android implementation

Author: LongCatIsLooong

shell/platform/android/io/flutter/embedding/engine/systemchannels/TextInputChannel.java

@@ -112,6 +112,14 @@ public void onMethodCall(@NonNull MethodCall call, @NonNull MethodChannel.Result
               textInputMethodHandler.clearClient();
               result.success(null);
               break;
+            case "TextInput.AutofillContext.commit":
+              textInputMethodHandler.finishAutofillContext(true);
+              result.success(null);
+              break;
+            case "TextInput.AutofillContext.cancel":
+              textInputMethodHandler.finishAutofillContext(false);
+              result.success(null);
+              break;
             default:
               result.notImplemented();
               break;
@@ -284,6 +292,18 @@ public interface TextInputMethodHandler {
      */
     void requestAutofill();
 
+    /**
+     * Requests that the {@link AutofillManager} cancel or commit the current
+     * autofill context, depending on the value of {@code shouldSave}.
+     *
+     * The method calls {@link android.view.autofill.AutofillManager#commit()} when {@code shouldSave}
+     * is true, and calls {@link android.view.autofill.AutofillManager#cancel()} otherwise.
+     *
+     * @param shouldSave whether the active autofill service should save the
+     *                   current user input for future use.
+     */
+    void finishAutofillContext(boolean shouldSave);
+
     // TODO(mattcarroll): javadoc
     void setClient(int textInputClientId, @NonNull Configuration configuration);
 

shell/platform/android/io/flutter/plugin/editing/TextInputPlugin.java

@@ -82,6 +82,17 @@ public void requestAutofill() {
             notifyViewEntered();
           }
 
+          @Override
+          public void finishAutofillContext(boolean shouldSave) {
+            if (afm == null)
+              return;
+            if (shouldSave) {
+              afm.commit();
+            } else {
+              afm.cancel();
+            }
+          }
+
           @Override
           public void setClient(
               int textInputClientId, TextInputChannel.Configuration configuration) {

shell/platform/android/test/io/flutter/plugin/editing/TextInputPluginTest.java

@@ -35,6 +35,7 @@
 import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugin.common.JSONMethodCodec;
 import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
 import io.flutter.plugin.platform.PlatformViewsController;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -70,6 +71,12 @@ private void verifyMethodCall(ByteBuffer buffer, String methodName, String[] exp
     }
   }
 
+  private static void sendToBinaryMessageHandler(BinaryMessenger.BinaryMessageHandler binaryMessageHandler, String method, Object args) {
+    MethodCall methodCall = new MethodCall(method, args);
+    ByteBuffer encodedMethodCall = JSONMethodCodec.INSTANCE.encodeMethodCall(methodCall).position(0);
+    binaryMessageHandler.onMessage(encodedMethodCall, mock(BinaryMessenger.BinaryReply.class));
+  }
+
   @Test
   public void textInputPlugin_RequestsReattachOnCreation() throws JSONException {
     // Initialize a general TextInputPlugin.
@@ -531,6 +538,32 @@ public void autofill_onProvideVirtualViewStructure_single() {
     verify(children[0]).setDimens(anyInt(), anyInt(), anyInt(), anyInt(), geq(0), geq(0));
   }
 
+  @Test
+  public void respondsToInputChannelMessages () {
+    ArgumentCaptor<BinaryMessenger.BinaryMessageHandler> binaryMessageHandlerCaptor = ArgumentCaptor.forClass(BinaryMessenger.BinaryMessageHandler.class);
+    DartExecutor mockBinaryMessenger = mock(DartExecutor.class);
+    TextInputChannel.TextInputMethodHandler mockHandler = mock(TextInputChannel.TextInputMethodHandler.class);
+    TextInputChannel textInputChannel = new TextInputChannel(mockBinaryMessenger);
+
+    textInputChannel.setTextInputMethodHandler(mockHandler);
+
+    verify(mockBinaryMessenger, times(1))
+            .setMessageHandler(
+                    any(String.class),
+                    binaryMessageHandlerCaptor.capture());
+
+    BinaryMessenger.BinaryMessageHandler binaryMessageHandler = binaryMessageHandlerCaptor.getValue();
+
+    sendToBinaryMessageHandler(binaryMessageHandler, "TextInput.requestAutofill", null);
+    verify(mockHandler, times(1)).requestAutofill();
+
+    sendToBinaryMessageHandler(binaryMessageHandler, "TextInput.AutofillContext.commit", null);
+    verify(mockHandler, times(1)).finishAutofillContext(true);
+
+    sendToBinaryMessageHandler(binaryMessageHandler, "TextInput.AutofillContext.cancel", null);
+    verify(mockHandler, times(1)).finishAutofillContext(false);
+  }
+
   @Implements(InputMethodManager.class)
   public static class TestImm extends ShadowInputMethodManager {
     private InputMethodSubtype currentInputMethodSubtype;