package com.lqr.emoji;
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import android.content.Context;
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import android.content.res.AssetManager;
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import android.util.DisplayMetrics;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* CSDN_LQR
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* 表情库Kit
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*/
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public class LQREmotionKit {
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private static String STICKER_NAME_IN_ASSETS = "sticker";
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private static Context mContext;
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private static float density;
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private static float scaleDensity;
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private static String STICKER_PATH;//默认路径在 /data/data/包名/files/sticker 下
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private static IImageLoader imageLoader;
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private static void getAndSaveParameter(Context context) {
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mContext = context.getApplicationContext();
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DisplayMetrics dm = context.getApplicationContext().getResources().getDisplayMetrics();
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density = dm.density;
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scaleDensity = dm.scaledDensity;
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}
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public static void init(Context context, String stickerPath) {
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getAndSaveParameter(context);
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STICKER_PATH = stickerPath;
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//将asset/sticker目录下默认的贴图复制到STICKER_PATH下
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copyStickerToStickerPath(STICKER_NAME_IN_ASSETS);
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}
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public static void init(Context context) {
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init(context, new File(context.getFilesDir(), STICKER_NAME_IN_ASSETS).getAbsolutePath());
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}
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public static void init(Context context, IImageLoader imageLoader) {
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init(context);
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setImageLoader(imageLoader);
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}
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public static void init(Context context, String stickerPath, IImageLoader imageLoader) {
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init(context, stickerPath);
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setImageLoader(imageLoader);
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}
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private static void copyStickerToStickerPath(String assetsFolderPath) {
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AssetManager assetManager = mContext.getResources().getAssets();
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List<String> srcFile = new ArrayList<>();
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try {
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String[] stickers = assetManager.list(assetsFolderPath);
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for (String fileName : stickers) {
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if (!new File(LQREmotionKit.getStickerPath(), fileName).exists()) {
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srcFile.add(fileName);
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}
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}
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if (srcFile.size() > 0) {
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copyToStickerPath(assetsFolderPath, srcFile);
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private static void copyToStickerPath(final String assetsFolderPath, final List<String> srcFile) {
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new Thread(new Runnable() {
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@Override
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public void run() {
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AssetManager assetManager = mContext.getResources().getAssets();
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for (String fileName : srcFile) {
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if (fileName.contains(".")) {//文件
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InputStream is = null;
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FileOutputStream fos = null;
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try {
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is = assetManager.open(assetsFolderPath + File.separator + fileName);
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File destinationFile;
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if (assetsFolderPath.startsWith(STICKER_NAME_IN_ASSETS + File.separator)) {//递归回来的时候assetsFolderPath可能变为"sticker/tsj"
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destinationFile = new File(getStickerPath(), assetsFolderPath.substring(assetsFolderPath.indexOf(File.separator) + 1) + File.separator + fileName);
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} else {
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destinationFile = new File(getStickerPath(), fileName);
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}
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fos = new FileOutputStream(destinationFile);
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byte[] buffer = new byte[1024];
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int len;
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while ((len = is.read(buffer)) != -1) {
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fos.write(buffer, 0, len);
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}
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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if (is != null) {
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try {
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is.close();
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is = null;
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} catch (IOException e) {
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e.printStackTrace();
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is = null;
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}
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}
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if (fos != null) {
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try {
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fos.close();
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fos = null;
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} catch (IOException e) {
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e.printStackTrace();
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fos = null;
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}
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}
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}
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} else {//文件夹
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File dir = new File(getStickerPath(), fileName);
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if (!dir.exists()) {
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dir.mkdirs();
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}
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copyStickerToStickerPath(assetsFolderPath + File.separator + fileName);
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}
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}
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}
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}).start();
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}
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public static Context getContext() {
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return mContext;
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}
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public static String getStickerPath() {
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return STICKER_PATH;
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}
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public static IImageLoader getImageLoader() {
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if (imageLoader == null) {
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throw new RuntimeException("you should use setImageLoader() in your App onCreate()");
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}
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return imageLoader;
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}
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public static void setImageLoader(IImageLoader imageLoader) {
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LQREmotionKit.imageLoader = imageLoader;
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}
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// public static void setStickerPath(String stickerPath) {
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// STICKER_PATH = stickerPath;
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// }
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public static int dip2px(float dipValue) {
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return (int) (dipValue * density + 0.5f);
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}
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public static int px2dip(float pxValue) {
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return (int) (pxValue / density + 0.5f);
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}
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public static int sp2px(float spValue) {
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return (int) (spValue * scaleDensity + 0.5f);
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}
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}
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