fix #128

CHANGELOG.md

@@ -3,6 +3,7 @@
 - Updated Android context menu workaround
 - Calling `onCreateContextMenu` event on iOS also when the context menu is disabled in order to have the same effect as Android
 - Added Android keyboard workaround to hide the keyboard when clicking other HTML elements, losing the focus on the previous input
+- Fixed `Print preview is not working? java.lang.IllegalStateException: Can print only from an activity` [#128](https://github.com/pichillilorenzo/flutter_inappwebview/issues/128)
 
 ## 3.2.0
 

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

@@ -1470,8 +1470,7 @@ final public class InAppWebView extends InputAwareWebView {
   @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
   public void printCurrentPage() {
     // Get a PrintManager instance
-    PrintManager printManager = (PrintManager) Shared.activity.getApplicationContext()
+    PrintManager printManager = (PrintManager) Shared.activity.getSystemService(Context.PRINT_SERVICE);
-            .getSystemService(Context.PRINT_SERVICE);
 
     if (printManager != null) {
       String jobName = getTitle() + " Document";

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/InAppWebView/InAppWebViewChromeClient.java

@@ -71,6 +71,7 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
       Shared.activityPluginBinding.addActivityResultListener(this);
   }
 
+  @Override
   public Bitmap getDefaultVideoPoster() {
     if (mCustomView == null) {
       return null;
@@ -78,6 +79,7 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
     return BitmapFactory.decodeResource(Shared.activity.getApplicationContext().getResources(), 2130837573);
   }
 
+  @Override
   public void onHideCustomView() {
     View decorView = Shared.activity.getWindow().getDecorView();
     ((FrameLayout) decorView).removeView(this.mCustomView);
@@ -88,7 +90,8 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
     this.mCustomViewCallback = null;
   }
 
-  public void onShowCustomView(View paramView, WebChromeClient.CustomViewCallback paramCustomViewCallback) {
+  @Override
+  public void onShowCustomView(View paramView, CustomViewCallback paramCustomViewCallback) {
     if (this.mCustomView != null) {
       onHideCustomView();
       return;
@@ -100,16 +103,28 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
     this.mCustomViewCallback = paramCustomViewCallback;
     this.mCustomView.setBackgroundColor(Color.parseColor("#000000"));
     ((FrameLayout) decorView).addView(this.mCustomView, new FrameLayout.LayoutParams(-1, -1));
-    decorView.setSystemUiVisibility(
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+      decorView.setSystemUiVisibility(
-            // Set the content to appear under the system bars so that the
+              View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
-            // content doesn't resize when the system bars hide and show.
+              // Set the content to appear under the system bars so that the
-            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+              // content doesn't resize when the system bars hide and show.
-            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+              | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
-            | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+              | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
-            // Hide the nav bar and status bar
+              | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-            | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+              // Hide the nav bar and status bar
-            | View.SYSTEM_UI_FLAG_FULLSCREEN);
+              | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+              | View.SYSTEM_UI_FLAG_FULLSCREEN);
+    } else {
+      decorView.setSystemUiVisibility(
+              // Set the content to appear under the system bars so that the
+              // content doesn't resize when the system bars hide and show.
+              View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+              | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+              | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+              // Hide the nav bar and status bar
+              | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+              | View.SYSTEM_UI_FLAG_FULLSCREEN);
+    }
   }
 
   @Override

example/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"connectivity","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity-0.4.8+5/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_inappwebview-3.2.0/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.7/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/","dependencies":[]}],"android":[{"name":"connectivity","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity-0.4.8+5/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_inappwebview-3.2.0/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.7/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/","dependencies":[]}],"macos":[{"name":"connectivity_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_macos-0.1.0+3/","dependencies":[]},{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.4+2/","dependencies":[]}],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"connectivity","dependencies":["connectivity_macos"]},{"name":"connectivity_macos","dependencies":[]},{"name":"flutter_downloader","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos"]},{"name":"path_provider_macos","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2020-05-21 22:50:56.107907","version":"1.17.0"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"connectivity","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity-0.4.8+5/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.7/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/","dependencies":[]}],"android":[{"name":"connectivity","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity-0.4.8+5/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.7/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/","dependencies":[]}],"macos":[{"name":"connectivity_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_macos-0.1.0+3/","dependencies":[]},{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.4+2/","dependencies":[]}],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"connectivity","dependencies":["connectivity_macos"]},{"name":"connectivity_macos","dependencies":[]},{"name":"flutter_downloader","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos"]},{"name":"path_provider_macos","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2020-05-22 12:58:00.364435","version":"1.17.1"}

example/ios/Flutter/flutter_export_environment.sh

@@ -2,11 +2,10 @@
 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=/Users/lorenzopichilli/flutter"
 export "FLUTTER_APPLICATION_PATH=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example"
-export "FLUTTER_TARGET=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example/lib/main.dart"
+export "FLUTTER_TARGET=lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build/ios"
 export "OTHER_LDFLAGS=$(inherited) -framework Flutter"
 export "FLUTTER_FRAMEWORK_DIR=/Users/lorenzopichilli/flutter/bin/cache/artifacts/engine/ios"
 export "FLUTTER_BUILD_NAME=1.0.0"
 export "FLUTTER_BUILD_NUMBER=1"
-export "TRACK_WIDGET_CREATION=true"

example/pubspec.yaml

@@ -24,8 +24,8 @@ dependencies:
   path_provider: ^1.4.0
   permission_handler: ^3.3.0
   connectivity: ^0.4.5+6
-  flutter_inappwebview: ^3.2.0
+  flutter_inappwebview:
-    #path: ../
+    path: ../
 
 dev_dependencies:
   flutter_driver: