Clear WebView cache

Use the existing 'Clear image cache' setting, rename it and move it to the trouble shooting section. It might help in some situations, like openhab#3601 Signed-off-by: mueller-ma <[email protected]>
mueller-ma · Feb 26, 2024 · a78c6d1 · a78c6d1
1 parent 954d70a
commit a78c6d1
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Showing 4 changed files with 12 additions and 11 deletions.
diff --git a/mobile/src/main/java/org/openhab/habdroid/ui/preference/fragments/MainSettingsFragment.kt b/mobile/src/main/java/org/openhab/habdroid/ui/preference/fragments/MainSettingsFragment.kt
@@ -24,6 +24,7 @@ import android.os.Build
 import android.os.Bundle
 import android.provider.Settings
 import android.util.Log
+import android.webkit.WebView
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.RequiresApi
 import androidx.annotation.StringRes
@@ -112,7 +113,6 @@ class MainSettingsFragment : AbstractSettingsFragment(), ConnectionFactory.Updat
         val drawerEntriesPrefs = getPreference(PrefKeys.DRAWER_ENTRIES)
         val themePref = getPreference(PrefKeys.THEME)
         val colorSchemePref = getPreference(PrefKeys.COLOR_SCHEME) as ListPreference
-        val clearCachePref = getPreference(PrefKeys.CLEAR_CACHE)
         val fullscreenPref = getPreference(PrefKeys.FULLSCREEN)
         val launcherPref = getPreference(PrefKeys.LAUNCHER)
         val iconFormatPref = getPreference(PrefKeys.ICON_FORMAT)
@@ -194,8 +194,8 @@ class MainSettingsFragment : AbstractSettingsFragment(), ConnectionFactory.Updat
             true
         }
 
-        clearCachePref.setOnPreferenceClickListener { pref ->
-            clearImageCache(pref.context)
+        getPreference(PrefKeys.CLEAR_CACHE).setOnPreferenceClickListener { pref ->
+            clearCaches(pref.context)
             true
         }
 
@@ -308,7 +308,7 @@ class MainSettingsFragment : AbstractSettingsFragment(), ConnectionFactory.Updat
         } else {
             iconFormatPref.setOnPreferenceChangeListener { pref, _ ->
                 val context = pref.context
-                clearImageCache(context)
+                clearCaches(context)
                 ItemUpdateWidget.updateAllWidgets(context)
                 true
             }
@@ -349,7 +349,8 @@ class MainSettingsFragment : AbstractSettingsFragment(), ConnectionFactory.Updat
         }
     }
 
-    private fun clearImageCache(context: Context) {
+    private fun clearCaches(context: Context) {
+        WebView(context).clearCache(true)
         // Get launch intent for application
         val restartIntent = context.packageManager.getLaunchIntentForPackage(context.packageName)
         restartIntent?.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)

diff --git a/mobile/src/main/java/org/openhab/habdroid/util/PrefKeys.kt b/mobile/src/main/java/org/openhab/habdroid/util/PrefKeys.kt
@@ -43,7 +43,7 @@ object PrefKeys {
     const val SITEMAP_COMPACT_MODE = "sitemap_compact_mode"
     const val SHOW_ICONS = "show_icons"
     const val ICON_FORMAT = "iconFormatType"
-    const val CLEAR_CACHE = "default_openhab_cleacache"
+    const val CLEAR_CACHE = "default_openhab_clear_cache"
     const val CHART_SCALING = "chartScalingFactor"
     const val CHART_HQ = "default_openhab_chart_hq"
     const val IMAGE_WIDGET_SCALE_TO_FIT = "imageWidgetScaleToFit"

diff --git a/mobile/src/main/res/values/strings.xml b/mobile/src/main/res/values/strings.xml
@@ -27,7 +27,7 @@
     <string name="main_ui_error">An error occurred while loading Main UI</string>
     <string name="frontail_error">An error occurred while loading Frontail. Please note that it\'s not available via openHAB Cloud.</string>
     <string name="mainmenu_openhab_selectsitemap">Select default Sitemap</string>
-    <string name="mainmenu_openhab_clearcache">Clear images cache</string>
+    <string name="settings_clear_caches">Clear cache</string>
 
     <!-- App settings strings -->
     <string name="settings_connection_title">Connection</string>

diff --git a/mobile/src/main/res/xml/preferences.xml b/mobile/src/main/res/xml/preferences.xml
@@ -42,10 +42,6 @@
             android:entries="@array/iconTypeNames"
             android:entryValues="@array/iconTypeValues"
             android:icon="@drawable/ic_image_outline_grey_24dp" />
-        <Preference
-            android:clickable="true"
-            android:key="default_openhab_cleacache"
-            android:title="@string/mainmenu_openhab_clearcache" />
         <SwitchPreferenceCompat
             android:defaultValue="true"
             android:key="imageWidgetScaleToFit"
@@ -185,6 +181,10 @@
             android:summaryOff="@string/data_saver_off" />
     </PreferenceCategory>
     <PreferenceCategory android:title="@string/settings_troubleshooting_title">
+        <Preference
+            android:clickable="true"
+            android:key="default_openhab_clear_cache"
+            android:title="@string/settings_clear_caches" />
         <SwitchPreferenceCompat
             android:defaultValue="false"
             android:key="default_openhab_debug_messages"