Add native module to reset TextInput to fix bad cursors in some Android keyboards (#2753)

2019-05-01 09:27:21 -04:00
parent 5a70bedcbe
commit df2ecf3409
4 changed files with 62 additions and 3 deletions
--- a/android/app/src/main/java/com/mattermost/rnbeta/RNTextInputResetModule.java
+++ b/android/app/src/main/java/com/mattermost/rnbeta/RNTextInputResetModule.java
@@ -0,0 +1,42 @@
+package com.mattermost.rnbeta;
+
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReactContextBaseJavaModule;
+import com.facebook.react.bridge.ReactMethod;
+import com.facebook.react.uimanager.UIManagerModule;
+import com.facebook.react.uimanager.UIBlock;
+import com.facebook.react.uimanager.NativeViewHierarchyManager;
+import android.content.Context;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+
+public class RNTextInputResetModule extends ReactContextBaseJavaModule {
+
+  private final ReactApplicationContext reactContext;
+
+  public RNTextInputResetModule(ReactApplicationContext reactContext) {
+    super(reactContext);
+    this.reactContext = reactContext;
+  }
+
+  @Override
+  public String getName() {
+    return "RNTextInputReset";
+  }
+
+  // https://github.com/facebook/react-native/pull/12462#issuecomment-298812731
+  @ReactMethod
+  public void resetKeyboardInput(final int reactTagToReset) {
+      UIManagerModule uiManager = getReactApplicationContext().getNativeModule(UIManagerModule.class);
+      uiManager.addUIBlock(new UIBlock() {
+          @Override
+          public void execute(NativeViewHierarchyManager nativeViewHierarchyManager) {
+              InputMethodManager imm = (InputMethodManager) getReactApplicationContext().getBaseContext().getSystemService(Context.INPUT_METHOD_SERVICE);
+              if (imm != null) {
+                  View viewToReset = nativeViewHierarchyManager.resolveView(reactTagToReset);
+                  imm.restartInput(viewToReset);
+              }
+          }
+      });
+  }
+}