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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.scroll;
     18 
     19 import com.android.frameworks.coretests.R;
     20 
     21 import android.app.Activity;
     22 import android.os.Bundle;
     23 import android.widget.EditText;
     24 import android.widget.TextView;
     25 import android.widget.Button;
     26 import android.view.View;
     27 import android.graphics.Rect;
     28 
     29 public class RequestRectangleVisibleWithInternalScroll extends Activity {
     30 
     31     private int scrollYofBlob = 52;
     32 
     33     private TextView mTextBlob;
     34     private Button mScrollToBlob;
     35 
     36 
     37     public int getScrollYofBlob() {
     38         return scrollYofBlob;
     39     }
     40 
     41 
     42     public TextView getTextBlob() {
     43         return mTextBlob;
     44     }
     45 
     46 
     47     public Button getScrollToBlob() {
     48         return mScrollToBlob;
     49     }
     50 
     51     protected void onCreate(Bundle icicle) {
     52         super.onCreate(icicle);
     53 
     54         setContentView(R.layout.scroll_to_rect_with_internal_scroll);
     55 
     56         mTextBlob = (TextView) findViewById(R.id.blob);
     57         mTextBlob.scrollBy(0, scrollYofBlob);
     58 
     59 
     60         mScrollToBlob = (Button) findViewById(R.id.scrollToBlob);
     61         mScrollToBlob.setOnClickListener(new View.OnClickListener() {
     62 
     63             public void onClick(View v) {
     64 
     65                 // the rect we want to make visible is offset to match
     66                 // the internal scroll
     67                 Rect rect = new Rect();
     68                 rect.set(0, 0, 0, mTextBlob.getHeight());
     69                 rect.offset(0, mTextBlob.getScrollY());
     70                 mTextBlob.requestRectangleOnScreen(rect);
     71             }
     72         });
     73     }
     74 
     75 
     76 }
     77