code clean up

app/build.gradle

@@ -10,8 +10,8 @@ android {
         applicationId "com.zane.smapiinstaller"
         minSdkVersion 19
         targetSdkVersion 28
-        versionCode 27
+        versionCode 28
-        versionName "1.3.10"
+        versionName "1.3.11"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true

app/src/main/java/com/zane/smapiinstaller/MainActivity.java

@@ -45,6 +45,9 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
+/**
+ * @author Zane
+ */
 public class MainActivity extends AppCompatActivity {
 
     private AppBarConfiguration mAppBarConfiguration;

app/src/main/java/com/zane/smapiinstaller/MainApplication.java

@@ -16,6 +16,9 @@ import androidx.multidex.MultiDex;
 import lombok.Getter;
 import okhttp3.OkHttpClient;
 
+/**
+ * @author Zane
+ */
 @Getter
 public class MainApplication extends Application {
     private DaoSession daoSession;

app/src/main/java/com/zane/smapiinstaller/constant/AppConfigKey.java

@@ -1,5 +1,8 @@
 package com.zane.smapiinstaller.constant;
 
+/**
+ * @author Zane
+ */
 public class AppConfigKey {
     public static final String ACTIVE_TRANSLATOR = "ActiveTranslator";
 

app/src/main/java/com/zane/smapiinstaller/constant/Constants.java

@@ -2,6 +2,7 @@ package com.zane.smapiinstaller.constant;
 
 /**
  * 常量
+ * @author Zane
  */
 public class Constants {
     /**
@@ -53,4 +54,19 @@ public class Constants {
      * Google翻译服务
      */
     public static final String TRANSLATE_SERVICE_URL_GOOGLE = "http://translate.google.cn/translate_a/single?client=gtx&dt=t&dj=1&ie=UTF-8&sl=auto&tl=%s&q=%s";
+
+    /**
+     * 文本文件打开大小阈值
+     */
+    public static int TEXT_FILE_OPEN_SIZE_LIMIT = 16 * 1024 * 1024;
+
+    /**
+     * SMAPI版本
+     */
+    public static final String SMAPI_VERSION = "3.4.1.1";
+
+    /**
+     * 平台
+     */
+    public static final String PLATFORM = "Android";
 }

app/src/main/java/com/zane/smapiinstaller/constant/DownloadableContentTypes.java

@@ -1,5 +1,8 @@
 package com.zane.smapiinstaller.constant;
 
+/**
+ * @author Zane
+ */
 public class DownloadableContentTypes {
     public static final String LOCALE = "LOCALE";
 

app/src/main/java/com/zane/smapiinstaller/constant/ManifestPatchConstants.java

@@ -1,5 +1,8 @@
 package com.zane.smapiinstaller.constant;
 
+/**
+ * @author Zane
+ */
 public class ManifestPatchConstants {
     public static final String APP_NAME = "Stardew Valley";
 

app/src/main/java/com/zane/smapiinstaller/dto/GoogleTranslationDto.java

@@ -1,9 +1,12 @@
-package com.zane.smapiinstaller.entity;
+package com.zane.smapiinstaller.dto;
 
 import java.util.List;
 
 import lombok.Data;
 
+/**
+ * @author Zane
+ */
 @Data
 public class GoogleTranslationDto {
     private List<Entry> sentences;

app/src/main/java/com/zane/smapiinstaller/dto/TranslationResult.java

@@ -1,4 +1,4 @@
-package com.zane.smapiinstaller.entity;
+package com.zane.smapiinstaller.dto;
 
 import org.greenrobot.greendao.annotation.Entity;
 import org.greenrobot.greendao.annotation.Id;
@@ -6,6 +6,9 @@ import org.greenrobot.greendao.annotation.Index;
 
 import org.greenrobot.greendao.annotation.Generated;
 
+/**
+ * @author Zane
+ */
 @Entity(indexes = {@Index(value = "origin, locale, translator asc", unique = true)})
 public class TranslationResult {
     @Id(autoincrement = true) private Long id;

app/src/main/java/com/zane/smapiinstaller/dto/YouDaoTranslationDto.java

@@ -1,9 +1,12 @@
-package com.zane.smapiinstaller.entity;
+package com.zane.smapiinstaller.dto;
 
 import java.util.List;
 
 import lombok.Data;
 
+/**
+ * @author Zane
+ */
 @Data
 public class YouDaoTranslationDto {
     private String type;

app/src/main/java/com/zane/smapiinstaller/entity/ApkFilesManifest.java

@@ -7,6 +7,7 @@ import lombok.Data;
 
 /**
  * SMAPI所需处理的文件清单
+ * @author Zane
  */
 @Data
 public class ApkFilesManifest {

app/src/main/java/com/zane/smapiinstaller/entity/AppConfig.java

@@ -5,6 +5,9 @@ import org.greenrobot.greendao.annotation.Id;
 import org.greenrobot.greendao.annotation.Unique;
 import org.greenrobot.greendao.annotation.Generated;
 
+/**
+ * @author Zane
+ */
 @Entity
 public class AppConfig {
     @Id(autoincrement = true) private Long id;

app/src/main/java/com/zane/smapiinstaller/entity/DownloadableContent.java

@@ -4,6 +4,7 @@ import lombok.Data;
 
 /**
  * 可下载内容包
+ * @author Zane
  */
 @Data
 public class DownloadableContent {

app/src/main/java/com/zane/smapiinstaller/entity/DownloadableContentList.java

@@ -7,6 +7,7 @@ import lombok.EqualsAndHashCode;
 
 /**
  * 可下载内容列表
+ * @author Zane
  */
 @Data
 @EqualsAndHashCode(callSuper = true)

app/src/main/java/com/zane/smapiinstaller/entity/FrameworkConfig.java

@@ -1,13 +1,13 @@
 package com.zane.smapiinstaller.entity;
 
 import com.fasterxml.jackson.annotation.JsonAutoDetect;
-import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import lombok.Data;
 
 /**
  * SMAPI的配置
+ * @author Zane
  */
 @Data
 @JsonAutoDetect(fieldVisibility=JsonAutoDetect.Visibility.ANY, getterVisibility= JsonAutoDetect.Visibility.NONE)

app/src/main/java/com/zane/smapiinstaller/entity/HelpItemList.java

@@ -7,6 +7,7 @@ import lombok.EqualsAndHashCode;
 
 /**
  * 帮助内容列表
+ * @author Zane
  */
 @Data
 @EqualsAndHashCode(callSuper = true)

app/src/main/java/com/zane/smapiinstaller/entity/ManifestEntry.java

@@ -4,6 +4,7 @@ import lombok.Data;
 
 /**
  * 文件映射关系
+ * @author Zane
  */
 @Data
 public class ManifestEntry {

app/src/main/java/com/zane/smapiinstaller/entity/ModManifestEntry.java

@@ -2,12 +2,14 @@ package com.zane.smapiinstaller.entity;
 
 import com.fasterxml.jackson.annotation.JsonAutoDetect;
 
+import java.util.List;
 import java.util.Set;
 
 import lombok.Data;
 
 /**
  * Mod信息
+ * @author Zane
  */
 @Data
 @JsonAutoDetect(fieldVisibility=JsonAutoDetect.Visibility.ANY, getterVisibility= JsonAutoDetect.Visibility.NONE)
@@ -36,6 +38,10 @@ public class ModManifestEntry {
      * 依赖
      */
     private Set<ModManifestEntry> Dependencies;
+    /**
+     * MOD更新源
+     */
+    private List<String> UpdateKeys;
     /**
      * 资源包类型
      */

app/src/main/java/com/zane/smapiinstaller/entity/UpdatableList.java

@@ -4,6 +4,7 @@ import lombok.Data;
 
 /**
  * 可更新列表
+ * @author Zane
  */
 @Data
 public class UpdatableList {

app/src/main/java/com/zane/smapiinstaller/logic/ApkPatcher.java

@@ -53,6 +53,9 @@ import androidx.core.content.FileProvider;
 import java9.util.stream.StreamSupport;
 import pxb.android.axml.NodeVisitor;
 
+/**
+ * @author Zane
+ */
 public class ApkPatcher {
 
     private static final String PASSWORD = "android";
@@ -61,13 +64,13 @@ public class ApkPatcher {
 
     private static final String TAG = "PATCHER";
 
-    private AtomicReference<String> errorMessage = new AtomicReference<>();
+    private final AtomicReference<String> errorMessage = new AtomicReference<>();
 
-    private AtomicInteger switchAction = new AtomicInteger();
+    private final AtomicInteger switchAction = new AtomicInteger();
 
-    private List<Consumer<Integer>> progressListener = new ArrayList<>();
+    private final List<Consumer<Integer>> progressListener = new ArrayList<>();
 
-    private Stopwatch stopwatch = Stopwatch.createUnstarted();
+    private final Stopwatch stopwatch = Stopwatch.createUnstarted();
 
     public ApkPatcher(Context context) {
         this.context = context;
@@ -160,9 +163,8 @@ public class ApkPatcher {
             int baseProgress = 10;
             stopwatch.reset();
             stopwatch.start();
-            ZipUtils.addOrReplaceEntries(apkPath, entries, patchedFilename, (progress)->{
+            ZipUtils.addOrReplaceEntries(apkPath, entries, patchedFilename,
-                emitProgress((int) (baseProgress + (progress / 100.0) * 35));
+                    (progress) -> emitProgress((int) (baseProgress + (progress / 100.0) * 35)));
-            });
             stopwatch.stop();
             emitProgress(45);
             FileUtils.forceDelete(file);
@@ -275,12 +277,12 @@ public class ApkPatcher {
                 stopwatch.reset();
                 Thread thread = new Thread(() -> {
                     stopwatch.start();
-                    while (true){
+                    while (true) {
                         try {
                             Thread.sleep(20);
                             long elapsed = stopwatch.elapsed(TimeUnit.MILLISECONDS);
                             double progress = elapsed * 0.98 / zipOpElapsed;
-                            if(progress < 1.0) {
+                            if (progress < 1.0) {
                                 emitProgress((int) (49 + 40 * progress));
                             }
                         } catch (InterruptedException ignored) {
@@ -290,7 +292,7 @@ public class ApkPatcher {
                 });
                 thread.start();
                 signer.sign();
-                if(thread.isAlive() && !thread.isInterrupted()) {
+                if (thread.isAlive() && !thread.isInterrupted()) {
                     thread.interrupt();
                 }
                 FileUtils.forceDelete(new File(apkPath));

app/src/main/java/com/zane/smapiinstaller/logic/CommonLogic.java

@@ -13,7 +13,6 @@ import android.util.Log;
 import android.view.View;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
-import android.view.animation.DecelerateInterpolator;
 import android.widget.ImageView;
 
 import com.fasterxml.jackson.core.type.TypeReference;
@@ -21,7 +20,6 @@ import com.google.common.base.Predicate;
 import com.google.common.collect.Lists;
 import com.google.common.io.ByteStreams;
 import com.zane.smapiinstaller.MainApplication;
-import com.zane.smapiinstaller.R;
 import com.zane.smapiinstaller.entity.ApkFilesManifest;
 import com.zane.smapiinstaller.entity.ManifestEntry;
 import com.zane.smapiinstaller.utils.FileUtils;
@@ -44,6 +42,7 @@ import pxb.android.axml.NodeVisitor;
 
 /**
  * 通用逻辑
+ * @author Zane
  */
 public class CommonLogic {
     /**

app/src/main/java/com/zane/smapiinstaller/logic/ConfigManager.java

@@ -10,6 +10,7 @@ import java.io.File;
 
 /**
  * 配置管理器
+ * @author Zane
  */
 public class ConfigManager {
     private FrameworkConfig config;

app/src/main/java/com/zane/smapiinstaller/logic/GameLauncher.java

@@ -13,6 +13,7 @@ import com.zane.smapiinstaller.utils.DialogUtils;
 
 /**
  * 游戏启动器
+ * @author Zane
  */
 public class GameLauncher {
 

app/src/main/java/com/zane/smapiinstaller/logic/ListenableObject.java

@@ -0,0 +1,36 @@
+package com.zane.smapiinstaller.logic;
+
+import java.util.List;
+
+import java9.util.function.Predicate;
+
+/**
+ * @author Zane
+ */
+public interface ListenableObject<T> {
+    /**
+     * 返回一个当前已注册的监听器列表
+     * @return 监听器列表
+     */
+    List<Predicate<T>> getOnChangedListenerList();
+    /**
+     * 注册数据变化监听器
+     *
+     * @param onChanged 回调
+     */
+    default void registerOnChangeListener(Predicate<T> onChanged) {
+        getOnChangedListenerList().add(onChanged);
+    }
+
+    /**
+     * 发起数据变化事件
+     * @param data 数据
+     */
+    default void emitDataChangeEvent(T data) {
+        for (Predicate<T> listener : getOnChangedListenerList()) {
+            if(listener.test(data)) {
+                return;
+            }
+        }
+    }
+}

app/src/main/java/com/zane/smapiinstaller/logic/ModAssetsManager.java

@@ -11,7 +11,6 @@ import com.google.common.base.Joiner;
 import com.google.common.base.Predicate;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableListMultimap;
-import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Multimaps;
 import com.google.common.collect.Queues;
@@ -31,6 +30,10 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
+import java9.util.Objects;
+import java9.util.stream.Collectors;
+import java9.util.stream.StreamSupport;
+
 import androidx.core.util.Consumer;
 
 /**
@@ -48,6 +51,7 @@ public class ModAssetsManager {
 
     /**
      * 查找第一个匹配的Mod
+     *
      * @param filter 过滤规则
      * @return Mod信息
      */
@@ -81,6 +85,7 @@ public class ModAssetsManager {
 
     /**
      * 查找全部已识别Mod
+     *
      * @return Mod信息列表
      */
     public static List<ModManifestEntry> findAllInstalledMods() {
@@ -89,6 +94,7 @@ public class ModAssetsManager {
 
     /**
      * 查找全部已识别Mod
+     *
      * @param ignoreDisabledMod 是否忽略禁用的mod
      * @return Mod信息列表
      */
@@ -101,13 +107,13 @@ public class ModAssetsManager {
             if (currentFile != null && currentFile.exists()) {
                 boolean foundManifest = false;
                 File[] listFiles = currentFile.listFiles(File::isFile);
-                if(listFiles != null) {
+                if (listFiles != null) {
                     for (File file : listFiles) {
                         if (StringUtils.equalsIgnoreCase(file.getName(), "manifest.json")) {
                             ModManifestEntry manifest = FileUtils.getFileJson(file, ModManifestEntry.class);
                             foundManifest = true;
                             if (manifest != null && StringUtils.isNoneBlank(manifest.getUniqueID())) {
-                                if(ignoreDisabledMod && StringUtils.startsWith(file.getParentFile().getName(), ".")) {
+                                if (ignoreDisabledMod && StringUtils.startsWith(file.getParentFile().getName(), ".")) {
                                     break;
                                 }
                                 manifest.setAssetPath(file.getParentFile().getAbsolutePath());
@@ -120,7 +126,7 @@ public class ModAssetsManager {
                 }
                 if (!foundManifest) {
                     File[] listDirectories = currentFile.listFiles(File::isDirectory);
-                    if(listDirectories != null) {
+                    if (listDirectories != null) {
                         files.addAll(Lists.newArrayList(listDirectories));
                     }
                 }
@@ -131,11 +137,13 @@ public class ModAssetsManager {
 
     /**
      * 安装默认Mod
+     *
      * @return 是否安装成功
      */
     public boolean installDefaultMods() {
         Activity context = CommonLogic.getActivityFromView(root);
-        List<ModManifestEntry> modManifestEntries = FileUtils.getAssetJson(context, "mods_manifest.json", new TypeReference<List<ModManifestEntry>>() { });
+        List<ModManifestEntry> modManifestEntries = FileUtils.getAssetJson(context, "mods_manifest.json", new TypeReference<List<ModManifestEntry>>() {
+        });
         if (modManifestEntries == null) {
             return false;
         }
@@ -172,6 +180,7 @@ public class ModAssetsManager {
 
     /**
      * 检查Mod环境
+     *
      * @param returnCallback 回调函数
      */
     public void checkModEnvironment(Consumer<Boolean> returnCallback) {
@@ -193,6 +202,7 @@ public class ModAssetsManager {
 
     /**
      * 检查是否有重复Mod
+     *
      * @param installedModMap 已安装Mod集合
      * @param returnCallback  回调函数
      */
@@ -205,7 +215,7 @@ public class ModAssetsManager {
                 list.add(Joiner.on(",").join(Lists.transform(installedMods, item -> FileUtils.toPrettyPath(item.getAssetPath()))));
             }
         }
-        if (list.size() > 0) {
+        if (!list.isEmpty()) {
             DialogUtils.showConfirmDialog(root, R.string.error,
                     root.getContext().getString(R.string.duplicate_mod_found, Joiner.on(";").join(list)),
                     R.string.continue_text, R.string.abort,
@@ -216,56 +226,23 @@ public class ModAssetsManager {
                             returnCallback.accept(false);
                         }
                     }));
-        }
+        } else {
-        else {
             returnCallback.accept(true);
         }
     }
 
     /**
      * 检查是否有依赖关系缺失
+     *
      * @param installedModMap 已安装Mod集合
      * @param returnCallback  回调函数
      */
     private void checkUnsatisfiedDependencies(ImmutableListMultimap<String, ModManifestEntry> installedModMap, Consumer<Boolean> returnCallback) {
-        Iterable<String> dependencyErrors = Iterables.filter(Iterables.transform(installedModMap.values(), mod -> {
+        List<String> dependencyErrors = StreamSupport.stream(installedModMap.values())
-            if (mod.getDependencies() != null) {
+                .map(mod -> checkModDependencyError(mod, installedModMap))
-                ArrayList<ModManifestEntry> unsatisfiedDependencies = Lists.newArrayList(Iterables.filter(mod.getDependencies(), dependency -> {
+                .filter(Objects::nonNull)
-                    if(dependency.getIsRequired() != null && !dependency.getIsRequired()) {
+                .collect(Collectors.toList());
-                        return false;
+        if (dependencyErrors.size() > 0) {
-                    }
-                    ImmutableList<ModManifestEntry> entries = installedModMap.get(dependency.getUniqueID());
-                    if(entries.size() == 0) {
-                        for (String key : installedModMap.keySet()) {
-                            if(StringUtils.equalsIgnoreCase(key, dependency.getUniqueID())) {
-                                dependency.setUniqueID(key);
-                                entries = installedModMap.get(dependency.getUniqueID());
-                                break;
-                            }
-                        }
-                    }
-                    if (entries.size() != 1) {
-                        return true;
-                    }
-                    String version = entries.get(0).getVersion();
-                    if (StringUtils.isBlank(version)) {
-                        return true;
-                    }
-                    if (StringUtils.isBlank(dependency.getMinimumVersion())) {
-                        return false;
-                    }
-                    if (VersionUtil.compareVersion(version, dependency.getMinimumVersion()) < 0) {
-                        return true;
-                    }
-                    return false;
-                }));
-                if (unsatisfiedDependencies.size() > 0) {
-                    return root.getContext().getString(R.string.error_depends_on_mod, mod.getUniqueID(), Joiner.on(",").join(Lists.transform(unsatisfiedDependencies, ModManifestEntry::getUniqueID)));
-                }
-            }
-            return null;
-        }), item -> item != null);
-        if (dependencyErrors.iterator().hasNext()) {
             DialogUtils.showConfirmDialog(root, R.string.error,
                     Joiner.on(";").join(dependencyErrors),
                     R.string.continue_text, R.string.abort,
@@ -276,51 +253,22 @@ public class ModAssetsManager {
                             returnCallback.accept(false);
                         }
                     }));
-        }
+        } else {
-        else {
             returnCallback.accept(true);
         }
     }
 
     /**
      * 检查是否有资源包依赖Mod没有安装
+     *
      * @param installedModMap 已安装Mod集合
      * @param returnCallback  回调函数
      */
     private void checkContentpacks(ImmutableListMultimap<String, ModManifestEntry> installedModMap, Consumer<Boolean> returnCallback) {
-        Iterable<String> dependencyErrors = Iterables.filter(Iterables.transform(installedModMap.values(), mod -> {
+        List<String> dependencyErrors = StreamSupport.stream(installedModMap.values())
-            ModManifestEntry dependency = mod.getContentPackFor();
+                .map(mod -> checkContentPackDependencyError(mod, installedModMap))
-            if (dependency != null) {
+                .filter(Objects::nonNull).collect(Collectors.toList());
-                if(dependency.getIsRequired() != null && !dependency.getIsRequired()) {
+        if (!dependencyErrors.isEmpty()) {
-                    return null;
-                }
-                ImmutableList<ModManifestEntry> entries = installedModMap.get(dependency.getUniqueID());
-                if(entries.size() == 0) {
-                    for (String key : installedModMap.keySet()) {
-                        if(StringUtils.equalsIgnoreCase(key, dependency.getUniqueID())) {
-                            dependency.setUniqueID(key);
-                            entries = installedModMap.get(dependency.getUniqueID());
-                            break;
-                        }
-                    }
-                }
-                if (entries.size() != 1) {
-                    return root.getContext().getString(R.string.error_depends_on_mod, mod.getUniqueID(), dependency.getUniqueID());
-                }
-                String version = entries.get(0).getVersion();
-                if (!StringUtils.isBlank(version)) {
-                    if (StringUtils.isBlank(dependency.getMinimumVersion())) {
-                        return null;
-                    }
-                    if (VersionUtil.compareVersion(version, dependency.getMinimumVersion()) < 0) {
-                        return root.getContext().getString(R.string.error_depends_on_mod_version, mod.getUniqueID(), dependency.getUniqueID(), dependency.getMinimumVersion());
-                    }
-                }
-                return null;
-            }
-            return null;
-        }), item -> item != null);
-        if (dependencyErrors.iterator().hasNext()) {
             DialogUtils.showConfirmDialog(root, R.string.error,
                     Joiner.on(";").join(dependencyErrors),
                     R.string.continue_text, R.string.abort,
@@ -331,9 +279,83 @@ public class ModAssetsManager {
                             returnCallback.accept(false);
                         }
                     }));
-        }
+        } else {
-        else {
             returnCallback.accept(true);
         }
     }
+
+    private String checkModDependencyError(ModManifestEntry mod, ImmutableListMultimap<String, ModManifestEntry> installedModMap) {
+        if (mod.getDependencies() != null) {
+            List<ModManifestEntry> unsatisfiedDependencies = StreamSupport.stream(mod.getDependencies())
+                    .filter(dependency -> isDependencyIsExist(dependency, installedModMap))
+                    .collect(Collectors.toList());
+            if (unsatisfiedDependencies.size() > 0) {
+                return root.getContext().getString(R.string.error_depends_on_mod, mod.getUniqueID(), Joiner.on(",").join(Lists.transform(unsatisfiedDependencies, ModManifestEntry::getUniqueID)));
+            }
+        }
+        return null;
+    }
+
+    private boolean isDependencyIsExist(ModManifestEntry dependency, ImmutableListMultimap<String, ModManifestEntry> installedModMap) {
+        if (dependency.getIsRequired() != null && !dependency.getIsRequired()) {
+            return false;
+        }
+        ImmutableList<ModManifestEntry> entries = installedModMap.get(dependency.getUniqueID());
+        if (entries.size() == 0) {
+            for (String key : installedModMap.keySet()) {
+                if (StringUtils.equalsIgnoreCase(key, dependency.getUniqueID())) {
+                    dependency.setUniqueID(key);
+                    entries = installedModMap.get(dependency.getUniqueID());
+                    break;
+                }
+            }
+        }
+        if (entries.size() != 1) {
+            return true;
+        }
+        String version = entries.get(0).getVersion();
+        if (StringUtils.isBlank(version)) {
+            return true;
+        }
+        if (StringUtils.isBlank(dependency.getMinimumVersion())) {
+            return false;
+        }
+        if (VersionUtil.compareVersion(version, dependency.getMinimumVersion()) < 0) {
+            return true;
+        }
+        return false;
+    }
+
+    private String checkContentPackDependencyError(ModManifestEntry mod, ImmutableListMultimap<String, ModManifestEntry> installedModMap) {
+        ModManifestEntry dependency = mod.getContentPackFor();
+        if (dependency != null) {
+            if (dependency.getIsRequired() != null && !dependency.getIsRequired()) {
+                return null;
+            }
+            ImmutableList<ModManifestEntry> entries = installedModMap.get(dependency.getUniqueID());
+            if (entries.size() == 0) {
+                for (String key : installedModMap.keySet()) {
+                    if (StringUtils.equalsIgnoreCase(key, dependency.getUniqueID())) {
+                        dependency.setUniqueID(key);
+                        entries = installedModMap.get(dependency.getUniqueID());
+                        break;
+                    }
+                }
+            }
+            if (entries.size() != 1) {
+                return root.getContext().getString(R.string.error_depends_on_mod, mod.getUniqueID(), dependency.getUniqueID());
+            }
+            String version = entries.get(0).getVersion();
+            if (!StringUtils.isBlank(version)) {
+                if (StringUtils.isBlank(dependency.getMinimumVersion())) {
+                    return null;
+                }
+                if (VersionUtil.compareVersion(version, dependency.getMinimumVersion()) < 0) {
+                    return root.getContext().getString(R.string.error_depends_on_mod_version, mod.getUniqueID(), dependency.getUniqueID(), dependency.getMinimumVersion());
+                }
+            }
+            return null;
+        }
+        return null;
+    }
 }

app/src/main/java/com/zane/smapiinstaller/logic/UpdatableListManager.java

@@ -2,9 +2,6 @@ package com.zane.smapiinstaller.logic;
 
 import android.view.View;
 
-import com.google.common.base.Predicate;
-import com.google.common.collect.ClassToInstanceMap;
-import com.google.common.collect.MutableClassToInstanceMap;
 import com.hjq.language.LanguagesManager;
 import com.lzy.okgo.OkGo;
 import com.lzy.okgo.callback.StringCallback;
@@ -19,16 +16,19 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
+import java9.util.function.Predicate;
+
 /**
  * 在线列表更新管理器
+ * @author Zane
  * @param <T> 列表类型
  */
-public class UpdatableListManager<T extends UpdatableList> {
+public class UpdatableListManager<T extends UpdatableList> implements ListenableObject<T> {
-    private static ConcurrentHashMap<Class<?>, Boolean> updateChecked = new ConcurrentHashMap<>();
+    private static final ConcurrentHashMap<Class<?>, Boolean> updateChecked = new ConcurrentHashMap<>();
 
     private static UpdatableList updatableList = null;
 
-    private List<Predicate<T>> onChangedListener = new ArrayList<>();
+    private final List<Predicate<T>> onChangedListener = new ArrayList<>();
 
     /**
      * @param root      context容器
@@ -64,9 +64,7 @@ public class UpdatableListManager<T extends UpdatableList> {
                 if(content != null && updatableList.getVersion() < content.getVersion()) {
                     FileUtils.writeAssetJson(root.getContext(), finalFilename, content);
                     updatableList = content;
-                    for (Predicate<T> listener : onChangedListener) {
+                    emitDataChangeEvent(getList());
-                        listener.apply(getList());
-                    }
                 }
             }
         });
@@ -79,11 +77,8 @@ public class UpdatableListManager<T extends UpdatableList> {
         return (T) updatableList;
     }
 
-    /**
+    @Override
-     * 注册列表变化监听器
+    public List<Predicate<T>> getOnChangedListenerList() {
-     * @param onChanged 回调
+        return onChangedListener;
-     */
-    public void registerListChangeListener(Predicate<T> onChanged) {
-        this.onChangedListener.add(onChanged);
     }
 }

app/src/main/java/com/zane/smapiinstaller/ui/about/AboutFragment.java

@@ -10,9 +10,6 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.animation.Animation;
-import android.view.animation.AnimationUtils;
-import android.view.animation.DecelerateInterpolator;
 import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.Toast;
@@ -27,7 +24,11 @@ import androidx.fragment.app.Fragment;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
+import java9.util.Objects;
 
+/**
+ * @author Zane
+ */
 public class AboutFragment extends Fragment {
 
     @BindView(R.id.img_heart)
@@ -40,22 +41,23 @@ public class AboutFragment extends Fragment {
         ButterKnife.bind(this, root);
         return root;
     }
-    @OnClick(R.id.button_release) void release() {
+
+    @OnClick(R.id.button_release)
+    void release() {
         CommonLogic.openUrl(this.getContext(), "https://github.com/ZaneYork/SMAPI-Android-Installer/releases");
     }
-    @OnClick(R.id.button_gplay) void gplay() {
+
-        try
+    @OnClick(R.id.button_gplay)
-        {
+    void gplay() {
+        try {
             this.openPlayStore("market://details?id=" + this.getActivity().getPackageName());
-        }
+        } catch (ActivityNotFoundException ex) {
-        catch (ActivityNotFoundException ex)
-        {
             CommonLogic.openUrl(this.getContext(), "https://play.google.com/store/apps/details?id=" + this.getActivity().getPackageName());
         }
 
     }
-    private void openPlayStore(String url)
+
-    {
+    private void openPlayStore(String url) {
         Intent intent = new Intent("android.intent.action.VIEW");
         intent.setData(Uri.parse(url));
         intent.setPackage("com.android.vending");
@@ -63,55 +65,61 @@ public class AboutFragment extends Fragment {
         this.getActivity().startActivity(intent);
     }
 
-    @OnClick({R.id.button_qq_group_1, R.id.button_qq_group_2}) void joinQQ(Button which) {
+    @OnClick({R.id.button_qq_group_1, R.id.button_qq_group_2})
+    void joinQQ(Button which) {
         String baseUrl = "mqqopensdkapi://bizAgent/qm/qr?url=http%3A%2F%2Fqm.qq.com%2Fcgi-bin%2Fqm%2Fqr%3Ffrom%3Dapp%26p%3Dandroid%26k%3D";
-        if(which.getId() == R.id.button_qq_group_1) {
+        if (which.getId() == R.id.button_qq_group_1) {
             CommonLogic.openUrl(this.getContext(), baseUrl + "AAflCLHiWw1haM1obu_f-CpGsETxXc6b");
-        }
+        } else {
-        else {
             CommonLogic.openUrl(this.getContext(), baseUrl + "kshK7BavcS2jXZ6exDvezc18ksLB8YsM");
         }
     }
 
-    @OnClick(R.id.button_donation) void donation(View view) {
+    @OnClick(R.id.button_donation)
+    void donation() {
         Context context = this.getContext();
-        DialogUtils.setCurrentDialog(new MaterialDialog.Builder(context).title(R.string.button_donation_text).items(R.array.donation_methods).itemsCallback((dialog, itemView, position, text) -> {
+        DialogUtils.setCurrentDialog(new MaterialDialog.Builder(context)
-            CommonLogic.showAnimation(imgHeart, R.anim.heart_beat, (animation)->{
+                .title(R.string.button_donation_text)
-                switch (position){
+                .items(R.array.donation_methods)
-                    case 0:
+                .itemsCallback((dialog, itemView, position, text) ->
-                        boolean hasInstalledAlipayClient = AlipayDonate.hasInstalledAlipayClient(context);
+                        CommonLogic.showAnimation(imgHeart, R.anim.heart_beat, (animation) -> {
-                        if (hasInstalledAlipayClient) {
+                            listSelectLogic(context, position);
-                            AlipayDonate.startAlipayClient(this.getActivity(), "fkx13570v1pp2xenyrx4y3f");
+                        })).show());
-                        }
+    }
-                        else {
+
-                            CommonLogic.openUrl(context, "http://dl.zaneyork.cn/alipay.png");
+    private void listSelectLogic(Context context, int position) {
-                        }
+        switch (position) {
-                        break;
+            case 0:
-                    case 1:
+                boolean hasInstalledAlipayClient = AlipayDonate.hasInstalledAlipayClient(context);
-                        CommonLogic.openUrl(context, "http://dl.zaneyork.cn/wechat.png");
+                if (hasInstalledAlipayClient) {
-                        break;
+                    AlipayDonate.startAlipayClient(this.getActivity(), "fkx13570v1pp2xenyrx4y3f");
-                    case 2:
+                } else {
-                        CommonLogic.openUrl(context, "http://dl.zaneyork.cn/qqpay.png");
+                    CommonLogic.openUrl(context, "http://dl.zaneyork.cn/alipay.png");
-                        break;
-                    case 3:
-                        hasInstalledAlipayClient = AlipayDonate.hasInstalledAlipayClient(context);
-                        if (hasInstalledAlipayClient) {
-                            if (CommonLogic.copyToClipboard(context, Constants.RED_PACKET_CODE)) {
-                                PackageManager packageManager = context.getPackageManager();
-                                Intent intent = packageManager.getLaunchIntentForPackage("com.eg.android.AlipayGphone");
-                                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-                                context.startActivity(intent);
-                                Toast.makeText(context, R.string.toast_redpacket_message, Toast.LENGTH_LONG).show();
-                            }
-                        }
-                        break;
-                    case 4:
-                        CommonLogic.openUrl(context, "http://zaneyork.cn/download/list.html");
-                        break;
-                    default:
-                        break;
                 }
-            });
+                break;
-        }).show());
+            case 1:
+                CommonLogic.openUrl(context, "http://dl.zaneyork.cn/wechat.png");
+                break;
+            case 2:
+                CommonLogic.openUrl(context, "http://dl.zaneyork.cn/qqpay.png");
+                break;
+            case 3:
+                hasInstalledAlipayClient = AlipayDonate.hasInstalledAlipayClient(context);
+                if (hasInstalledAlipayClient) {
+                    if (CommonLogic.copyToClipboard(context, Constants.RED_PACKET_CODE)) {
+                        PackageManager packageManager = context.getPackageManager();
+                        Intent intent = packageManager.getLaunchIntentForPackage("com.eg.android.AlipayGphone");
+                        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                        context.startActivity(intent);
+                        Toast.makeText(context, R.string.toast_redpacket_message, Toast.LENGTH_LONG).show();
+                    }
+                }
+                break;
+            case 4:
+                CommonLogic.openUrl(context, "http://zaneyork.cn/download/list.html");
+                break;
+            default:
+                break;
+        }
     }
 }

app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigEditFragment.java

@@ -13,13 +13,13 @@ import android.widget.EditText;
 import com.afollestad.materialdialogs.DialogAction;
 import com.zane.smapiinstaller.BuildConfig;
 import com.zane.smapiinstaller.R;
+import com.zane.smapiinstaller.constant.Constants;
 import com.zane.smapiinstaller.utils.DialogUtils;
 import com.zane.smapiinstaller.utils.FileUtils;
 import com.zane.smapiinstaller.utils.JSONUtil;
 
 import java.io.File;
 import java.io.FileOutputStream;
-import java.io.IOException;
 import java.io.OutputStreamWriter;
 
 import androidx.annotation.NonNull;
@@ -30,6 +30,9 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
+/**
+ * @author Zane
+ */
 public class ConfigEditFragment extends Fragment {
     @BindView(R.id.edit_text_config_edit)
     EditText editText;
@@ -54,7 +57,7 @@ public class ConfigEditFragment extends Fragment {
         configPath = this.getArguments().getString("configPath");
         if(configPath != null) {
             File file = new File(configPath);
-            if(file.exists() && file.length() < 16 * 1024 * 1024) {
+            if(file.exists() && file.length() < Constants.TEXT_FILE_OPEN_SIZE_LIMIT) {
                 String fileText = FileUtils.getFileText(file);
                 if (fileText != null) {
                     editText.setText(fileText);

app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigFragment.java

@@ -16,12 +16,14 @@ import butterknife.OnClick;
 import butterknife.OnTextChanged;
 
 import com.afollestad.materialdialogs.MaterialDialog;
-import com.google.common.collect.Lists;
 import com.zane.smapiinstaller.R;
 import com.zane.smapiinstaller.utils.DialogUtils;
 
 import java.util.ArrayList;
 
+/**
+ * @author Zane
+ */
 public class ConfigFragment extends Fragment {
 
     @BindView(R.id.view_mod_list)
@@ -37,9 +39,9 @@ public class ConfigFragment extends Fragment {
         configViewModel = new ConfigViewModel(root);
         ModManifestAdapter modManifestAdapter = new ModManifestAdapter(configViewModel, new ArrayList<>(configViewModel.getModList()));
         recyclerView.setAdapter(modManifestAdapter);
-        configViewModel.registerListChangeListener((list) -> {
+        configViewModel.registerOnChangeListener((list) -> {
             modManifestAdapter.setList(new ArrayList<>(list));
-            return true;
+            return false;
         });
         recyclerView.addItemDecoration(new DividerItemDecoration(recyclerView.getContext(), DividerItemDecoration.VERTICAL));
         return root;

app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigViewModel.java

@@ -2,12 +2,8 @@ package com.zane.smapiinstaller.ui.config;
 
 import android.view.View;
 
-import com.google.common.base.Predicate;
 import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
 import com.hjq.language.LanguagesManager;
 import com.zane.smapiinstaller.MainApplication;
 import com.zane.smapiinstaller.constant.AppConfigKey;
@@ -15,9 +11,10 @@ import com.zane.smapiinstaller.entity.AppConfig;
 import com.zane.smapiinstaller.entity.AppConfigDao;
 import com.zane.smapiinstaller.entity.DaoSession;
 import com.zane.smapiinstaller.entity.ModManifestEntry;
-import com.zane.smapiinstaller.entity.TranslationResult;
+import com.zane.smapiinstaller.dto.TranslationResult;
 import com.zane.smapiinstaller.entity.TranslationResultDao;
 import com.zane.smapiinstaller.logic.CommonLogic;
+import com.zane.smapiinstaller.logic.ListenableObject;
 import com.zane.smapiinstaller.logic.ModAssetsManager;
 import com.zane.smapiinstaller.utils.TranslateUtil;
 
@@ -30,20 +27,24 @@ import java.util.List;
 
 import androidx.annotation.NonNull;
 import androidx.lifecycle.ViewModel;
+import java9.util.Objects;
+import java9.util.function.Predicate;
+import java9.util.stream.Collectors;
+import java9.util.stream.StreamSupport;
 
-class ConfigViewModel extends ViewModel {
+class ConfigViewModel extends ViewModel implements ListenableObject<List<ModManifestEntry>> {
 
     @NonNull
-    private List<ModManifestEntry> modList;
+    private final List<ModManifestEntry> modList;
     private List<ModManifestEntry> filteredModList;
 
     private String sortBy = "Name asc";
     public String getSortBy() {
         return sortBy;
     }
-    private View root;
+    private final View root;
 
-    private List<Predicate<List<ModManifestEntry>>> onChangedListener = new ArrayList<>();
+    private final List<Predicate<List<ModManifestEntry>>> onChangedListener = new ArrayList<>();
 
     ConfigViewModel(View root) {
         this.root = root;
@@ -102,13 +103,11 @@ class ConfigViewModel extends ViewModel {
             default:
                 return;
         }
-        for (Predicate<List<ModManifestEntry>> listener : onChangedListener) {
+        if(filteredModList != null) {
-            if(filteredModList != null){
+            emitDataChangeEvent(filteredModList);
-                listener.apply(filteredModList);
+        }
-            }
+        else {
-            else {
+            emitDataChangeEvent(modList);
-                listener.apply(modList);
-            }
         }
     }
 
@@ -119,7 +118,7 @@ class ConfigViewModel extends ViewModel {
             AppConfig activeTranslator = daoSession.getAppConfigDao().queryBuilder().where(AppConfigDao.Properties.Name.eq(AppConfigKey.ACTIVE_TRANSLATOR)).build().unique();
             if (activeTranslator != null) {
                 String translator = activeTranslator.getValue();
-                ArrayList<String> descriptions = Lists.newArrayList(Iterables.filter(Iterables.transform(this.modList, ModManifestEntry::getDescription), item -> item != null));
+                List<String> descriptions = StreamSupport.stream(this.modList).map(ModManifestEntry::getDescription).filter(Objects::nonNull).collect(Collectors.toList());
                 String language = LanguagesManager.getAppLanguage(app).getLanguage();
                 Query<TranslationResult> query = daoSession.getTranslationResultDao().queryBuilder().where(
                         TranslationResultDao.Properties.Origin.in(descriptions),
@@ -128,16 +127,15 @@ class ConfigViewModel extends ViewModel {
                 ).build();
                 List<TranslationResult> translationResults = query.list();
                 ImmutableMap<String, TranslationResult> translateMap = Maps.uniqueIndex(translationResults, TranslationResult::getOrigin);
-                List<String> untranslatedText = Lists.newArrayList(Sets.newHashSet(Iterables.filter(Iterables.transform(modList, mod -> {
+                List<String> untranslatedText = StreamSupport.stream(modList).map(mod -> {
-                    assert mod != null;
                     if (translateMap.containsKey(mod.getDescription())) {
                         mod.setTranslatedDescription(translateMap.get(mod.getDescription()).getTranslation());
                         return null;
                     } else {
                         return mod.getDescription();
                     }
-                }), item -> item != null)));
+                }).filter(Objects::nonNull).distinct().collect(Collectors.toList());
-                if (untranslatedText.size() > 0) {
+                if (!untranslatedText.isEmpty()) {
                     TranslateUtil.translateText(untranslatedText, translator, language, (results) -> {
                         daoSession.getTranslationResultDao().insertOrReplaceInTx(results);
                         ImmutableMap<String, TranslationResult> map = Maps.uniqueIndex(results, TranslationResult::getOrigin);
@@ -146,9 +144,7 @@ class ConfigViewModel extends ViewModel {
                                 mod.setTranslatedDescription(map.get(mod.getDescription()).getTranslation());
                             }
                         }
-                        for (Predicate<List<ModManifestEntry>> listener : onChangedListener) {
+                        emitDataChangeEvent(modList);
-                            listener.apply(modList);
-                        }
                         return true;
                     });
                 }
@@ -163,26 +159,17 @@ class ConfigViewModel extends ViewModel {
 
     public void removeAll(Predicate<ModManifestEntry> predicate) {
         for (int i = modList.size() - 1; i >= 0; i--) {
-            if (predicate.apply(modList.get(i))) {
+            if (predicate.test(modList.get(i))) {
                 modList.remove(i);
             }
         }
     }
 
-    /**
-     * 注册列表变化监听器
-     *
-     * @param onChanged 回调
-     */
-    public void registerListChangeListener(Predicate<List<ModManifestEntry>> onChanged) {
-        this.onChangedListener.add(onChanged);
-    }
-
     public void filter(CharSequence text) {
         if (StringUtils.isBlank(text)) {
             filteredModList = modList;
         } else {
-            filteredModList = Lists.newArrayList(Iterables.filter(modList, mod -> {
+            filteredModList = StreamSupport.stream(modList).filter(mod -> {
                 if (StringUtils.containsIgnoreCase(mod.getName(), text)) {
                     return true;
                 }
@@ -191,10 +178,13 @@ class ConfigViewModel extends ViewModel {
                 } else {
                     return StringUtils.containsIgnoreCase(mod.getDescription(), text);
                 }
-            }));
+            }).collect(Collectors.toList());
-        }
-        for (Predicate<List<ModManifestEntry>> listener : onChangedListener) {
-            listener.apply(filteredModList);
         }
+        emitDataChangeEvent(filteredModList);
+    }
+
+    @Override
+    public List<Predicate<List<ModManifestEntry>>> getOnChangedListenerList() {
+        return onChangedListener;
     }
 }

app/src/main/java/com/zane/smapiinstaller/ui/config/ModManifestAdapter.java

@@ -30,6 +30,9 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
+/**
+ * @author Zane
+ */
 public class ModManifestAdapter extends RecyclerView.Adapter<ModManifestAdapter.ViewHolder> {
     private ConfigViewModel model;
     private List<ModManifestEntry> modList;

app/src/main/java/com/zane/smapiinstaller/ui/download/DownloadableContentAdapter.java

@@ -1,5 +1,6 @@
 package com.zane.smapiinstaller.ui.download;
 
+import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 import butterknife.BindView;
 import butterknife.ButterKnife;
@@ -18,8 +19,8 @@ import com.lzy.okgo.OkGo;
 import com.lzy.okgo.callback.FileCallback;
 import com.lzy.okgo.model.Progress;
 import com.lzy.okgo.model.Response;
+import com.microsoft.appcenter.crashes.Crashes;
 import com.zane.smapiinstaller.R;
-import com.zane.smapiinstaller.constant.Constants;
 import com.zane.smapiinstaller.constant.DownloadableContentTypes;
 import com.zane.smapiinstaller.entity.DownloadableContent;
 import com.zane.smapiinstaller.entity.ModManifestEntry;
@@ -38,6 +39,7 @@ import java.util.concurrent.atomic.AtomicReference;
 
 /**
  * {@link RecyclerView.Adapter} that can display a {@link DownloadableContent}
+ * @author Zane
  */
 public class DownloadableContentAdapter extends RecyclerView.Adapter<DownloadableContentAdapter.ViewHolder> {
 
@@ -52,6 +54,7 @@ public class DownloadableContentAdapter extends RecyclerView.Adapter<Downloadabl
         downloadableContentList = items;
     }
 
+    @NonNull
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
         View view = LayoutInflater.from(parent.getContext())
@@ -80,7 +83,7 @@ public class DownloadableContentAdapter extends RecyclerView.Adapter<Downloadabl
         Button buttonRemove;
         @BindView(R.id.button_download_content)
         Button buttonDownload;
-        private AtomicBoolean downloading = new AtomicBoolean(false);
+        private final AtomicBoolean downloading = new AtomicBoolean(false);
 
         public DownloadableContent downloadableContent;
 
@@ -137,8 +140,13 @@ public class DownloadableContentAdapter extends RecyclerView.Adapter<Downloadabl
             }
             File file = new File(context.getCacheDir(), downloadableContent.getName() + ".zip");
             if (file.exists()) {
-                if (!StringUtils.equalsIgnoreCase(com.zane.smapiinstaller.utils.FileUtils.getFileHash(file), downloadableContent.getHash())) {
+                if (!StringUtils.equalsIgnoreCase(FileUtils.getFileHash(file), downloadableContent.getHash())) {
-                    file.delete();
+                    try {
+                        FileUtils.forceDelete(file);
+                    } catch (IOException e) {
+                        Crashes.trackError(e);
+                        return;
+                    }
                 } else {
                     unpackLogic(context, file, modManifestEntry);
                     return;

app/src/main/java/com/zane/smapiinstaller/ui/download/DownloadableContentFragment.java

@@ -18,6 +18,7 @@ import androidx.recyclerview.widget.RecyclerView;
 
 /**
  * A fragment representing a list of Items.
+ * @author Zane
  */
 public class DownloadableContentFragment extends Fragment {
 
@@ -41,7 +42,7 @@ public class DownloadableContentFragment extends Fragment {
             UpdatableListManager<DownloadableContentList> manager = new UpdatableListManager<>(view, "downloadable_content_list.json", DownloadableContentList.class, Constants.DLC_LIST_UPDATE_URL);
             DownloadableContentAdapter adapter = new DownloadableContentAdapter(manager.getList().getContents());
             recyclerView.setAdapter(adapter);
-            manager.registerListChangeListener((list) -> {
+            manager.registerOnChangeListener((list) -> {
                 adapter.setDownloadableContentList(list.getContents());
                 return true;
             });

app/src/main/java/com/zane/smapiinstaller/ui/help/HelpFragment.java

@@ -25,6 +25,9 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
+/**
+ * @author Zane
+ */
 public class HelpFragment extends Fragment {
 
     @BindView(R.id.view_help_list)
@@ -39,9 +42,9 @@ public class HelpFragment extends Fragment {
         UpdatableListManager<HelpItemList> manager = new UpdatableListManager<>(root, "help_item_list.json", HelpItemList.class, Constants.HELP_LIST_UPDATE_URL);
         HelpItemAdapter adapter = new HelpItemAdapter(manager.getList().getItems());
         recyclerView.setAdapter(adapter);
-        manager.registerListChangeListener((list) -> {
+        manager.registerOnChangeListener((list) -> {
             adapter.setHelpItems(list.getItems());
-            return true;
+            return false;
         });
         recyclerView.addItemDecoration(new DividerItemDecoration(recyclerView.getContext(), DividerItemDecoration.VERTICAL));
         return root;

app/src/main/java/com/zane/smapiinstaller/ui/help/HelpItemAdapter.java

@@ -17,6 +17,9 @@ import androidx.recyclerview.widget.RecyclerView;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 
+/**
+ * @author Zane
+ */
 public class HelpItemAdapter extends RecyclerView.Adapter<HelpItemAdapter.ViewHolder>  {
 
     public void setHelpItems(List<HelpItem> helpItems) {

app/src/main/java/com/zane/smapiinstaller/ui/help/HelpViewModel.java

@@ -1,19 +0,0 @@
-package com.zane.smapiinstaller.ui.help;
-
-import androidx.lifecycle.LiveData;
-import androidx.lifecycle.MutableLiveData;
-import androidx.lifecycle.ViewModel;
-
-class HelpViewModel extends ViewModel {
-
-    private MutableLiveData<String> mText;
-
-    public HelpViewModel() {
-        mText = new MutableLiveData<>();
-        mText.setValue("This is help fragment");
-    }
-
-    public LiveData<String> getText() {
-        return mText;
-    }
-}

app/src/main/java/com/zane/smapiinstaller/ui/install/InstallFragment.java

@@ -19,16 +19,16 @@ import com.zane.smapiinstaller.utils.DialogUtils;
 
 import org.apache.commons.lang3.StringUtils;
 
-import java.util.concurrent.atomic.AtomicInteger;
-
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.navigation.NavController;
 import androidx.navigation.Navigation;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
-import lombok.SneakyThrows;
 
+/**
+ * @author Zane
+ */
 public class InstallFragment extends Fragment {
 
     private Context context;
@@ -77,9 +77,7 @@ public class InstallFragment extends Fragment {
             task = new Thread(() -> {
                 try {
                     ApkPatcher patcher = new ApkPatcher(context);
-                    patcher.registerProgressListener((progress)->{
+                    patcher.registerProgressListener((progress)-> DialogUtils.setProgressDialogState(root, dialog, null, progress));
-                        DialogUtils.setProgressDialogState(root, dialog, null, progress);
-                    });
                     DialogUtils.setProgressDialogState(root, dialog, R.string.extracting_package, null);
                     String path = patcher.extract();
                     if (path == null) {

app/src/main/java/com/zane/smapiinstaller/utils/DbOpenHelper.java

@@ -4,10 +4,12 @@ import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
 
 import com.zane.smapiinstaller.entity.DaoMaster;
-import com.zane.smapiinstaller.entity.TranslationResultDao;
 
 import org.greenrobot.greendao.database.Database;
 
+/**
+ * @author Zane
+ */
 public class DbOpenHelper extends DaoMaster.OpenHelper {
     public DbOpenHelper(Context context, String name) {
         super(context, name);

app/src/main/java/com/zane/smapiinstaller/utils/DialogUtils.java

@@ -14,6 +14,7 @@ import java.util.concurrent.atomic.AtomicReference;
 
 /**
  * 对话框相关工具类
+ * @author Zane
  */
 public class DialogUtils {
     private static Dialog currentDialog = null;

app/src/main/java/com/zane/smapiinstaller/utils/FileUtils.java

@@ -9,7 +9,6 @@ import com.google.common.hash.Hashing;
 import com.google.common.io.ByteStreams;
 import com.google.common.io.CharStreams;
 import com.hjq.language.LanguagesManager;
-import com.zane.smapiinstaller.MainApplication;
 
 import org.apache.commons.io.input.BOMInputStream;
 import org.apache.commons.lang3.StringUtils;
@@ -21,12 +20,11 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
-import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;
-import java.util.Locale;
 
 /**
  * 文件工具类
+ * @author Zane
  */
 public class FileUtils extends org.zeroturnaround.zip.commons.FileUtils {
     /**

app/src/main/java/com/zane/smapiinstaller/utils/GzipRequestInterceptor.java

@@ -4,6 +4,7 @@ import com.lzy.okgo.model.HttpHeaders;
 
 import java.io.IOException;
 
+import androidx.annotation.NonNull;
 import okhttp3.Interceptor;
 import okhttp3.MediaType;
 import okhttp3.Request;
@@ -13,6 +14,9 @@ import okio.BufferedSink;
 import okio.GzipSink;
 import okio.Okio;
 
+/**
+ * @author Zane
+ */
 public class GzipRequestInterceptor implements Interceptor {
     @Override
     public Response intercept(Chain chain) throws IOException {
@@ -41,7 +45,7 @@ public class GzipRequestInterceptor implements Interceptor {
             }
 
             @Override
-            public void writeTo(BufferedSink sink) throws IOException {
+            public void writeTo(@NonNull BufferedSink sink) throws IOException {
                 BufferedSink gzipSink = Okio.buffer(new GzipSink(sink));
                 body.writeTo(gzipSink);
                 gzipSink.close();

app/src/main/java/com/zane/smapiinstaller/utils/JSONUtil.java

@@ -10,6 +10,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 
 /**
  * JSON工具类
+ * @author Zane
  */
 public class JSONUtil {
     private static final ObjectMapper MAPPER = new ObjectMapper();

app/src/main/java/com/zane/smapiinstaller/utils/MathUtils.java

@@ -1,10 +1,16 @@
 package com.zane.smapiinstaller.utils;
 
-import java.math.BigDecimal;
 import java.math.BigInteger;
 
+/**
+ * @author Zane
+ */
 public class MathUtils {
 
+    private static int INT_MAX_BIT_VALUE = 31;
+
+    private static int LONG_MAX_BIT_VALUE = 63;
+
     /**
      * Returns the value of the {@code long} argument;
      * throwing an exception if the value overflows an {@code int}.
@@ -34,7 +40,7 @@ public class MathUtils {
      * @since  1.8
      */
     public static int intValueExact(BigInteger value) {
-        if (value.bitLength() <= 31) {
+        if (value.bitLength() <= INT_MAX_BIT_VALUE) {
             return value.intValue();
         } else {
             throw new ArithmeticException("BigInteger out of int range");
@@ -54,7 +60,7 @@ public class MathUtils {
      * @since  1.8
      */
     public static long longValueExact(BigInteger value) {
-        if (value.bitLength() <= 63) {
+        if (value.bitLength() <= LONG_MAX_BIT_VALUE) {
             return value.longValue();
         } else {
             throw new ArithmeticException("BigInteger out of long range");

app/src/main/java/com/zane/smapiinstaller/utils/ReflectionUtils.java

@@ -5,6 +5,9 @@ import android.os.Build;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
 
+/**
+ * @author Zane
+ */
 public class ReflectionUtils {
     public static <T extends Annotation> T getDeclaredAnnotation(Field targetField, Class<T> targetAnnotation) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {

app/src/main/java/com/zane/smapiinstaller/utils/TranslateUtil.java

@@ -3,17 +3,14 @@ package com.zane.smapiinstaller.utils;
 import com.google.common.base.Joiner;
 import com.google.common.base.Predicate;
 import com.google.common.base.Splitter;
-import com.google.common.collect.ImmutableListMultimap;
-import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
-import com.google.common.collect.Multimaps;
 import com.lzy.okgo.OkGo;
 import com.lzy.okgo.callback.StringCallback;
 import com.lzy.okgo.model.Response;
 import com.zane.smapiinstaller.constant.Constants;
-import com.zane.smapiinstaller.entity.GoogleTranslationDto;
+import com.zane.smapiinstaller.dto.GoogleTranslationDto;
-import com.zane.smapiinstaller.entity.TranslationResult;
+import com.zane.smapiinstaller.dto.TranslationResult;
-import com.zane.smapiinstaller.entity.YouDaoTranslationDto;
+import com.zane.smapiinstaller.dto.YouDaoTranslationDto;
 
 import org.apache.commons.lang3.StringUtils;
 
@@ -21,6 +18,12 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
+import java9.util.stream.Collectors;
+import java9.util.stream.StreamSupport;
+
+/**
+ * @author Zane
+ */
 public class TranslateUtil {
 
     public static final String GOOGLE = "Google";
@@ -30,8 +33,8 @@ public class TranslateUtil {
         if(textList == null || textList.size() == 0) {
             return;
         }
-        textList = Lists.newArrayList(Iterables.filter(textList, item -> StringUtils.isNoneBlank(item) && !item.contains("\n")));
+        textList = StreamSupport.stream(textList).filter(item -> StringUtils.isNoneBlank(item) && !item.contains("\n")).collect(Collectors.toList());
-        if(textList.size() == 0) {
+        if(textList.isEmpty()) {
             return;
         }
         String queryText = Joiner.on("%0A").join(textList);

app/src/main/java/com/zane/smapiinstaller/utils/VersionUtil.java

@@ -1,14 +1,16 @@
 package com.zane.smapiinstaller.utils;
 
 import com.google.common.base.Splitter;
-import com.google.common.collect.Iterables;
 
 import org.apache.commons.lang3.StringUtils;
 
 import java.util.List;
 
+import java9.util.stream.StreamSupport;
+
 /**
  * 版本比较工具
+ * @author Zane
  */
 public class VersionUtil {
     /**
@@ -56,7 +58,7 @@ public class VersionUtil {
      * @return 是否为空版本段
      */
     private static boolean isZero(List<String> versionSections) {
-        return !Iterables.filter(versionSections, version -> {
+        return !StreamSupport.stream(versionSections).filter(version -> {
             try {
                 int i = Integer.parseInt(version);
                 if (i == 0) {
@@ -65,7 +67,7 @@ public class VersionUtil {
             } catch (Exception ignored) {
             }
             return true;
-        }).iterator().hasNext();
+        }).findAny().isPresent();
     }
 
     /**

app/src/main/java/com/zane/smapiinstaller/utils/ZipUtils.java

@@ -18,6 +18,9 @@ import java9.util.function.Consumer;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 
+/**
+ * @author Zane
+ */
 public class ZipUtils {
 
     public static void addOrReplaceEntries(String inputZipFilename, List<ZipEntrySource> entrySources, String outputZipFilename, Consumer<Integer> progressCallback) throws IOException {