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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.widget.LinearLayout;
     21 import android.widget.Button;
     22 import android.widget.TextView;
     23 import android.os.Bundle;
     24 import android.view.ViewGroup;
     25 import android.content.Context;
     26 
     27 public class HorizontalFocusSearch extends Activity {
     28 
     29     private LinearLayout mLayout;
     30 
     31     private Button mLeftTall;
     32     private Button mMidShort1Top;
     33     private Button mMidShort2Bottom;
     34     private Button mRightTall;
     35 
     36 
     37     public LinearLayout getLayout() {
     38         return mLayout;
     39     }
     40 
     41     public Button getLeftTall() {
     42         return mLeftTall;
     43     }
     44 
     45     public Button getMidShort1Top() {
     46         return mMidShort1Top;
     47     }
     48 
     49     public Button getMidShort2Bottom() {
     50         return mMidShort2Bottom;
     51     }
     52 
     53     public Button getRightTall() {
     54         return mRightTall;
     55     }
     56 
     57     @Override
     58     protected void onCreate(Bundle icicle) {
     59         super.onCreate(icicle);
     60 
     61         mLayout = new LinearLayout(this);
     62         mLayout.setOrientation(LinearLayout.HORIZONTAL);
     63         mLayout.setLayoutParams(new ViewGroup.LayoutParams(
     64                 ViewGroup.LayoutParams.MATCH_PARENT,
     65                 ViewGroup.LayoutParams.MATCH_PARENT));
     66 
     67         mLeftTall = makeTall("left tall");
     68         mLayout.addView(mLeftTall);
     69 
     70         mMidShort1Top = addShort(mLayout, "mid(1) top", false);
     71         mMidShort2Bottom = addShort(mLayout, "mid(2) bottom", true);
     72 
     73         mRightTall = makeTall("right tall");
     74         mLayout.addView(mRightTall);
     75 
     76         setContentView(mLayout);
     77     }
     78 
     79     // just to get toString non-sucky
     80     private static class MyButton extends Button {
     81 
     82         public MyButton(Context context) {
     83             super(context);
     84         }
     85 
     86 
     87         @Override
     88         public String toString() {
     89             return getText().toString();
     90         }
     91     }
     92 
     93     private Button makeTall(String label) {
     94         Button button = new MyButton(this);
     95         button.setText(label);
     96         button.setLayoutParams(new LinearLayout.LayoutParams(
     97                 ViewGroup.LayoutParams.WRAP_CONTENT,
     98                 ViewGroup.LayoutParams.MATCH_PARENT));
     99         return button;
    100     }
    101 
    102     private Button addShort(LinearLayout root, String label, boolean atBottom) {
    103         Button button = new MyButton(this);
    104         button.setText(label);
    105         button.setLayoutParams(new LinearLayout.LayoutParams(
    106                 ViewGroup.LayoutParams.WRAP_CONTENT,
    107                 0, // height
    108                 490));
    109 
    110         TextView filler = new TextView(this);
    111         filler.setText("filler");
    112         filler.setLayoutParams(new LinearLayout.LayoutParams(
    113                 ViewGroup.LayoutParams.WRAP_CONTENT,
    114                 0, // height
    115                 510));
    116 
    117         LinearLayout ll = new LinearLayout(this);
    118         ll.setOrientation(LinearLayout.VERTICAL);
    119         ll.setLayoutParams(new LinearLayout.LayoutParams(
    120             ViewGroup.LayoutParams.WRAP_CONTENT,
    121             ViewGroup.LayoutParams.MATCH_PARENT));
    122 
    123         if (atBottom) {
    124             ll.addView(filler);
    125             ll.addView(button);
    126             root.addView(ll);
    127         } else {
    128             ll.addView(button);
    129             ll.addView(filler);
    130             root.addView(ll);
    131         }
    132         return button;
    133     }
    134 }
    135