implement URL opening using libportal

src/api-impl-jni/app/android_app_Activity.c

@@ -1,4 +1,5 @@
 #include <gtk/gtk.h>
+#include <libportal/portal.h>
 
 #include <jni.h>
 
@@ -106,3 +107,14 @@ JNIEXPORT void JNICALL Java_android_app_Activity_nativeFinish(JNIEnv *env, jobje
 JNIEXPORT void JNICALL Java_android_app_Activity_nativeStartActivity(JNIEnv *env, jclass class, jobject activity) {
 	activity_start(env, activity);
 }
+
+static XdpPortal *portal = NULL;
+
+JNIEXPORT void JNICALL Java_android_app_Activity_nativeOpenURI(JNIEnv *env, jclass class, jstring uriString) {
+	if (!portal) {
+		portal = xdp_portal_new();
+	}
+	const char* uri = (*env)->GetStringUTFChars(env, uriString, NULL);
+	xdp_portal_open_uri(portal, NULL, uri, XDP_OPEN_URI_FLAG_NONE, NULL, NULL, NULL);
+	(*env)->ReleaseStringUTFChars(env, uriString, uri);
+}

src/api-impl-jni/generated_headers/android_app_Activity.h

@@ -25,6 +25,14 @@ JNIEXPORT void JNICALL Java_android_app_Activity_nativeFinish
 JNIEXPORT void JNICALL Java_android_app_Activity_nativeStartActivity
   (JNIEnv *, jclass, jobject);
 
+/*
+ * Class:     android_app_Activity
+ * Method:    nativeOpenURI
+ * Signature: (Ljava/lang/String;)V
+ */
+JNIEXPORT void JNICALL Java_android_app_Activity_nativeOpenURI
+  (JNIEnv *, jclass, jstring);
+
 #ifdef __cplusplus
 }
 #endif

src/api-impl/android/app/Activity.java

@@ -296,6 +296,11 @@ public class Activity extends Context implements Window.Callback {
 
 	public void startActivity(Intent intent) {
 		System.out.println("startActivity(" + intent + ") called");
+		if (intent.getComponent() == null) {
+			System.out.println("starting extern activity with intent: " + intent);
+			nativeOpenURI(String.valueOf(intent.getData()));
+			return;
+		}
 		try {
 			Class<? extends Activity> cls = Class.forName(intent.getComponent().getClassName()).asSubclass(Activity.class);
 			Constructor<? extends Activity> constructor = cls.getConstructor();
@@ -336,6 +341,7 @@ public class Activity extends Context implements Window.Callback {
 
 	private native void nativeFinish(long native_window);
 	private static native void nativeStartActivity(Activity activity);
+	private static native void nativeOpenURI(String uri);
 
 	@Override
 	public void onContentChanged() {

src/api-impl/android/content/Intent.java

@@ -8,15 +8,30 @@ import java.io.Serializable;
 public class Intent {
 	private ComponentName component;
 	private Bundle extras = new Bundle();
+	private String action;
+	private Uri data;
 
 	public Intent() {}
-	public Intent(Intent o) {}
-	public Intent(String action) {}
-	public Intent(String action, Uri uri) {}
+	public Intent(Intent o) {
+		this.action = o.action;
+		this.data = o.data;
+		this.extras = o.extras;
+		this.component = o.component;
+	}
+	public Intent(String action) {
+		this.action = action;
+	}
+	public Intent(String action, Uri uri) {
+		this.action = action;
+		this.data = uri;
+	}
 	public Intent(Context packageContext, Class<?> cls) {
 		setClass(packageContext, cls);
 	}
-	public Intent(String action, Uri uri, Context packageContext, Class<?> cls) {}
+	public Intent(String action, Uri uri, Context packageContext, Class<?> cls) {
+		this(action, uri);
+		setClass(packageContext, cls);
+	}
 
 	public Intent addFlags(int flags) {
 		return this; //??
@@ -159,7 +174,7 @@ public class Intent {
 	}
 
 	public Uri getData() {
-		return null;
+		return data;
 	}
 
 	public boolean getBooleanExtra(String name, boolean defaultValue) {
@@ -209,7 +224,11 @@ public class Intent {
 
 	@Override
 	public String toString() {
-		return "Intent [component=" + component + ", extras=" + extras + "]";
+		return "Intent [component=" + component + ", extras=" + extras + ", action=" + action + ", uri=" + data + "]";
+	}
+
+	public static Intent createChooser(Intent target, CharSequence title) {
+		return target;
 	}
 
 }

src/api-impl/android/content/pm/PackageItemInfo.java

@@ -80,6 +80,7 @@ public class PackageItemInfo {
 
 	public PackageItemInfo() {
 		metaData = new Bundle();
+		packageName = "android";
 	}
 
 	public PackageItemInfo(PackageItemInfo orig) {

src/api-impl/android/content/pm/PackageManager.java

@@ -2132,7 +2132,7 @@ public class PackageManager {
 	 * @see #GET_RESOLVED_FILTER
 	 */
 	public ResolveInfo resolveActivity(Intent intent, int flags) {
-		return null;
+		return new ResolveInfo();
 	}
 
 	/**

src/api-impl/android/content/pm/ResolveInfo.java

@@ -1,4 +1,5 @@
 package android.content.pm;
 
 public class ResolveInfo {
+	public ActivityInfo activityInfo = new ActivityInfo();
 }

src/api-impl/android/net/Uri.java

@@ -1,8 +1,17 @@
 package android.net;
 
+import java.net.URI;
+
 public class Uri {
+	private URI uri;
+
 	public static Uri parse(String s) {
-		return new Uri();
+		Uri ret = new Uri();
+		try {
+			ret.uri = URI.create(s);
+		} catch (IllegalArgumentException e) {
+		}
+		return ret;
 	}
 
 	public Builder buildUpon() {
@@ -14,4 +23,9 @@ public class Uri {
 			return this;
 		}
 	}
+
+	@Override
+	public String toString() {
+		return String.valueOf(uri);
+	}
 }