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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.layoutlib.api;
import com.android.ide.common.rendering.api.Bridge;
import java.util.Map;
/**
* Entry point of the Layout Lib. Implementations of this interface provide a method to compute
* and render a layout.
*
* {@link #getApiLevel()} gives the ability to know which methods are available.
*
* Changes in API level 5:
*
*
Bridge should extend {@link Bridge} instead of implementing {@link ILayoutBridge}.
* @deprecated Extend {@link Bridge} instead.
*/
@Deprecated
public interface ILayoutBridge {
final int API_CURRENT = 4;
/**
* Returns the API level of the layout library.
* While no methods will ever be removed, some may become deprecated, and some new ones
* will appear.
* If calling this method throws an {@link AbstractMethodError}, then the API level
* should be considered to be 1.
*/
int getApiLevel();
/**
* Initializes the Bridge object.
* @param fontOsLocation the location of the fonts.
* @param enumValueMap map attrName => { map enumFlagName => Integer value }.
* @return true if success.
* @since 1
*/
boolean init(String fontOsLocation, Map> enumValueMap);
/**
* Prepares the layoutlib to unloaded.
*/
boolean dispose();
/**
* Starts a layout session by inflating and rendering it. The method returns a
* {@link ILayoutResult} on which further actions can be taken.
*
* @param layoutDescription the {@link IXmlPullParser} letting the LayoutLib Bridge visit the
* layout file.
* @param projectKey An Object identifying the project. This is used for the cache mechanism.
* @param screenWidth the screen width
* @param screenHeight the screen height
* @param renderFullSize if true, the rendering will render the full size needed by the
* layout. This size is never smaller than screenWidth x screenHeight.
* @param density the density factor for the screen.
* @param xdpi the screen actual dpi in X
* @param ydpi the screen actual dpi in Y
* @param themeName The name of the theme to use.
* @param isProjectTheme true if the theme is a project theme, false if it is a framework theme.
* @param projectResources the resources of the project. The map contains (String, map) pairs
* where the string is the type of the resource reference used in the layout file, and the
* map contains (String, {@link IResourceValue}) pairs where the key is the resource name,
* and the value is the resource value.
* @param frameworkResources the framework resources. The map contains (String, map) pairs
* where the string is the type of the resource reference used in the layout file, and the map
* contains (String, {@link IResourceValue}) pairs where the key is the resource name, and the
* value is the resource value.
* @param projectCallback The {@link IProjectCallback} object to get information from
* the project.
* @param logger the object responsible for displaying warning/errors to the user.
* @return a new {@link ILayoutResult} object that contains the result of the layout.
* @deprecated use {@link Bridge#createSession(com.android.ide.common.rendering.api.SessionParams)}
* @since 4
*/
@Deprecated
ILayoutResult computeLayout(IXmlPullParser layoutDescription,
Object projectKey,
int screenWidth, int screenHeight, boolean renderFullSize,
int density, float xdpi, float ydpi,
String themeName, boolean isProjectTheme,
Map> projectResources,
Map> frameworkResources,
IProjectCallback projectCallback, ILayoutLog logger);
/**
* Computes and renders a layout
* @param layoutDescription the {@link IXmlPullParser} letting the LayoutLib Bridge visit the
* layout file.
* @param projectKey An Object identifying the project. This is used for the cache mechanism.
* @param screenWidth the screen width
* @param screenHeight the screen height
* @param density the density factor for the screen.
* @param xdpi the screen actual dpi in X
* @param ydpi the screen actual dpi in Y
* @param themeName The name of the theme to use.
* @param isProjectTheme true if the theme is a project theme, false if it is a framework theme.
* @param projectResources the resources of the project. The map contains (String, map) pairs
* where the string is the type of the resource reference used in the layout file, and the
* map contains (String, {@link IResourceValue}) pairs where the key is the resource name,
* and the value is the resource value.
* @param frameworkResources the framework resources. The map contains (String, map) pairs
* where the string is the type of the resource reference used in the layout file, and the map
* contains (String, {@link IResourceValue}) pairs where the key is the resource name, and the
* value is the resource value.
* @param projectCallback The {@link IProjectCallback} object to get information from
* the project.
* @param logger the object responsible for displaying warning/errors to the user.
* @return a new {@link ILayoutResult} object that contains the result of the layout.
* @deprecated use {@link Bridge#createSession(com.android.ide.common.rendering.api.SessionParams)}
* @since 3
*/
@Deprecated
ILayoutResult computeLayout(IXmlPullParser layoutDescription,
Object projectKey,
int screenWidth, int screenHeight, int density, float xdpi, float ydpi,
String themeName, boolean isProjectTheme,
Map> projectResources,
Map> frameworkResources,
IProjectCallback projectCallback, ILayoutLog logger);
/**
* Computes and renders a layout
* @param layoutDescription the {@link IXmlPullParser} letting the LayoutLib Bridge visit the
* layout file.
* @param projectKey An Object identifying the project. This is used for the cache mechanism.
* @param screenWidth the screen width
* @param screenHeight the screen height
* @param themeName The name of the theme to use.
* @param isProjectTheme true if the theme is a project theme, false if it is a framework theme.
* @param projectResources the resources of the project. The map contains (String, map) pairs
* where the string is the type of the resource reference used in the layout file, and the
* map contains (String, {@link IResourceValue}) pairs where the key is the resource name,
* and the value is the resource value.
* @param frameworkResources the framework resources. The map contains (String, map) pairs
* where the string is the type of the resource reference used in the layout file, and the map
* contains (String, {@link IResourceValue}) pairs where the key is the resource name, and the
* value is the resource value.
* @param projectCallback The {@link IProjectCallback} object to get information from
* the project.
* @param logger the object responsible for displaying warning/errors to the user.
* @return a new {@link ILayoutResult} object that contains the result of the layout.
* @deprecated use {@link Bridge#createSession(com.android.ide.common.rendering.api.SessionParams)}
* @since 2
*/
@Deprecated
ILayoutResult computeLayout(IXmlPullParser layoutDescription,
Object projectKey,
int screenWidth, int screenHeight, String themeName, boolean isProjectTheme,
Map> projectResources,
Map> frameworkResources,
IProjectCallback projectCallback, ILayoutLog logger);
/**
* Computes and renders a layout
* @param layoutDescription the {@link IXmlPullParser} letting the LayoutLib Bridge visit the
* layout file.
* @param projectKey An Object identifying the project. This is used for the cache mechanism.
* @param screenWidth
* @param screenHeight
* @param themeName The name of the theme to use. In order to differentiate project and platform
* themes sharing the same name, all project themes must be prepended with a '*' character.
* @param projectResources the resources of the project. The map contains (String, map) pairs
* where the string is the type of the resource reference used in the layout file, and the
* map contains (String, {@link IResourceValue}) pairs where the key is the resource name,
* and the value is the resource value.
* @param frameworkResources the framework resources. The map contains (String, map) pairs
* where the string is the type of the resource reference used in the layout file, and the map
* contains (String, {@link IResourceValue}) pairs where the key is the resource name, and the
* value is the resource value.
* @param projectCallback The {@link IProjectCallback} object to get information from
* the project.
* @param logger the object responsible for displaying warning/errors to the user.
* @return a new {@link ILayoutResult} object that contains the result of the layout.
* @deprecated use {@link Bridge#createSession(com.android.ide.common.rendering.api.SessionParams)}
* @since 1
*/
@Deprecated
ILayoutResult computeLayout(IXmlPullParser layoutDescription,
Object projectKey,
int screenWidth, int screenHeight, String themeName,
Map> projectResources,
Map> frameworkResources,
IProjectCallback projectCallback, ILayoutLog logger);
/**
* Clears the resource cache for a specific project.
* This cache contains bitmaps and nine patches that are loaded from the disk and reused
* until this method is called.
* The cache is not configuration dependent and should only be cleared when a
* resource changes (at this time only bitmaps and 9 patches go into the cache).
* @param projectKey the key for the project.
* @since 1
*/
void clearCaches(Object projectKey);
}
