fix send_keys, use ime when pasteClipboard failed (#1039)

uiautomator2/__init__.py

@@ -587,7 +587,12 @@ def set_clipboard(self, text, label=None):
 
     def clear_text(self):
         """ clear input text """
-        self.jsonrpc.clearInputText()
+        try:
+            # 这个问题基本不大
+            # 不过考虑到u2.jar不一定升级成功了，所以还有留个兜底方案·
+            self.jsonrpc.clearInputText()
+        except:
+            self._clear_text_with_ime()
 
     def send_keys(self, text: str, clear: bool = False):
         """
@@ -599,8 +604,14 @@ def send_keys(self, text: str, clear: bool = False):
         """
         if clear:
             self.clear_text()
-        self.clipboard = text
-        self.jsonrpc.pasteClipboard()
+        try:
+            # setClipboard的兼容性并不是特别好，但是这样做有个优点就是不用装输入法了。
+            self.clipboard = text
+            if self.clipboard != text:
+                raise UiAutomationError("setClipboard failed")
+            self.jsonrpc.pasteClipboard()
+        except:
+            self._send_keys_with_ime(text)
 
     def keyevent(self, v):
         """

uiautomator2/_input.py

@@ -96,7 +96,6 @@ def _must_broadcast(self, action: str, extras: Dict[str, str] = {}):
         if result.code != BORADCAST_RESULT_OK:
             raise AdbBroadcastError(f"broadcast {action} failed: {result.data}")
 
-    @deprecated(reason="use send_keys instead")
     def _send_keys_with_ime(self, text: str):
         try:
             self.set_input_ime()
@@ -140,7 +139,6 @@ def send_action(self, code: Union[str, int] = None):
         else:
             self._must_broadcast('ADB_KEYBOARD_SMART_ENTER')
 
-    @deprecated(reason="use clear_text() instead")
     def _clear_text_with_ime(self):
         """ clear text
         Raises: