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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.os.Bundle;
     21 import android.view.KeyEvent;
     22 import android.view.View;
     23 import android.view.ViewGroup;
     24 import android.widget.Button;
     25 import android.widget.LinearLayout;
     26 
     27 /**
     28  * An activity that helps test the scenario where a parent is
     29  * GONE and one of its children has focus; the activity should get
     30  * the key event.  see bug 945150.
     31  */
     32 public class GoneParentFocusedChild extends Activity {
     33     private LinearLayout mGoneGroup;
     34     private Button mButton;
     35 
     36     private boolean mUnhandledKeyEvent = false;
     37     private LinearLayout mLayout;
     38 
     39     public boolean isUnhandledKeyEvent() {
     40         return mUnhandledKeyEvent;
     41     }
     42 
     43     public LinearLayout getLayout() {
     44         return mLayout;
     45     }
     46 
     47     public LinearLayout getGoneGroup() {
     48         return mGoneGroup;
     49     }
     50 
     51     public Button getButton() {
     52         return mButton;
     53     }
     54 
     55     protected void onCreate(Bundle icicle) {
     56         super.onCreate(icicle);
     57 
     58         mLayout = new LinearLayout(this);
     59         mLayout.setOrientation(LinearLayout.HORIZONTAL);
     60         mLayout.setLayoutParams(new ViewGroup.LayoutParams(
     61                 ViewGroup.LayoutParams.MATCH_PARENT,
     62                 ViewGroup.LayoutParams.MATCH_PARENT));
     63 
     64 
     65         mGoneGroup = new LinearLayout(this);
     66         mGoneGroup.setOrientation(LinearLayout.HORIZONTAL);
     67         mGoneGroup.setLayoutParams(new ViewGroup.LayoutParams(
     68                 ViewGroup.LayoutParams.MATCH_PARENT,
     69                 ViewGroup.LayoutParams.MATCH_PARENT));
     70 
     71         mButton = new Button(this);
     72         mButton.setLayoutParams(new LinearLayout.LayoutParams(
     73                 ViewGroup.LayoutParams.WRAP_CONTENT,
     74                 ViewGroup.LayoutParams.WRAP_CONTENT));
     75 
     76 
     77         mGoneGroup.addView(mButton);
     78         setContentView(mLayout);
     79 
     80         mGoneGroup.setVisibility(View.GONE);
     81         mButton.requestFocus();
     82     }
     83 
     84     public boolean onKeyUp(int keyCode, KeyEvent event) {
     85         mUnhandledKeyEvent = true;
     86         return true;
     87     }
     88 }
     89