/** @see android.view.ViewGroup.MarginLayoutParams#setMarginStart(int) */
public static void setMarginStart(MarginLayoutParams layoutParams, int start) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
layoutParams.setMarginStart(start);
} else {
layoutParams.leftMargin = start;
}
}
public void restoreMarginLayoutParams(MarginLayoutParams params) {
this.restoreLayoutParams(params);
params.leftMargin = this.mPreservedParams.leftMargin;
params.topMargin = this.mPreservedParams.topMargin;
params.rightMargin = this.mPreservedParams.rightMargin;
params.bottomMargin = this.mPreservedParams.bottomMargin;
MarginLayoutParamsCompat.setMarginStart(
params, MarginLayoutParamsCompat.getMarginStart(this.mPreservedParams));
MarginLayoutParamsCompat.setMarginEnd(
params, MarginLayoutParamsCompat.getMarginEnd(this.mPreservedParams));
}
/**
* 设置View的左侧外边距(像素值)
*
* @param view
* @return
*/
public static boolean setMarginLeft(View view, int marginLeft) {
MarginLayoutParams marginParams = null;
try {
marginParams = (MarginLayoutParams) view.getLayoutParams();
} catch (ClassCastException e) {
return false;
}
if (marginParams == null) return false;
marginParams.leftMargin = marginLeft;
view.setLayoutParams(marginParams);
return true;
}
public void show(int touchX, int touchY) {
this.mL = touchX - this.mRegistrationX;
this.mT = touchY - this.mRegistrationY;
this.mR = (touchX - this.mRegistrationX) + this.mWidth;
this.mB = (touchY - this.mRegistrationY) + this.mHeight;
this.mLayout.addView(this);
MarginLayoutParams mp = (MarginLayoutParams) getLayoutParams();
mp.leftMargin = this.mL;
mp.topMargin = this.mT;
mp.rightMargin = this.mR;
mp.bottomMargin = this.mB;
setLayoutParams(mp);
}
/**
* 设置View的外边距(像素值)
*
* @param view
* @param left
* @param top
* @param right
* @param bottom
* @return
*/
public static boolean setMargin(View view, int left, int top, int right, int bottom) {
MarginLayoutParams marginParams = null;
try {
marginParams = (MarginLayoutParams) view.getLayoutParams();
} catch (ClassCastException e) {
return false;
}
if (marginParams == null) return false;
marginParams.leftMargin = left;
marginParams.topMargin = top;
marginParams.rightMargin = right;
marginParams.bottomMargin = bottom;
view.setLayoutParams(marginParams);
return true;
}
private static void resetViewLayoutParams(View view, float scale) {
if (view instanceof TextView) {
resetTextSize((TextView) view, scale);
}
int pLeft = convertFloatToInt(view.getPaddingLeft() * scale);
int pTop = convertFloatToInt(view.getPaddingTop() * scale);
int pRight = convertFloatToInt(view.getPaddingRight() * scale);
int pBottom = convertFloatToInt(view.getPaddingBottom() * scale);
view.setPadding(pLeft, pTop, pRight, pBottom);
LayoutParams params = view.getLayoutParams();
if ("test_relayout".equals(view.getTag())) {
Log.i("relayout", "test_relayout/" + params);
}
if (params == null) {
return;
}
if (params.width > 0) {
params.width = convertFloatToInt(params.width * scale);
}
if (params.height > 0) {
params.height = convertFloatToInt(params.height * scale);
}
if (params instanceof MarginLayoutParams) {
MarginLayoutParams mParams = (MarginLayoutParams) params;
if (mParams.leftMargin > 0) {
mParams.leftMargin = convertFloatToInt(mParams.leftMargin * scale);
}
if (mParams.rightMargin > 0) {
mParams.rightMargin = convertFloatToInt(mParams.rightMargin * scale);
}
if (mParams.topMargin > 0) {
mParams.topMargin = convertFloatToInt(mParams.topMargin * scale);
}
if (mParams.bottomMargin > 0) {
mParams.bottomMargin = convertFloatToInt(mParams.bottomMargin * scale);
}
}
}
public void fillMarginLayoutParams(MarginLayoutParams params, int widthHint, int heightHint) {
this.fillLayoutParams(params, widthHint, heightHint);
this.mPreservedParams.leftMargin = params.leftMargin;
this.mPreservedParams.topMargin = params.topMargin;
this.mPreservedParams.rightMargin = params.rightMargin;
this.mPreservedParams.bottomMargin = params.bottomMargin;
MarginLayoutParamsCompat.setMarginStart(
this.mPreservedParams, MarginLayoutParamsCompat.getMarginStart(params));
MarginLayoutParamsCompat.setMarginEnd(
this.mPreservedParams, MarginLayoutParamsCompat.getMarginEnd(params));
if (this.leftMarginPercent >= 0.0F) {
params.leftMargin = (int) ((float) widthHint * this.leftMarginPercent);
}
if (this.topMarginPercent >= 0.0F) {
params.topMargin = (int) ((float) heightHint * this.topMarginPercent);
}
if (this.rightMarginPercent >= 0.0F) {
params.rightMargin = (int) ((float) widthHint * this.rightMarginPercent);
}
if (this.bottomMarginPercent >= 0.0F) {
params.bottomMargin = (int) ((float) heightHint * this.bottomMarginPercent);
}
if (this.startMarginPercent >= 0.0F) {
MarginLayoutParamsCompat.setMarginStart(
params, (int) ((float) widthHint * this.startMarginPercent));
}
if (this.endMarginPercent >= 0.0F) {
MarginLayoutParamsCompat.setMarginEnd(
params, (int) ((float) widthHint * this.endMarginPercent));
}
if (Log.isLoggable("PercentLayout", 3)) {
Log.d(
"PercentLayout",
"after fillMarginLayoutParams: (" + params.width + ", " + params.height + ")");
}
}
public void setContentX(final int contentX) {
final MarginLayoutParams layoutParams = (MarginLayoutParams) getLayoutParams();
layoutParams.leftMargin = contentX;
setLayoutParams(layoutParams);
}
public void layout(Launcher launcher) {
FrameLayout.LayoutParams lp;
Resources res = launcher.getResources();
boolean hasVerticalBarLayout = isVerticalBarLayout();
// Layout the search bar space
View searchBar = launcher.getSearchBar();
lp = (FrameLayout.LayoutParams) searchBar.getLayoutParams();
if (hasVerticalBarLayout) {
// Vertical search bar space
lp.gravity = Gravity.TOP | Gravity.LEFT;
lp.width = searchBarSpaceHeightPx;
lp.height = LayoutParams.WRAP_CONTENT;
LinearLayout targets = (LinearLayout) searchBar.findViewById(R.id.drag_target_bar);
targets.setOrientation(LinearLayout.VERTICAL);
} else {
// Horizontal search bar space
lp.gravity = Gravity.TOP | Gravity.CENTER_HORIZONTAL;
lp.width = searchBarSpaceWidthPx;
lp.height = searchBarSpaceHeightPx;
}
searchBar.setLayoutParams(lp);
// Layout the workspace
PagedView workspace = (PagedView) launcher.findViewById(R.id.workspace);
lp = (FrameLayout.LayoutParams) workspace.getLayoutParams();
lp.gravity = Gravity.CENTER;
int orientation = isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT;
Rect padding = getWorkspacePadding(orientation);
workspace.setLayoutParams(lp);
workspace.setPadding(padding.left, padding.top, padding.right, padding.bottom);
workspace.setPageSpacing(getWorkspacePageSpacing(orientation));
// Layout the hotseat
View hotseat = launcher.findViewById(R.id.hotseat);
lp = (FrameLayout.LayoutParams) hotseat.getLayoutParams();
if (hasVerticalBarLayout) {
// Vertical hotseat
lp.gravity = Gravity.END;
lp.width = hotseatBarHeightPx;
lp.height = LayoutParams.MATCH_PARENT;
hotseat.findViewById(R.id.layout).setPadding(0, 2 * edgeMarginPx, 0, 2 * edgeMarginPx);
} else if (isTablet()) {
// Pad the hotseat with the workspace padding calculated above
lp.gravity = Gravity.BOTTOM;
lp.width = LayoutParams.MATCH_PARENT;
lp.height = hotseatBarHeightPx;
hotseat.setPadding(
edgeMarginPx + padding.left, 0, edgeMarginPx + padding.right, 2 * edgeMarginPx);
} else {
// For phones, layout the hotseat without any bottom margin
// to ensure that we have space for the folders
lp.gravity = Gravity.BOTTOM;
lp.width = LayoutParams.MATCH_PARENT;
lp.height = hotseatBarHeightPx;
hotseat.findViewById(R.id.layout).setPadding(2 * edgeMarginPx, 0, 2 * edgeMarginPx, 0);
}
hotseat.setLayoutParams(lp);
// Layout the page indicators
View pageIndicator = launcher.findViewById(R.id.page_indicator);
if (pageIndicator != null) {
if (hasVerticalBarLayout) {
// Hide the page indicators when we have vertical search/hotseat
pageIndicator.setVisibility(View.GONE);
} else {
// Put the page indicators above the hotseat
lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams();
lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
lp.width = LayoutParams.WRAP_CONTENT;
lp.height = LayoutParams.WRAP_CONTENT;
lp.bottomMargin = hotseatBarHeightPx;
pageIndicator.setLayoutParams(lp);
}
}
// Layout AllApps
AppsCustomizeTabHost host =
(AppsCustomizeTabHost) launcher.findViewById(R.id.apps_customize_pane);
if (host != null) {
// Center the all apps page indicator
int pageIndicatorHeight =
(int)
(pageIndicatorHeightPx
* Math.min(1f, (allAppsIconSizePx / DynamicGrid.DEFAULT_ICON_SIZE_PX)));
pageIndicator = host.findViewById(R.id.apps_customize_page_indicator);
if (pageIndicator != null) {
LinearLayout.LayoutParams lllp =
(LinearLayout.LayoutParams) pageIndicator.getLayoutParams();
lllp.width = LayoutParams.WRAP_CONTENT;
lllp.height = pageIndicatorHeight;
pageIndicator.setLayoutParams(lllp);
}
AppsCustomizePagedView pagedView =
(AppsCustomizePagedView) host.findViewById(R.id.apps_customize_pane_content);
FrameLayout fakePageContainer = (FrameLayout) host.findViewById(R.id.fake_page_container);
FrameLayout fakePage = (FrameLayout) host.findViewById(R.id.fake_page);
padding = new Rect();
if (pagedView != null) {
// Constrain the dimensions of all apps so that it does not span the full width
int paddingLR =
(availableWidthPx - (allAppsCellWidthPx * allAppsNumCols)) / (2 * (allAppsNumCols + 1));
int paddingTB =
(availableHeightPx - (allAppsCellHeightPx * allAppsNumRows))
/ (2 * (allAppsNumRows + 1));
paddingLR = Math.min(paddingLR, (int) ((paddingLR + paddingTB) * 0.75f));
paddingTB = Math.min(paddingTB, (int) ((paddingLR + paddingTB) * 0.75f));
int maxAllAppsWidth = (allAppsNumCols * (allAppsCellWidthPx + 2 * paddingLR));
int gridPaddingLR = (availableWidthPx - maxAllAppsWidth) / 2;
// Only adjust the side paddings on landscape phones, or tablets
if ((isTablet() || isLandscape) && gridPaddingLR > (allAppsCellWidthPx / 4)) {
padding.left = padding.right = gridPaddingLR;
}
// The icons are centered, so we can't just offset by the page indicator height
// because the empty space will actually be pageIndicatorHeight + paddingTB
padding.bottom = Math.max(0, pageIndicatorHeight - paddingTB);
pagedView.setWidgetsPageIndicatorPadding(pageIndicatorHeight);
fakePage.setBackground(res.getDrawable(R.drawable.quantum_panel));
// Horizontal padding for the whole paged view
int pagedFixedViewPadding =
res.getDimensionPixelSize(R.dimen.apps_customize_horizontal_padding);
padding.left += pagedFixedViewPadding;
padding.right += pagedFixedViewPadding;
pagedView.setPadding(padding.left, padding.top, padding.right, padding.bottom);
fakePageContainer.setPadding(padding.left, padding.top, padding.right, padding.bottom);
}
}
// Layout the Overview Mode
ViewGroup overviewMode = launcher.getOverviewPanel();
if (overviewMode != null) {
Rect r = getOverviewModeButtonBarRect();
lp = (FrameLayout.LayoutParams) overviewMode.getLayoutParams();
lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
int visibleChildCount = getVisibleChildCount(overviewMode);
int totalItemWidth = visibleChildCount * overviewModeBarItemWidthPx;
int maxWidth = totalItemWidth + (visibleChildCount - 1) * overviewModeBarSpacerWidthPx;
lp.width = Math.min(availableWidthPx, maxWidth);
lp.height = r.height();
overviewMode.setLayoutParams(lp);
if (lp.width > totalItemWidth && visibleChildCount > 1) {
// We have enough space. Lets add some margin too.
int margin = (lp.width - totalItemWidth) / (visibleChildCount - 1);
View lastChild = null;
// Set margin of all visible children except the last visible child
for (int i = 0; i < visibleChildCount; i++) {
if (lastChild != null) {
MarginLayoutParams clp = (MarginLayoutParams) lastChild.getLayoutParams();
if (isLayoutRtl) {
clp.leftMargin = margin;
} else {
clp.rightMargin = margin;
}
lastChild.setLayoutParams(clp);
lastChild = null;
}
View thisChild = overviewMode.getChildAt(i);
if (thisChild.getVisibility() != View.GONE) {
lastChild = thisChild;
}
}
}
}
}