1 /* 2 * Copyright 2017 Google Inc. 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 package com.example.android.wearable.wear.messaging.util; 17 18 import android.content.Context; 19 import android.graphics.Canvas; 20 import android.graphics.drawable.Drawable; 21 import android.support.v4.content.ContextCompat; 22 import android.support.v7.widget.RecyclerView; 23 import android.view.View; 24 25 /** Recycler view divider. */ 26 public class DividerItemDecoration extends RecyclerView.ItemDecoration { 27 28 private Drawable mDrawable; 29 30 public DividerItemDecoration(Context context, int resId) { 31 mDrawable = ContextCompat.getDrawable(context, resId); 32 } 33 34 @Override 35 public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) { 36 int left = parent.getLeft(); 37 int right = parent.getRight(); 38 39 int childCount = parent.getChildCount(); 40 41 for (int i = 0; i < childCount; i++) { 42 View child = parent.getChildAt(i); 43 44 int top = child.getBottom(); 45 int bottom = top + mDrawable.getIntrinsicHeight(); 46 47 mDrawable.setBounds(left, top, right, bottom); 48 mDrawable.draw(c); 49 } 50 } 51 } 52
