Set deep linking flag to true by default

shell/platform/android/io/flutter/embedding/android/FlutterActivity.java

@@ -1399,14 +1399,20 @@ public boolean shouldAttachEngineToActivity() {
  * <p>The default implementation looks {@code <meta-data>} called {@link
  * FlutterActivityLaunchConfigs#HANDLE_DEEPLINKING_META_DATA_KEY} within the Android manifest
  * definition for this {@code FlutterActivity}.
+ *
+ * <p>Defaults to {@code true}.
  */
  @Override
  public boolean shouldHandleDeeplinking() {
  try {
  Bundle metaData = getMetaData();
- boolean shouldHandleDeeplinking =
- metaData != null ? metaData.getBoolean(HANDLE_DEEPLINKING_META_DATA_KEY) : false;
- return shouldHandleDeeplinking;
+ // Check if metadata is not null and contains the HANDLE_DEEPLINKING_META_DATA_KEY.
+ if (metaData != null && metaData.containsKey(HANDLE_DEEPLINKING_META_DATA_KEY)) {
+ return metaData.getBoolean(HANDLE_DEEPLINKING_META_DATA_KEY);
+ } else {
+ // Return true if the deep linking flag is not found in metadata.
+ return true;
+ }
  } catch (PackageManager.NameNotFoundException e) {
  return false;
  }

shell/platform/android/io/flutter/embedding/android/FlutterFragmentActivity.java

@@ -692,14 +692,20 @@ protected boolean shouldAttachEngineToActivity() {
  * <p>The default implementation looks {@code <meta-data>} called {@link
  * FlutterActivityLaunchConfigs#HANDLE_DEEPLINKING_META_DATA_KEY} within the Android manifest
  * definition for this {@code FlutterFragmentActivity}.
+ *
+ * <p>Defaults to {@code true}.
  */
  @VisibleForTesting
  protected boolean shouldHandleDeeplinking() {
  try {
  Bundle metaData = getMetaData();
- boolean shouldHandleDeeplinking =
- metaData != null ? metaData.getBoolean(HANDLE_DEEPLINKING_META_DATA_KEY) : false;
- return shouldHandleDeeplinking;
+ // Check if metadata is not null and contains the HANDLE_DEEPLINKING_META_DATA_KEY.
+ if (metaData != null && metaData.containsKey(HANDLE_DEEPLINKING_META_DATA_KEY)) {
+ return metaData.getBoolean(HANDLE_DEEPLINKING_META_DATA_KEY);
+ } else {
+ // Return true if the deep linking flag is not found in metadata.
+ return true;
+ }
  } catch (PackageManager.NameNotFoundException e) {
  return false;
  }

shell/platform/android/test/io/flutter/embedding/android/FlutterActivityTest.java

@@ -332,8 +332,8 @@ public void itReturnsValueFromMetaDataWhenCallsShouldHandleDeepLinkingCase3()
  Bundle bundle = new Bundle();
  FlutterActivity spyFlutterActivity = spy(flutterActivity);
  when(spyFlutterActivity.getMetaData()).thenReturn(bundle);
- // Empty bundle should return false.
- assertFalse(spyFlutterActivity.shouldHandleDeeplinking());
+ // Empty bundle should return true.
+ assertTrue(spyFlutterActivity.shouldHandleDeeplinking());
  }
 
  @Test

shell/platform/android/test/io/flutter/embedding/android/FlutterFragmentActivityTest.java

@@ -180,8 +180,8 @@ public void itReturnsValueFromMetaDataWhenCallsShouldHandleDeepLinkingCase3()
  Bundle bundle = new Bundle();
  FlutterFragmentActivity spyFlutterActivity = spy(activity);
  when(spyFlutterActivity.getMetaData()).thenReturn(bundle);
- // Empty bundle should return false.
- assertFalse(spyFlutterActivity.shouldHandleDeeplinking());
+ // Empty bundle should return true.
+ assertTrue(spyFlutterActivity.shouldHandleDeeplinking());
  }
 
  @Test

shell/platform/darwin/ios/framework/Source/FlutterAppDelegate.mm

@@ -137,10 +137,11 @@ - (void)userNotificationCenter:(UNUserNotificationCenter*)center
 - (BOOL)openURL:(NSURL*)url {
  NSNumber* isDeepLinkingEnabled =
  [[NSBundle mainBundle] objectForInfoDictionaryKey:@"FlutterDeepLinkingEnabled"];
- if (!isDeepLinkingEnabled.boolValue) {
- // Not set or NO.
+ if ([isDeepLinkingEnabled isEqual:@NO]) {
+ // The flag is set to NO.
  return NO;
  } else {
+ // The flag is not set or set to YES.
  FlutterViewController* flutterViewController = [self rootFlutterViewController];
  if (flutterViewController) {
  [flutterViewController.engine

shell/platform/darwin/ios/framework/Source/FlutterAppDelegateTest.mm

@@ -80,8 +80,10 @@ - (void)testLaunchUrlWithDeepLinkingNotSet {
  [self.appDelegate application:[UIApplication sharedApplication]
  openURL:[NSURL URLWithString:@"http://myApp/custom/route?query=test"]
  options:@{}];
- XCTAssertFalse(result);
- OCMReject([self.mockNavigationChannel invokeMethod:OCMOCK_ANY arguments:OCMOCK_ANY]);
+ XCTAssertTrue(result);
+ OCMVerify([self.mockNavigationChannel
+ invokeMethod:@"pushRouteInformation"
+ arguments:@{@"location" : @"http://myApp/custom/route?query=test"}]);
 }
 
 - (void)testLaunchUrlWithDeepLinkingDisabled {