Simplify and tidy the API for maximum value support. (5d1a9840) · Commits · e / os / android_frameworks_base

api/current.txt

+5 −12

Original line number	Diff line number	Diff line
		@@ -598,10 +598,10 @@ package android {
		field public static final int layout_centerInParent = 16843151; // 0x101018f
		field public static final int layout_centerVertical = 16843153; // 0x1010191
		field public static final int layout_column = 16843084; // 0x101014c
		field public static final int layout_columnSpan = 16843644; // 0x101037c
		field public static final int layout_columnFlexibility = 16843646; // 0x101037e
		field public static final int layout_columnSpan = 16843645; // 0x101037d
		field public static final int layout_gravity = 16842931; // 0x10100b3
		field public static final int layout_height = 16842997; // 0x10100f5
		field public static final int layout_heightSpec = 16843646; // 0x101037e
		field public static final int layout_margin = 16842998; // 0x10100f6
		field public static final int layout_marginBottom = 16843002; // 0x10100fa
		field public static final int layout_marginEnd = 16843674; // 0x101039a
		@@ -610,6 +610,7 @@ package android {
		field public static final int layout_marginStart = 16843673; // 0x1010399
		field public static final int layout_marginTop = 16843000; // 0x10100f8
		field public static final int layout_row = 16843642; // 0x101037a
		field public static final int layout_rowFlexibility = 16843644; // 0x101037c
		field public static final int layout_rowSpan = 16843643; // 0x101037b
		field public static final int layout_scale = 16843155; // 0x1010193
		field public static final int layout_span = 16843085; // 0x101014d
		@@ -617,7 +618,6 @@ package android {
		field public static final int layout_toRightOf = 16843139; // 0x1010183
		field public static final int layout_weight = 16843137; // 0x1010181
		field public static final int layout_width = 16842996; // 0x10100f4
		field public static final int layout_widthSpec = 16843645; // 0x101037d
		field public static final int layout_x = 16843135; // 0x101017f
		field public static final int layout_y = 16843136; // 0x1010180
		field public static final int left = 16843181; // 0x10101ad
		@@ -24953,11 +24953,9 @@ package android.widget {
		field public static final int ALIGN_MARGINS = 1; // 0x1
		field public static final android.widget.GridLayout.Alignment BASELINE;
		field public static final android.widget.GridLayout.Alignment BOTTOM;
		field public static final android.widget.GridLayout.Spec CAN_SHRINK;
		field public static final android.widget.GridLayout.Spec CAN_STRETCH;
		field public static final int CAN_STRETCH = 2; // 0x2
		field public static final android.widget.GridLayout.Alignment CENTER;
		field public static final android.widget.GridLayout.Alignment FILL;
		field public static final android.widget.GridLayout.Spec FIXED;
		field public static final int HORIZONTAL = 0; // 0x0
		field public static final android.widget.GridLayout.Alignment LEFT;
		field public static final android.widget.GridLayout.Alignment RIGHT;
		@@ -24973,6 +24971,7 @@ package android.widget {
		ctor public GridLayout.Group(int, int, android.widget.GridLayout.Alignment);
		ctor public GridLayout.Group(int, android.widget.GridLayout.Alignment);
		field public final android.widget.GridLayout.Alignment alignment;
		field public int flexibility;
		}

		public static class GridLayout.LayoutParams extends android.view.ViewGroup.MarginLayoutParams {
		@@ -24984,13 +24983,7 @@ package android.widget {
		ctor public GridLayout.LayoutParams(android.content.Context, android.util.AttributeSet);
		method public void setGravity(int);
		field public android.widget.GridLayout.Group columnGroup;
		field public android.widget.GridLayout.Spec heightSpec;
		field public android.widget.GridLayout.Group rowGroup;
		field public android.widget.GridLayout.Spec widthSpec;
		}

		public static abstract class GridLayout.Spec {
		ctor public GridLayout.Spec();
		}

		public class GridView extends android.widget.AbsListView {

core/java/android/widget/GridLayout.java

+104 −78

Original line number	Diff line number	Diff line
		@@ -92,10 +92,8 @@ import static java.lang.Math.min;
		*
		* <h4>Excess Space Distribution</h4>
		*
		* Like {@link LinearLayout}, a child's ability to stretch is controlled
		* using <em>weights</em>, which are specified using the
		* {@link GridLayout.LayoutParams#widthSpec widthSpec} and
		* {@link GridLayout.LayoutParams#heightSpec heightSpec} layout parameters.
		* A child's ability to stretch is controlled using the {@link Group#flexibility flexibility}
		* properties of its row and column groups.
		* <p>
		* <p>
		* See {@link GridLayout.LayoutParams} for a full description of the
		@@ -1055,7 +1053,7 @@ public class GridLayout extends ViewGroup {
		if (isGone(c)) continue;
		LayoutParams lp = getLayoutParams(c);
		Group g = horizontal ? lp.columnGroup : lp.rowGroup;
		groupBounds.getValue(i).include(c, g, GridLayout.this, this, lp);
		groupBounds.getValue(i).include(c, g, GridLayout.this, this);
		}
		}

		@@ -1087,13 +1085,17 @@ public class GridLayout extends ViewGroup {
		spans[i].reset();
		}

		// use getter to trigger a re-evaluation
		// Use getter to trigger a re-evaluation
		Bounds[] bounds = getGroupBounds().values;
		for (int i = 0; i < bounds.length; i++) {
		int size = bounds[i].size(min);
		int value = min ? size : -size;
		MutableInt valueHolder = links.getValue(i);
		valueHolder.value = max(valueHolder.value, value);
		if (min) {
		valueHolder.value = max(valueHolder.value, size);
		}
		else {
		valueHolder.value = -max(-valueHolder.value, size);
		}
		}
		}

		@@ -1622,16 +1624,14 @@ public class GridLayout extends ViewGroup {
		* <li>{@link #rowGroup}{@code .alignment} = {@link #BASELINE} </li>
		* <li>{@link #columnGroup}{@code .span} = {@code [0, 1]} </li>
		* <li>{@link #columnGroup}{@code .alignment} = {@link #LEFT} </li>
		* <li>{@link #widthSpec} = {@link #FIXED} </li>
		* <li>{@link #heightSpec} = {@link #FIXED} </li>
		* </ul>
		*
		* @attr ref android.R.styleable#GridLayout_Layout_layout_row
		* @attr ref android.R.styleable#GridLayout_Layout_layout_rowSpan
		* @attr ref android.R.styleable#GridLayout_Layout_layout_heightSpec
		* @attr ref android.R.styleable#GridLayout_Layout_layout_rowFlexibility
		* @attr ref android.R.styleable#GridLayout_Layout_layout_column
		* @attr ref android.R.styleable#GridLayout_Layout_layout_columnSpan
		* @attr ref android.R.styleable#GridLayout_Layout_layout_widthSpec
		* @attr ref android.R.styleable#GridLayout_Layout_layout_columnFlexibility
		* @attr ref android.R.styleable#GridLayout_Layout_layout_gravity
		*/
		public static class LayoutParams extends MarginLayoutParams {
		@@ -1647,19 +1647,12 @@ public class GridLayout extends ViewGroup {
		private static final int DEFAULT_SPAN_SIZE = DEFAULT_SPAN.size();
		private static final Alignment DEFAULT_COLUMN_ALIGNMENT = LEFT;
		private static final Alignment DEFAULT_ROW_ALIGNMENT = BASELINE;
		private static final Group DEFAULT_COLUMN_GROUP =
		new Group(DEFAULT_SPAN, DEFAULT_COLUMN_ALIGNMENT);
		private static final Group DEFAULT_ROW_GROUP =
		new Group(DEFAULT_SPAN, DEFAULT_ROW_ALIGNMENT);
		private static final Spec DEFAULT_SPEC = FIXED;
		private static final int DEFAULT_SPEC_INDEX = 0;

		// Misc

		private static final Rect CONTAINER_BOUNDS = new Rect(0, 0, 2, 2);
		private static final Alignment[] COLUMN_ALIGNMENTS = { LEFT, CENTER, RIGHT };
		private static final Alignment[] ROW_ALIGNMENTS = { TOP, CENTER, BOTTOM };
		private static final Spec[] SPECS = { FIXED, CAN_SHRINK, CAN_STRETCH };

		// TypedArray indices

		@@ -1672,10 +1665,14 @@ public class GridLayout extends ViewGroup {

		private static final int COLUMN = styleable.GridLayout_Layout_layout_column;
		private static final int COLUMN_SPAN = styleable.GridLayout_Layout_layout_columnSpan;
		private static final int WIDTH_SPEC = styleable.GridLayout_Layout_layout_widthSpec;
		private static final int COLUMN_FLEXIBILITY =
		styleable.GridLayout_Layout_layout_columnFlexibility;

		private static final int ROW = styleable.GridLayout_Layout_layout_row;
		private static final int ROW_SPAN = styleable.GridLayout_Layout_layout_rowSpan;
		private static final int HEIGHT_SPEC = styleable.GridLayout_Layout_layout_heightSpec;
		private static final int ROW_FLEXIBILITY =
		styleable.GridLayout_Layout_layout_rowFlexibility;

		private static final int GRAVITY = styleable.GridLayout_Layout_layout_gravity;

		// Instance variables
		@@ -1690,30 +1687,17 @@ public class GridLayout extends ViewGroup {
		* described by these layout parameters.
		*/
		public Group columnGroup;
		/**
		* The proportional space that should be taken by the associated column group
		* during excess space distribution.
		*/
		public Spec widthSpec;
		/**
		* The proportional space that should be taken by the associated row group
		* during excess space distribution.
		*/
		public Spec heightSpec;

		// Constructors

		private LayoutParams(
		int width, int height,
		int left, int top, int right, int bottom,
		Group rowGroup, Group columnGroup,
		Spec widthSpec, Spec heightSpec) {
		Group rowGroup, Group columnGroup) {
		super(width, height);
		setMargins(left, top, right, bottom);
		this.rowGroup = rowGroup;
		this.columnGroup = columnGroup;
		this.heightSpec = heightSpec;
		this.widthSpec = widthSpec;
		}

		/**
		@@ -1727,14 +1711,15 @@ public class GridLayout extends ViewGroup {
		public LayoutParams(Group rowGroup, Group columnGroup) {
		this(DEFAULT_WIDTH, DEFAULT_HEIGHT,
		DEFAULT_MARGIN, DEFAULT_MARGIN, DEFAULT_MARGIN, DEFAULT_MARGIN,
		rowGroup, columnGroup, DEFAULT_SPEC, DEFAULT_SPEC);
		rowGroup, columnGroup);
		}

		/**
		* Constructs a new LayoutParams with default values as defined in {@link LayoutParams}.
		*/
		public LayoutParams() {
		this(DEFAULT_ROW_GROUP, DEFAULT_COLUMN_GROUP);
		this(new Group(DEFAULT_SPAN, DEFAULT_ROW_ALIGNMENT),
		new Group(DEFAULT_SPAN, DEFAULT_COLUMN_ALIGNMENT));
		}

		// Copying constructors
		@@ -1758,10 +1743,8 @@ public class GridLayout extends ViewGroup {
		*/
		public LayoutParams(LayoutParams that) {
		super(that);
		this.columnGroup = that.columnGroup;
		this.rowGroup = that.rowGroup;
		this.widthSpec = that.widthSpec;
		this.heightSpec = that.heightSpec;
		this.columnGroup = new Group(that.columnGroup);
		this.rowGroup = new Group(that.rowGroup);
		}

		// AttributeSet constructors
		@@ -1825,7 +1808,7 @@ public class GridLayout extends ViewGroup {

		// Gravity. For conversion from the static the integers defined in the Gravity class,
		// use Gravity.apply() to apply gravity to a view of zero size and see where it ends up.
		private static Alignment getColumnAlignment(int gravity, int width) {
		private static Alignment getColAlignment(int gravity, int width) {
		Rect r = new Rect(0, 0, 0, 0);
		Gravity.apply(gravity, 0, 0, CONTAINER_BOUNDS, r);

		@@ -1853,14 +1836,14 @@ public class GridLayout extends ViewGroup {
		int column = a.getInt(COLUMN, DEFAULT_COLUMN);
		int columnSpan = a.getInt(COLUMN_SPAN, DEFAULT_SPAN_SIZE);
		Interval hSpan = new Interval(column, column + columnSpan);
		this.columnGroup = new Group(hSpan, getColumnAlignment(gravity, width));
		this.widthSpec = SPECS[a.getInt(WIDTH_SPEC, DEFAULT_SPEC_INDEX)];
		int hFlexibility = a.getInt(COLUMN_FLEXIBILITY, Group.DEFAULT_FLEXIBILITY);
		this.columnGroup = new Group(hSpan, getColAlignment(gravity, width), hFlexibility);

		int row = a.getInt(ROW, DEFAULT_ROW);
		int rowSpan = a.getInt(ROW_SPAN, DEFAULT_SPAN_SIZE);
		Interval vSpan = new Interval(row, row + rowSpan);
		this.rowGroup = new Group(vSpan, getRowAlignment(gravity, height));
		this.heightSpec = SPECS[a.getInt(HEIGHT_SPEC, DEFAULT_SPEC_INDEX)];
		int vFlexibility = a.getInt(ROW_FLEXIBILITY, Group.DEFAULT_FLEXIBILITY);
		this.rowGroup = new Group(vSpan, getRowAlignment(gravity, height), vFlexibility);
		} finally {
		a.recycle();
		}
		@@ -1875,7 +1858,7 @@ public class GridLayout extends ViewGroup {
		* @attr ref android.R.styleable#GridLayout_Layout_layout_gravity
		*/
		public void setGravity(int gravity) {
		columnGroup = columnGroup.copyWriteAlignment(getColumnAlignment(gravity, width));
		columnGroup = columnGroup.copyWriteAlignment(getColAlignment(gravity, width));
		rowGroup = rowGroup.copyWriteAlignment(getRowAlignment(gravity, height));
		}

		@@ -2051,7 +2034,7 @@ public class GridLayout extends ViewGroup {

		public int before;
		public int after;
		public boolean canStretch;
		public int flexibility;

		private Bounds() {
		reset();
		@@ -2060,7 +2043,7 @@ public class GridLayout extends ViewGroup {
		protected void reset() {
		before = Integer.MIN_VALUE;
		after = Integer.MIN_VALUE;
		canStretch = false;
		flexibility = UNDEFINED_FLEXIBILITY;
		}

		protected void include(int before, int after) {
		@@ -2069,9 +2052,14 @@ public class GridLayout extends ViewGroup {
		}

		protected int size(boolean min) {
		if (!min && canStretch) {
		if (!min) {
		// Note in the usual case, components don't define anything
		// leaving their flexibility is undefined and their stretchability
		// defined as if the CAN_STRETCH flag was false.
		if (canStretch(flexibility) && !isUndefined(flexibility)) {
		return MAX_SIZE;
		}
		}
		return before + after;
		}

		@@ -2079,14 +2067,11 @@ public class GridLayout extends ViewGroup {
		return before - alignment.getAlignmentValue(c, size);
		}

		protected void include(View c, Group g, GridLayout gridLayout, Axis axis, LayoutParams lp) {
		Spec spec = axis.horizontal ? lp.widthSpec : lp.heightSpec;
		if (spec == CAN_STRETCH) {
		canStretch = true;
		}
		protected void include(View c, Group group, GridLayout gridLayout, Axis axis) {
		this.flexibility &= group.flexibility;
		int size = gridLayout.getMeasurementIncludingMargin(c, axis.horizontal);
		// todo test this works correctly when the returned value is UNDEFINED
		int before = g.alignment.getAlignmentValue(c, size);
		int before = group.alignment.getAlignmentValue(c, size);
		include(before, size - before);
		}

		@@ -2198,6 +2183,8 @@ public class GridLayout extends ViewGroup {
		* {@code span} and {@code alignment}.
		*/
		public static class Group {
		private static final int DEFAULT_FLEXIBILITY = UNDEFINED_FLEXIBILITY;

		private static final Group GONE = new Group(Interval.GONE, Alignment.GONE);

		/**
		@@ -2215,6 +2202,18 @@ public class GridLayout extends ViewGroup {
		*/
		public final Alignment alignment;

		/**
		* The flexibility field tells GridLayout how to derive minimum and maximum size
		* values for a component. Specifications are made with respect to a child's
		* 'measured size'. A child's measured size is, in turn, controlled by its
		* height and width layout parameters which either specify a size or, in
		* the case of {@link LayoutParams#WRAP_CONTENT WRAP_CONTENT}, defer to
		* the computed size of the component.
		*
		* @see GridLayout#CAN_STRETCH
		*/
		public int flexibility = DEFAULT_FLEXIBILITY;

		/**
		* Construct a new Group, {@code group}, where:
		* <ul>
		@@ -2225,9 +2224,22 @@ public class GridLayout extends ViewGroup {
		* @param span the span
		* @param alignment the alignment
		*/
		Group(Interval span, Alignment alignment) {
		private Group(Interval span, Alignment alignment) {
		this.span = span;
		this.alignment = alignment;
		}

		private Group(Interval span, Alignment alignment, int flexibility) {
		this.span = span;
		this.alignment = alignment;
		this.flexibility = flexibility;
		}

		/* Copying constructor */
		private Group(Group that) {
		this.span = that.span;
		this.alignment = that.alignment;
		this.flexibility = that.flexibility;
		}

		/**
		@@ -2260,11 +2272,11 @@ public class GridLayout extends ViewGroup {
		}

		private Group copyWriteSpan(Interval span) {
		return new Group(span, alignment);
		return new Group(span, alignment, flexibility);
		}

		private Group copyWriteAlignment(Alignment alignment) {
		return new Group(span, alignment);
		return new Group(span, alignment, flexibility);
		}

		/**
		@@ -2490,40 +2502,54 @@ public class GridLayout extends ViewGroup {
		}
		};

		/**
		* Spec's tell GridLayout how to derive minimum and maximum size values for a
		* component. Specifications are made with respect to a child's 'measured size'.
		* A child's measured size is, in turn, controlled by its height and width
		* layout parameters which either specify a size or, in the case of
		* WRAP_CONTENT, defer to the computed size of the component.
		*/
		public static abstract class Spec {
		private static boolean canStretch(int flexibility) {
		return (flexibility & CAN_STRETCH) != 0;
		}

		private static boolean isUndefined(int flexibility) {
		return (flexibility & UNDEFINED) != 0;
		}

		/**
		* Indicates that a view requests precisely the size specified by its layout parameters.
		*
		* @see Spec
		* @see Group#flexibility
		*
		* @hide
		*/
		public static final Spec FIXED = new Spec() {
		};
		public static final int FIXED = 0;

		/**
		* Indicates that a view's size should lie between its minimum and the size specified by
		* its layout parameters.
		*
		* @see Spec
		* @see Group#flexibility
		*
		* @hide
		*/
		public static final Spec CAN_SHRINK = new Spec() {
		};
		public static final int CAN_SHRINK = 1;

		/**
		* Indicates that a view's size should be greater than or equal to the size specified by
		* its layout parameters.
		*
		* @see Spec
		* @see Group#flexibility
		*/
		public static final Spec CAN_STRETCH = new Spec() {
		};
		public static final int CAN_STRETCH = 2;

		/**
		* Indicates that a view will ignore its measurement, and can take any size that is greater
		* than its minimum.
		*
		* @see Group#flexibility
		*/
		private static final int CAN_SHRINK_OR_STRETCH = CAN_SHRINK \| CAN_STRETCH;

		/**
		* A default value for flexibility.
		*
		* @see Group#flexibility
		*/
		private static final int UNDEFINED_FLEXIBILITY = UNDEFINED \| CAN_SHRINK \| CAN_STRETCH;

		}

core/res/res/layout/keyguard_screen_password_landscape.xml

+8 −9

Original line number	Diff line number	Diff line
		@@ -24,15 +24,13 @@
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:orientation="vertical"
		android:rowCount="11"
		android:rowCount="10"
		android:id="@+id/root"
		android:clipChildren="false">

		<!-- Column 0 -->
		<Space android:height="20dip"/>

		<com.android.internal.widget.DigitalClock android:id="@+id/time"
		android:layout_marginTop="16dip"
		android:layout_marginTop="8dip"
		android:layout_marginBottom="8dip"
		android:layout_gravity="right">

		@@ -120,7 +118,10 @@
		android:layout_gravity="right"
		/>

		<Space android:height="20dip"/>
		<Space
		android:layout_rowFlexibility="canStretch"
		android:layout_columnFlexibility="canStretch"
		/>

		<TextView
		android:id="@+id/carrier"
		@@ -156,15 +157,13 @@
		/>

		<!-- Column 1 -->
		<Space android:layout_widthSpec="canStretch" android:layout_rowSpan="11" />
		<Space android:layout_width="32dip" android:layout_rowSpan="10" />

		<!-- Column 2 - password entry field and PIN keyboard -->
		<LinearLayout
		android:layout_height="wrap_content"
		android:layout_width="wrap_content"
		android:orientation="vertical"
		android:layout_gravity="center\|fill"
		android:layout_rowSpan="11">
		android:layout_rowSpan="10">

		<EditText android:id="@+id/passwordEntry"
		android:layout_height="wrap_content"

core/res/res/layout/keyguard_screen_tab_unlock_land.xml

+9 −11

Original line number	Diff line number	Diff line
		@@ -24,15 +24,13 @@
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:orientation="vertical"
		android:rowCount="10"
		android:rowCount="8"
		android:id="@+id/root"
		android:clipChildren="false">

		<!-- Column 0 -->
		<Space android:height="20dip"/>

		<com.android.internal.widget.DigitalClock android:id="@+id/time"
		android:layout_marginTop="16dip"
		android:layout_marginTop="8dip"
		android:layout_marginBottom="8dip"
		android:layout_gravity="right">

		@@ -120,7 +118,10 @@
		android:layout_gravity="right"
		/>

		<Space android:height="20dip"/>
		<Space
		android:layout_rowFlexibility="canStretch"
		android:layout_columnFlexibility="canStretch"
		/>

		<LinearLayout android:orientation="vertical"
		android:layout_gravity="right"
		@@ -169,17 +170,14 @@
		</LinearLayout>

		<!-- Column 1 -->
		<Space
		android:width="20dip"
		android:layout_heightSpec="canStretch"
		android:layout_rowSpan="10" />
		<Space android:layout_width="32dip" android:layout_rowSpan="8" />

		<!-- Column 2 -->
		<com.android.internal.widget.multiwaveview.MultiWaveView
		android:id="@+id/unlock_widget"
		android:layout_width="300dip"
		android:layout_width="200dip"
		android:layout_height="match_parent"
		android:layout_rowSpan="10"
		android:layout_rowSpan="8"

		android:targetDrawables="@array/lockscreen_targets_when_silent"
		android:handleDrawable="@drawable/ic_lockscreen_handle"

core/res/res/layout/keyguard_screen_unlock_landscape.xml

+2 −14

Original line number	Diff line number	Diff line
		@@ -30,8 +30,6 @@

		<!-- Column 0: Time, date and status -->
		<com.android.internal.widget.DigitalClock android:id="@+id/time"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:layout_marginTop="8dip"
		android:layout_marginBottom="12dip"
		android:layout_gravity="right">
		@@ -66,8 +64,6 @@

		<TextView
		android:id="@+id/date"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:singleLine="true"
		android:ellipsize="marquee"
		android:textAppearance="?android:attr/textAppearanceMedium"
		@@ -77,8 +73,6 @@

		<TextView
		android:id="@+id/alarm_status"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:singleLine="true"
		android:ellipsize="marquee"
		android:textAppearance="?android:attr/textAppearanceMedium"
		@@ -89,8 +83,6 @@

		<TextView
		android:id="@+id/status1"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:singleLine="true"
		android:ellipsize="marquee"
		android:textAppearance="?android:attr/textAppearanceMedium"
		@@ -100,10 +92,8 @@

		<!-- TODO: remove hard coded height since layout_rowWeight doesn't seem to be working -->
		<Space
		android:layout_height="43dip"
		android:layout_gravity="fill"
		android:layout_heightSpec="canStretch"
		android:layout_widthSpec="canStretch"
		android:layout_rowFlexibility="canStretch"
		android:layout_columnFlexibility="canStretch"
		/>

		<TextView android:id="@+id/carrier"
		@@ -117,8 +107,6 @@
		<LinearLayout
		style="?android:attr/buttonBarStyle"
		android:orientation="vertical"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:layout_gravity="right">

		<Button android:id="@+id/emergencyCallButton"