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.compat; 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 class FrameLayoutCompatUtils { 26 private static final boolean NEEDS_FRAME_LAYOUT_HACK = ( 27 android.os.Build.VERSION.SDK_INT < 11 /* Honeycomb */); 28 getPlacer(ViewGroup container)29 public static ViewGroup getPlacer(ViewGroup container) { 30 if (NEEDS_FRAME_LAYOUT_HACK) { 31 // Insert RelativeLayout to be able to setMargin because pre-Honeycomb FrameLayout 32 // could not handle setMargin properly. 33 final ViewGroup placer = new RelativeLayout(container.getContext()); 34 container.addView(placer); 35 return placer; 36 } else { 37 return container; 38 } 39 } 40 newLayoutParam(ViewGroup placer, int width, int height)41 public static MarginLayoutParams newLayoutParam(ViewGroup placer, int width, int height) { 42 if (placer instanceof FrameLayout) { 43 return new FrameLayout.LayoutParams(width, height); 44 } else if (placer instanceof RelativeLayout) { 45 return new RelativeLayout.LayoutParams(width, height); 46 } else if (placer == null) { 47 throw new NullPointerException("placer is null"); 48 } else { 49 throw new IllegalArgumentException("placer is neither FrameLayout nor RelativeLayout: " 50 + placer.getClass().getName()); 51 } 52 } 53 placeViewAt(View view, int x, int y, int w, int h)54 public static void placeViewAt(View view, int x, int y, int w, int h) { 55 final ViewGroup.LayoutParams lp = view.getLayoutParams(); 56 if (lp instanceof MarginLayoutParams) { 57 final MarginLayoutParams marginLayoutParams = (MarginLayoutParams)lp; 58 marginLayoutParams.width = w; 59 marginLayoutParams.height = h; 60 marginLayoutParams.setMargins(x, y, 0, 0); 61 } 62 } 63 } 64