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.inputmethod.keyboard; 18 19 import android.view.View; 20 import android.view.ViewGroup; 21 import android.view.ViewGroup.MarginLayoutParams; 22 import android.widget.FrameLayout; 23 import android.widget.RelativeLayout; 24 25 public final class ViewLayoutUtils { 26 private ViewLayoutUtils() { 27 // This utility class is not publicly instantiable. 28 } 29 30 public static MarginLayoutParams newLayoutParam(ViewGroup placer, int width, int height) { 31 if (placer instanceof FrameLayout) { 32 return new FrameLayout.LayoutParams(width, height); 33 } else if (placer instanceof RelativeLayout) { 34 return new RelativeLayout.LayoutParams(width, height); 35 } else if (placer == null) { 36 throw new NullPointerException("placer is null"); 37 } else { 38 throw new IllegalArgumentException("placer is neither FrameLayout nor RelativeLayout: " 39 + placer.getClass().getName()); 40 } 41 } 42 43 public static void placeViewAt(View view, int x, int y, int w, int h) { 44 final ViewGroup.LayoutParams lp = view.getLayoutParams(); 45 if (lp instanceof MarginLayoutParams) { 46 final MarginLayoutParams marginLayoutParams = (MarginLayoutParams)lp; 47 marginLayoutParams.width = w; 48 marginLayoutParams.height = h; 49 marginLayoutParams.setMargins(x, y, 0, 0); 50 } 51 } 52 } 53
