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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.widget.focus;
     18 
     19 import android.app.Activity;
     20 import android.content.Context;
     21 import android.os.Bundle;
     22 import android.view.View;
     23 import android.view.ViewGroup;
     24 import android.widget.*;
     25 import com.google.android.collect.Lists;
     26 
     27 import java.util.List;
     28 
     29 public class ListOfEditTexts extends Activity {
     30 
     31     private int mLinesPerEditText = 12;
     32 
     33     private ListView mListView;
     34     private LinearLayout mLinearLayout;
     35 
     36     public ListView getListView() {
     37         return mListView;
     38     }
     39 
     40     @Override
     41     protected void onCreate(Bundle icicle) {
     42         super.onCreate(icicle);
     43 
     44         // create linear layout
     45         mLinearLayout = new LinearLayout(this);
     46         mLinearLayout.setOrientation(LinearLayout.VERTICAL);
     47         mLinearLayout.setLayoutParams(new ViewGroup.LayoutParams(
     48                 ViewGroup.LayoutParams.MATCH_PARENT,
     49                 ViewGroup.LayoutParams.MATCH_PARENT));
     50 
     51         // add a button above
     52         Button buttonAbove = new Button(this);
     53         buttonAbove.setLayoutParams(
     54                 new LinearLayout.LayoutParams(
     55                         ViewGroup.LayoutParams.MATCH_PARENT,
     56                         ViewGroup.LayoutParams.WRAP_CONTENT));
     57         buttonAbove.setText("button above list");
     58         mLinearLayout.addView(buttonAbove);
     59 
     60         // add a list view to it
     61         mListView = new ListView(this);
     62         mListView.setLayoutParams(new ViewGroup.LayoutParams(
     63                 ViewGroup.LayoutParams.MATCH_PARENT,
     64                 ViewGroup.LayoutParams.MATCH_PARENT));
     65         mListView.setDrawSelectorOnTop(false);
     66         mListView.setItemsCanFocus(true);
     67         mListView.setLayoutParams((new LinearLayout.LayoutParams(
     68                 ViewGroup.LayoutParams.MATCH_PARENT,
     69                 0,
     70                 1f)));
     71 
     72         List<String> bodies = Lists.newArrayList(
     73                 getBody("zero hello, my name is android"),
     74                 getBody("one i'm a paranoid android"),
     75                 getBody("two i robot.  huh huh."),
     76                 getBody("three not the g-phone!"));
     77 
     78         mListView.setAdapter(new MyAdapter(this, bodies));
     79         mLinearLayout.addView(mListView);
     80 
     81         // add button below
     82         Button buttonBelow = new Button(this);
     83         buttonBelow.setLayoutParams(
     84                 new LinearLayout.LayoutParams(
     85                         ViewGroup.LayoutParams.MATCH_PARENT,
     86                         ViewGroup.LayoutParams.WRAP_CONTENT));
     87         buttonBelow.setText("button below list");
     88         mLinearLayout.addView(buttonBelow);
     89 
     90         setContentView(mLinearLayout);
     91     }
     92 
     93     String getBody(String line) {
     94         StringBuilder sb = new StringBuilder((line.length() + 5) * mLinesPerEditText);
     95         for (int i = 0; i < mLinesPerEditText; i++) {
     96             sb.append(i + 1).append(' ').append(line);
     97             if (i < mLinesPerEditText - 1) {
     98                 sb.append('\n'); // all but last line
     99             }
    100         }
    101         return sb.toString();
    102     }
    103 
    104 
    105     private static class MyAdapter extends ArrayAdapter<String> {
    106 
    107         public MyAdapter(Context context, List<String> bodies) {
    108             super(context, 0, bodies);
    109         }
    110 
    111         @Override
    112         public View getView(int position, View convertView, ViewGroup parent) {
    113             String body = getItem(position);
    114 
    115             if (convertView != null) {
    116                 ((EditText) convertView).setText(body);
    117                 return convertView;
    118             }
    119 
    120             EditText editText = new EditText(getContext());
    121             editText.setText(body);
    122             return editText;
    123         }
    124     }
    125 }
    126