質問編集履歴

タイトル、コード修正

2018/02/08 06:20

投稿

nobu09

スコア34

test CHANGED Viewed

	@@ -1 +1 @@
1	- RecyclerViewのFragmentの~~基本実装~~方法について
1	+ RecyclerViewのFragmentの表示方法について

test CHANGED Viewed

@@ -20,6 +20,8 @@
 2.File->new->Fragment->Fragment(List)を追加
+（自動作成されるDummyContent.java,ItemFragment.java,MyItemRecycleViewAdapter.java,fragment_item.xml,fragment_item_list.xmlはそのまま使用しています）
 MainActivity.java
@@ -38,10 +40,6 @@
         setContentView(R.layout.activity_main);
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
-        setSupportActionBar(toolbar);
         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
@@ -58,261 +56,7 @@
 ```
-ItemFragment.java
-```
-public class ItemFragment extends Fragment {
-    private static final String ARG_COLUMN_COUNT = "column-count";
-    private int mColumnCount = 1;
-    private OnListFragmentInteractionListener mListener;
-    public ItemFragment() {
-    }
-    @SuppressWarnings("unused")
-    public static ItemFragment newInstance(int columnCount) {
-        ItemFragment fragment = new ItemFragment();
-        Bundle args = new Bundle();
-        args.putInt(ARG_COLUMN_COUNT, columnCount);
-        fragment.setArguments(args);
-        return fragment;
-    }
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-            mColumnCount = getArguments().getInt(ARG_COLUMN_COUNT);
-        }
-    }
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_item_list, container, false);
-        if (view instanceof RecyclerView) {
-            Context context = view.getContext();
-            RecyclerView recyclerView = (RecyclerView) view;
-            if (mColumnCount <= 1) {
-                recyclerView.setLayoutManager(new LinearLayoutManager(context));
-            } else {
-                recyclerView.setLayoutManager(new GridLayoutManager(context, mColumnCount));
-            }
-            recyclerView.setAdapter(new MyItemRecyclerViewAdapter(DummyContent.ITEMS, mListener));
-        }
-        return view;
-    }
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-        if (context instanceof OnListFragmentInteractionListener) {
-            mListener = (OnListFragmentInteractionListener) context;
-        } else {
-            throw new RuntimeException(context.toString()
-                    + " must implement OnListFragmentInteractionListener");
-        }
-    }
-    @Override
-    public void onDetach() {
-        super.onDetach();
-        mListener = null;
-    }
-    public interface OnListFragmentInteractionListener {
-        void onListFragmentInteraction(DummyItem item);
-    }
-}
-```
-MyItemRecyclerViewAdapter.java
-```
-public class MyItemRecyclerViewAdapter extends RecyclerView.Adapter<MyItemRecyclerViewAdapter.ViewHolder> {
-    private final List<DummyItem> mValues;
-    private final OnListFragmentInteractionListener mListener;
-    public MyItemRecyclerViewAdapter(List<DummyItem> items, OnListFragmentInteractionListener listener) {
-        mValues = items;
-        mListener = listener;
-    }
-    @Override
-    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext())
-                .inflate(R.layout.fragment_item, parent, false);
-        return new ViewHolder(view);
-    }
-    @Override
-    public void onBindViewHolder(final ViewHolder holder, int position) {
-        holder.mItem = mValues.get(position);
-        holder.mIdView.setText(mValues.get(position).id);
-        holder.mContentView.setText(mValues.get(position).content);
-        holder.mView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (null != mListener) {
-                    mListener.onListFragmentInteraction(holder.mItem);
-                }
-            }
-        });
-    }
-    @Override
-    public int getItemCount() {
-        return mValues.size();
-    }
-    public class ViewHolder extends RecyclerView.ViewHolder {
-        public final View mView;
-        public final TextView mIdView;
-        public final TextView mContentView;
-        public DummyItem mItem;
-        public ViewHolder(View view) {
-            super(view);
-            mView = view;
-            mIdView = (TextView) view.findViewById(R.id.id);
-            mContentView = (TextView) view.findViewById(R.id.content);
-        }
-        @Override
-        public String toString() {
-            return super.toString() + " '" + mContentView.getText() + "'";
-        }
-    }
-}
-```
 activity_main.xml
@@ -334,51 +78,13 @@
+    <FrameLayout
-    <android.support.design.widget.AppBarLayout
+        android:id="@+id/sample_content_fragment"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:theme="@style/AppTheme.AppBarOverlay">
-        <android.support.v7.widget.Toolbar
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
+        android:layout_height="match_parent" />
-            android:layout_height="?attr/actionBarSize"
-            android:background="?attr/colorPrimary"
-            app:popupTheme="@style/AppTheme.PopupOverlay" />
-    </android.support.design.widget.AppBarLayout>
-    <include layout="@layout/fragment_item_list" />
-    <android.support.design.widget.FloatingActionButton
-        android:id="@+id/fab"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
-        android:layout_margin="@dimen/fab_margin"
-        app:srcCompat="@android:drawable/ic_dialog_email" />
@@ -386,121 +92,9 @@
 ```
-content_main.xml
-```
-<?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    app:layout_behavior="@string/appbar_scrolling_view_behavior"
-    tools:context="com.example.test.recycleviewtest.MainActivity"
-    tools:showIn="@layout/activity_main">
-    <FrameLayout
-        android:id="@+id/sample_content_fragment"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content" />
-</android.support.constraint.ConstraintLayout>
-```
-fragment_item.xml
-```
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
-    android:orientation="horizontal">
-    <TextView
-        android:id="@+id/id"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_margin="@dimen/text_margin"
-        android:textAppearance="?attr/textAppearanceListItem" />
-    <TextView
-        android:id="@+id/content"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_margin="@dimen/text_margin"
-        android:textAppearance="?attr/textAppearanceListItem" />
-</LinearLayout>
-```
-fragment_item_list.xml
-```
-<?xml version="1.0" encoding="utf-8"?>
-<android.support.v7.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/list"
-    android:name="com.example.test.recycleviewtest.ItemFragment"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:layout_marginLeft="16dp"
-    android:layout_marginRight="16dp"
-    app:layoutManager="LinearLayoutManager"
-    tools:context="com.example.test.recycleviewtest.ItemFragment"
-    tools:listitem="@layout/fragment_item" />
-```
 ### 補足情報