1/* 2 * Copyright (C) 2015 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 17package com.android.layoutlib.bridge.android.support; 18 19import com.android.ide.common.rendering.api.LayoutLog; 20import com.android.layoutlib.bridge.Bridge; 21import com.android.layoutlib.bridge.util.ReflectionUtils.ReflectionException; 22 23import android.annotation.NonNull; 24import android.annotation.Nullable; 25import android.view.View; 26 27import static com.android.layoutlib.bridge.util.ReflectionUtils.getMethod; 28import static com.android.layoutlib.bridge.util.ReflectionUtils.invoke; 29 30/** 31 * Utility class for working with the design support lib. 32 */ 33public class DesignLibUtil { 34 35 private static final String PKG_PREFIX = "android.support.design.widget."; 36 public static final String CN_COORDINATOR_LAYOUT = PKG_PREFIX + "CoordinatorLayout"; 37 public static final String CN_APPBAR_LAYOUT = PKG_PREFIX + "AppBarLayout"; 38 public static final String CN_COLLAPSING_TOOLBAR_LAYOUT = 39 PKG_PREFIX + "CollapsingToolbarLayout"; 40 public static final String CN_TOOLBAR = "android.support.v7.widget.Toolbar"; 41 public static final int SCROLL_AXIS_VERTICAL = 1 << 1; 42 43 /** 44 * Tries to set the title of a view. This is used to set the title in a 45 * CollapsingToolbarLayout. 46 * <p/> 47 * Any exceptions thrown during the process are logged in {@link Bridge#getLog()} 48 */ 49 public static void setTitle(@NonNull View view, @Nullable String title) { 50 if (title == null) { 51 return; 52 } 53 try { 54 invoke(getMethod(view.getClass(), "setTitle", CharSequence.class), view, title); 55 } catch (ReflectionException e) { 56 Bridge.getLog().warning(LayoutLog.TAG_INFO, 57 "Error occurred while trying to set title.", e); 58 } 59 } 60} 61