diff options
-rw-r--r-- | api/current.txt | 84 | ||||
-rw-r--r-- | core/java/android/widget/GridLayout.java | 355 | ||||
-rwxr-xr-x | core/res/res/values/attrs.xml | 16 | ||||
-rw-r--r-- | core/res/res/values/public.xml | 2 | ||||
-rw-r--r-- | tests/GridLayoutTest/src/com/android/test/layout/Activity2.java | 72 |
5 files changed, 219 insertions, 310 deletions
diff --git a/api/current.txt b/api/current.txt index c6775bf..11e38a5 100644 --- a/api/current.txt +++ b/api/current.txt @@ -184,19 +184,19 @@ package android { public static final class R.attr { ctor public R.attr(); field public static final int absListViewStyle = 16842858; // 0x101006a - field public static final int accessibilityEventTypes = 16843646; // 0x101037e - field public static final int accessibilityFeedbackType = 16843648; // 0x1010380 - field public static final int accessibilityFlags = 16843650; // 0x1010382 + field public static final int accessibilityEventTypes = 16843644; // 0x101037c + field public static final int accessibilityFeedbackType = 16843646; // 0x101037e + field public static final int accessibilityFlags = 16843648; // 0x1010380 field public static final int accountPreferences = 16843423; // 0x101029f field public static final int accountType = 16843407; // 0x101028f field public static final int action = 16842797; // 0x101002d field public static final int actionBarSize = 16843499; // 0x10102eb - field public static final int actionBarSplitStyle = 16843668; // 0x1010394 + field public static final int actionBarSplitStyle = 16843666; // 0x1010392 field public static final int actionBarStyle = 16843470; // 0x10102ce field public static final int actionBarTabBarStyle = 16843508; // 0x10102f4 field public static final int actionBarTabStyle = 16843507; // 0x10102f3 field public static final int actionBarTabTextStyle = 16843509; // 0x10102f5 - field public static final int actionBarWidgetTheme = 16843683; // 0x10103a3 + field public static final int actionBarWidgetTheme = 16843681; // 0x10103a1 field public static final int actionButtonStyle = 16843480; // 0x10102d8 field public static final int actionDropDownStyle = 16843479; // 0x10102d7 field public static final int actionLayout = 16843515; // 0x10102fb @@ -208,10 +208,10 @@ package android { field public static final int actionModeCopyDrawable = 16843538; // 0x1010312 field public static final int actionModeCutDrawable = 16843537; // 0x1010311 field public static final int actionModePasteDrawable = 16843539; // 0x1010313 - field public static final int actionModeSelectAllDrawable = 16843644; // 0x101037c - field public static final int actionModeStyle = 16843680; // 0x10103a0 + field public static final int actionModeSelectAllDrawable = 16843642; // 0x101037a + field public static final int actionModeStyle = 16843678; // 0x101039e field public static final int actionOverflowButtonStyle = 16843510; // 0x10102f6 - field public static final int actionProviderClass = 16843669; // 0x1010395 + field public static final int actionProviderClass = 16843667; // 0x1010393 field public static final int actionViewClass = 16843516; // 0x10102fc field public static final int activatedBackgroundIndicator = 16843517; // 0x10102fd field public static final int activityCloseEnterAnimation = 16842938; // 0x10100ba @@ -257,8 +257,8 @@ package android { field public static final int background = 16842964; // 0x10100d4 field public static final int backgroundDimAmount = 16842802; // 0x1010032 field public static final int backgroundDimEnabled = 16843295; // 0x101021f - field public static final int backgroundSplit = 16843671; // 0x1010397 - field public static final int backgroundStacked = 16843670; // 0x1010396 + field public static final int backgroundSplit = 16843669; // 0x1010395 + field public static final int backgroundStacked = 16843668; // 0x1010394 field public static final int backupAgent = 16843391; // 0x101027f field public static final int baseline = 16843548; // 0x101031c field public static final int baselineAlignBottom = 16843042; // 0x1010122 @@ -267,7 +267,7 @@ package android { field public static final int borderlessButtonStyle = 16843563; // 0x101032b field public static final int bottom = 16843184; // 0x10101b0 field public static final int bottomBright = 16842957; // 0x10100cd - field public static final int bottomChevronDrawable = 16843657; // 0x1010389 + field public static final int bottomChevronDrawable = 16843655; // 0x1010387 field public static final int bottomDark = 16842953; // 0x10100c9 field public static final int bottomLeftRadius = 16843179; // 0x10101ab field public static final int bottomMedium = 16842958; // 0x10100ce @@ -286,7 +286,7 @@ package android { field public static final int cacheColorHint = 16843009; // 0x1010101 field public static final int calendarViewShown = 16843596; // 0x101034c field public static final int calendarViewStyle = 16843613; // 0x101035d - field public static final int canRetrieveWindowContent = 16843651; // 0x1010383 + field public static final int canRetrieveWindowContent = 16843649; // 0x1010381 field public static final int candidatesTextStyleSpans = 16843312; // 0x1010230 field public static final deprecated int capitalize = 16843113; // 0x1010169 field public static final int centerBright = 16842956; // 0x10100cc @@ -315,15 +315,15 @@ package android { field public static final int codes = 16843330; // 0x1010242 field public static final int collapseColumns = 16843083; // 0x101014b field public static final int color = 16843173; // 0x10101a5 - field public static final int colorActivatedHighlight = 16843676; // 0x101039c + field public static final int colorActivatedHighlight = 16843674; // 0x101039a field public static final int colorBackground = 16842801; // 0x1010031 field public static final int colorBackgroundCacheHint = 16843435; // 0x10102ab - field public static final int colorFocusedHighlight = 16843675; // 0x101039b + field public static final int colorFocusedHighlight = 16843673; // 0x1010399 field public static final int colorForeground = 16842800; // 0x1010030 field public static final int colorForegroundInverse = 16843270; // 0x1010206 - field public static final int colorLongPressedHighlight = 16843674; // 0x101039a - field public static final int colorMultiSelectHighlight = 16843677; // 0x101039d - field public static final int colorPressedHighlight = 16843673; // 0x1010399 + field public static final int colorLongPressedHighlight = 16843672; // 0x1010398 + field public static final int colorMultiSelectHighlight = 16843675; // 0x101039b + field public static final int colorPressedHighlight = 16843671; // 0x1010397 field public static final int columnCount = 16843635; // 0x1010373 field public static final int columnDelay = 16843215; // 0x10101cf field public static final int columnOrderPreserved = 16843636; // 0x1010374 @@ -380,11 +380,11 @@ package android { field public static final int drawSelectorOnTop = 16843004; // 0x10100fc field public static final int drawable = 16843161; // 0x1010199 field public static final int drawableBottom = 16843118; // 0x101016e - field public static final int drawableEnd = 16843679; // 0x101039f + field public static final int drawableEnd = 16843677; // 0x101039d field public static final int drawableLeft = 16843119; // 0x101016f field public static final int drawablePadding = 16843121; // 0x1010171 field public static final int drawableRight = 16843120; // 0x1010170 - field public static final int drawableStart = 16843678; // 0x101039e + field public static final int drawableStart = 16843676; // 0x101039c field public static final int drawableTop = 16843117; // 0x101016d field public static final int drawingCacheQuality = 16842984; // 0x10100e8 field public static final int dropDownAnchor = 16843363; // 0x1010263 @@ -441,7 +441,7 @@ package android { field public static final int fastScrollTextColor = 16843609; // 0x1010359 field public static final int fastScrollThumbDrawable = 16843574; // 0x1010336 field public static final int fastScrollTrackDrawable = 16843577; // 0x1010339 - field public static final int feedbackCount = 16843663; // 0x101038f + field public static final int feedbackCount = 16843661; // 0x101038d field public static final int fillAfter = 16843197; // 0x10101bd field public static final int fillBefore = 16843196; // 0x10101bc field public static final int fillEnabled = 16843343; // 0x101024f @@ -494,7 +494,7 @@ package android { field public static final int hand_hour = 16843011; // 0x1010103 field public static final int hand_minute = 16843012; // 0x1010104 field public static final int handle = 16843354; // 0x101025a - field public static final int handleDrawable = 16843653; // 0x1010385 + field public static final int handleDrawable = 16843651; // 0x1010383 field public static final int handleProfiling = 16842786; // 0x1010022 field public static final int hapticFeedbackEnabled = 16843358; // 0x101025e field public static final int hardwareAccelerated = 16843475; // 0x10102d3 @@ -503,12 +503,12 @@ package android { field public static final int headerDividersEnabled = 16843310; // 0x101022e field public static final int height = 16843093; // 0x1010155 field public static final int hint = 16843088; // 0x1010150 - field public static final int hitRadius = 16843660; // 0x101038c + field public static final int hitRadius = 16843658; // 0x101038a field public static final int homeAsUpIndicator = 16843531; // 0x101030b field public static final int homeLayout = 16843549; // 0x101031d field public static final int horizontalDivider = 16843053; // 0x101012d field public static final int horizontalGap = 16843327; // 0x101023f - field public static final int horizontalOffset = 16843665; // 0x1010391 + field public static final int horizontalOffset = 16843663; // 0x101038f field public static final int horizontalScrollViewStyle = 16843603; // 0x1010353 field public static final int horizontalSpacing = 16843028; // 0x1010114 field public static final int host = 16842792; // 0x1010028 @@ -554,7 +554,7 @@ package android { field public static final int installLocation = 16843447; // 0x10102b7 field public static final int interpolator = 16843073; // 0x1010141 field public static final int isAlwaysSyncable = 16843571; // 0x1010333 - field public static final int isAuxiliary = 16843645; // 0x101037d + field public static final int isAuxiliary = 16843643; // 0x101037b field public static final int isDefault = 16843297; // 0x1010221 field public static final int isIndicator = 16843079; // 0x1010147 field public static final int isModifier = 16843334; // 0x1010246 @@ -607,8 +607,7 @@ 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 deprecated int layout_columnFlexibility = 16843643; // 0x101037b - field public static final int layout_columnSpan = 16843642; // 0x101037a + field public static final int layout_columnSpan = 16843641; // 0x1010379 field public static final int layout_gravity = 16842931; // 0x10100b3 field public static final int layout_height = 16842997; // 0x10100f5 field public static final int layout_margin = 16842998; // 0x10100f6 @@ -617,7 +616,6 @@ package android { field public static final int layout_marginRight = 16843001; // 0x10100f9 field public static final int layout_marginTop = 16843000; // 0x10100f8 field public static final int layout_row = 16843639; // 0x1010377 - field public static final deprecated int layout_rowFlexibility = 16843641; // 0x1010379 field public static final int layout_rowSpan = 16843640; // 0x1010378 field public static final int layout_scale = 16843155; // 0x1010193 field public static final int layout_span = 16843085; // 0x101014d @@ -628,7 +626,7 @@ package android { 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 - field public static final int leftChevronDrawable = 16843654; // 0x1010386 + field public static final int leftChevronDrawable = 16843652; // 0x1010384 field public static final int lineSpacingExtra = 16843287; // 0x1010217 field public static final int lineSpacingMultiplier = 16843288; // 0x1010218 field public static final int lines = 16843092; // 0x1010154 @@ -640,8 +638,8 @@ package android { field public static final int listDividerAlertDialog = 16843525; // 0x1010305 field public static final int listPopupWindowStyle = 16843519; // 0x10102ff field public static final int listPreferredItemHeight = 16842829; // 0x101004d - field public static final int listPreferredItemHeightLarge = 16843666; // 0x1010392 - field public static final int listPreferredItemHeightSmall = 16843667; // 0x1010393 + field public static final int listPreferredItemHeightLarge = 16843664; // 0x1010390 + field public static final int listPreferredItemHeightSmall = 16843665; // 0x1010391 field public static final int listSelector = 16843003; // 0x10100fb field public static final int listSeparatorTextViewStyle = 16843272; // 0x1010208 field public static final int listViewStyle = 16842868; // 0x1010074 @@ -672,8 +670,8 @@ package android { field public static final int minHeight = 16843072; // 0x1010140 field public static final int minLevel = 16843185; // 0x10101b1 field public static final int minLines = 16843094; // 0x1010156 - field public static final int minResizeHeight = 16843682; // 0x10103a2 - field public static final int minResizeWidth = 16843681; // 0x10103a1 + field public static final int minResizeHeight = 16843680; // 0x10103a0 + field public static final int minResizeWidth = 16843679; // 0x101039f field public static final int minSdkVersion = 16843276; // 0x101020c field public static final int minWidth = 16843071; // 0x101013f field public static final int mode = 16843134; // 0x101017e @@ -689,7 +687,7 @@ package android { field public static final int nextFocusUp = 16842979; // 0x10100e3 field public static final int noHistory = 16843309; // 0x101022d field public static final int normalScreens = 16843397; // 0x1010285 - field public static final int notificationTimeout = 16843649; // 0x1010381 + field public static final int notificationTimeout = 16843647; // 0x101037f field public static final int numColumns = 16843032; // 0x1010118 field public static final int numStars = 16843076; // 0x1010144 field public static final deprecated int numeric = 16843109; // 0x1010165 @@ -703,11 +701,11 @@ package android { field public static final int orderingFromXml = 16843239; // 0x10101e7 field public static final int orientation = 16842948; // 0x10100c4 field public static final int outAnimation = 16843128; // 0x1010178 - field public static final int outerRadius = 16843659; // 0x101038b + field public static final int outerRadius = 16843657; // 0x1010389 field public static final int overScrollFooter = 16843459; // 0x10102c3 field public static final int overScrollHeader = 16843458; // 0x10102c2 field public static final int overScrollMode = 16843457; // 0x10102c1 - field public static final int packageNames = 16843647; // 0x101037f + field public static final int packageNames = 16843645; // 0x101037d field public static final int padding = 16842965; // 0x10100d5 field public static final int paddingBottom = 16842969; // 0x10100d9 field public static final int paddingLeft = 16842966; // 0x10100d6 @@ -792,7 +790,7 @@ package android { field public static final int restoreAnyVersion = 16843450; // 0x10102ba field public static final deprecated int restoreNeedsApplication = 16843421; // 0x101029d field public static final int right = 16843183; // 0x10101af - field public static final int rightChevronDrawable = 16843655; // 0x1010387 + field public static final int rightChevronDrawable = 16843653; // 0x1010385 field public static final int ringtonePreferenceStyle = 16842899; // 0x1010093 field public static final int ringtoneType = 16843257; // 0x10101f9 field public static final int rotation = 16843558; // 0x1010326 @@ -868,7 +866,7 @@ package android { field public static final int smallIcon = 16843422; // 0x101029e field public static final int smallScreens = 16843396; // 0x1010284 field public static final int smoothScrollbar = 16843313; // 0x1010231 - field public static final int snapMargin = 16843662; // 0x101038e + field public static final int snapMargin = 16843660; // 0x101038c field public static final int soundEffectsEnabled = 16843285; // 0x1010215 field public static final int spacing = 16843027; // 0x1010113 field public static final int spinnerDropDownItemStyle = 16842887; // 0x1010087 @@ -933,7 +931,7 @@ package android { field public static final int tag = 16842961; // 0x10100d1 field public static final int targetActivity = 16843266; // 0x1010202 field public static final int targetClass = 16842799; // 0x101002f - field public static final int targetDrawables = 16843652; // 0x1010384 + field public static final int targetDrawables = 16843650; // 0x1010382 field public static final int targetPackage = 16842785; // 0x1010021 field public static final int targetSdkVersion = 16843376; // 0x1010270 field public static final int taskAffinity = 16842770; // 0x1010012 @@ -948,7 +946,7 @@ package android { field public static final int tension = 16843370; // 0x101026a field public static final int testOnly = 16843378; // 0x1010272 field public static final int text = 16843087; // 0x101014f - field public static final int textAllCaps = 16843672; // 0x1010398 + field public static final int textAllCaps = 16843670; // 0x1010396 field public static final int textAppearance = 16842804; // 0x1010034 field public static final int textAppearanceButton = 16843271; // 0x1010207 field public static final int textAppearanceInverse = 16842805; // 0x1010035 @@ -1022,7 +1020,7 @@ package android { field public static final int toYScale = 16843205; // 0x10101c5 field public static final int top = 16843182; // 0x10101ae field public static final int topBright = 16842955; // 0x10100cb - field public static final int topChevronDrawable = 16843656; // 0x1010388 + field public static final int topChevronDrawable = 16843654; // 0x1010386 field public static final int topDark = 16842951; // 0x10100c7 field public static final int topLeftRadius = 16843177; // 0x10101a9 field public static final int topOffset = 16843352; // 0x1010258 @@ -1052,10 +1050,10 @@ package android { field public static final int verticalCorrection = 16843322; // 0x101023a field public static final int verticalDivider = 16843054; // 0x101012e field public static final int verticalGap = 16843328; // 0x1010240 - field public static final int verticalOffset = 16843664; // 0x1010390 + field public static final int verticalOffset = 16843662; // 0x101038e field public static final int verticalScrollbarPosition = 16843572; // 0x1010334 field public static final int verticalSpacing = 16843029; // 0x1010115 - field public static final int vibrationDuration = 16843661; // 0x101038d + field public static final int vibrationDuration = 16843659; // 0x101038b field public static final int visibility = 16842972; // 0x10100dc field public static final int visible = 16843156; // 0x1010194 field public static final int vmSafeMode = 16843448; // 0x10102b8 @@ -1072,7 +1070,7 @@ package android { field public static final int wallpaperIntraOpenExitAnimation = 16843416; // 0x1010298 field public static final int wallpaperOpenEnterAnimation = 16843411; // 0x1010293 field public static final int wallpaperOpenExitAnimation = 16843412; // 0x1010294 - field public static final int waveDrawable = 16843658; // 0x101038a + field public static final int waveDrawable = 16843656; // 0x1010388 field public static final int webTextViewStyle = 16843449; // 0x10102b9 field public static final int webViewStyle = 16842885; // 0x1010085 field public static final int weekDayTextAppearance = 16843592; // 0x1010348 diff --git a/core/java/android/widget/GridLayout.java b/core/java/android/widget/GridLayout.java index f999960..f354c6e 100644 --- a/core/java/android/widget/GridLayout.java +++ b/core/java/android/widget/GridLayout.java @@ -32,12 +32,13 @@ import com.android.internal.R; import java.lang.reflect.Array; import java.util.ArrayList; import java.util.Arrays; -import java.util.Collection; import java.util.HashMap; import java.util.List; import java.util.Map; import static android.view.Gravity.*; +import static android.view.View.MeasureSpec.EXACTLY; +import static android.view.View.MeasureSpec.makeMeasureSpec; import static java.lang.Math.max; import static java.lang.Math.min; @@ -92,8 +93,21 @@ import static java.lang.Math.min; * * <h4>Excess Space Distribution</h4> * - * A child's ability to stretch is controlled using the flexibility - * properties of its row and column groups. + * A child's ability to stretch is inferred from the alignment properties of + * its row and column groups (which are typically set by setting the + * {@link LayoutParams#setGravity(int) gravity} property of the child's layout parameters). + * If alignment was defined along a given axis then the component + * is taken as flexible in along that axis. If no alignment was set, + * the component is instead assumed to be inflexible. Multiple components in + * the same row or column group are considered to act in <em>parallel</em>. Such a + * group is flexible only if <em>all</em> of the components + * within it are flexible. Row and column groups that sit either side of a common boundary + * are instead considered to act in <em>series</em>. The composite group made of these two + * elements is flexible if <em>one</em> of its elements is flexible. + * <p> + * To make a column stretch, make sure all of the components inside it define a + * gravity. To prevent a column from stretching, ensure that one of the components + * in the column does not define a gravity. * <p> * <p> * See {@link GridLayout.LayoutParams} for a full description of the @@ -175,7 +189,7 @@ public class GridLayout extends ViewGroup { private static final int DEFAULT_ORIENTATION = HORIZONTAL; private static final int DEFAULT_COUNT = UNDEFINED; private static final boolean DEFAULT_USE_DEFAULT_MARGINS = false; - private static final boolean DEFAULT_ORDER_PRESERVED = false; + private static final boolean DEFAULT_ORDER_PRESERVED = true; private static final int DEFAULT_ALIGNMENT_MODE = ALIGN_MARGINS; private static final int DEFAULT_CONTAINER_MARGIN = 0; private static final int MAX_SIZE = 100000; @@ -198,8 +212,6 @@ public class GridLayout extends ViewGroup { private int mOrientation = DEFAULT_ORIENTATION; private boolean mUseDefaultMargins = DEFAULT_USE_DEFAULT_MARGINS; private int mAlignmentMode = DEFAULT_ALIGNMENT_MODE; - private Alignment mColumnAlignment = LEFT; - private Alignment mRowAlignment = BASELINE; private int mDefaultGap; // Constructors @@ -440,22 +452,13 @@ public class GridLayout extends ViewGroup { } /** - * When this property is {@code false}, the default state, GridLayout - * is at liberty to choose an order that better suits the heights of its children. - <p> * When this property is {@code true}, GridLayout is forced to place the row boundaries * so that their associated grid indices are in ascending order in the view. * <p> - * GridLayout implements this specification by creating ordering constraints between - * the variables that represent the locations of the row boundaries. - * - * When this property is {@code true}, constraints are added for each pair of consecutive - * indices: i.e. between row boundaries: {@code [0..1], [1..2], [2..3],...} etc. - * - * When the property is {@code false}, the ordering constraints are placed - * only between boundaries that separate opposing edges of the layout's children. + * When this property is {@code false} GridLayout is at liberty to place the vertical row + * boundaries in whatever order best fits the given constraints. * <p> - * The default value of this property is {@code false}. + * The default value of this property is {@code true}. * @param rowOrderPreserved {@code true} to force GridLayout to respect the order * of row boundaries @@ -485,22 +488,13 @@ public class GridLayout extends ViewGroup { } /** - * When this property is {@code false}, the default state, GridLayout - * is at liberty to choose an order that better suits the widths of its children. - <p> * When this property is {@code true}, GridLayout is forced to place the column boundaries * so that their associated grid indices are in ascending order in the view. * <p> - * GridLayout implements this specification by creating ordering constraints between - * the variables that represent the locations of the column boundaries. - * - * When this property is {@code true}, constraints are added for each pair of consecutive - * indices: i.e. between column boundaries: {@code [0..1], [1..2], [2..3],...} etc. - * - * When the property is {@code false}, the ordering constraints are placed - * only between boundaries that separate opposing edges of the layout's children. + * When this property is {@code false} GridLayout is at liberty to place the horizontal column + * boundaries in whatever order best fits the given constraints. * <p> - * The default value of this property is {@code false}. + * The default value of this property is {@code true}. * * @param columnOrderPreserved use {@code true} to force GridLayout to respect the order * of column boundaries. @@ -533,6 +527,7 @@ public class GridLayout extends ViewGroup { return result; } + @SuppressWarnings("unchecked") private static <T> T[] append(T[] a, T[] b) { T[] result = (T[]) Array.newInstance(a.getClass().getComponentType(), a.length + b.length); System.arraycopy(a, 0, result, 0, a.length); @@ -559,6 +554,9 @@ public class GridLayout extends ViewGroup { } private int getDefaultMargin(View c, boolean horizontal, boolean leading) { + if (c.getClass() == Space.class) { + return 0; + } return mDefaultGap / 2; } @@ -594,72 +592,92 @@ public class GridLayout extends ViewGroup { return (value != UNDEFINED) ? value : defaultValue; } - // install default indices for cells that don't define them - private void validateLayoutParams() { - new Object() { - public int maxSize = 0; - - private int valueIfDefined2(int value, int defaultValue) { - if (value != UNDEFINED) { - maxSize = 0; - return value; - } else { - return defaultValue; - } + private static boolean fits(int[] a, int value, int start, int end) { + if (end > a.length) { + return false; + } + for (int i = start; i < end; i++) { + if (a[i] > value) { + return false; } + } + return true; + } - { - final boolean horizontal = (mOrientation == HORIZONTAL); - final int axis = horizontal ? mHorizontalAxis.count : mVerticalAxis.count; - final int count = valueIfDefined(axis, Integer.MAX_VALUE); + private static void procrusteanFill(int[] a, int start, int end, int value) { + int length = a.length; + Arrays.fill(a, Math.min(start, length), Math.min(end, length), value); + } - int row = 0; - int col = 0; - for (int i = 0, N = getChildCount(); i < N; i++) { - View c = getChildAt(i); - LayoutParams lp = getLayoutParams1(c); + private static void setCellGroup(LayoutParams lp, int row, int rowSpan, int col, int colSpan) { + lp.setRowSpecSpan(new Interval(row, row + rowSpan)); + lp.setColumnSpecSpan(new Interval(col, col + colSpan)); + } - final Spec colSpec = lp.columnSpec; - final Interval cols = colSpec.span; - final int colSpan = cols.size(); + // Logic to avert infinite loops by ensuring that the cells can be placed somewhere. + private static int clip(Interval minorRange, boolean minorWasDefined, int count) { + int size = minorRange.size(); + if (count == 0) { + return size; + } + int min = minorWasDefined ? min(minorRange.min, count) : 0; + return min(size, count - min); + } - final Spec rowSpec = lp.rowSpec; - final Interval rows = rowSpec.span; - final int rowSpan = rows.size(); + // install default indices for cells that don't define them + private void validateLayoutParams() { + final boolean horizontal = (mOrientation == HORIZONTAL); + final int axisCount = horizontal ? mHorizontalAxis.count : mVerticalAxis.count; + final int count = valueIfDefined(axisCount, 0); - if (horizontal) { - row = valueIfDefined2(rows.min, row); + int major = 0; + int minor = 0; + int[] maxSizes = new int[count]; - int newCol = valueIfDefined(cols.min, (col + colSpan > count) ? 0 : col); - if (newCol < col) { - row += maxSize; - maxSize = 0; - } - col = newCol; - maxSize = max(maxSize, rowSpan); - } else { - col = valueIfDefined2(cols.min, col); - - int newRow = valueIfDefined(rows.min, (row + rowSpan > count) ? 0 : row); - if (newRow < row) { - col += maxSize; - maxSize = 0; + for (int i = 0, N = getChildCount(); i < N; i++) { + LayoutParams lp = getLayoutParams1(getChildAt(i)); + + final Interval majorRange = (horizontal ? lp.rowSpec : lp.columnSpec).span; + final boolean majorWasDefined = (majorRange.min != UNDEFINED); + final int majorSpan = majorRange.size(); + if (majorWasDefined) { + major = majorRange.min; + } + + final Interval minorRange = (horizontal ? lp.columnSpec : lp.rowSpec).span; + final boolean minorWasDefined = (minorRange.min != UNDEFINED); + final int minorSpan = clip(minorRange, minorWasDefined, count); + if (minorWasDefined) { + minor = minorRange.min; + } + + if (count != 0) { + // Find suitable row/col values when at least one is undefined. + if (!majorWasDefined || !minorWasDefined) { + while (!fits(maxSizes, major, minor, minor + minorSpan)) { + if (minorWasDefined) { + major++; + } else { + if (minor + minorSpan <= count) { + minor++; + } else { + minor = 0; + major++; + } } - row = newRow; - maxSize = max(maxSize, colSpan); - } - - lp.setColumnSpecSpan(new Interval(col, col + colSpan)); - lp.setRowSpecSpan(new Interval(row, row + rowSpan)); - - if (horizontal) { - col = col + colSpan; - } else { - row = row + rowSpan; } } + procrusteanFill(maxSizes, minor, minor + minorSpan, major + majorSpan); } - }; + + if (horizontal) { + setCellGroup(lp, major, majorSpan, minor, minorSpan); + } else { + setCellGroup(lp, minor, minorSpan, major, majorSpan); + } + + minor = minor + minorSpan; + } invalidateStructure(); } @@ -667,7 +685,7 @@ public class GridLayout extends ViewGroup { mLayoutParamsValid = false; mHorizontalAxis.invalidateStructure(); mVerticalAxis.invalidateStructure(); - // This can end up being done twice. But better that than not at all. + // This can end up being done twice. Better twice than not at all. invalidateValues(); } @@ -872,7 +890,7 @@ public class GridLayout extends ViewGroup { private Alignment getAlignment(Alignment alignment, boolean horizontal) { return (alignment != UNDEFINED_ALIGNMENT) ? alignment : - (horizontal ? mColumnAlignment : mRowAlignment); + (horizontal ? LEFT : BASELINE); } // Layout container @@ -970,6 +988,9 @@ public class GridLayout extends ViewGroup { int cx = paddingLeft + x1 + dx; int cy = paddingTop + y1 + dy; + if (width != c.getMeasuredWidth() || height != c.getMeasuredHeight()) { + c.measure(makeMeasureSpec(width, EXACTLY), makeMeasureSpec(height, EXACTLY)); + } c.layout(cx, cy, cx + width, cy + height); } } @@ -1237,53 +1258,6 @@ public class GridLayout extends ViewGroup { return topologicalSort(arcs.toArray(new Arc[arcs.size()])); } - private boolean[] findUsed(Collection<Arc> arcs) { - boolean[] result = new boolean[getCount()]; - for (Arc arc : arcs) { - Interval span = arc.span; - int min = min(span.min, span.max); - int max = max(span.min, span.max); - for (int i = min; i < max; i++) { - result[i] = true; - } - } - return result; - } - - // todo unify with findUsed above. Both routines analyze which rows/columns are empty. - private Collection<Interval> getSpacers() { - List<Interval> result = new ArrayList<Interval>(); - int V = getCount() + 1; - int[] leadingEdgeCount = new int[V]; - int[] trailingEdgeCount = new int[V]; - for (int i = 0, N = getChildCount(); i < N; i++) { - View c = getChildAt(i); - if (isGone(c)) continue; - LayoutParams lp = getLayoutParams(c); - Spec spec = horizontal ? lp.columnSpec : lp.rowSpec; - Interval span = spec.span; - leadingEdgeCount[span.min]++; - trailingEdgeCount[span.max]++; - } - - int lastTrailingEdge = 0; - - // treat the parent's edges like peer edges of the opposite type - trailingEdgeCount[0] = 1; - leadingEdgeCount[V - 1] = 1; - - for (int i = 0; i < V; i++) { - if (trailingEdgeCount[i] > 0) { - lastTrailingEdge = i; - continue; // if this is also a leading edge, don't add a space of length zero - } - if (leadingEdgeCount[i] > 0) { - result.add(new Interval(lastTrailingEdge, i)); - } - } - return result; - } - private void addComponentSizes(List<Arc> result, PackedMap<Interval, MutableInt> links) { for (int i = 0; i < links.keys.length; i++) { Interval key = links.keys[i]; @@ -1300,28 +1274,11 @@ public class GridLayout extends ViewGroup { // Add the maximum values from the components. addComponentSizes(maxs, getBackwardLinks()); - // Find redundant rows/cols and glue them together with 0-length arcs to link the tree - boolean[] used = findUsed(mins); - for (int i = 0; i < getCount(); i++) { - if (!used[i]) { - Interval span = new Interval(i, i + 1); - include(mins, span, new MutableInt(0)); - include(maxs, span.inverse(), new MutableInt(0)); - } - } - // Add ordering constraints to prevent row/col sizes from going negative if (mOrderPreserved) { // Add a constraint for every row/col for (int i = 0; i < getCount(); i++) { - if (used[i]) { - include(mins, new Interval(i, i + 1), new MutableInt(0)); - } - } - } else { - // Add a constraint for each row/col that separates opposing component edges - for (Interval gap : getSpacers()) { - include(mins, gap, new MutableInt(0)); + include(mins, new Interval(i, i + 1), new MutableInt(0)); } } @@ -1658,10 +1615,8 @@ public class GridLayout extends ViewGroup { * * @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_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_columnFlexibility * @attr ref android.R.styleable#GridLayout_Layout_layout_gravity */ public static class LayoutParams extends MarginLayoutParams { @@ -1688,13 +1643,9 @@ public class GridLayout extends ViewGroup { private static final int COLUMN = R.styleable.GridLayout_Layout_layout_column; private static final int COLUMN_SPAN = R.styleable.GridLayout_Layout_layout_columnSpan; - private static final int COLUMN_FLEXIBILITY = - R.styleable.GridLayout_Layout_layout_columnFlexibility; private static final int ROW = R.styleable.GridLayout_Layout_layout_row; private static final int ROW_SPAN = R.styleable.GridLayout_Layout_layout_rowSpan; - private static final int ROW_FLEXIBILITY = - R.styleable.GridLayout_Layout_layout_rowFlexibility; private static final int GRAVITY = R.styleable.GridLayout_Layout_layout_gravity; @@ -1816,13 +1767,11 @@ public class GridLayout extends ViewGroup { int column = a.getInt(COLUMN, DEFAULT_COLUMN); int colSpan = a.getInt(COLUMN_SPAN, DEFAULT_SPAN_SIZE); - int hFlexibility = a.getInt(COLUMN_FLEXIBILITY, Spec.UNDEFINED_FLEXIBILITY); - this.columnSpec = spec(column, colSpan, getAlignment(gravity, true), hFlexibility); + this.columnSpec = spec(column, colSpan, getAlignment(gravity, true)); int row = a.getInt(ROW, DEFAULT_ROW); int rowSpan = a.getInt(ROW_SPAN, DEFAULT_SPAN_SIZE); - int vFlexibility = a.getInt(ROW_FLEXIBILITY, Spec.UNDEFINED_FLEXIBILITY); - this.rowSpec = spec(row, rowSpan, getAlignment(gravity, false), vFlexibility); + this.rowSpec = spec(row, rowSpan, getAlignment(gravity, false)); } finally { a.recycle(); } @@ -2150,19 +2099,19 @@ public class GridLayout extends ViewGroup { } } - /** - * A Spec defines the horizontal or vertical characteristics of a group of - * cells. Each spec. defines the <em>grid indices</em>, <em>alignment</em> and - * <em>flexibility</em> along the appropriate axis. - * <p> - * The <em>grid indices</em> are the leading and trailing edges of this cell group. - * See {@link GridLayout} for a description of the conventions used by GridLayout - * for grid indices. - * <p> - * The <em>alignment</em> property specifies how cells should be aligned in this group. - * For row groups, this specifies the vertical alignment. - * For column groups, this specifies the horizontal alignment. - */ + /** + * A Spec defines the horizontal or vertical characteristics of a group of + * cells. Each spec. defines the <em>grid indices</em>, <em>alignment</em> and + * <em>flexibility</em> along the appropriate axis. + * <p> + * The <em>grid indices</em> are the leading and trailing edges of this cell group. + * See {@link GridLayout} for a description of the conventions used by GridLayout + * for grid indices. + * <p> + * The <em>alignment</em> property specifies how cells should be aligned in this group. + * For row groups, this specifies the vertical alignment. + * For column groups, this specifies the horizontal alignment. + */ public static class Spec { private static final int UNDEFINED_FLEXIBILITY = UNDEFINED; @@ -2170,18 +2119,18 @@ public class GridLayout extends ViewGroup { final Alignment alignment; - /** - * The <em>flexibility</em> property 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. - * <p> - * A cell group is flexible only if <em>all</em> of its components are flexible. - * <p> - * By default, flexibility is {@link #INFLEXIBLE} only when alignment/gravity is undefined. - */ + /** + * The <em>flexibility</em> property 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. + * <p> + * A cell group is flexible only if <em>all</em> of its components are flexible. + * <p> + * By default, flexibility is {@link #INFLEXIBLE} only when alignment/gravity is undefined. + */ final int flexibility; private Spec(Interval span, Alignment alignment, int flexibility) { @@ -2190,17 +2139,13 @@ public class GridLayout extends ViewGroup { this.flexibility = flexibility; } - private Spec(Interval span, Alignment alignment) { - this(span, alignment, UNDEFINED_FLEXIBILITY); - } - /* Copying constructor */ private Spec(Spec that) { this(that.span, that.alignment, that.flexibility); } - Spec(int start, int size, Alignment alignment, int flexibility) { - this(new Interval(start, start + size), alignment, flexibility); + private Spec(int start, int size, Alignment alignment) { + this(new Interval(start, start + size), alignment, UNDEFINED); } private Spec copyWriteSpan(Interval span) { @@ -2261,28 +2206,6 @@ public class GridLayout extends ViewGroup { } /** - * @deprecated Please use {@link #spec(int, int, Alignment)} instead, - * all spec's that define alignments (gravity) are assumed to be able to stretch. - * - * @hide - */ - @Deprecated - public static Spec spec(int start, int size, Alignment alignment, int flexibility) { - return new Spec(start, size, alignment, flexibility); - } - - /** - * @deprecated Please use {@link #spec(int, Alignment)} instead, - * all spec's that define alignments (gravity) are assumed to be able to stretch. - * - * @hide - */ - @Deprecated - public static Spec spec(int start, Alignment alignment, int flexibility) { - return spec(start, 1, alignment, flexibility); - } - - /** * Return a Spec, {@code spec}, where: * <ul> * <li> {@code spec.span = [start, start + size]} </li> @@ -2294,7 +2217,7 @@ public class GridLayout extends ViewGroup { * @param alignment the alignment */ public static Spec spec(int start, int size, Alignment alignment) { - return spec(start, size, alignment, Spec.UNDEFINED_FLEXIBILITY); + return new Spec(start, size, alignment); } /** diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml index f80f27d..f70319b 100755 --- a/core/res/res/values/attrs.xml +++ b/core/res/res/values/attrs.xml @@ -2632,12 +2632,12 @@ <attr name="alignmentMode" /> <!-- When set to true, forces row boundaries to appear in the same order as row indices. - The default is false. + The default is true. See {@link android.widget.GridLayout#setRowOrderPreserved(boolean)}.--> <attr name="rowOrderPreserved" format="boolean" /> <!-- When set to true, forces column boundaries to appear in the same order as column indices. - The default is false. + The default is true. See {@link android.widget.GridLayout#setColumnOrderPreserved(boolean)}.--> <attr name="columnOrderPreserved" format="boolean" /> </declare-styleable> @@ -3363,18 +3363,6 @@ The default is LEFT | BASELINE. See {@link android.widget.GridLayout.LayoutParams#setGravity(int)}. --> <attr name="layout_gravity" /> - <!-- {@deprecated To make a column group lexible, ensure that every component in the - group defines a horizontal gravity.} --> - <attr name="layout_columnFlexibility" > - <enum name="inflexible" value="0" /> - <enum name="canStretch" value="2" /> - </attr> - <!-- {@deprecated To make a row group flexible, ensure that every component in the - group defines a vertical gravity.} --> - <attr name="layout_rowFlexibility" > - <enum name="inflexible" value="0" /> - <enum name="canStretch" value="2" /> - </attr> </declare-styleable> <declare-styleable name="FrameLayout_Layout"> <attr name="layout_gravity" /> diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml index 0555d10..87e9249 100644 --- a/core/res/res/values/public.xml +++ b/core/res/res/values/public.xml @@ -1728,10 +1728,8 @@ <public type="attr" name="layout_row" /> <public type="attr" name="layout_rowSpan" /> - <public type="attr" name="layout_rowFlexibility" /> <public type="attr" name="layout_columnSpan" /> - <public type="attr" name="layout_columnFlexibility" /> <public type="attr" name="actionModeSelectAllDrawable" /> diff --git a/tests/GridLayoutTest/src/com/android/test/layout/Activity2.java b/tests/GridLayoutTest/src/com/android/test/layout/Activity2.java index e1871ac..907ee9c 100644 --- a/tests/GridLayoutTest/src/com/android/test/layout/Activity2.java +++ b/tests/GridLayoutTest/src/com/android/test/layout/Activity2.java @@ -34,15 +34,17 @@ import static android.widget.GridLayout.*; public class Activity2 extends Activity { public static View create(Context context) { - GridLayout vg = new GridLayout(context); - vg.setUseDefaultMargins(true); - vg.setAlignmentMode(ALIGN_BOUNDS); + GridLayout p = new GridLayout(context); + p.setUseDefaultMargins(true); + p.setAlignmentMode(ALIGN_BOUNDS); + p.setRowOrderPreserved(false); + p.setPadding(0, 0, 0, 0); Spec row1 = spec(0); Spec row2 = spec(1); Spec row3 = spec(2, BASELINE); Spec row4 = spec(3, BASELINE); - Spec row5 = spec(4, FILL); + Spec row5 = spec(2, 3, FILL); // allow the last two rows to overlap the middle two Spec row6 = spec(5); Spec row7 = spec(6); @@ -55,63 +57,63 @@ public class Activity2 extends Activity { Spec col4b = spec(3, FILL); { - TextView v = new TextView(context); - v.setTextSize(32); - v.setText("Email setup"); - vg.addView(v, new LayoutParams(row1, col1a)); + TextView c = new TextView(context); + c.setTextSize(32); + c.setText("Email setup"); + p.addView(c, new LayoutParams(row1, col1a)); } { - TextView v = new TextView(context); - v.setTextSize(16); - v.setText("You can configure email in just a few steps:"); - vg.addView(v, new LayoutParams(row2, col1b)); + TextView c = new TextView(context); + c.setTextSize(16); + c.setText("You can configure email in just a few steps:"); + p.addView(c, new LayoutParams(row2, col1b)); } { - TextView v = new TextView(context); - v.setText("Email address:"); - vg.addView(v, new LayoutParams(row3, col1c)); + TextView c = new TextView(context); + c.setText("Email address:"); + p.addView(c, new LayoutParams(row3, col1c)); } { - EditText v = new EditText(context); - v.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_EMAIL_ADDRESS); + EditText c = new EditText(context); + c.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_EMAIL_ADDRESS); { LayoutParams lp = new LayoutParams(row3, col2); - lp.width = (int) v.getPaint().measureText("Frederick.W.Flintstone"); - vg.addView(v, lp); + lp.width = (int) c.getPaint().measureText("Frederick.W.Flintstone"); + p.addView(c, lp); } } { - TextView v = new TextView(context); - v.setText("Password:"); - vg.addView(v, new LayoutParams(row4, col1c)); + TextView c = new TextView(context); + c.setText("Password:"); + p.addView(c, new LayoutParams(row4, col1c)); } { - TextView v = new EditText(context); - v.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD); + TextView c = new EditText(context); + c.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD); { LayoutParams lp = new LayoutParams(row4, col2); - lp.width = (int) v.getPaint().measureText("************"); - vg.addView(v, lp); + lp.width = (int) c.getPaint().measureText("************"); + p.addView(c, lp); } } { - Space v = new Space(context); + Space c = new Space(context); LayoutParams lp = new LayoutParams(row5, col3); lp.setMargins(0, 0, 0, 0); - vg.addView(v, lp); + p.addView(c, lp); } { - Button v = new Button(context); - v.setText("Manual setup"); - vg.addView(v, new LayoutParams(row6, col4a)); + Button c = new Button(context); + c.setText("Manual setup"); + p.addView(c, new LayoutParams(row6, col4a)); } { - Button v = new Button(context); - v.setText("Next"); - vg.addView(v, new LayoutParams(row7, col4b)); + Button c = new Button(context); + c.setText("Next"); + p.addView(c, new LayoutParams(row7, col4b)); } - return vg; + return p; } protected void onCreate(Bundle savedInstanceState) { |