1 /* 2 * Copyright (C) 2011 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 com.android.camera.ui; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.widget.GridView; 22 23 public class OneRowGridView extends GridView { 24 private int mInternalRequestedColumnWidth; 25 public OneRowGridView(Context context, AttributeSet attrs) { 26 super(context, attrs); 27 } 28 29 @Override 30 public void setColumnWidth(int columnWidth) { 31 super.setColumnWidth(columnWidth); 32 if (mInternalRequestedColumnWidth != columnWidth) { 33 mInternalRequestedColumnWidth = columnWidth; 34 requestLayout(); 35 } 36 } 37 38 @Override 39 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 40 if (mInternalRequestedColumnWidth != 0) { 41 int n = (getAdapter() == null) ? 0 : getAdapter().getCount(); 42 int size = mInternalRequestedColumnWidth * n; 43 widthMeasureSpec = MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY); 44 } 45 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 46 } 47 } 48