SimpleStringRecyclerViewAdapter.java revision 4a58e0859ab43f004d44868ff48589e329a80cb5
14a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes/* 24a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * Copyright (C) 2015 The Android Open Source Project 34a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * 44a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * Licensed under the Apache License, Version 2.0 (the "License"); 54a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * you may not use this file except in compliance with the License. 64a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * You may obtain a copy of the License at 74a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * 84a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * http://www.apache.org/licenses/LICENSE-2.0 94a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * 104a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * Unless required by applicable law or agreed to in writing, software 114a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * distributed under the License is distributed on an "AS IS" BASIS, 124a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * See the License for the specific language governing permissions and 144a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes * limitations under the License. 154a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes */ 164a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 174a58e0859ab43f004d44868ff48589e329a80cb5Chris Banespackage com.example.android.support.design.widget; 184a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 194a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport com.example.android.support.design.R; 204a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 214a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport android.content.Context; 224a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport android.graphics.Color; 234a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport android.support.v7.widget.RecyclerView; 244a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport android.text.Layout; 254a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport android.util.TypedValue; 264a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport android.view.LayoutInflater; 274a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport android.view.ViewGroup; 284a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport android.widget.TextView; 294a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 304a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport java.util.ArrayList; 314a58e0859ab43f004d44868ff48589e329a80cb5Chris Banesimport java.util.Collections; 324a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 334a58e0859ab43f004d44868ff48589e329a80cb5Chris Banespublic class SimpleStringRecyclerViewAdapter 344a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes extends RecyclerView.Adapter<SimpleStringRecyclerViewAdapter.ViewHolder> { 354a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 364a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes private int mBackground; 374a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 384a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes private ArrayList<String> mValues; 394a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 404a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public static class ViewHolder extends RecyclerView.ViewHolder { 414a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public String mBoundString; 424a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public TextView mTextView; 434a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 444a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public ViewHolder(TextView v) { 454a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes super(v); 464a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes mTextView = v; 474a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 484a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 494a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes @Override 504a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public String toString() { 514a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes return super.toString() + " '" + mTextView.getText(); 524a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 534a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 544a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 554a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public String getValueAt(int position) { 564a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes return mValues.get(position); 574a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 584a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 594a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public SimpleStringRecyclerViewAdapter(Context context, String[] strings) { 604a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes TypedValue val = new TypedValue(); 614a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes if (context.getTheme() != null) { 624a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes context.getTheme().resolveAttribute(R.attr.selectableItemBackground, val, true); 634a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 644a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes mBackground = val.resourceId; 654a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes mValues = new ArrayList<>(); 664a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes Collections.addAll(mValues, strings); 674a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 684a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 694a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes @Override 704a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 714a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes TextView textView = (TextView) LayoutInflater.from(parent.getContext()) 724a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes .inflate(android.R.layout.simple_list_item_1, parent, false); 734a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes textView.setBackgroundResource(mBackground); 744a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes return new ViewHolder(textView); 754a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 764a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 774a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes @Override 784a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public void onBindViewHolder(ViewHolder holder, int position) { 794a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes holder.mBoundString = mValues.get(position); 804a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes holder.mTextView.setText(position + ": " + mValues.get(position)); 814a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 824a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes 834a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes @Override 844a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes public int getItemCount() { 854a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes return mValues.size(); 864a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes } 874a58e0859ab43f004d44868ff48589e329a80cb5Chris Banes} 88