copy AutoCompleteTextView from AOSP

copied from main branch (frameworks/base commit 72ea9148bc619515a649cec9029136e42b342d9b)

src/api-impl/android/widget/ArrayAdapter.java

@@ -43,7 +43,7 @@ import java.util.List;
  * or to have some of data besides toString() results fill the views,
  * override {@link #getView(int, View, ViewGroup)} to return the type of view you want.
  */
-public class ArrayAdapter<T> extends BaseAdapter /*implements Filterable*/ {
+public class ArrayAdapter<T> extends BaseAdapter implements Filterable {
 	/**
 	 * Contains the list of objects that represent the data of this ArrayAdapter.
 	 * The content of this list is referred to as "the array" in the documentation.

src/api-impl/android/widget/EditText.java

@@ -16,6 +16,10 @@ public class EditText extends TextView {
 		super(context, attrs);
 	}
 
+	public EditText(Context context, AttributeSet attrs, int defStyle, int defStyleRes) {
+		super(context, attrs, defStyle, defStyleRes);
+	}
+
 	@Override
 	protected native long native_constructor(Context context, AttributeSet attrs);
 	protected native String native_getText(long widget);

src/api-impl/android/widget/PopupWindow.java

@@ -43,12 +43,16 @@ public class PopupWindow {
 	protected native long native_constructor();
 	protected native void native_setContentView(long widget, long contentView);
 	protected native void native_showAsDropDown(long widget, long anchor, int xoff, int yoff, int gravity);
+	protected native boolean native_isShowing(long widget);
+	protected native void native_dismiss(long widget);
 
 	public void setBackgroundDrawable(Drawable background) {}
 
 	public void setInputMethodMode(int mode) {}
 
-	public boolean isShowing() {return false;}
+	public boolean isShowing() {
+		return native_isShowing(popover);
+	}
 
 	public native void setOnDismissListener(OnDismissListener listener);
 
@@ -58,8 +62,10 @@ public class PopupWindow {
 
 	public void setContentView(View view) {
 		contentView = view;
-		contentView.attachToWindowInternal();
-		native_setContentView(popover, view.widget);
+		if (contentView != null) {
+			contentView.attachToWindowInternal();
+		}
+		native_setContentView(popover, view == null ? 0 : view.widget);
 	}
 
 	public int getInputMethodMode() {return 0;}
@@ -95,7 +101,7 @@ public class PopupWindow {
 	}
 
 	public void dismiss() {
-		System.out.println("PopupWindow.dismiss() called");
+		native_dismiss(popover);
 	}
 
 	public void setAnimationStyle(int animationStyle) {}

src/api-impl/android/widget/TextView.java

@@ -39,6 +39,10 @@ public class TextView extends View {
 	}
 
 	public TextView(Context context, AttributeSet attrs, int defStyleAttr) {
+		this(context, attrs, defStyleAttr, 0);
+	}
+
+	public TextView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
 		super(context, attrs, defStyleAttr);
 
 		TypedArray a = context.obtainStyledAttributes(attrs, com.android.internal.R.styleable.TextView, defStyleAttr, 0);