add initialScale in android

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebView.java

@@ -216,6 +216,9 @@ final public class InAppWebView extends InputAwareWebView {
     settings.setLoadsImagesAutomatically(options.loadsImagesAutomatically);
     settings.setMinimumFontSize(options.minimumFontSize);
     settings.setMinimumLogicalFontSize(options.minimumLogicalFontSize);
+    if(options.initialScale != null)
+        setInitialScale(options.initialScale);
+
     settings.setNeedInitialFocus(options.needInitialFocus);
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
       settings.setOffscreenPreRaster(options.offscreenPreRaster);
@@ -529,6 +532,9 @@ final public class InAppWebView extends InputAwareWebView {
     if (newOptionsMap.get("minimumLogicalFontSize") != null && !options.minimumLogicalFontSize.equals(newOptions.minimumLogicalFontSize))
       settings.setMinimumLogicalFontSize(newOptions.minimumLogicalFontSize);
 
+    if (newOptionsMap.get("initialScale") != null && !options.initialScale.equals(newOptions.initialScale))
+        setInitialScale(newOptions.initialScale);
+
     if (newOptionsMap.get("needInitialFocus") != null && options.needInitialFocus != newOptions.needInitialFocus)
       settings.setNeedInitialFocus(newOptions.needInitialFocus);
 

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewOptions.java

@@ -62,6 +62,7 @@ public class InAppWebViewOptions extends Options {
   public boolean loadWithOverviewMode = true;
   public boolean loadsImagesAutomatically = true;
   public Integer minimumLogicalFontSize = 8;
+  public Integer initialScale;
   public boolean needInitialFocus = true;
   public boolean offscreenPreRaster = false;
   public String sansSerifFontFamily = "sans-serif";

lib/src/webview_options.dart

@@ -156,6 +156,7 @@ class AndroidInAppWebViewOptions implements WebViewOptions, BrowserOptions, Andr
   bool loadWithOverviewMode;
   bool loadsImagesAutomatically;
   int minimumLogicalFontSize;
+  int initialScale;
   bool needInitialFocus;
   bool offscreenPreRaster;
   String sansSerifFontFamily;
@@ -169,7 +170,7 @@ class AndroidInAppWebViewOptions implements WebViewOptions, BrowserOptions, Andr
     this.cursiveFontFamily = "cursive", this.defaultFixedFontSize = 16, this.defaultFontSize = 16, this.defaultTextEncodingName = "UTF-8",
     this.disabledActionModeMenuItems, this.fantasyFontFamily = "fantasy", this.fixedFontFamily = "monospace", this.forceDark = AndroidInAppWebViewForceDark.FORCE_DARK_OFF,
     this.geolocationEnabled = true, this.layoutAlgorithm, this.loadWithOverviewMode = true, this.loadsImagesAutomatically = true,
-    this.minimumLogicalFontSize = 8, this.needInitialFocus = true, this.offscreenPreRaster = false, this.sansSerifFontFamily = "sans-serif", this.serifFontFamily = "sans-serif",
+    this.minimumLogicalFontSize = 8, this.initialScale, this.needInitialFocus = true, this.offscreenPreRaster = false, this.sansSerifFontFamily = "sans-serif", this.serifFontFamily = "sans-serif",
     this.standardFontFamily = "sans-serif"
   });
 
@@ -208,6 +209,7 @@ class AndroidInAppWebViewOptions implements WebViewOptions, BrowserOptions, Andr
       "loadWithOverviewMode": loadWithOverviewMode,
       "loadsImagesAutomatically": loadsImagesAutomatically,
       "minimumLogicalFontSize": minimumLogicalFontSize,
+      "initialScale": initialScale,
       "needInitialFocus": needInitialFocus,
       "offscreenPreRaster": offscreenPreRaster,
       "sansSerifFontFamily": sansSerifFontFamily,
@@ -251,6 +253,7 @@ class AndroidInAppWebViewOptions implements WebViewOptions, BrowserOptions, Andr
     options.loadWithOverviewMode = map["loadWithOverviewMode"];
     options.loadsImagesAutomatically = map["loadsImagesAutomatically"];
     options.minimumLogicalFontSize = map["minimumLogicalFontSize"];
+    options.initialScale = map["initialScale"];
     options.needInitialFocus = map["needInitialFocus"];
     options.offscreenPreRaster = map["offscreenPreRaster"];
     options.sansSerifFontFamily = map["sansSerifFontFamily"];