Merge "Reset previous symbols shifted state when auto switch backed"

java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java

@@ -546,16 +546,19 @@ public class KeyboardState {
                     || code == Keyboard.CODE_OUTPUT_TEXT)) {
                 mSwitchState = SWITCH_STATE_SYMBOL;
             }
-            // Switch back to alpha keyboard mode immediately if user types a quote character.
+            // Switch back to alpha keyboard mode immediately if user types one of the switch back
+            // characters.
             if (isLayoutSwitchBackCharacter(code)) {
                 toggleAlphabetAndSymbols();
+                mPrevSymbolsKeyboardWasShifted = false;
             }
             break;
         case SWITCH_STATE_SYMBOL:
             // Switch back to alpha keyboard mode if user types one or more non-space/enter
-            // characters followed by a space/enter or a quote character.
+            // characters followed by a space/enter or one of the switch back characters.
             if (isSpaceCharacter(code) || isLayoutSwitchBackCharacter(code)) {
                 toggleAlphabetAndSymbols();
+                mPrevSymbolsKeyboardWasShifted = false;
             }
             break;
         }

tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateSingleTouchTests.java

@@ -122,6 +122,8 @@ public class KeyboardStateSingleTouchTests extends KeyboardStateTestsBase {
         pressAndReleaseKey('~', SYMBOLS_SHIFTED, SYMBOLS_SHIFTED);
         // Enter space, switch back to alphabet.
         pressAndReleaseKey(CODE_SPACE, SYMBOLS_SHIFTED, ALPHABET_UNSHIFTED);
+        // Press/release "?123" key, enter into symbols (not symbols shifted).
+        pressAndReleaseKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
     }
 
     // Automatic switch back to alphabet shift locked test by space key.