編集履歴

質問編集履歴

コードを追記

2016/10/21 06:16

投稿

intenseG

スコア34

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -46,13 +46,9 @@
 ```Java
-public class GoDataAdapter extends ArrayAdapter<GoData> {
-    private LayoutInflater mLayoutInflater;
+------------省略----------------
-    private ArrayList<GoData> mGoDataArrayList;
@@ -114,57 +110,157 @@
+###追記
 ProblemList.java
 ```Java
-public class ProblemList extends AppCompatActivity{
-    public static final String EXTRA_GODATA = "com.example.oubeika.tsumegonomori.Problem";
-    private ListView mListView;
+------------省略----------------
-    private GoDataAdapter mGoDataAdapter;
-    private Realm mRealm;
-    private RealmResults<GoData> mGoDataRealmResults;
-    private RealmChangeListener mRealmListener = new RealmChangeListener() {
-        @Override
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.problem_list);
+        //Realmの設定
+        mRealm = Realm.getDefaultInstance();
+        mRealm.addChangeListener(mRealmListener);
+        mGoDataRealmResults = mRealm.where(GoData.class).findAll(); //ここでdata : size = 1になった
+        //ListViewの設定
+        mListView = (ListView) findViewById(R.id.listView1);
+        //ListViewをタップしたときの処理
+        mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int pos, long id) {
+                GoData goData = (GoData) parent.getAdapter().getItem(pos);
+                Intent intent = new Intent(ProblemList.this, Problem.class);
+                intent.putExtra(EXTRA_GODATA, goData);
+                startActivity(intent);
+            }
+        });
+    }
+    @Override
-        public void onChange(Object element) {
+    public void onResume() {
+        super.onResume();
+        if (mGoDataAdapter == null) {
+            List<GoData> dataList = null;
+            try {
+                dataList = loadGoData();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            mGoDataAdapter = new GoDataAdapter(this);
+            mGoDataAdapter.setGoData(dataList);
-            reloadListView();
+            //ListViewに表示
+            mListView.setAdapter(mGoDataAdapter);
+            mGoDataAdapter.notifyDataSetChanged();
         }
+        addGoData();
+        reloadListView();
-    };
+    }
     @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mRealm.close();
+    }
+    public List<GoData> loadGoData() throws IOException {
+        loadJsonFromStream();
+        return mRealm.where(GoData.class).findAll();
+    }
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
+    private void loadJsonFromStream() throws IOException {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.problem_list);
-        // ファイルの読み込み
-        InputStream is;
         BufferedReader br;
@@ -172,10 +268,14 @@
+        InputStream is = getAssets().open("sgfdata.json");
+        mRealm.beginTransaction();
         try {
-            is = this.getAssets().open("sgfdata.json");
             br = new BufferedReader((new InputStreamReader(is)));
             String s;
@@ -186,33 +286,21 @@
             }
-            // Json読み込み
             JSONObject jsonObject = new JSONObject(json);
-            // 問題データ追加
-            //JSONArray easy = problems.getJSONArray("easy");
             ZahyoChanger changer = new ZahyoChanger();
-            JSONArray normal = jsonObject.getJSONObject("problems").getJSONArray("normal");
+            JSONArray normal_problem = jsonObject.getJSONObject("problems").getJSONArray("normal");
-            for (int i = 0; i < normal.length(); i++) {
+            for (int i = 0; i < normal_problem.length(); i++) {
-                String value1 = normal.getString(i);
+                String value1 = normal_problem.getString(i);
                 changer.GoDataSeparate(value1);
-                Log.d(TAG, "value1は " + value1 + " です!");
-            }
+            }
-            //答えデータ追加
-            //JSONArray easy_answers = answers.getJSONArray("easy");
             JSONArray normal_answers = jsonObject.getJSONObject("answers").getJSONArray("normal");
@@ -222,166 +310,104 @@
                 changer.GoDataSeparate(value2);
-                Log.d(TAG, "value2は " + value2 + " です!");
+                mRealm.createAllFromJson(GoData.class, is);
+                mRealm.commitTransaction();
             }
         } catch (IOException | JSONException e) {
-            e.printStackTrace();
+            mRealm.cancelTransaction();
+        } finally {
+            if (is != null) {
+                is.close();
+            }
         }
-        //Realmの設定
-        mRealm = Realm.getDefaultInstance();
-        mGoDataRealmResults = mRealm.where(GoData.class).findAll();
-        //mGoDataRealmResults.sort("date", Sort.DESCENDING);
-        mRealm.addChangeListener(mRealmListener);
-        //ListViewの設定
-        mGoDataAdapter = new GoDataAdapter(getApplicationContext());
-        mListView = (ListView) findViewById(R.id.listView1);
-        //ListViewをタップしたときの処理
-        mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
-            @Override
-            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-                GoData goData = (GoData) parent.getAdapter().getItem(position);
-                Intent intent = new Intent(ProblemList.this, Problem.class);
-                intent.putExtra(EXTRA_GODATA, goData);
-                startActivity(intent);
-            }
+    }
+    private void reloadListView() {
+        ArrayList<GoData> goDataArrayList = new ArrayList<>();
+        int[] icons = {
+                R.mipmap.ic_launcher,
+                R.mipmap.ic_launcher
-        });
+        };
-        if(mGoDataRealmResults.size() != 0){
+        for (int i = 0; i < mGoDataRealmResults.size(); i++) {
-            addGoData();
+            GoData data = new GoData();
+            data.setQNum(mGoDataRealmResults.get(i).getQNum());
+            goDataArrayList.add(data);
         }
+        mGoDataAdapter = new GoDataAdapter(this);
+        mGoDataAdapter.setGoData(goDataArrayList);
+        mListView.setAdapter(mGoDataAdapter);
-        reloadListView();
+        mGoDataAdapter.notifyDataSetChanged();
-    }
+    }
-    private void reloadListView(){
+    private void addGoData() {
-        ArrayList<GoData> goDataArrayList = new ArrayList<>();
-        for(int i = 0; i < mGoDataRealmResults.size(); i++) {
+        if(mGoDataRealmResults.size() > 0){
+            mRealm.beginTransaction();
             GoData data = new GoData();
-            data.setQNum(mGoDataRealmResults.get(i).getQNum());
+            data.setQNum("1");
-            data.setTeban(mGoDataRealmResults.get(i).getTeban());
+            data.setTeban("b");
-            data.setLevel(mGoDataRealmResults.get(i).getLevel());
+            data.setLevel("-5");
-            goDataArrayList.add(data);
+            mRealm.commitTransaction();
         }
-        mGoDataAdapter.setGoDataArrayList(goDataArrayList);
-        mListView.setAdapter(mGoDataAdapter);
-        mGoDataAdapter.notifyDataSetChanged();
-    }
-    @Override
-    protected void onDestroy(){
-        super.onDestroy();
-        mRealm.close();
-    }
-    private void addGoData(){
-        for(int j = 0; j < mGoDataRealmResults.size(); j++) {
-        GoData data = new GoData();
-/*      data.setQNum("1");
-        data.setTeban("黒先");
-        data.setLevel("5級");*/
-        data.setQNum(mGoDataRealmResults.get(j).getQNum());
-        data.setTeban(mGoDataRealmResults.get(j).getTeban());
-        data.setLevel(mGoDataRealmResults.get(j).getLevel());
-        mRealm.beginTransaction();
-        mRealm.copyToRealmOrUpdate(data);
-        mRealm.commitTransaction();
-        }
     }
 }
@@ -390,102 +416,16 @@
-list_item.xml
+###試したこと
-```xml
+```Java
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              android:orientation="vertical"
-              android:layout_width="match_parent"
-              android:layout_height="match_parent"
-              android:padding="8dp">
-    <RelativeLayout
+if (convertView == null){
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="#ffffff"
-        android:padding="8dp">
-        <TextView
-            android:id="@+id/q_num_level"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_toLeftOf="@+id/problem_icon"/>
-        <TextView
-            android:id="@+id/teban"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_below="@+id/q_num_level"
-            android:layout_marginTop="4dp"
-            android:layout_toLeftOf="@+id/problem_icon"
-            android:textColor="#999999"
-            android:textSize="12sp"/>
-        <ImageView
-            android:id="@+id/problem_icon"
-            android:layout_width="48dp"
-            android:layout_height="48dp"
-            android:layout_alignParentRight="true"/>
+        convertView = mLayoutInflater.inflate(R.layout.list_item, null);
-    </RelativeLayout>
-</LinearLayout>
 ```
-###試したこと
-```Java
-if (convertView == null){
-        convertView = mLayoutInflater.inflate(R.layout.list_item, null);
-```
 GoDataAdapterクラス内の上記のコードの(R.layout.list_item, null)は、(R.layout.simple_list_item_2, null)だったところを自作のxmlファイルに変更していますが、リストビューは表示されません。
 別のところに原因があるのだと思っています。