1<?xml version="1.0" encoding="utf-8"?> 2<!-- 3 ~ Copyright (C) 2013 The Android Open Source Project 4 ~ 5 ~ Licensed under the Apache License, Version 2.0 (the "License"); 6 ~ you may not use this file except in compliance with the License. 7 ~ You may obtain a copy of the License at 8 ~ 9 ~ http://www.apache.org/licenses/LICENSE-2.0 10 ~ 11 ~ Unless required by applicable law or agreed to in writing, software 12 ~ distributed under the License is distributed on an "AS IS" BASIS, 13 ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ~ See the License for the specific language governing permissions and 15 ~ limitations under the License 16 --> 17 18<!-- In-call onscreen touch UI elements, used on some platforms. 19 20 This layout is a fullscreen overlay, drawn on top of the 21 non-touch-sensitive parts of the in-call UI (i.e. the call card). 22 23 The top-level View here is a InCallTouchUi (FrameLayout) with 2 children: 24 (1) inCallControls: the widgets visible while a regular call (or calls) is in progress 25 (2) incomingCallWidget: the UI displayed while an incoming call is ringing 26 In usual cases, one of these is visible at any given moment. 27 One exception is when incomingCallWidget is fading-out. At that moment, we show 28 inCallControls beneath incomingCallWidget for smoother transition. 29 --> 30 31<!-- Main cluster of onscreen buttons on the lower part of the screen. --> 32<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 33 android:id="@+id/bottomButtons" 34 android:orientation="vertical" 35 android:layout_width="match_parent" 36 android:layout_margin="0dp" 37 android:padding="0dp" 38 android:background="@color/button_background_color" 39 android:layout_height="wrap_content" 40 android:layout_alignParentBottom="true" 41 android:animateLayoutChanges="true" > 42 43 <LinearLayout 44 android:orientation="horizontal" 45 android:layout_width="match_parent" 46 android:layout_height="wrap_content" 47 android:gravity="bottom|center_horizontal" 48 android:baselineAligned="false"> 49 50 <!-- This row only ever shows either 4 or 5 buttons. This may depend on whether the device 51 supports "Hold" (i.e. 4 buttons on CDMA devices, 5 buttons on GSM devices.) or whether 52 it is in a video call. 53 54 There are a couple of *pairs* of buttons that share a single "slot", namely Hold/Swap 55 and Add/Merge. For these, the code in InCallTouchUi is responsible for making sure 56 that at any point exactly one of the pair is VISIBLE and the other is GONE. 57 58 If there are more than 5 buttons eligible to be shown, the presenter is responsible for 59 collapsing those options into an overflow menu, which appears as one of the buttons 60 in the row instead. --> 61 62 <!-- FAR LEFT SLOT ===================================================================== --> 63 64 <!-- "Audio mode". this is a multi-mode button that can behave either like a simple 65 "compound button" with two states *or* like an action button that brings up a popup 66 menu; see btn_compound_audio.xml and CallButtonFragment.updateAudioButtons(). --> 67 <ToggleButton android:id="@+id/audioButton" 68 style="@style/InCallCompoundButton" 69 android:background="@drawable/btn_compound_audio" 70 android:contentDescription="@string/audio_mode_speaker" /> 71 72 <!-- MIDDLE LEFT SLOT ================================================================== --> 73 74 <!-- "Mute" --> 75 <ToggleButton android:id="@+id/muteButton" 76 style="@style/InCallCompoundButton" 77 android:background="@drawable/btn_compound_mute" 78 android:contentDescription="@string/onscreenMuteText_unselected" /> 79 80 <!-- CENTER SLOT ======================================================================= --> 81 82 <!-- "Dialpad" --> 83 <ToggleButton android:id="@+id/dialpadButton" 84 style="@style/InCallCompoundButton" 85 android:background="@drawable/btn_compound_dialpad" 86 android:contentDescription="@string/onscreenShowDialpadText_unselected" /> 87 88 <!-- MIDDLE RIGHT SLOT ================================================================= --> 89 90 <!-- This slot is either "Hold" or "Swap", depending on the state of the call. One or the 91 other of these must always be set to GONE. --> 92 93 <!-- "Hold" --> 94 <ToggleButton android:id="@+id/holdButton" 95 style="@style/InCallCompoundButton" 96 android:background="@drawable/btn_compound_hold" 97 android:contentDescription="@string/onscreenHoldText_unselected" /> 98 99 <!-- "Swap" (or "Manage calls" in some CDMA states) --> 100 <ImageButton android:id="@+id/swapButton" 101 style="@style/InCallButton" 102 android:background="@drawable/btn_swap" 103 android:contentDescription="@string/onscreenSwapCallsText" 104 android:visibility="gone" /> 105 106 <!-- "Change to video call" --> 107 <ImageButton android:id="@+id/changeToVideoButton" 108 style="@style/InCallButton" 109 android:background="@drawable/btn_change_to_video" 110 android:contentDescription="@string/onscreenVideoCallText" 111 android:visibility="gone" /> 112 113 <!-- "Switch camera" for video calls. --> 114 <ToggleButton android:id="@+id/switchCameraButton" 115 style="@style/InCallCompoundButton" 116 android:background="@drawable/btn_compound_video_switch" 117 android:contentDescription="@string/onscreenSwitchCameraText" 118 android:visibility="gone" /> 119 120 <!-- FAR RIGHT SLOT ==================================================================== --> 121 122 <!-- This slot is either "Add" or "Merge", depending on the state of the call. One or the 123 other of these must always be set to GONE. --> 124 125 <!-- "Turn off camera" for video calls. --> 126 <ToggleButton android:id="@+id/pauseVideoButton" 127 style="@style/InCallCompoundButton" 128 android:background="@drawable/btn_compound_video_off" 129 android:contentDescription="@string/onscreenTurnOffCameraText" 130 android:visibility="gone" /> 131 132 <!-- "Change to audio call" for video calls. --> 133 <ImageButton android:id="@+id/changeToVoiceButton" 134 style="@style/InCallButton" 135 android:background="@drawable/btn_change_to_voice" 136 android:contentDescription="@string/onscreenChangeToVoiceText" 137 android:visibility="gone" /> 138 139 <!-- "Add Call" --> 140 <ImageButton android:id="@+id/addButton" 141 style="@style/InCallButton" 142 android:background="@drawable/btn_add" 143 android:contentDescription="@string/onscreenAddCallText" 144 android:visibility="gone" /> 145 146 <!-- "Merge calls". This button is used only on GSM devices, where we know that "Add" and 147 "Merge" are never available at the same time. The "Merge" button for CDMA devices is 148 "cdmaMergeButton" above. --> 149 <ImageButton android:id="@+id/mergeButton" 150 style="@style/InCallButton" 151 android:background="@drawable/btn_merge" 152 android:contentDescription="@string/onscreenMergeCallsText" 153 android:visibility="gone" /> 154 155 <!-- "Overflow" --> 156 <ImageButton android:id="@+id/overflowButton" 157 style="@style/InCallButton" 158 android:background="@drawable/btn_overflow" 159 android:contentDescription="@string/onscreenOverflowText" 160 android:visibility="gone" /> 161 162 <!-- "Manage conference button (Video Call) " --> 163 <ImageButton android:id="@+id/manageVideoCallConferenceButton" 164 style="@style/InCallButton" 165 android:background="@drawable/ic_group_white_24dp" 166 android:contentDescription="@string/onscreenManageConferenceText" 167 android:visibility="gone" /> 168 169 </LinearLayout> 170 171</LinearLayout> 172