Android底部导航栏的动态替换方案

@Override protected void onHandleIntent(Intent intent) {  if (intent != null) {   final String action = intent.getAction();   if (ACTION_FOO.equals(action)) {    // 在这里面处理耗时任务，当所有的耗时任务都结束以后，IntentService会自动的finish掉，不需要开发者关心。   }  } }

{  "currentInfo":{//当前样式   "id":"111",   "imageZipUrl":你的下载地址,   "tabNamesList":[     "首页1","附近1","发现1","我的1"   ],   "tabColorNormal":"B0C4DE",   "tabColorHighlight":"F7B62D",   "startTime":开始时间,   "deadLineTime":结束时间  },  "nextInfo":{//下一次要展示的样式   "id":"111",   "imageZipUrl":你的下载地址,   "tabNamesList":[     "首页2","附近2","发现2","我的2"   ],   "tabColorNormal":"B0C4DE",   "tabColorHighlight":"FE6246",   "startTime":开始时间,   "deadLineTime":结束时间  } }

// 下载文件  Response<ResponseBody> zipFile = ServiceGenerator.createService(HomeService.class)   .downloadFileRetrofit(getFileDownLoadUrl(homeTabImageInfoBean, type))   .execute();   // 得到文件流   ResponseBody zipBody = zipFile.body();   LogUtils.d("DownLoad", "下载完成");   // 创建一个文件   File zipDirectory = new File(FilePathUtil.getHuaShengHomeTabZipDirectory(getApplicationContext())     + createZipFileName(homeTabImageInfoBean, type));   // 如果文件不存在，则创建文件夹   if (!zipDirectory.exists()) {    zipDirectory.createNewFile();   }   // 保存文件   FileUtils.writeFile2Disk(zipBody, zipDirectory);

// 解压文件 并删除文件   if (ZipUtils.unzipFile(zipDirectory.getAbsolutePath(),     CURRENT.equals(type) ? FilePathUtil.getHuaShengHomeTabImgCurrentDirectory(getApplicationContext())       : FilePathUtil.getHuaShengHomeTabImgNextDirectory(getApplicationContext()))) {    // 保存文件解压地址    saveFileDirPath(homeTabImageInfoBean, type,      CURRENT.equals(type) ? FilePathUtil.getHuaShengHomeTabImgCurrentDirectory(getApplicationContext())        : FilePathUtil.getHuaShengHomeTabImgNextDirectory(getApplicationContext()));    LogUtils.d("HomeTabImageDownLoadInt", "解压完成---");   }

<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android">  <item android:drawable="@mipmap/home_tab_financing_selected" android:state_selected="true" />  <item android:drawable="@mipmap/home_tab_financing_normal" /> </selector>

// 构建Drawable选择器 private StateListDrawable createDrawableSelector(Drawable checked, Drawable unchecked) {  StateListDrawable stateList = new StateListDrawable();  int state_selected = android.R.attr.state_selected;  stateList.addState(new int[]{state_selected}, checked);  stateList.addState(new int[]{-state_selected}, unchecked);  return stateList; }

// 构建颜色选择器 private ColorStateList createColorSelector(int checkedColor, int uncheckedColor) {  return new ColorStateList(    new int[][]{new int[]{android.R.attr.state_selected},      new int[]{-android.R.attr.state_selected}},    new int[]{checkedColor, uncheckedColor});

// 将文件转换成Drawable // pathName就是图片存放的绝对路径 private Drawable getDrawableByFile(String pathName) {  return Drawable.createFromPath(pathName); }

import com.blankj.utilcode.util.CloseUtils;import com.blankj.utilcode.util.StringUtils;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.ArrayList;import java.util.Collection;import java.util.Enumeration;import java.util.List;import java.util.zip.ZipEntry;import java.util.zip.ZipFile;import java.util.zip.ZipOutputStream;/** * <pre> *  author: 程龙 *  time : 2018/12/14 *  desc : 压缩相关工具类 * </pre> */public final class ZipUtils { private static final int KB = 1024; private ZipUtils() {  throw new UnsupportedOperationException("u can't instantiate me..."); } /**  * 批量压缩文件  *  * @param resFiles 待压缩文件集合  * @param zipFilePath 压缩文件路径  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ public static boolean zipFiles(Collection<File> resFiles, String zipFilePath)   throws IOException {  return zipFiles(resFiles, zipFilePath, null); } /**  * 批量压缩文件  *  * @param resFiles 待压缩文件集合  * @param zipFilePath 压缩文件路径  * @param comment  压缩文件的注释  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ public static boolean zipFiles(Collection<File> resFiles, String zipFilePath, String comment)   throws IOException {  return zipFiles(resFiles, FileUtils.getFileByPath(zipFilePath), comment); } /**  * 批量压缩文件  *  * @param resFiles 待压缩文件集合  * @param zipFile 压缩文件  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ public static boolean zipFiles(Collection<File> resFiles, File zipFile)   throws IOException {  return zipFiles(resFiles, zipFile, null); } /**  * 批量压缩文件  *  * @param resFiles 待压缩文件集合  * @param zipFile 压缩文件  * @param comment 压缩文件的注释  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ public static boolean zipFiles(Collection<File> resFiles, File zipFile, String comment)   throws IOException {  if (resFiles == null || zipFile == null) return false;  ZipOutputStream zos = null;  try {   zos = new ZipOutputStream(new FileOutputStream(zipFile));   for (File resFile : resFiles) {    if (!zipFile(resFile, "", zos, comment)) return false;   }   return true;  } finally {   if (zos != null) {    zos.finish();    CloseUtils.closeIO(zos);   }  } } /**  * 压缩文件  *  * @param resFilePath 待压缩文件路径  * @param zipFilePath 压缩文件路径  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ public static boolean zipFile(String resFilePath, String zipFilePath)   throws IOException {  return zipFile(resFilePath, zipFilePath, null); } /**  * 压缩文件  *  * @param resFilePath 待压缩文件路径  * @param zipFilePath 压缩文件路径  * @param comment  压缩文件的注释  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ public static boolean zipFile(String resFilePath, String zipFilePath, String comment)   throws IOException {  return zipFile(FileUtils.getFileByPath(resFilePath), FileUtils.getFileByPath(zipFilePath), comment); } /**  * 压缩文件  *  * @param resFile 待压缩文件  * @param zipFile 压缩文件  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ public static boolean zipFile(File resFile, File zipFile)   throws IOException {  return zipFile(resFile, zipFile, null); } /**  * 压缩文件  *  * @param resFile 待压缩文件  * @param zipFile 压缩文件  * @param comment 压缩文件的注释  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ public static boolean zipFile(File resFile, File zipFile, String comment)   throws IOException {  if (resFile == null || zipFile == null) return false;  ZipOutputStream zos = null;  try {   zos = new ZipOutputStream(new FileOutputStream(zipFile));   return zipFile(resFile, "", zos, comment);  } finally {   if (zos != null) {    CloseUtils.closeIO(zos);   }  } } /**  * 压缩文件  *  * @param resFile 待压缩文件  * @param rootPath 相对于压缩文件的路径  * @param zos  压缩文件输出流  * @param comment 压缩文件的注释  * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败  * @throws IOException IO错误时抛出  */ private static boolean zipFile(File resFile, String rootPath, ZipOutputStream zos, String comment)   throws IOException {  rootPath = rootPath + (isSpace(rootPath) ? "" : File.separator) + resFile.getName();  if (resFile.isDirectory()) {   File[] fileList = resFile.listFiles();   // 如果是空文件夹那么创建它，我把'/'换为File.separator测试就不成功，eggPain   if (fileList == null || fileList.length <= 0) {    ZipEntry entry = new ZipEntry(rootPath + '/');    if (!StringUtils.isEmpty(comment)) entry.setComment(comment);    zos.putNextEntry(entry);    zos.closeEntry();   } else {    for (File file : fileList) {     // 如果递归返回false则返回false     if (!zipFile(file, rootPath, zos, comment)) return false;    }   }  } else {   InputStream is = null;   try {    is = new BufferedInputStream(new FileInputStream(resFile));    ZipEntry entry = new ZipEntry(rootPath);    if (!StringUtils.isEmpty(comment)) entry.setComment(comment);    zos.putNextEntry(entry);    byte buffer[] = new byte[KB];    int len;    while ((len = is.read(buffer, 0, KB)) != -1) {     zos.write(buffer, 0, len);    }    zos.closeEntry();   } finally {    CloseUtils.closeIO(is);   }  }  return true; } /**  * 批量解压文件  *  * @param zipFiles 压缩文件集合  * @param destDirPath 目标目录路径  * @return {@code true}: 解压成功<br>{@code false}: 解压失败  * @throws IOException IO错误时抛出  */ public static boolean unzipFiles(Collection<File> zipFiles, String destDirPath)   throws IOException {  return unzipFiles(zipFiles, FileUtils.getFileByPath(destDirPath)); } /**  * 批量解压文件  *  * @param zipFiles 压缩文件集合  * @param destDir 目标目录  * @return {@code true}: 解压成功<br>{@code false}: 解压失败  * @throws IOException IO错误时抛出  */ public static boolean unzipFiles(Collection<File> zipFiles, File destDir)   throws IOException {  if (zipFiles == null || destDir == null) return false;  for (File zipFile : zipFiles) {   if (!unzipFile(zipFile, destDir)) return false;  }  return true; } /**  * 解压文件  *  * @param zipFilePath 待解压文件路径  * @param destDirPath 目标目录路径  * @return {@code true}: 解压成功<br>{@code false}: 解压失败  * @throws IOException IO错误时抛出  */ public static boolean unzipFile(String zipFilePath, String destDirPath) throws IOException {  // 判断是否存在这个路径,没有的话就创建这个路径  File tempDir = new File(destDirPath);  if (!tempDir.exists()) {   tempDir.mkdirs();  }  return unzipFile(FileUtils.getFileByPath(zipFilePath), FileUtils.getFileByPath(destDirPath)); } /**  * 解压文件  *  * @param zipFile 待解压文件  * @param destDir 目标目录  * @return {@code true}: 解压成功<br>{@code false}: 解压失败  * @throws IOException IO错误时抛出  */ public static boolean unzipFile(File zipFile, File destDir)   throws IOException {  return unzipFileByKeyword(zipFile, destDir, null) != null; } /**  * 解压带有关键字的文件  *  * @param zipFilePath 待解压文件路径  * @param destDirPath 目标目录路径  * @param keyword  关键字  * @return 返回带有关键字的文件链表  * @throws IOException IO错误时抛出  */ public static List<File> unzipFileByKeyword(String zipFilePath, String destDirPath, String keyword)   throws IOException {  return unzipFileByKeyword(FileUtils.getFileByPath(zipFilePath),    FileUtils.getFileByPath(destDirPath), keyword); } /**  * 解压带有关键字的文件  *  * @param zipFile 待解压文件  * @param destDir 目标目录  * @param keyword 关键字  * @return 返回带有关键字的文件链表  * @throws IOException IO错误时抛出  */ public static List<File> unzipFileByKeyword(File zipFile, File destDir, String keyword)   throws IOException {  if (zipFile == null || destDir == null) return null;  List<File> files = new ArrayList<>();  ZipFile zf = new ZipFile(zipFile);  Enumeration<?> entries = zf.entries();  while (entries.hasMoreElements()) {   ZipEntry entry = ((ZipEntry) entries.nextElement());   String entryName = entry.getName();   if (StringUtils.isEmpty(keyword) || FileUtils.getFileName(entryName).toLowerCase().contains(keyword.toLowerCase())) {    String filePath = destDir + File.separator + entryName;    File file = new File(filePath);    files.add(file);    if (entry.isDirectory()) {     if (!FileUtils.createOrExistsDir(file)) return null;    } else {     if (!FileUtils.createOrExistsFile(file)) return null;     InputStream in = null;     OutputStream out = null;     try {      in = new BufferedInputStream(zf.getInputStream(entry));      out = new BufferedOutputStream(new FileOutputStream(file));      byte buffer[] = new byte[KB];      int len;      while ((len = in.read(buffer)) != -1) {       out.write(buffer, 0, len);      }     } finally {      CloseUtils.closeIO(in, out);     }    }   }  }  return files; } /**  * 获取压缩文件中的文件路径链表  *  * @param zipFilePath 压缩文件路径  * @return 压缩文件中的文件路径链表  * @throws IOException IO错误时抛出  */ public static List<String> getFilesPath(String zipFilePath)   throws IOException {  return getFilesPath(FileUtils.getFileByPath(zipFilePath)); } /**  * 获取压缩文件中的文件路径链表  *  * @param zipFile 压缩文件  * @return 压缩文件中的文件路径链表  * @throws IOException IO错误时抛出  */ public static List<String> getFilesPath(File zipFile)   throws IOException {  if (zipFile == null) return null;  List<String> paths = new ArrayList<>();  Enumeration<?> entries = getEntries(zipFile);  while (entries.hasMoreElements()) {   paths.add(((ZipEntry) entries.nextElement()).getName());  }  return paths; } /**  * 获取压缩文件中的注释链表  *  * @param zipFilePath 压缩文件路径  * @return 压缩文件中的注释链表  * @throws IOException IO错误时抛出  */ public static List<String> getComments(String zipFilePath)   throws IOException {  return getComments(FileUtils.getFileByPath(zipFilePath)); } /**  * 获取压缩文件中的注释链表  *  * @param zipFile 压缩文件  * @return 压缩文件中的注释链表  * @throws IOException IO错误时抛出  */ public static List<String> getComments(File zipFile)   throws IOException {  if (zipFile == null) return null;  List<String> comments = new ArrayList<>();  Enumeration<?> entries = getEntries(zipFile);  while (entries.hasMoreElements()) {   ZipEntry entry = ((ZipEntry) entries.nextElement());   comments.add(entry.getComment());  }  return comments; } /**  * 获取压缩文件中的文件对象  *  * @param zipFilePath 压缩文件路径  * @return 压缩文件中的文件对象  * @throws IOException IO错误时抛出  */ public static Enumeration<?> getEntries(String zipFilePath)   throws IOException {  return getEntries(FileUtils.getFileByPath(zipFilePath)); } /**  * 获取压缩文件中的文件对象  *  * @param zipFile 压缩文件  * @return 压缩文件中的文件对象  * @throws IOException IO错误时抛出  */ public static Enumeration<?> getEntries(File zipFile)   throws IOException {  if (zipFile == null) return null;  return new ZipFile(zipFile).entries(); } private static boolean isSpace(String s) {  if (s == null) return true;  for (int i = 0, len = s.length(); i < len; ++i) {   if (!Character.isWhitespace(s.charAt(i))) {    return false;   }  }  return true; }}