1 /* 2 * Copyright (C) 2016 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 android.support.design.widget; 18 19 import android.content.Context; 20 import android.support.v7.widget.AppCompatEditText; 21 import android.util.AttributeSet; 22 import android.view.ViewParent; 23 import android.view.inputmethod.EditorInfo; 24 import android.view.inputmethod.InputConnection; 25 26 /** 27 * A special sub-class of {@link android.widget.EditText} designed for use as a child of 28 * {@link TextInputLayout}. 29 * 30 * <p>Using this class allows us to display a hint in the IME when in 'extract' mode.</p> 31 */ 32 public class TextInputEditText extends AppCompatEditText { 33 TextInputEditText(Context context)34 public TextInputEditText(Context context) { 35 super(context); 36 } 37 TextInputEditText(Context context, AttributeSet attrs)38 public TextInputEditText(Context context, AttributeSet attrs) { 39 super(context, attrs); 40 } 41 TextInputEditText(Context context, AttributeSet attrs, int defStyleAttr)42 public TextInputEditText(Context context, AttributeSet attrs, int defStyleAttr) { 43 super(context, attrs, defStyleAttr); 44 } 45 46 @Override onCreateInputConnection(EditorInfo outAttrs)47 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 48 final InputConnection ic = super.onCreateInputConnection(outAttrs); 49 if (ic != null && outAttrs.hintText == null) { 50 // If we don't have a hint and our parent is a TextInputLayout, use it's hint for the 51 // EditorInfo. This allows us to display a hint in 'extract mode'. 52 final ViewParent parent = getParent(); 53 if (parent instanceof TextInputLayout) { 54 outAttrs.hintText = ((TextInputLayout) parent).getHint(); 55 } 56 } 57 return ic; 58 } 59 } 60