Bootstrap clear fallback strategy by sending bunch of deletes

darend · Aug 7, 2014 · 70802ec · 70802ec
1 parent 2d64899
commit 70802ec
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Showing 2 changed files with 46 additions and 5 deletions.
diff --git a/lib/devices/android/bootstrap/src/com/android/uiautomator/common/ReflectionUtils.java b/lib/devices/android/bootstrap/src/com/android/uiautomator/common/ReflectionUtils.java
@@ -2,7 +2,7 @@
 
 import com.android.uiautomator.core.UiDevice;
 import io.appium.android.bootstrap.Logger;
-
+import android.view.InputEvent;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 
@@ -19,11 +19,12 @@ private static Field enableField(final Class<?> clazz, final String field)
   }
 
   private Object controller = null;
+  private Object bridge = null;
 
   public ReflectionUtils() throws IllegalArgumentException,
       IllegalAccessException, SecurityException, NoSuchFieldException {
     final UiDevice device = UiDevice.getInstance();
-    final Object bridge = enableField(device.getClass(), "mUiAutomationBridge")
+    bridge = enableField(device.getClass(), "mUiAutomationBridge")
         .get(device);
     if (API_18) {
       controller = enableField(bridge.getClass().getSuperclass(),
@@ -43,11 +44,23 @@ public Object getController() throws IllegalArgumentException,
     return controller;
   }
 
+  public Object getBridge() {
+    return bridge;
+  }
+
   public Method getControllerMethod(final String name, final Class<?>... parameterTypes)
       throws NoSuchMethodException, SecurityException {
     return getMethod(controller.getClass(), name, parameterTypes);
   }
 
+  public Method getMethodInjectInputEvent() throws NoSuchMethodException, SecurityException {
+      Class bridgeClass = bridge.getClass();
+      if (API_18) {
+          bridgeClass = bridgeClass.getSuperclass();
+      }
+      return getMethod(bridgeClass, "injectInputEvent", InputEvent.class, boolean.class);
+  }
+
   public Method getMethod(final Class clazz, String name, final Class<?>... parameterTypes)
       throws NoSuchMethodException, SecurityException {
     Logger.debug("Finding methods on class: " + clazz);

diff --git a/lib/devices/android/bootstrap/src/io/appium/android/bootstrap/handler/Clear.java b/lib/devices/android/bootstrap/src/io/appium/android/bootstrap/handler/Clear.java
@@ -9,6 +9,8 @@
 import android.graphics.Rect;
 import com.android.uiautomator.common.ReflectionUtils;
 import com.android.uiautomator.core.UiObject;
+import android.view.InputDevice;
+import android.view.KeyCharacterMap;
 import com.android.uiautomator.core.UiSelector;
 
 
@@ -54,19 +56,45 @@ public AndroidCommandResult execute(final AndroidCommand command)
         // delete it
         final Method sendKey = utils.getControllerMethod("sendKey", int.class,int.class);
         sendKey.invoke(utils.getController(), KeyEvent.KEYCODE_DEL, 0);
+        if (el.getText().isEmpty()) {
+          return getSuccessResult(true);
+        }
+        // If above strategy does not work then sending bunch of delete keys after clicking on element.
+        Logger.debug("Clearing text not successful using selectAllDelete now trying to send delete keys.");
+        String tempTextHolder = "";
+        final Object bridgeObject = utils.getBridge();
+        final Method injectInputEvent = utils.getMethodInjectInputEvent();
+        // Preventing infinite while loop.
+        while (!el.getText().isEmpty() && !tempTextHolder.equalsIgnoreCase(el.getText())) {
+            tempTextHolder = el.getText();
+            // Trying send delete keys after clicking in text box.
+            el.click();
+            // Sending 25 delete keys asynchronously
+            final long eventTime = SystemClock.uptimeMillis();
+            KeyEvent deleteEvent = new KeyEvent(eventTime, eventTime, KeyEvent.ACTION_DOWN,
+                    KeyEvent.KEYCODE_DEL, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 0,
+                    InputDevice.SOURCE_KEYBOARD);
+            for (int count = 0; count < 25; count++) {
+                injectInputEvent.invoke(bridgeObject, deleteEvent, false);
+            }
+        }
         // If still text exist falling back on UIautomator clearText.
         if (!el.getText().isEmpty()) {
            Logger.debug("Clearing text not successful falling back to UiAutomator method clear");
            el.clearText();
         }
-        return getSuccessResult(el.getText().isEmpty());
+        // If clear text is still unsuccessful throwing error back
+        if (!el.getText().isEmpty()) {
+            return getErrorResult("Clear text not successful.");
+        }
+        return getSuccessResult(true);
       } catch (final UiObjectNotFoundException e) {
         return new AndroidCommandResult(WDStatus.NO_SUCH_ELEMENT,
             e.getMessage());
       } catch (final Exception e) { // handle NullPointerException
         return getErrorResult("Unknown error clearing text");
       }
+  }
+      return getErrorResult("Unknown error");
     }
-    return getErrorResult("Unknown error");
   }
-}