavorite.setBackgroundResource(R.drawable.ic_favorite_yellow);
addToFavorite(getType);
Thread timerThread = new Thread() {
public void run() {
try {
new DatabaseAsyncFavorites(context).execute();
sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
};
timerThread.start();
} else {
Snackbar.make(view, "No Internet Access. Pease Connect to the Internet.", Snackbar.LENGTH_LONG).show();
}
}
});
alertbox.setNegativeButton("No",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
}
});
alertbox.show();
} else {
AlertDialog.Builder alertbox = new AlertDialog.Builder(v.getRootView().getContext());
alertbox.setTitle("Remove this place from your Favorites?");
alertbox.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
if (CheckNetwork.isNetworkAvailable(context)) {
addToFavorite(getType);
new Delete()
.from(ModelFavorite.class)
.where(Condition.column(ModelFavorite$Table.USER_ID).is(Global.getUserId))
.and(Condition.column(ModelFavorite$Table.LATITUDE).is(Global.lat)).query();
txtID.setText("0");
imgFavorite.setBackgroundResource(R.drawable.ic_favorite_white_nav);
} else {
Snackbar.make(view, "No Internet Access. Pease Connect to the Internet.", Snackbar.LENGTH_LONG).show();
}
}
});
alertbox.setNegativeButton("No",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
}
});
alertbox.show();
}
}
}
});
}
}
public void addToFavorite(final String getType) {
RequestQueue requestQueue = Volley.newRequestQueue(context);
StringRequest request = new StringRequest(Request.Method.POST, Global.INSERT_FAV_URL, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
}) {
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> parameters = new HashMap<String, String>();
parameters.put("latitude", Global.lat);
parameters.put("user_id", Global.getUserId);
parameters.put("type", getType);
return parameters;
}
};
requestQueue.add(request);
}
public class RatingHolder extends MainViewHolder {
TextView reviewTxt;
RatingBar ratingBarReview;
ProgressBar progressbarE, progressbarVG, progressbarAVG, progressbarP, progressbarT;
public RatingHolder(View itemView) {
super(itemView);
this.reviewTxt = (TextView) itemView.findViewById(R.id.reviewTxt);
this.ratingBarReview = (RatingBar) itemView.findViewById(R.id.ratingBarReview);
this.progressbarE = (ProgressBar) itemView.findViewById(R.id.progressbarE);
this.progressbarVG = (ProgressBar) itemView.findViewById(R.id.progressbarVG);
this.progressbarAVG = (ProgressBar) itemView.findViewById(R.id.progressbarAVG);
this.progressbarP = (ProgressBar) itemView.findViewById(R.id.progressbarP);
this.progressbarT = (ProgressBar) itemView.findViewById(R.id.progressbarT);
}
}
public class CommentsHolder extends MainViewHolder {
ImageView commentPhoto;
TextView commentTitle, commentDate, comments, txtID;
RatingBar commentRatingbar;
public CommentsHolder(View itemView) {
super(itemView);
this.commentPhoto = (ImageView) itemView.findViewById(R.id.commentPhoto);
this.commentTitle = (TextView) itemView.findViewById(R.id.commentTitle);
this.commentDate = (TextView) itemView.findViewById(R.id.commentDate);
this.comments = (TextView) itemView.findViewById(R.id.comments);
this.txtID = (TextView) itemView.findViewById(R.id.txtID);
this.commentRatingbar = (RatingBar) itemView.findViewById(R.id.commentRatingbar);
itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Global.getID = txtID.getText().toString();
Intent intent = new Intent(context, ViewComment.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
});
}
}
public class MainViewHolder extends RecyclerView.ViewHolder {
public MainViewHolder(View itemView) {
super(itemView);
}
}
}
我不知道造成问题的原因。我可以在我的片段上使用相同的方法，但在此适配器中它不起作用。
答案 0 :(得分：3)
更改
adapter = new AdapterPOI(getApplicationContext(), ....)
到
adapter = new AdapterPOI(this, ....)
在您调用适配器构造函数的代码中。您收到错误是因为 getApplicationContext（）无法转换为 ActivityCategorySelected 。这是一个Application背景;而adapter期待Activity＆＃39; context。