質問編集履歴

コードの追加、変数の説明追加

2018/08/10 11:53

投稿

68kjo_pzdr

スコア8

test CHANGED Viewed

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test CHANGED Viewed

@@ -2,7 +2,13 @@
 ```SelectActivity
+public class SelectActivity extends AppCompatActivity {
+    private static ArrayList<Card> targetList;
-@Override
+    @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -12,7 +18,23 @@
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_select);
+        Toolbar toolbar = findViewById(R.id.tool_bar);
-        …
+        setSupportActionBar(toolbar);
+        toolbar.setTitle(R.string.choose_cards);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(true);
@@ -82,7 +104,7 @@
         MyArrayAdapter adapter = new MyArrayAdapter(
-                    this, android.R.layout.simple_list_item_multiple_choice, new ArrayList<String>(Arrays.asList(MainActivity.cardNames)), targetList, otherList);
+                    this, android.R.layout.simple_list_item_multiple_choice, new ArrayList<String>(Arrays.asList(MainActivity.cardNames)), targetList);
@@ -134,13 +156,53 @@
     }
+}
 ```
 ```MyArrayAdapter
+   public class MyArrayAdapter extends ArrayAdapter {
+    private ArrayList<String> cardNames;
+    private ArrayList<Card> targetList;
+    private TestFilter _filter;
+    public MyArrayAdapter(Context context, int resourceId, ArrayList<String> cardNames, ArrayList<Card> targetList){
+        super(context, resourceId, cardNames);
+        this.cardNames = (ArrayList<String>)cardNames.clone();
+        this.targetList = targetList;
+        this.otherList = otherList;
+    }
-   @Override
+    @Override
+    public boolean areAllItemsEnabled(){
+        return true;
+    }
+    @Override
     public View getView(int position, View convertView, ViewGroup parent){
@@ -256,4 +318,12 @@
     }
+}
 ```
+追記
+MainActivityにあるcardList(Arraylist<Card>)は、idとnameを持つCardクラスのオブジェクトの集合で、このnameのみのstring配列がcardNamesです。selectActivityから離れるときにチェックを入れていたところのCardオブジェクトの配列をtargetList(Arraylist<Card>)に入れようとしています。

タイトル更新

2018/08/10 11:52

投稿

68kjo_pzdr

スコア8

test CHANGED Viewed

	@@ -1 +1 @@
1	- チェックボックス付ListviewでSearchviewによるフィルターがかからない
1	+ [Android Studio]チェックボックス付ListviewでSearchviewによるフィルターがかからない

test CHANGED Viewed

File without changes

MyArrayAdaterのコード追記など

2018/08/08 09:09

投稿

68kjo_pzdr

スコア8

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -54,7 +54,31 @@
         });
+    @Override
+    public void onResume(){
+        super.onResume();
+        checkUpdate();
+    }
+    @Override
+    public void onPause(){
+        super.onPause();
+        resisterTargetList();
+    }
-private void setList(){
+    private void setList(){
         MyArrayAdapter adapter = new MyArrayAdapter(
@@ -82,8 +106,154 @@
             listView.setItemChecked(id, true);
-            Log.d("yeah", card.getName() + "にチェック");
-        }
+        }
+    }
+    public static void resisterTargetList(){
+        SparseBooleanArray array = listView.getCheckedItemPositions();
+        targetList.clear();
+        for(int i = 0; i < array.size(); i++){
+            int at = array.keyAt(i);
+            if(array.get(at)){
+                targetList.add(MainActivity.cardList.get(at));
+            }
+        }
+    }
 ```
+```MyArrayAdapter
+   @Override
+    public View getView(int position, View convertView, ViewGroup parent){
+        View view = super.getView(position, convertView, parent);
+        return view;
+    }
+    @Override
+    public Filter getFilter() {
+        if(_filter == null) {
+            _filter = new TestFilter();
+        }
+        return _filter;
+    }
+    public class TestFilter extends Filter {
+        @Override
+        protected FilterResults performFiltering(CharSequence constraint) {
+            SelectActivity.resisterTargetList();
+            ArrayList<String> items = new ArrayList<>();
+            if (constraint == null || constraint.length() == 0) {
+                items = new ArrayList<String>(cardNames);
+            } else {
+                // getCount及びgetItemはAdapterのメソッド
+                for(int i = 0, size = cardNames.size(); i < size; i++) {
+                    String data = cardNames.get(i);
+                    if(data.contains(constraint)) {
+                        items.add(data);
+                    }
+                }
+            }
+            FilterResults r = new FilterResults();
+            r.count = items.size();
+            r.values = items;
+            SelectActivity.checkUpdate();
+            return r;
+        }
+        @SuppressWarnings("unchecked")
+        @Override
+        protected void publishResults(CharSequence constraint, Filter.FilterResults results) {
+            // Adapterのメソッドでデータの内容を更新する
+            if(results != null && results.count > 0) {
+                List<String> items = (List<String>) results.values;
+                clear();
+                addAll(items);
+                notifyDataSetChanged();
+            } else {
+                notifyDataSetInvalidated();
+            }
+        }
+    }
+```