create ContentProvider from AndroidManifest.xml

This is required for androidx startup library.
Only onCreate method is called for now.

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

@@ -0,0 +1,31 @@
+package android.content;
+
+import java.util.List;
+
+import com.reandroid.arsc.chunk.xml.AndroidManifestBlock;
+import com.reandroid.arsc.chunk.xml.ResXmlElement;
+
+public class ContentProvider {
+
+	static void createContentProviders() throws ReflectiveOperationException {
+		List<ResXmlElement> providers = Context.manifest.getApplicationElement().listElements(AndroidManifestBlock.TAG_provider);
+		System.out.println(providers);
+		for (ResXmlElement providerElement : providers) {
+			String providerName = providerElement.searchAttributeByResourceId(AndroidManifestBlock.ID_name).getValueAsString();
+			if (providerName.startsWith(".")) {
+				providerName = Context.manifest.getPackageName() + providerName;
+			}
+			System.out.println("creating " + providerName);
+			Class<? extends ContentProvider> providerCls = Class.forName(providerName).asSubclass(ContentProvider.class);
+			ContentProvider provider = providerCls.getConstructor().newInstance();
+			provider.onCreate();
+		}
+	}
+
+	public boolean onCreate() {return false;}
+
+	public Context getContext() {
+		return Context.this_application;
+	}
+
+}

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

@@ -54,7 +54,7 @@ public class Context extends Object {
 	public static final String DISPLAY_SERVICE = "display";
 	public static final String MEDIA_ROUTER_SERVICE = "media_router";
 	public static final String WINDOW_SERVICE = "window";
-	private static AndroidManifestBlock manifest = null;
+	public static AndroidManifestBlock manifest = null;
 
 	static AssetManager assets;
 	static DisplayMetrics dm;

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

@@ -27,6 +27,7 @@ import android.content.res.Resources;
 import android.content.res.XmlResourceParser;
 // import android.graphics.drawable.Drawable;
 import android.net.Uri;
+import android.os.Bundle;
 import android.os.Environment;
 import android.os.UserHandle;
 import android.util.AndroidException;
@@ -35,6 +36,9 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
+import com.reandroid.arsc.chunk.xml.AndroidManifestBlock;
+import com.reandroid.arsc.chunk.xml.ResXmlElement;
+
 class IPackageInstallObserver {}
 class VerificationParams {}
 class ContainerEncryptionParams {}
@@ -1690,7 +1694,28 @@ public class PackageManager {
 	 */
 	public ProviderInfo getProviderInfo(ComponentName component,
 					    int flags) throws NameNotFoundException {
-		return null;
+		ProviderInfo providerInfo = new ProviderInfo();
+		if ((flags & GET_META_DATA) == GET_META_DATA) {
+			String cls = component.getClassName();
+			List<ResXmlElement> providers = Context.manifest.getApplicationElement().listElements(AndroidManifestBlock.TAG_provider);
+			for (ResXmlElement providerElement : providers) {
+				String providerName = providerElement.searchAttributeByResourceId(AndroidManifestBlock.ID_name).getValueAsString();
+				if (providerName.startsWith(".")) {
+					providerName = Context.manifest.getPackageName() + providerName;
+				}
+				if (providerName.equals(cls)) {
+					List<ResXmlElement> metaDatas = providerElement.listElements(AndroidManifestBlock.TAG_meta_data);
+					Bundle bundle = new Bundle(metaDatas.size());
+					for (ResXmlElement metaData : metaDatas) {
+						bundle.putString(metaData.searchAttributeByResourceId(AndroidManifestBlock.ID_name).getValueAsString(),
+										metaData.searchAttributeByResourceId(AndroidManifestBlock.ID_value).getValueAsString());
+					}
+					providerInfo.metaData = bundle;
+					break;
+				}
+			}
+		}
+		return providerInfo;
 	}
 
 	/**

src/api-impl/meson.build

@@ -51,6 +51,7 @@ hax_jar = jar('hax', [
               	'android/content/ComponentCallbacks.java',
               	'android/content/ComponentCallbacks2.java',
               	'android/content/ComponentName.java',
+              	'android/content/ContentProvider.java',
               	'android/content/ContentResolver.java',
               	'android/content/ContentValues.java',
               	'android/content/Context.java',

src/main-executable/main.c

@@ -357,6 +357,11 @@ static void open(GtkApplication *app, GFile** files, gint nfiles, const gchar* h
 
 	prepare_main_looper(env);
 
+	jclass content_provider = (*env)->FindClass(env, "android/content/ContentProvider");
+	(*env)->CallStaticObjectMethod(env, content_provider, _STATIC_METHOD(content_provider, "createContentProviders", "()V"));
+	if((*env)->ExceptionCheck(env))
+		(*env)->ExceptionDescribe(env);
+
 	(*env)->CallVoidMethod(env, application_object, _METHOD(handle_cache.application.class, "onCreate", "()V"));
 	if((*env)->ExceptionCheck(env))
 		(*env)->ExceptionDescribe(env);