[英]io.realm.CategoryRealmProxy cannot be cast to android.widget.ImageView
I want to save the ImageView to RealmDatabase so i try to convert it to byte[] but it seems it still read it as an ImageView or something. 我想将ImageView保存到RealmDatabase,所以我尝试将其转换为byte [],但似乎仍将其作为ImageView读取。
I wanted to save this image from my spinner the image from spinner 我想保存微调器中的该图像
here is my code onSaveExpense 这是我的代码onSaveExpense
public void onSaveExpense() {
//TODO - BITMAP EXPENSE ICONS
if (mCategoriesSpinnerAdapter.getCount() > 0 ) {
if (!Util.isEmptyField(etTotal)) {
Category currentCategory = (Category) spCategory.getSelectedItem();
String total = etTotal.getText().toString();
String description = etDescription.getText().toString();
ImageView theicon =(ImageView) spCategory.getSelectedItem();
Bitmap bitmap = ((BitmapDrawable)theicon.getDrawable()).getBitmap();
ByteArrayOutputStream imgbyte = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, imgbyte);
byte[] expenseIcons = imgbyte.toByteArray();
if (mUserActionMode == IUserActionsMode.MODE_CREATE) {
//TODO - CONSTRUCTOR expenseIcons
RealmManager.getInstance().save(new Expense(description, selectedDate,expenseIcons,mExpenseType, currentCategory, Float.parseFloat(total)), Expense.class);
} else {
Expense editExpense = new Expense();
editExpense.setId(mExpense.getId());
editExpense.setTotal(parseFloat(total));
editExpense.setDescription(description);
editExpense.setIconViewer(expenseIcons);
editExpense.setCategory(currentCategory);
editExpense.setDate(selectedDate);
RealmManager.getInstance().update(editExpense);
}
// update widget if the expense is created today
if (DateUtils.isToday(selectedDate)) {
Intent i = new Intent(getActivity(), ExpensesWidgetProvider.class);
i.setAction(ExpensesWidgetService.UPDATE_WIDGET);
getActivity().sendBroadcast(i);
}
getTargetFragment().onActivityResult(getTargetRequestCode(), Activity.RESULT_OK, null);
dismiss();
} else {
DialogManager.getInstance().showShortToast(getString(string.error_total));
}
} else {
DialogManager.getInstance().showShortToast(getString(string.no_categories_error));
}
}
here is my spinner adapter 这是我的微调适配器
public class CategoriesSpinnerAdapter extends ArrayAdapter<Category> {
Category[] categoriesList = null;
LayoutInflater inflater;
@Override
public View getView(int position, View convertView, ViewGroup parent) {
return getCustomView(position, convertView, parent);
}
public View getCustomView(int position, View convertView, ViewGroup parent) {
View row = inflater.inflate(R.layout.spinner_ui, parent, false);
Category category = categoriesList[position];
Bitmap bitmap = BitmapFactory.decodeByteArray(category.getImgico(),0,category.getImgico().length);
ImageView imgview = (ImageView)row.findViewById(R.id.spinnerimg);
TextView title = (TextView)row.findViewById(R.id.spinnertext);
title.setText(category.getName());
imgview.setImageBitmap(bitmap);
return row;
}
here is my error when clicking save button 这是我单击保存按钮时的错误
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.jmnapps.expensetracker, PID: 9610
java.lang.ClassCastException: io.realm.CategoryRealmProxy cannot be cast to android.widget.ImageView
at com.jmnapps.expensetracker.ui.expenses.NewExpenseFragment.onSaveExpense(NewExpenseFragment.java:199)
at com.jmnapps.expensetracker.ui.expenses.NewExpenseFragment.onClick(NewExpenseFragment.java:169)
at android.view.View.performClick(View.java:6294)
at android.view.View$PerformClick.run(View.java:24770)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
spCategory.getSelectedItem()
returns as Category
type so you cannot cast it to ImageView
. spCategory.getSelectedItem()
返回为Category
类型,因此无法将其spCategory.getSelectedItem()
为ImageView
。 Look at your code here: 在这里查看您的代码:
Category currentCategory = (Category) spCategory.getSelectedItem();
ImageView theicon =(ImageView) spCategory.getSelectedItem();
Have you seen the problem? 你看到问题了吗? YOu are trying to cast getSelectedItem
to different types 您正在尝试将getSelectedItem
强制转换为不同的类型
EDIT: You can change this in your onSaveExpense()
function: 编辑:您可以在onSaveExpense()
函数中更改此设置:
Category currentCategory = (Category) spCategory.getSelectedItem();
String total = etTotal.getText().toString();
String description = etDescription.getText().toString();
ImageView theicon =(ImageView) spCategory.getSelectedItem();
Bitmap bitmap = BitmapFactory.decodeByteArray(currentCategory.getImgico(),0,currentCategory.getImgico().length);
ByteArrayOutputStream imgbyte = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, imgbyte);
byte[] expenseIcons = imgbyte.toByteArray();
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.