/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3;
import android.animation.Animator;
import android.animation.Animator.AnimatorListener;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.LayoutTransition;
import android.animation.ObjectAnimator;
import android.animation.TimeInterpolator;
import android.animation.ValueAnimator;
import android.animation.ValueAnimator.AnimatorUpdateListener;
import android.app.WallpaperManager;
import android.appwidget.AppWidgetHostView;
import android.appwidget.AppWidgetProviderInfo;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Point;
import android.graphics.PointF;
import android.graphics.Rect;
import android.graphics.Region.Op;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.IBinder;
import android.os.Parcelable;
import android.support.v4.view.ViewCompat;
import android.util.AttributeSet;
import android.util.Log;
import android.util.SparseArray;
import android.view.Choreographer;
import android.view.Display;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.AccessibilityNodeInfo;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.widget.TextView;
import com.android.launcher3.FolderIcon.FolderRingAnimator;
import com.android.launcher3.Launcher.CustomContentCallbacks;
import com.android.launcher3.LauncherSettings.Favorites;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
/**
* The workspace is a wide area with a wallpaper and a finite number of pages.
* Each page contains a number of icons, folders or widgets the user can
* interact with. A workspace is meant to be used with a fixed width only.
*/
public class Workspace extends SmoothPagedView
implements DropTarget, DragSource, DragScroller, View.OnTouchListener,
DragController.DragListener, LauncherTransitionable, ViewGroup.OnHierarchyChangeListener,
Insettable {
private static final String TAG = "Launcher.Workspace";
// Y rotation to apply to the workspace screens
private static final float WORKSPACE_OVERSCROLL_ROTATION = 24f;
private static final int CHILDREN_OUTLINE_FADE_OUT_DELAY = 0;
private static final int CHILDREN_OUTLINE_FADE_OUT_DURATION = 375;
private static final int CHILDREN_OUTLINE_FADE_IN_DURATION = 100;
private static final int BACKGROUND_FADE_OUT_DURATION = 350;
private static final int ADJACENT_SCREEN_DROP_DURATION = 300;
private static final int FLING_THRESHOLD_VELOCITY = 500;
private static final float ALPHA_CUTOFF_THRESHOLD = 0.01f;
// These animators are used to fade the children's outlines
private ObjectAnimator mChildrenOutlineFadeInAnimation;
private ObjectAnimator mChildrenOutlineFadeOutAnimation;
private float mChildrenOutlineAlpha = 0;
// These properties refer to the background protection gradient used for AllApps and Customize
private ValueAnimator mBackgroundFadeInAnimation;
private ValueAnimator mBackgroundFadeOutAnimation;
private Drawable mBackground;
boolean mDrawBackground = true;
private float mBackgroundAlpha = 0;
private static final long CUSTOM_CONTENT_GESTURE_DELAY = 200;
private long mTouchDownTime = -1;
private long mCustomContentShowTime = -1;
private LayoutTransition mLayoutTransition;
private final WallpaperManager mWallpaperManager;
private IBinder mWindowToken;
private int mOriginalDefaultPage;
private int mDefaultPage;
private ShortcutAndWidgetContainer mDragSourceInternal;
private static boolean sAccessibilityEnabled;
// The screen id used for the empty screen always present to the right.
private final static long EXTRA_EMPTY_SCREEN_ID = -201;
private final static long CUSTOM_CONTENT_SCREEN_ID = -301;
private HashMap<Long, CellLayout> mWorkspaceScreens = new HashMap<Long, CellLayout>();
private ArrayList<Long> mScreenOrder = new ArrayList<Long>();
/**
* CellInfo for the cell that is currently being dragged
*/
private CellLayout.CellInfo mDragInfo;
/**
* Target drop area calculated during last acceptDrop call.
*/
private int[] mTargetCell = new int[2];
private int mDragOverX = -1;
private int mDragOverY = -1;
static Rect mLandscapeCellLayoutMetrics = null;
static Rect mPortraitCellLayoutMetrics = null;
CustomContentCallbacks mCustomContentCallbacks;
boolean mCustomContentShowing;
private float mLastCustomContentScrollProgress = -1f;
private String mCustomContentDescription = "";
/**
* The CellLayout that is currently being dragged over
*/
private CellLayout mDragTargetLayout = null;
/**
* The CellLayout that we will show as glowing
*/
private CellLayout mDragOverlappingLayout = null;
/**
* The CellLayout which will be dropped to
*/
private CellLayout mDropToLayout = null;
private Launcher mLauncher;
private IconCache mIconCache;
private DragController mDragController;
// These are temporary variables to prevent having to allocate a new object just to
// return an (x, y) value from helper functions. Do NOT use them to maintain other state.
private int[] mTempCell = new int[2];
private int[] mTempPt = new int[2];
private int[] mTempEstimate = new int[2];
private float[] mDragViewVisualCenter = new float[2];
private float[] mTempCellLayoutCenterCoordinates = new float[2];
private Matrix mTempInverseMatrix = new Matrix();
private SpringLoadedDragController mSpringLoadedDragController;
private float mSpringLoadedShrinkFactor;
private float mOverviewModeShrinkFactor;
private int mOverviewModePageOffset;
// State variable that indicates whether the pages are small (ie when you're
// in all apps or customize mode)
enum State { NORMAL, SPRING_LOADED, SMALL, OVERVIEW};
private State mState = State.NORMAL;
private boolean mIsSwitchingState = false;
boolean mAnimatingViewIntoPlace = false;
boolean mIsDragOccuring = false;
boolean mChildrenLayersEnabled = true;
private boolean mStripScreensOnPageStopMoving = false;
/** Is the user is dragging an item near the edge of a page? */
private boolean mInScrollArea = false;
private HolographicOutlineHelper mOutlineHelper;
private Bitmap mDragOutline = null;
private final Rect mTempRect = new Rect();
private final int[] mTempXY = new int[2];
private int[] mTempVisiblePagesRange = new int[2];
private boolean mOverscrollTransformsSet;
private float mLastOverscrollPivotX;
public static final int DRAG_BITMAP_PADDING = 2;
private boolean mWorkspaceFadeInAdjacentScreens;
WallpaperOffsetInterpolator mWallpaperOffset;
p
Launcher 4.4源码 可在eclipse直接编译
5星 · 超过95%的资源 需积分: 8 103 浏览量
2016-05-26
11:30:29
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评论 1
收藏 8.88MB RAR 举报 
Launcher 4.4源码 可在eclipse直接编译 （1629个子文件） 
resources.ap_ 1.3MB Launcher.apk 1.94MB ToggleWeightWatcher.apk 1.93MB jarlist.cache 120B Launcher.class 106KB Workspace.class 103KB CellLayout.class 60KB PagedView.class 52KB AppsCustomizePagedView.class 48KB LauncherModel.class 48KB ExifInterface.class 40KB Folder.class 35KB LauncherModel$LoaderTask.class 34KB LauncherProvider$DatabaseHelper.class 30KB GLES20Canvas.class 26KB WallpaperPickerActivity.class 24KB DragLayer.class 22KB FolderIcon.class 20KB DragController.class 19KB WidgetPreviewLoader.class 18KB ExifParser.class 16KB TiledImageRenderer.class 16KB DeleteDropTarget.class 16KB Cling.class 14KB FocusHelper.class 14KB WallpaperCropActivity.class 14KB ExifTag.class 14KB AppWidgetResizeFrame.class 13KB InstallShortcutReceiver.class 12KB DeviceProfile.class 12KB WallpaperCropActivity$BitmapCropTask.class 12KB ExifOutputStream.class 12KB AppsCustomizeTabHost.class 12KB BubbleTextView.class 11KB Hotseat.class 11KB LauncherProvider.class 10KB PagedViewCellLayout.class 10KB Utilities.class 10KB IconCache.class 10KB Utils.class 9KB CropView.class 9KB BitmapUtils.class 9KB LauncherAppState.class 9KB BitmapRegionTileSource.class 8KB MemoryTracker.class 8KB DragView.class 8KB PagedViewWidget.class 8KB LauncherModel$PackageUpdatedTask.class 8KB MemoryDumpActivity.class 8KB TiledImageView.class 7KB SearchDropTargetBar.class 7KB ShortcutAndWidgetContainer.class 7KB SavedWallpaperImages.class 7KB ShortcutInfo.class 7KB ExifData.class 7KB LauncherViewPropertyAnimator.class 7KB PageIndicator.class 7KB UploadedTexture.class 7KB AllAppsList.class 6KB BlockingGLTextureView$EglHelper.class 6KB CellLayout$ViewCluster.class 6KB Stats.class 6KB HolographicOutlineHelper.class 6KB AppInfo.class 6KB ExifModifier.class 6KB ThirdPartyWallpaperPickerListAdapter.class 6KB InstallWidgetReceiver$WidgetListAdapter.class 6KB Workspace$WallpaperOffsetInterpolator.class 5KB LauncherModel$2.class 5KB R$string.class 5KB ButtonDropTarget.class 5KB UninstallShortcutReceiver.class 5KB BasicTexture.class 5KB LiveWallpaperListAdapter$LiveWallpaperEnumerator.class 5KB FolderIcon$FolderRingAnimator.class 5KB R$drawable.class 5KB CellLayout$ReorderHintAnimation.class 5KB DynamicGrid.class 5KB WeightWatcher$ProcessWatcher.class 5KB PagedViewIconCache.class 5KB PagedViewCellLayoutChildren.class 4KB AppsCustomizeTabHost$3.class 4KB FirstFrameAnimatorHelper.class 4KB LiveWallpaperListAdapter.class 4KB PagedViewIcon.class 4KB InfoDropTarget.class 4KB HolographicLinearLayout.class 4KB ItemInfo.class 4KB DeferredHandler.class 4KB PagedViewWithDraggableItems.class 4KB BlockingGLTextureView$RenderThread.class 4KB WallpaperPickerActivity$6.class 4KB CountedDataInputStream.class 4KB LauncherAnimUtils.class 4KB SmoothPagedView.class 4KB R$styleable.class 4KB HolographicImageView.class 4KB TiledImageRenderer$Tile.class 4KB PagedView$5.class 4KB CellLayout$LayoutParams.class 4KB共 1629 条
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资源评论
月溅星河2017-05-09挺不错，可以运行，值得一看
