1 /* 2 * Copyright (C) 2014 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.dialer.util; 17 18 import android.app.Activity; 19 import android.content.ActivityNotFoundException; 20 import android.content.ComponentName; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.content.res.Resources; 26 import android.graphics.Point; 27 import android.net.Uri; 28 import android.os.Bundle; 29 import android.provider.Telephony; 30 import android.telecom.TelecomManager; 31 import android.text.TextUtils; 32 import android.view.View; 33 import android.view.inputmethod.InputMethodManager; 34 import android.widget.ImageView; 35 import android.widget.TextView; 36 import android.widget.Toast; 37 38 import com.android.contacts.common.ContactsUtils; 39 import com.android.contacts.common.interactions.TouchPointManager; 40 import com.android.dialer.R; 41 import com.android.incallui.CallCardFragment; 42 import com.android.incallui.Log; 43 44 import java.util.List; 45 import java.util.Locale; 46 47 /** 48 * General purpose utility methods for the Dialer. 49 */ 50 public class DialerUtils { 51 52 /** 53 * Attempts to start an activity and displays a toast with the default error message if the 54 * activity is not found, instead of throwing an exception. 55 * 56 * @param context to start the activity with. 57 * @param intent to start the activity with. 58 */ 59 public static void startActivityWithErrorToast(Context context, Intent intent) { 60 startActivityWithErrorToast(context, intent, R.string.activity_not_available); 61 } 62 63 /** 64 * Attempts to start an activity and displays a toast with a provided error message if the 65 * activity is not found, instead of throwing an exception. 66 * 67 * @param context to start the activity with. 68 * @param intent to start the activity with. 69 * @param msgId Resource ID of the string to display in an error message if the activity is 70 * not found. 71 */ 72 public static void startActivityWithErrorToast(Context context, Intent intent, int msgId) { 73 try { 74 if (Intent.ACTION_CALL.equals(intent.getAction())) { 75 // All dialer-initiated calls should pass the touch point to the InCallUI 76 Point touchPoint = TouchPointManager.getInstance().getPoint(); 77 if (touchPoint.x != 0 || touchPoint.y != 0) { 78 Bundle extras = new Bundle(); 79 extras.putParcelable(TouchPointManager.TOUCH_POINT, touchPoint); 80 intent.putExtra(TelecomManager.EXTRA_OUTGOING_CALL_EXTRAS, extras); 81 } 82 83 ((Activity) context).startActivityForResult(intent, 0); 84 } else { 85 context.startActivity(intent); 86 } 87 } catch (ActivityNotFoundException e) { 88 Toast.makeText(context, msgId, Toast.LENGTH_SHORT).show(); 89 } 90 } 91 92 /** 93 * Returns the component name to use in order to send an SMS using the default SMS application, 94 * or null if none exists. 95 */ 96 public static ComponentName getSmsComponent(Context context) { 97 String smsPackage = Telephony.Sms.getDefaultSmsPackage(context); 98 if (smsPackage != null) { 99 final PackageManager packageManager = context.getPackageManager(); 100 final Intent intent = new Intent(Intent.ACTION_SENDTO, 101 Uri.fromParts(ContactsUtils.SCHEME_SMSTO, "", null)); 102 final List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent, 0); 103 for (ResolveInfo resolveInfo : resolveInfos) { 104 if (smsPackage.equals(resolveInfo.activityInfo.packageName)) { 105 return new ComponentName(smsPackage, resolveInfo.activityInfo.name); 106 } 107 } 108 } 109 return null; 110 } 111 112 /** 113 * Sets the image asset and text for an empty list view (see empty_list_view.xml). 114 * 115 * @param emptyListView The empty list view. 116 * @param imageResId The resource id for the drawable to set as the image. 117 * @param strResId The resource id for the string to set as the message. 118 * @param res The resources to obtain the image and string from. 119 */ 120 public static void configureEmptyListView( 121 View emptyListView, int imageResId, int strResId, Resources res) { 122 ImageView emptyListViewImage = 123 (ImageView) emptyListView.findViewById(R.id.emptyListViewImage); 124 125 emptyListViewImage.setImageDrawable(res.getDrawable(imageResId)); 126 emptyListViewImage.setContentDescription(res.getString(strResId)); 127 128 TextView emptyListViewMessage = 129 (TextView) emptyListView.findViewById(R.id.emptyListViewMessage); 130 emptyListViewMessage.setText(res.getString(strResId)); 131 } 132 133 /** 134 * Closes an {@link AutoCloseable}, silently ignoring any checked exceptions. Does nothing if 135 * null. 136 * 137 * @param closeable to close. 138 */ 139 public static void closeQuietly(AutoCloseable closeable) { 140 if (closeable != null) { 141 try { 142 closeable.close(); 143 } catch (RuntimeException rethrown) { 144 throw rethrown; 145 } catch (Exception ignored) { 146 } 147 } 148 } 149 150 /** 151 * Joins a list of {@link CharSequence} into a single {@link CharSequence} seperated by a 152 * localized delimiter such as ", ". 153 * 154 * @param resources Resources used to get list delimiter. 155 * @param list List of char sequences to join. 156 * @return Joined char sequences. 157 */ 158 public static CharSequence join(Resources resources, Iterable<CharSequence> list) { 159 final CharSequence separator = resources.getString(R.string.list_delimeter); 160 return TextUtils.join(separator, list); 161 } 162 163 /** 164 * @return True if the application is currently in RTL mode. 165 */ 166 public static boolean isRtl() { 167 return TextUtils.getLayoutDirectionFromLocale(Locale.getDefault()) == 168 View.LAYOUT_DIRECTION_RTL; 169 } 170 171 public static void showInputMethod(View view) { 172 final InputMethodManager imm = (InputMethodManager) view.getContext().getSystemService( 173 Context.INPUT_METHOD_SERVICE); 174 if (imm != null) { 175 imm.showSoftInput(view, 0); 176 } 177 } 178 179 public static void hideInputMethod(View view) { 180 final InputMethodManager imm = (InputMethodManager) view.getContext().getSystemService( 181 Context.INPUT_METHOD_SERVICE); 182 if (imm != null) { 183 imm.hideSoftInputFromWindow(view.getWindowToken(), 0); 184 } 185 } 186 } 187