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 package com.android.car.dialer; 17 18 import android.os.Bundle; 19 import android.support.v4.app.Fragment; 20 import android.text.TextUtils; 21 import android.view.LayoutInflater; 22 import android.view.View; 23 import android.view.ViewGroup; 24 import android.widget.TextView; 25 26 /** 27 * A fragment that informs the user that there is no bluetooth device attached that can make 28 * phone calls. 29 */ 30 public class NoHfpFragment extends Fragment { 31 private static final String ERROR_MESSAGE_KEY = "ERROR_MESSAGE_KEY"; 32 33 private TextView mErrorMessageView; 34 private String mErrorMessage; 35 36 /** 37 * Returns an instance of the {@link NoHfpFragment} with the given error message as the one to 38 * display. 39 */ newInstance(String errorMessage)40 static NoHfpFragment newInstance(String errorMessage) { 41 NoHfpFragment fragment = new NoHfpFragment(); 42 43 Bundle args = new Bundle(); 44 args.putString(ERROR_MESSAGE_KEY, errorMessage); 45 fragment.setArguments(args); 46 47 return fragment; 48 } 49 onCreate(Bundle savedInstanceState)50 public void onCreate(Bundle savedInstanceState) { 51 super.onCreate(savedInstanceState); 52 53 Bundle args = getArguments(); 54 if (args != null) { 55 mErrorMessage = args.getString(ERROR_MESSAGE_KEY); 56 } 57 } 58 59 /** 60 * Sets the given error message to be displayed. 61 */ setErrorMessage(String errorMessage)62 void setErrorMessage(String errorMessage) { 63 mErrorMessage = errorMessage; 64 65 // If this method is called before the error message view is available, then no need to 66 // set the message. Instead, it will be set in onCreateView(). 67 if (mErrorMessageView != null && !TextUtils.isEmpty(mErrorMessage)) { 68 mErrorMessageView.setText(mErrorMessage); 69 } 70 } 71 72 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)73 public View onCreateView(LayoutInflater inflater, ViewGroup container, 74 Bundle savedInstanceState) { 75 View v = inflater.inflate(R.layout.no_hfp, container, false); 76 mErrorMessageView = v.findViewById(R.id.error_string); 77 78 // If no error message is set, the default string from the layout will be used. 79 if (!TextUtils.isEmpty(mErrorMessage)) { 80 mErrorMessageView.setText(mErrorMessage); 81 } 82 83 return v; 84 } 85 } 86