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:layout_height="wrap_content" 39 android:layout_alignParentBottom="true" 40 android:animateLayoutChanges="true" 41 android:visibility="invisible" > 42 43 <LinearLayout 44 android:orientation="horizontal" 45 android:layout_width="match_parent" 46 android:layout_height="wrap_content" 47 android:paddingStart="@dimen/button_cluster_horizontal_padding" 48 android:paddingEnd="@dimen/button_cluster_horizontal_padding" 49 android:background="@color/button_background_color" 50 android:gravity="bottom|center_horizontal"> 51 52 <!-- This row only ever shows either 4 or 5 buttons. This may depend on whether the device 53 supports "Hold" (i.e. 4 buttons on CDMA devices, 5 buttons on GSM devices.) or whether 54 it is in a video call. 55 56 There are a couple of *pairs* of buttons that share a single "slot", namely Hold/Swap 57 and Add/Merge. For these, the code in InCallTouchUi is responsible for making sure 58 that at any point exactly one of the pair is VISIBLE and the other is GONE. 59 60 If there are more than 5 buttons eligible to be shown, the presenter is responsible for 61 collapsing those options into an overflow menu, which appears as one of the buttons 62 in the row instead. --> 63 64 <!-- FAR LEFT SLOT ===================================================================== --> 65 66 <!-- "Audio mode". this is a multi-mode button that can behave either like a simple 67 "compound button" with two states *or* like an action button that brings up a popup 68 menu; see btn_compound_audio.xml and CallButtonFragment.updateAudioButtons(). --> 69 <ImageButton android:id="@+id/audioButton" 70 style="@style/InCallCompoundButton" 71 android:background="@drawable/btn_compound_audio" 72 android:contentDescription="@string/onscreenAudioText" /> 73 74 <!-- "Change to audio call" for video calls. --> 75 <ImageButton android:id="@+id/changeToVoiceButton" 76 style="@style/InCallButton" 77 android:background="@drawable/btn_change_to_voice" 78 android:contentDescription="@string/onscreenChangeToVoiceText" 79 android:visibility="gone" /> 80 81 <!-- MIDDLE LEFT SLOT ================================================================== --> 82 83 <!-- "Mute" --> 84 <ImageButton android:id="@+id/muteButton" 85 style="@style/InCallCompoundButton" 86 android:background="@drawable/btn_compound_mute" 87 android:contentDescription="@string/onscreenMuteText" /> 88 89 <!-- CENTER SLOT ======================================================================= --> 90 91 <!-- "Dialpad" --> 92 <ImageButton android:id="@+id/dialpadButton" 93 style="@style/InCallCompoundButton" 94 android:background="@drawable/btn_compound_dialpad" 95 android:contentDescription="@string/onscreenShowDialpadText" /> 96 97 <!-- MIDDLE RIGHT SLOT ================================================================= --> 98 99 <!-- This slot is either "Hold" or "Swap", depending on the state of the call. One or the 100 other of these must always be set to GONE. --> 101 102 <!-- "Hold" --> 103 <ImageButton android:id="@+id/holdButton" 104 style="@style/InCallCompoundButton" 105 android:background="@drawable/btn_compound_hold" 106 android:contentDescription="@string/onscreenHoldText" /> 107 108 <!-- "Swap" (or "Manage calls" in some CDMA states) --> 109 <ImageButton android:id="@+id/swapButton" 110 style="@style/InCallButton" 111 android:background="@drawable/btn_swap" 112 android:contentDescription="@string/onscreenSwapCallsText" 113 android:visibility="gone" /> 114 115 <!-- "Change to video call" --> 116 <ImageButton android:id="@+id/changeToVideoButton" 117 style="@style/InCallButton" 118 android:background="@drawable/btn_change_to_video" 119 android:contentDescription="@string/onscreenVideoCallText" 120 android:visibility="gone" /> 121 122 <!-- "Switch camera" for video calls. --> 123 <ImageButton android:id="@+id/switchCameraButton" 124 style="@style/InCallCompoundButton" 125 android:background="@drawable/btn_compound_video_switch" 126 android:contentDescription="@string/onscreenSwitchCameraText" 127 android:visibility="gone" /> 128 129 <!-- FAR RIGHT SLOT ==================================================================== --> 130 131 <!-- This slot is either "Add" or "Merge", depending on the state of the call. One or the 132 other of these must always be set to GONE. --> 133 134 <!-- "Add Call" --> 135 <ImageButton android:id="@+id/addButton" 136 style="@style/InCallButton" 137 android:background="@drawable/btn_add" 138 android:contentDescription="@string/onscreenAddCallText" 139 android:visibility="gone" /> 140 141 <!-- "Merge calls". This button is used only on GSM devices, where we know that "Add" and 142 "Merge" are never available at the same time. The "Merge" button for CDMA devices is 143 "cdmaMergeButton" above. --> 144 <ImageButton android:id="@+id/mergeButton" 145 style="@style/InCallButton" 146 android:background="@drawable/btn_merge" 147 android:contentDescription="@string/onscreenMergeCallsText" 148 android:visibility="gone" /> 149 150 <!-- "Switch camera" for video calls. --> 151 <ImageButton android:id="@+id/pauseVideoButton" 152 style="@style/InCallCompoundButton" 153 android:background="@drawable/btn_compound_video_off" 154 android:contentDescription="@string/onscreenPauseVideoText" 155 android:visibility="gone" /> 156 157 <!-- "Overflow" --> 158 <ImageButton android:id="@+id/overflowButton" 159 style="@style/InCallButton" 160 android:background="@drawable/btn_overflow" 161 android:contentDescription="@string/onscreenOverflowText" 162 android:visibility="gone" /> 163 164 </LinearLayout> 165 166</LinearLayout> 167