1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.widget; 18 19 import android.content.Context; 20 import android.graphics.Rect; 21 import android.util.AttributeSet; 22 import android.view.View; 23 import android.view.ViewParent; 24 25 /** 26 * An EditText that, instead of scrolling to itself when focused, will request scrolling to its 27 * parent. This is used in ChooseLockPassword to do make a best effort for not hiding the error 28 * messages for why the password is invalid under the keyboard. 29 */ 30 public class ScrollToParentEditText extends ImeAwareEditText { 31 32 private Rect mRect = new Rect(); 33 ScrollToParentEditText(Context context, AttributeSet attrs)34 public ScrollToParentEditText(Context context, AttributeSet attrs) { 35 super(context, attrs); 36 } 37 38 @Override requestRectangleOnScreen(Rect rectangle, boolean immediate)39 public boolean requestRectangleOnScreen(Rect rectangle, boolean immediate) { 40 ViewParent parent = getParent(); 41 if (parent instanceof View) { 42 // Request the entire parent view to be shown, which in ChooseLockPassword's case, 43 // will include messages for why the password is invalid (if any). 44 ((View) parent).getDrawingRect(mRect); 45 return ((View) parent).requestRectangleOnScreen(mRect, immediate); 46 } else { 47 return super.requestRectangleOnScreen(rectangle, immediate); 48 } 49 } 50 } 51