1 /* 2 * Copyright (C) 2015 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.v14.preference; 18 19 import android.os.Bundle; 20 import android.support.v7.preference.EditTextPreference; 21 import android.view.View; 22 import android.view.ViewGroup; 23 import android.view.ViewParent; 24 import android.widget.EditText; 25 26 public class EditTextPreferenceDialogFragment extends PreferenceDialogFragment { 27 28 private EditText mEditText; 29 newInstance(String key)30 public static EditTextPreferenceDialogFragment newInstance(String key) { 31 final EditTextPreferenceDialogFragment 32 fragment = new EditTextPreferenceDialogFragment(); 33 final Bundle b = new Bundle(1); 34 b.putString(ARG_KEY, key); 35 fragment.setArguments(b); 36 return fragment; 37 } 38 39 @Override onBindDialogView(View view)40 protected void onBindDialogView(View view) { 41 super.onBindDialogView(view); 42 43 mEditText = new EditText(view.getContext()); 44 // Give it an ID so it can be saved/restored 45 mEditText.setId(android.R.id.edit); 46 47 mEditText.setText(getEditTextPreference().getText()); 48 49 ViewParent oldParent = mEditText.getParent(); 50 if (oldParent != view) { 51 if (oldParent != null) { 52 ((ViewGroup) oldParent).removeView(mEditText); 53 } 54 onAddEditTextToDialogView(view, mEditText); 55 } 56 } 57 getEditTextPreference()58 private EditTextPreference getEditTextPreference() { 59 return (EditTextPreference) getPreference(); 60 } 61 62 /** @hide */ 63 @Override needInputMethod()64 protected boolean needInputMethod() { 65 // We want the input method to show, if possible, when dialog is displayed 66 return true; 67 } 68 69 /** 70 * Adds the EditText widget of this preference to the dialog's view. 71 * 72 * @param dialogView The dialog view. 73 */ onAddEditTextToDialogView(View dialogView, EditText editText)74 protected void onAddEditTextToDialogView(View dialogView, EditText editText) { 75 ViewGroup container = (ViewGroup) dialogView 76 .findViewById(R.id.edittext_container); 77 if (container != null) { 78 container.addView(editText, ViewGroup.LayoutParams.FILL_PARENT, 79 ViewGroup.LayoutParams.WRAP_CONTENT); 80 } 81 } 82 83 @Override onDialogClosed(boolean positiveResult)84 public void onDialogClosed(boolean positiveResult) { 85 86 if (positiveResult) { 87 String value = mEditText.getText().toString(); 88 if (getEditTextPreference().callChangeListener(value)) { 89 getEditTextPreference().setText(value); 90 } 91 } 92 } 93 94 } 95