Add media scan config

app/src/main/java/com/hippo/ehviewer/EhApplication.java

@@ -43,6 +43,7 @@ import com.hippo.network.StatusCodeException;
 import com.hippo.okhttp.CookieDB;
 import com.hippo.scene.SceneApplication;
 import com.hippo.text.Html;
+import com.hippo.unifile.UniFile;
 import com.hippo.util.BitmapUtils;
 import com.hippo.util.ReadableTime;
 import com.hippo.yorozuya.FileUtils;
@@ -112,8 +113,18 @@ public class EhApplication extends SceneApplication implements Thread.UncaughtEx
             Analytics.start(this);
         }
 
-        CommonOperations.ensureNoMediaFile(Settings.getDownloadLocation());
+        // Check no media file
+        UniFile downloadLocation = Settings.getDownloadLocation();
+        if (Settings.getMediaScan()) {
+            CommonOperations.removeNoMediaFile(downloadLocation);
+        } else {
+            CommonOperations.ensureNoMediaFile(downloadLocation);
+        }
+
+        // Clear temp dir
         clearTempDir();
+
+        // Check app update
         update();
 
         // Update version code

app/src/main/java/com/hippo/ehviewer/Settings.java

@@ -559,7 +559,18 @@ public class Settings {
         putString(KEY_DOWNLOAD_SAVE_QUERY, uri.getEncodedQuery());
         putString(KEY_DOWNLOAD_SAVE_FRAGMENT, uri.getEncodedFragment());
 
-        CommonOperations.ensureNoMediaFile(location);
+        if (getMediaScan()) {
+            CommonOperations.removeNoMediaFile(location);
+        } else {
+            CommonOperations.ensureNoMediaFile(location);
+        }
+    }
+
+    public static final String KEY_MEDIA_SCAN = "media_scan";
+    private static final boolean DEFAULT_MEDIA_SCAN = false;
+
+    public static boolean getMediaScan() {
+        return getBoolean(KEY_MEDIA_SCAN, DEFAULT_MEDIA_SCAN);
     }
 
     private static final String KEY_RECENT_DOWNLOAD_LABEL = "recent_download_label";

app/src/main/java/com/hippo/ehviewer/ui/CommonOperations.java

@@ -309,4 +309,15 @@ public final class CommonOperations {
             IOUtils.closeQuietly(is);
         }
     }
+
+    public static void removeNoMediaFile(UniFile file) {
+        if (null == file) {
+            return;
+        }
+
+        UniFile noMedia = file.subFile(".nomedia");
+        if (null != noMedia && noMedia.isFile()) {
+            noMedia.delete();
+        }
+    }
 }

app/src/main/java/com/hippo/ehviewer/ui/fragment/DownloadFragment.java

@@ -32,6 +32,7 @@ import android.widget.Toast;
 
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.Settings;
+import com.hippo.ehviewer.ui.CommonOperations;
 import com.hippo.ehviewer.ui.DirPickerActivity;
 import com.hippo.unifile.UniFile;
 
@@ -52,11 +53,13 @@ public class DownloadFragment extends PreferenceFragment implements
         super.onCreate(savedInstanceState);
         addPreferencesFromResource(R.xml.download_settings);
 
+        Preference mediaScan = findPreference(Settings.KEY_MEDIA_SCAN);
         Preference imageSize = findPreference(Settings.KEY_IMAGE_SIZE);
         mDownloadLocation = findPreference(KEY_DOWNLOAD_LOCATION);
 
         onUpdateDownloadLocation();
 
+        mediaScan.setOnPreferenceChangeListener(this);
         imageSize.setOnPreferenceChangeListener(this);
 
         if (mDownloadLocation != null) {
@@ -190,7 +193,17 @@ public class DownloadFragment extends PreferenceFragment implements
     @Override
     public boolean onPreferenceChange(Preference preference, Object newValue) {
         String key = preference.getKey();
-        if (Settings.KEY_IMAGE_SIZE.equals(key)) {
+        if (Settings.KEY_MEDIA_SCAN.equals(key)) {
+            if (newValue instanceof Boolean) {
+                UniFile downloadLocation = Settings.getDownloadLocation();
+                if ((Boolean) newValue) {
+                    CommonOperations.removeNoMediaFile(downloadLocation);
+                } else {
+                    CommonOperations.ensureNoMediaFile(downloadLocation);
+                }
+            }
+            return true;
+        } else if (Settings.KEY_IMAGE_SIZE.equals(key)) {
             if (newValue instanceof String) {
                 Settings.putImageSize((String) newValue);
             }

app/src/main/res/values-zh-rCN/strings.xml

@@ -418,8 +418,6 @@
     <string name="settings_download_pick_dir_l">Lollipop 提供了新的写入外置 SD 卡的 API。如果您想把下载路径设置到外置 SD 卡上，点击“文档”按钮</string>
     <string name="settings_download_document">文档</string>
     <string name="settings_download_continue">继续</string>
-    <string name="settings_download_restore_download_items">恢复下载项</string>
-    <string name="settings_download_restore_download_items_summary">恢复下载目录里的所有下载项</string>
     <string name="settings_download_multi_thread_download">下载线程数</string>
     <string name="settings_download_multi_thread_download_summary">最多同时下载 %s 张图片</string>
     <string name="settings_download_preload_image">预载图片</string>
@@ -429,6 +427,11 @@
     <string name="settings_download_image_size_auto">自动</string>
     <string name="settings_download_download_origin_image">下载原图</string>
     <string name="settings_download_download_origin_image_summary">这很危险！勾选此项会导致下载配额迅速流失</string>
+    <string name="settings_download_media_scan">允许媒体扫描</string>
+    <string name="settings_download_media_scan_summary_on">请避免他人翻看你的图库应用</string>
+    <string name="settings_download_media_scan_summary_off">大多数图库应用将不会显示下载目录中的图片</string>
+    <string name="settings_download_restore_download_items">恢复下载项</string>
+    <string name="settings_download_restore_download_items_summary">恢复下载目录里的所有下载项</string>
     <string name="settings_download_restoring">恢复中</string>
     <string name="settings_download_restore_not_found">未找到可恢复下载项</string>
     <string name="settings_download_restore_failed">恢复失败</string>

app/src/main/res/values-zh-rHK/strings.xml

@@ -418,8 +418,6 @@
     <string name="settings_download_pick_dir_l">Lollipop 提供了新的寫入外置 SD 卡的 API。如果您想把下載路徑設置到外置 SD 卡上，點擊“文檔”按鈕</string>
     <string name="settings_download_document">文檔</string>
     <string name="settings_download_continue">繼續</string>
-    <string name="settings_download_restore_download_items">恢復下載項</string>
-    <string name="settings_download_restore_download_items_summary">恢復下載目錄裏的所有下載項</string>
     <string name="settings_download_multi_thread_download">下載線程數</string>
     <string name="settings_download_multi_thread_download_summary">最多同時下載 %s 張圖片</string>
     <string name="settings_download_preload_image">預載圖片</string>
@@ -429,6 +427,11 @@
     <string name="settings_download_image_size_auto">自動</string>
     <string name="settings_download_download_origin_image">下載原圖</string>
     <string name="settings_download_download_origin_image_summary">這很危險！勾選此項會導致下載配額迅速流失</string>
+    <string name="settings_download_media_scan">允許媒體掃描</string>
+    <string name="settings_download_media_scan_summary_on">請避免他人翻看你的圖庫應用</string>
+    <string name="settings_download_media_scan_summary_off">大多數圖庫應用將不會顯示下載目錄中的圖片</string>
+    <string name="settings_download_restore_download_items">恢復下載項</string>
+    <string name="settings_download_restore_download_items_summary">恢復下載目錄裏的所有下載項</string>
     <string name="settings_download_restoring">恢復中</string>
     <string name="settings_download_restore_not_found">未找到可恢復下載項</string>
     <string name="settings_download_restore_failed">恢復失敗</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -418,8 +418,6 @@
     <string name="settings_download_pick_dir_l">Lollipop 提供了新的寫入外接 SD 卡的 API。如果您想把下載路徑設定到外接 SD 卡上，點選“文件”按鈕</string>
     <string name="settings_download_document">文件</string>
     <string name="settings_download_continue">繼續</string>
-    <string name="settings_download_restore_download_items">恢復下載項</string>
-    <string name="settings_download_restore_download_items_summary">恢復下載目錄裡的所有下載項</string>
     <string name="settings_download_multi_thread_download">下載執行緒數</string>
     <string name="settings_download_multi_thread_download_summary">最多同時下載 %s 張圖片</string>
     <string name="settings_download_preload_image">預載圖片</string>
@@ -429,6 +427,11 @@
     <string name="settings_download_image_size_auto">自動</string>
     <string name="settings_download_download_origin_image">下載原圖</string>
     <string name="settings_download_download_origin_image_summary">這很危險！勾選此項會導致下載配額迅速流失</string>
+    <string name="settings_download_media_scan">允許媒體掃描</string>
+    <string name="settings_download_media_scan_summary_on">請避免他人翻看你的相簿應用</string>
+    <string name="settings_download_media_scan_summary_off">大多數相簿應用將不會顯示下載目錄中的圖片</string>
+    <string name="settings_download_restore_download_items">恢復下載項</string>
+    <string name="settings_download_restore_download_items_summary">恢復下載目錄裡的所有下載項</string>
     <string name="settings_download_restoring">恢復中</string>
     <string name="settings_download_restore_not_found">未找到可恢復下載項</string>
     <string name="settings_download_restore_failed">恢復失敗</string>

app/src/main/res/values/strings.xml

@@ -460,6 +460,9 @@
     <string name="settings_download_pick_dir_l">Android 5.0+ provides new API to write on external SD card. Click the \"DOCUMENT\" button if you want to set download location to SD card</string>
     <string name="settings_download_document">Document</string>
     <string name="settings_download_continue">Continue</string>
+    <string name="settings_download_media_scan">Allow media scan</string>
+    <string name="settings_download_media_scan_summary_on">Please keep your gallery apps away from other people</string>
+    <string name="settings_download_media_scan_summary_off">Most gallery apps will ignore pictures in download path</string>
     <string name="settings_download_multi_thread_download">Multi thread download</string>
     <string name="settings_download_multi_thread_download_summary">Up to %s images</string>
     <string name="settings_download_preload_image">Preload image</string>

app/src/main/res/xml/download_settings.xml

@@ -23,6 +23,13 @@
         android:key="download_location"
         android:title="@string/settings_download_download_location"/>
 
+    <com.hippo.preference.SwitchPreference
+        android:key="media_scan"
+        android:title="@string/settings_download_media_scan"
+        app:summaryOn="@string/settings_download_media_scan_summary_on"
+        app:summaryOff="@string/settings_download_media_scan_summary_off"
+        android:defaultValue="false"/>
+
     <com.hippo.preference.ListPreference
         android:key="download_thread"
         android:title="@string/settings_download_multi_thread_download"