Passage d'une activité à une autre avec ListView et ArrayList
Bonjour,
je veux afficher le contenu d'une "arraylist" çàd liste des produits cochés qui j'ai nommée selectedProduct dans une autre activité , ma liste final des produits cochés dans une activité
Code:
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public class ProductList extends Activity {
private SettingsListAdapter adapter;
private ExpandableListView categoriesList;
private ArrayList<Category> categories;
private ArrayList<String> selectedProduct;
protected Context mContext;
Category category;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.productlistlayout);
mContext = this;
Button button = (Button) findViewById(R.id.Listfinal);
selectedProduct = new ArrayList<>();
categoriesList = (ExpandableListView)findViewById(R.id.categories);
ArrayList<String> stringArrayList = getIntent().getStringArrayListExtra("SELECTED_LETTER");
categories = Category.getCategories(stringArrayList);
adapter = new SettingsListAdapter(this,
categories, categoriesList);
categoriesList.setAdapter(adapter);
categoriesList.setOnChildClickListener(new OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
CheckedTextView checkbox = (CheckedTextView)v.findViewById(R.id.list_item_text_child);
checkbox.toggle();
// find parent view by tag
View parentView = categoriesList.findViewWithTag(categories.get(groupPosition).name);
if(parentView != null) {
TextView sub = (TextView)parentView.findViewById(R.id.list_item_text_subscriptions);
if(sub != null) {
category = categories.get(groupPosition);
if(checkbox.isChecked()) {
// add child category to parent's selection list
category.selection.add(checkbox.getText().toString());
selectedProduct.add(checkbox.getText().toString());
// sort list in alphabetical order
Collections.sort(category.selection, new CustomComparator());
}
else {
// remove child category from parent's selection list
category.selection.remove(checkbox.getText().toString());
selectedProduct.remove(checkbox.getText().toString());
}
// display selection list
// sub.setText(selectedProduct.toString());
}
}
return true;
}
});
button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// Do something in response to button click
Intent intent = new Intent(ProductList.this, ListselectedProduct.class);
intent.putStringArrayListExtra("SELECTED_LETTER",selectedProduct );
startActivity(intent);
}
});
}
public class CustomComparator implements Comparator<String> {
@Override
public int compare(String o1, String o2) {
return o1.compareTo(o2);
}
}
} |
J'ai utilisé Get ArrayList mais ca fonctionne pas quelqu'un peut m'aider comment je puisse recuperer ,
j'ai créer une activité avec listView et .xml comme ci_dessous:
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public class ListselectedProduct extends Activity {
ArrayList<String> mListView;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.listselectedproduct);
/* mListView = (ListView) findViewById(R.id.listview);
//
Bundle b = getIntent().getExtras();
mListView = b.getStringArrayList("selectedProduct");
// selectedProduct mListView = b.getParcelable("selectedProduct");
//ArrayList<String> stringArrayList = getIntent().getStringArrayListExtra("SELECTED_LETTER");
// mListView getselectedProduct;*/
} |
Code:
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?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/listview">
</ListView>
</RelativeLayout> |
