diff --git a/src/api-impl/android/os/ConditionVariable.java b/src/api-impl/android/os/ConditionVariable.java
index 7193fa9c..346cc5d4 100644
--- a/src/api-impl/android/os/ConditionVariable.java
+++ b/src/api-impl/android/os/ConditionVariable.java
@@ -2,6 +2,8 @@ package android.os;
 
 public class ConditionVariable {
 
+	public ConditionVariable(boolean state) {}
+
 	public void open() {}
 
 	public void block() {}
diff --git a/src/api-impl/android/view/MotionEvent.java b/src/api-impl/android/view/MotionEvent.java
index 3c85c0c2..359affb6 100644
--- a/src/api-impl/android/view/MotionEvent.java
+++ b/src/api-impl/android/view/MotionEvent.java
@@ -1540,11 +1540,11 @@ public final class MotionEvent extends InputEvent {
 			pc[0].pressure = pressure;
 			pc[0].size = size;
 
-			ev.mNativePtr = nativeInitialize(ev.mNativePtr,
-							 deviceId, /*InputDevice.SOURCE_UNKNOWN*/ 0, action, 0, edgeFlags, metaState, 0,
-							 0, 0, xPrecision, yPrecision,
-							 downTime * NS_PER_MS, eventTime * NS_PER_MS,
-							 1, pp, pc);
+//			ev.mNativePtr = nativeInitialize(ev.mNativePtr,
+//							 deviceId, /*InputDevice.SOURCE_UNKNOWN*/ 0, action, 0, edgeFlags, metaState, 0,
+//							 0, 0, xPrecision, yPrecision,
+//							 downTime * NS_PER_MS, eventTime * NS_PER_MS,
+//							 1, pp, pc);
 			return ev;
 		}
 	}
diff --git a/src/api-impl/android/view/VelocityTracker.java b/src/api-impl/android/view/VelocityTracker.java
index 36960a02..352945f8 100644
--- a/src/api-impl/android/view/VelocityTracker.java
+++ b/src/api-impl/android/view/VelocityTracker.java
@@ -5,4 +5,8 @@ public class VelocityTracker {
 	public static VelocityTracker obtain() {
 		return new VelocityTracker();
 	}
+
+	public void addMovement(MotionEvent event) {}
+
+	public void recycle() {}
 }
diff --git a/src/api-impl/android/view/View.java b/src/api-impl/android/view/View.java
index 7438bc51..2b0322c1 100644
--- a/src/api-impl/android/view/View.java
+++ b/src/api-impl/android/view/View.java
@@ -5,6 +5,7 @@ import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
+import android.graphics.Paint;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.os.Handler;
@@ -799,6 +800,8 @@ public class View extends Object {
 	private int scrollX = 0;
 	private int scrollY = 0;
 
+	private boolean attachedToWindow = false;
+
 	public long widget; // pointer
 
 	public static HashMap<Integer, View> view_by_id = new HashMap<Integer, View>();
@@ -1247,7 +1250,7 @@ public class View extends Object {
 	public void clearAnimation() {}
 
 	public ViewPropertyAnimator animate() {
-		return new ViewPropertyAnimator();
+		return new ViewPropertyAnimator(this);
 	}
 
 	public float getTranslationX() {return 0.f;}
@@ -1385,7 +1388,7 @@ public class View extends Object {
 
 	public void setPaddingRelative(int start, int top, int end, int bottom) {}
 
-	public boolean isAttachedToWindow() {return true;}
+	public boolean isAttachedToWindow() {return attachedToWindow;}
 
 	public void requestApplyInsets() {}
 
@@ -1457,4 +1460,10 @@ public class View extends Object {
 	}
 
 	public void setKeepScreenOn(boolean screenOn) {}
+
+	protected void onAttachedToWindow () {
+		attachedToWindow = true;
+	}
+
+	public void setLayerType(int layerType, Paint paint) {}
 }
diff --git a/src/api-impl/android/view/ViewGroup.java b/src/api-impl/android/view/ViewGroup.java
index ecde5bc6..413b16dd 100644
--- a/src/api-impl/android/view/ViewGroup.java
+++ b/src/api-impl/android/view/ViewGroup.java
@@ -75,6 +75,9 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
 			index = children.size();
 		children.add(index, child);
 		native_addView(widget, child.widget, index, params);
+		if (isAttachedToWindow()) {
+			child.onAttachedToWindow();
+		}
 		requestLayout();
 	}
 
@@ -291,6 +294,14 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
 
 	public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) {}
 
+	@Override
+	protected void onAttachedToWindow() {
+		super.onAttachedToWindow();
+		for (View child: children) {
+			child.onAttachedToWindow();
+		}
+	}
+
 	public static class LayoutParams {
 		public static final int FILL_PARENT = -1;
 		public static final int MATCH_PARENT = -1;
diff --git a/src/api-impl/android/view/ViewPropertyAnimator.java b/src/api-impl/android/view/ViewPropertyAnimator.java
index ceaa9ada..2548347d 100644
--- a/src/api-impl/android/view/ViewPropertyAnimator.java
+++ b/src/api-impl/android/view/ViewPropertyAnimator.java
@@ -5,6 +5,12 @@ import android.animation.TimeInterpolator;
 
 public class ViewPropertyAnimator {
 
+	private View view;
+
+	public ViewPropertyAnimator(View view) {
+		this.view = view;
+	}
+
 	public void cancel() {}
 
 	public ViewPropertyAnimator setInterpolator(TimeInterpolator interpolator) {
@@ -18,6 +24,7 @@ public class ViewPropertyAnimator {
 	}
 
 	public ViewPropertyAnimator alpha(float alpha) {
+		view.setAlpha(alpha);
 		return this;
 	}
 
diff --git a/src/api-impl/android/view/Window.java b/src/api-impl/android/view/Window.java
index a5207241..240f6599 100644
--- a/src/api-impl/android/view/Window.java
+++ b/src/api-impl/android/view/Window.java
@@ -43,6 +43,7 @@ public class Window {
 	public void setContentView(View view) {
 		if (view != contentView) {
 			contentView = view;
+			view.onAttachedToWindow();
 			set_widget_as_root(native_window, view.widget);
 		}
 	}
diff --git a/src/api-impl/android/widget/TextView.java b/src/api-impl/android/widget/TextView.java
index c8fe5014..42a7b055 100644
--- a/src/api-impl/android/widget/TextView.java
+++ b/src/api-impl/android/widget/TextView.java
@@ -183,6 +183,8 @@ public class TextView extends View {
 		return new MovementMethod();
 	}
 
+	public CharSequence getHint() {return "HINT";}
+
 	public static interface OnEditorActionListener {
 	}