feat(android): change app icons at runtime

Author: m1ga

android/cli/commands/_build.js

@@ -1047,6 +1047,9 @@ AndroidBuilder.prototype.validate = function validate(logger, config, cli) {
 	try {
 		if (cli.tiapp.android && cli.tiapp.android.manifest) {
 			this.customAndroidManifest = AndroidManifest.fromXmlString(cli.tiapp.android.manifest);
+
+			// check if we have <activity-alias> nodes
+			this.activityAliasCount = this.customAndroidManifest.xmlDomDocument.getElementsByTagName('application')[0].getElementsByTagName('activity-alias').length;
 		}
 	} catch (ex) {
 		logger.error(__n('Malformed <manifest> definition in the <android> section of the tiapp.xml'));
@@ -3522,7 +3525,8 @@ AndroidBuilder.prototype.fetchNeededManifestSettings = function fetchNeededManif
 	const neededSettings = {
 		queries: neededQueriesDictionary,
 		storagePermissionMaxSdkVersion: storagePermissionMaxSdkVersion,
-		usesPermissions: Object.keys(neededPermissionDictionary)
+		usesPermissions: Object.keys(neededPermissionDictionary),
+		skipLauncher: this.activityAliasCount > 0
 	};
 	return neededSettings;
 };
@@ -3619,7 +3623,8 @@ AndroidBuilder.prototype.generateAndroidManifest = async function generateAndroi
 		storagePermissionMaxSdkVersion: neededManifestSettings.storagePermissionMaxSdkVersion,
 		packageName: this.appid,
 		queries: neededManifestSettings.queries,
-		usesPermissions: neededManifestSettings.usesPermissions
+		usesPermissions: neededManifestSettings.usesPermissions,
+		skipLauncher: this.activityAliasCount > 0
 	});
 	const mainManifest = AndroidManifest.fromXmlString(mainManifestContent);
 

android/modules/app/src/java/ti/modules/titanium/app/AndroidModule.java

@@ -17,8 +17,10 @@
 import org.appcelerator.titanium.proxy.RProxy;
 
 import android.app.Activity;
+import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 
 @Kroll.module(parentModule = AppModule.class)
@@ -61,6 +63,20 @@ public ActivityProxy getTopActivity()
 		}
 	}
 
+	@Kroll.method
+	public void changeIcon(String oldPackage, String newPackage)
+	{
+		String pkgName = TiApplication.getInstance().getPackageName();
+		TiApplication.getInstance().getPackageManager().setComponentEnabledSetting(
+			new ComponentName(pkgName, pkgName + "." + oldPackage),
+			PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP
+		);
+		TiApplication.getInstance().getPackageManager().setComponentEnabledSetting(
+			new ComponentName(pkgName, pkgName + "." + newPackage),
+			PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP
+		);
+	}
+
 	@Kroll.getProperty
 	public int getAppVersionCode()
 	{

android/templates/build/AndroidManifest.xml

@@ -38,7 +38,9 @@
 			android:alwaysRetainTaskState="true">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN" />
+				<% if (!skipLauncher) { %>
 				<category android:name="android.intent.category.LAUNCHER" />
+				<% } %>
 			</intent-filter>
 		</activity>