| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.widget.scroll; |
| |
| import com.android.frameworks.coretests.R; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.widget.LinearLayout; |
| import android.widget.ScrollView; |
| import android.widget.TextView; |
| import android.widget.Button; |
| |
| |
| /** |
| * Basic scroll view example |
| */ |
| public class ScrollViewButtonsAndLabels extends Activity { |
| |
| private ScrollView mScrollView; |
| private LinearLayout mLinearLayout; |
| |
| private int mNumGroups = 10; |
| |
| |
| public ScrollView getScrollView() { |
| return mScrollView; |
| } |
| |
| public LinearLayout getLinearLayout() { |
| return mLinearLayout; |
| } |
| |
| public int getNumButtons() { |
| return mNumGroups; |
| } |
| |
| public Button getButton(int groupNum) { |
| if (groupNum > mNumGroups) { |
| throw new IllegalArgumentException("groupNum > " + mNumGroups); |
| } |
| return (Button) mLinearLayout.getChildAt(2*groupNum); |
| } |
| |
| @Override |
| protected void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| setContentView(R.layout.scrollview_linear_layout); |
| |
| |
| // estimated ratio to get enough buttons so a couple are off screen |
| int screenHeight = getWindowManager().getDefaultDisplay().getHeight(); |
| mNumGroups = screenHeight / 30; |
| |
| mScrollView = findViewById(R.id.scrollView); |
| mLinearLayout = findViewById(R.id.layout); |
| |
| LinearLayout.LayoutParams p = new LinearLayout.LayoutParams( |
| LinearLayout.LayoutParams.MATCH_PARENT, |
| LinearLayout.LayoutParams.WRAP_CONTENT |
| ); |
| |
| for (int i = 0; i < mNumGroups; i++) { |
| // want button to be first and last |
| if (i > 0) { |
| TextView textView = new TextView(this); |
| textView.setText("Text View " + i); |
| mLinearLayout.addView(textView, p); |
| } |
| |
| Button button = new Button(this); |
| button.setText("Button " + (i + 1)); |
| mLinearLayout.addView(button, p); |
| } |
| } |
| |
| } |