diff --git a/src/api-impl-jni/app/android_app_Activity.c b/src/api-impl-jni/app/android_app_Activity.c
index 3bb27a1a..181cef2c 100644
--- a/src/api-impl-jni/app/android_app_Activity.c
+++ b/src/api-impl-jni/app/android_app_Activity.c
@@ -313,3 +313,10 @@ JNIEXPORT jboolean JNICALL Java_android_app_Activity_isInMultiWindowMode(JNIEnv
 {
 	return !gtk_window_is_maximized(window);
 }
+
+JNIEXPORT jboolean JNICALL Java_android_app_Activity_isTaskRoot(JNIEnv *env, jobject this)
+{
+	jobject root_activity = activity_backlog ? g_list_last(activity_backlog)->data : NULL;
+	// NULL means that we are currently creating the root activity, so no other activity can exist yet
+	return root_activity == NULL || (*env)->IsSameObject(env, this, root_activity);
+}
diff --git a/src/api-impl-jni/generated_headers/android_app_Activity.h b/src/api-impl-jni/generated_headers/android_app_Activity.h
index b99f8c61..ea63c269 100644
--- a/src/api-impl-jni/generated_headers/android_app_Activity.h
+++ b/src/api-impl-jni/generated_headers/android_app_Activity.h
@@ -13,6 +13,14 @@ extern "C" {
 #define android_app_Activity_RESULT_CANCELED 0L
 #undef android_app_Activity_RESULT_OK
 #define android_app_Activity_RESULT_OK -1L
+/*
+ * Class:     android_app_Activity
+ * Method:    isTaskRoot
+ * Signature: ()Z
+ */
+JNIEXPORT jboolean JNICALL Java_android_app_Activity_isTaskRoot
+  (JNIEnv *, jobject);
+
 /*
  * Class:     android_app_Activity
  * Method:    nativeFinish
diff --git a/src/api-impl-jni/generated_headers/android_graphics_Region.h b/src/api-impl-jni/generated_headers/android_graphics_Region.h
index 36639151..9c61f909 100644
--- a/src/api-impl-jni/generated_headers/android_graphics_Region.h
+++ b/src/api-impl-jni/generated_headers/android_graphics_Region.h
@@ -9,14 +9,6 @@ extern "C" {
 #endif
 #undef android_graphics_Region_MAX_POOL_SIZE
 #define android_graphics_Region_MAX_POOL_SIZE 10L
-/*
- * Class:     android_graphics_Region
- * Method:    isEmpty
- * Signature: ()Z
- */
-JNIEXPORT jboolean JNICALL Java_android_graphics_Region_isEmpty
-  (JNIEnv *, jobject);
-
 /*
  * Class:     android_graphics_Region
  * Method:    isRect
diff --git a/src/api-impl-jni/widgets/WrapperWidget.c b/src/api-impl-jni/widgets/WrapperWidget.c
index 00adb9b8..e1f6d9aa 100644
--- a/src/api-impl-jni/widgets/WrapperWidget.c
+++ b/src/api-impl-jni/widgets/WrapperWidget.c
@@ -250,6 +250,7 @@ void wrapper_widget_set_child(WrapperWidget *parent, GtkWidget *child) // TODO:
 static guint queue_queue_redraw(GtkWidget *widget)
 {
 	gtk_widget_queue_draw(widget);
+	g_object_unref(widget);
 	return G_SOURCE_REMOVE;
 }
 
@@ -258,7 +259,7 @@ void wrapper_widget_queue_draw(WrapperWidget *wrapper)
 	if (wrapper->draw_method) {
 		/* schedule the call to gtk_widget_queue_draw for a future event loop pass in case we're currently inside the snapshot */
 		/* GTK+ uses G_PRIORITY_HIGH_IDLE + 10 for resizing operations, and G_PRIORITY_HIGH_IDLE + 20 for redrawing operations. */
-		g_idle_add_full(G_PRIORITY_HIGH_IDLE + 20, G_SOURCE_FUNC(queue_queue_redraw), &wrapper->parent_instance, NULL);
+		g_idle_add_full(G_PRIORITY_HIGH_IDLE + 20, G_SOURCE_FUNC(queue_queue_redraw), g_object_ref(wrapper), NULL);
 	}
 
 	if(wrapper->child)
diff --git a/src/api-impl-jni/widgets/android_webkit_WebView.c b/src/api-impl-jni/widgets/android_webkit_WebView.c
index 33dcb5f7..68b82ec8 100644
--- a/src/api-impl-jni/widgets/android_webkit_WebView.c
+++ b/src/api-impl-jni/widgets/android_webkit_WebView.c
@@ -74,5 +74,5 @@ JNIEXPORT void JNICALL Java_android_webkit_WebView_native_1loadDataWithBaseURL(J
 	jsize data_jlen = (*env)->GetStringLength(env, data_jstr);
 	char *data = malloc(data_len + 1); // + 1 for NUL
 	(*env)->GetStringUTFRegion(env, data_jstr, 0, data_jlen, data);
-	webkit_web_view_load_bytes(webview, g_bytes_new(data, data_len), mime_type ? _CSTRING(mime_type) : "text/html", _CSTRING(encoding), _CSTRING(base_url));
+	webkit_web_view_load_bytes(webview, g_bytes_new(data, data_len), mime_type ? _CSTRING(mime_type) : "text/html", encoding ? _CSTRING(encoding) : NULL, base_url ? _CSTRING(base_url) : NULL);
 }
diff --git a/src/api-impl/android/app/Activity.java b/src/api-impl/android/app/Activity.java
index a29cb755..592d129d 100644
--- a/src/api-impl/android/app/Activity.java
+++ b/src/api-impl/android/app/Activity.java
@@ -568,9 +568,7 @@ public class Activity extends ContextThemeWrapper implements Window.Callback, La
 
 	public void overridePendingTransition(int enterAnim, int exitAnim) {}
 
-	public boolean isTaskRoot() {
-		return false;
-	}
+	public native boolean isTaskRoot();
 
 	public void postponeEnterTransition() {}
 
diff --git a/src/api-impl/android/content/AbstractThreadedSyncAdapter.java b/src/api-impl/android/content/AbstractThreadedSyncAdapter.java
new file mode 100644
index 00000000..11e78cdb
--- /dev/null
+++ b/src/api-impl/android/content/AbstractThreadedSyncAdapter.java
@@ -0,0 +1,4 @@
+package android.content;
+
+public class AbstractThreadedSyncAdapter {
+}
diff --git a/src/api-impl/android/content/Intent.java b/src/api-impl/android/content/Intent.java
index 23d4057b..e713acde 100644
--- a/src/api-impl/android/content/Intent.java
+++ b/src/api-impl/android/content/Intent.java
@@ -12,6 +12,7 @@ import org.xmlpull.v1.XmlPullParser;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Objects;
 import java.util.Set;
 
 public class Intent implements Parcelable {
@@ -416,4 +417,11 @@ public class Intent implements Parcelable {
 	public Intent getSelector() {
 		return selector;
 	}
+
+	public boolean filterEquals(Intent other) {
+		return Objects.equals(this.action, other.action)
+		    && Objects.equals(this.component, other.component)
+		    && Objects.equals(this.data, other.data)
+		    && Objects.equals(this.type, other.type);
+	}
 }
diff --git a/src/api-impl/android/content/Loader.java b/src/api-impl/android/content/Loader.java
new file mode 100644
index 00000000..381281f2
--- /dev/null
+++ b/src/api-impl/android/content/Loader.java
@@ -0,0 +1,4 @@
+package android.content;
+
+public class Loader {
+}
diff --git a/src/api-impl/android/graphics/Canvas.java b/src/api-impl/android/graphics/Canvas.java
index 6705123f..fcf58ada 100644
--- a/src/api-impl/android/graphics/Canvas.java
+++ b/src/api-impl/android/graphics/Canvas.java
@@ -521,17 +521,17 @@ public class Canvas {
 	}
 
 	public boolean clipRect(RectF rect) {
-		Log.w("Canvas", "STUB: clipRect");
+		Log.v("Canvas", "STUB: clipRect");
 		return false;
 	}
 
 	public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) {
-		Log.w("Canvas", "STUB: clipRect");
+		Log.v("Canvas", "STUB: clipRect");
 		return false;
 	}
 
 	public boolean clipRect(RectF rect, Region.Op op) {
-		Log.w("Canvas", "STUB: clipRect");
+		Log.v("Canvas", "STUB: clipRect");
 		return false;
 	}
 
@@ -550,4 +550,8 @@ public class Canvas {
 	public void drawPicture(Picture picture) {
 		Log.w("Canvas", "STUB: drawPicture");
 	}
+
+	public void drawPoint(float x, float y, Paint paint) {
+		Log.w("Canvas", "STUB: drawPoint");
+	}
 }
diff --git a/src/api-impl/android/graphics/Region.java b/src/api-impl/android/graphics/Region.java
index 9775fd2d..dd010e15 100644
--- a/src/api-impl/android/graphics/Region.java
+++ b/src/api-impl/android/graphics/Region.java
@@ -86,7 +86,8 @@ public class Region {
 	 * Set the region to the specified rectangle
 	 */
 	public boolean set(Rect r) {
-		return nativeSetRect(mNativeRegion, r.left, r.top, r.right, r.bottom);
+		// return nativeSetRect(mNativeRegion, r.left, r.top, r.right, r.bottom);
+		return false;
 	}
 
 	/**
@@ -107,7 +108,9 @@ public class Region {
 	/**
 	 * Return true if this region is empty
 	 */
-	public native boolean isEmpty();
+	public /*native*/ boolean isEmpty() {
+		return false;
+	}
 
 	/**
 	 * Return true if the region contains a single rectangle
@@ -124,7 +127,7 @@ public class Region {
 	 */
 	public Rect getBounds() {
 		Rect r = new Rect();
-		nativeGetBounds(mNativeRegion, r);
+		// nativeGetBounds(mNativeRegion, r);
 		return r;
 	}
 
@@ -264,8 +267,9 @@ public class Region {
 	 * regions. Return true if the result is not empty.
 	 */
 	public boolean op(Region region1, Region region2, Op op) {
-		return nativeOp(mNativeRegion, region1.mNativeRegion,
-				region2.mNativeRegion, op.nativeInt);
+		// return nativeOp(mNativeRegion, region1.mNativeRegion,
+		// 		region2.mNativeRegion, op.nativeInt);
+		return false;
 	}
 	public String toString() {
 		return nativeToString(mNativeRegion);
diff --git a/src/api-impl/android/net/NetworkInfo.java b/src/api-impl/android/net/NetworkInfo.java
index f31ffae6..871f13d1 100644
--- a/src/api-impl/android/net/NetworkInfo.java
+++ b/src/api-impl/android/net/NetworkInfo.java
@@ -23,7 +23,7 @@ public class NetworkInfo {
 	}
 
 	public int getType() {
-		return 0x8; // TYPE_DUMMY
+		return state == State.CONNECTED ? /*TYPE_WIFI*/0x1 : 0x0;
 	}
 
 	public boolean isConnected() {
diff --git a/src/api-impl/android/speech/tts/TextToSpeech.java b/src/api-impl/android/speech/tts/TextToSpeech.java
index 544d88b7..c393ba7b 100644
--- a/src/api-impl/android/speech/tts/TextToSpeech.java
+++ b/src/api-impl/android/speech/tts/TextToSpeech.java
@@ -20,9 +20,17 @@ public class TextToSpeech {
 		return ERROR;
 	}
 
+	public int setOnUtteranceProgressListener(UtteranceProgressListener listener) {
+		return ERROR;
+	}
+
 	public void shutdown() {
 	}
 
+	public int stop() {
+		return ERROR;
+	}
+
 	public static interface OnInitListener {
 		abstract void onInit(int status);
 	}
diff --git a/src/api-impl/android/speech/tts/UtteranceProgressListener.java b/src/api-impl/android/speech/tts/UtteranceProgressListener.java
new file mode 100644
index 00000000..512b720a
--- /dev/null
+++ b/src/api-impl/android/speech/tts/UtteranceProgressListener.java
@@ -0,0 +1,4 @@
+package android.speech.tts;
+
+public class UtteranceProgressListener {
+}
diff --git a/src/api-impl/android/webkit/CookieManager.java b/src/api-impl/android/webkit/CookieManager.java
index 664f5f07..1e418efe 100644
--- a/src/api-impl/android/webkit/CookieManager.java
+++ b/src/api-impl/android/webkit/CookieManager.java
@@ -23,4 +23,10 @@ public class CookieManager {
 	public void removeSessionCookies(ValueCallback callback) {}
 
 	public void flush() {}
+
+	public String getCookie(String url) {
+		return "";
+	}
+
+	public void setCookie(String url, String value) {}
 }
diff --git a/src/api-impl/android/webkit/WebSettings.java b/src/api-impl/android/webkit/WebSettings.java
index 776a34ed..0bdc6a52 100644
--- a/src/api-impl/android/webkit/WebSettings.java
+++ b/src/api-impl/android/webkit/WebSettings.java
@@ -54,4 +54,6 @@ public class WebSettings {
 	public void setBlockNetworkLoads(boolean block) {}
 
 	public void setMixedContentMode(int mode) {}
+
+	public void setBlockNetworkImage(boolean block) {}
 }
diff --git a/src/api-impl/android/webkit/WebView.java b/src/api-impl/android/webkit/WebView.java
index 0d611ceb..84562b89 100644
--- a/src/api-impl/android/webkit/WebView.java
+++ b/src/api-impl/android/webkit/WebView.java
@@ -96,6 +96,8 @@ public class WebView extends ViewGroup {
 		loadDataWithBaseURL("about:blank", data, mimeType, encoding, "about:blank");
 	}
 
+	public void evaluateJavascript(String script, ValueCallback resultCallback) {}
+
 	@Override
 	protected native long native_constructor(Context context, AttributeSet attrs);
 	private native void native_loadDataWithBaseURL(long widget, String baseUrl, String data, String mimeType, String encoding);
diff --git a/src/api-impl/meson.build b/src/api-impl/meson.build
index d9aabd6b..199cbe3f 100644
--- a/src/api-impl/meson.build
+++ b/src/api-impl/meson.build
@@ -75,6 +75,7 @@ srcs = [
 	'android/bluetooth/BluetoothManager.java',
 	'android/bluetooth/BluetoothProfile.java',
 	'android/bluetooth/le/ScanCallback.java',
+	'android/content/AbstractThreadedSyncAdapter.java',
 	'android/content/ActivityNotFoundException.java',
 	'android/content/AsyncQueryHandler.java',
 	'android/content/ATLMediaContentProvider.java',
@@ -94,6 +95,7 @@ srcs = [
 	'android/content/Intent.java',
 	'android/content/IntentFilter.java',
 	'android/content/IntentSender.java',
+	'android/content/Loader.java',
 	'android/content/OperationApplicationException.java',
 	'android/content/RestrictionsManager.java',
 	'android/content/SearchRecentSuggestionsProvider.java',
@@ -383,6 +385,7 @@ srcs = [
 	'android/security/keystore/KeyGenParameterSpec.java',
 	'android/service/media/MediaBrowserService.java',
 	'android/speech/tts/TextToSpeech.java',
+	'android/speech/tts/UtteranceProgressListener.java',
 	'android/telecom/ConnectionService.java',
 	'android/telecom/TelecomManager.java',
 	'android/telephony/CellLocation.java',