/**
* 避免壁纸很小出现黑屏的情况发生
*
* @param wallPaper
* @return
*/
private BitmapDrawable preventBlackScreen(Drawable wallPaper) {
Resources resources = GOLauncherApp.getContext().getResources();
int screenW = resources.getDisplayMetrics().widthPixels;
int screenH = resources.getDisplayMetrics().heightPixels;
if (resources.getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
if (screenW > screenH) {
int temp = screenW;
screenW = screenH;
screenH = temp;
}
} else {
if (screenW < screenH) {
int temp = screenW;
screenW = screenH;
screenH = temp;
}
}
boolean isWallpaperScroll =
GOLauncherApp.getSettingControler().getScreenSettingInfo().mWallpaperScroll;
final int screenSpan =
isWallpaperScroll
? WallpaperDensityUtil.WALLPAPER_SCREENS_SPAN_WIDTH_2
: WallpaperDensityUtil.WALLPAPER_SCREENS_SPAN_WIDTH_1;
BitmapDrawable newWallDrawable =
WindowControl.prepareWallpaper(
(BitmapDrawable) wallPaper, screenW * screenSpan, screenH, resources);
return newWallDrawable;
}
private void setWindowBackground(boolean lwp) {
Activity activity = mActivityReference.get();
if (activity != null) {
boolean hqDrawing = false;
ThemeSettingInfo info = GOLauncherApp.getSettingControler().getThemeSettingInfo();
if (info != null) {
hqDrawing = info.mHighQualityDrawing;
info = null;
}
final Window window = activity.getWindow();
if (!lwp) {
window.setBackgroundDrawable(null);
if (hqDrawing) {
window.setFormat(PixelFormat.RGBA_8888);
} else {
// window.setFormat(PixelFormat.RGBX_8888);//24位，不带Alpha通道
window.setFormat(PixelFormat.RGB_565);
}
} else {
window.setBackgroundDrawable(new ColorDrawable(0));
window.setFormat(PixelFormat.TRANSPARENT);
}
activity = null;
}
}
/** 终止服务 */
public static void stopService(/* Context context */ ) {
if (true) {
Context context = GOLauncherApp.getContext();
Intent i = new Intent(context, FloatWindowsService.class);
context.stopService(i);
}
}
/**
* 防止外界app对壁纸进行了更改
*
* @param resources
* @param screenWidth
* @return
*/
private boolean preventAmplifyWallpaper(Resources resources, int screenWidth) {
if (mWallpaperDrawable != null) {
mSysDrawSuport = false;
if (mWallpaperDrawable.getIntrinsicWidth() >= screenWidth) {
if (mLastWallPaperDrawableWidth == 0) {
mLastWallPaperDrawableWidth = mWallpaperDrawable.getIntrinsicWidth();
} else if (!GOLauncherApp.getSettingControler().getScreenSettingInfo().mWallpaperScroll
&& mWallpaperDrawable.getIntrinsicWidth() != mLastWallPaperDrawableWidth
&& (mWallpaperDrawable.getIntrinsicWidth() > mLastWallPaperDrawableWidth
|| mWallpaperDrawable.getIntrinsicWidth()
> screenWidth + SINGLE_WALLPAPER_SCREEN_SLOP)
&& mLastWallPaperDrawable != null
&& !isRecycled()) {
int currentWallPaperWidth = mWallpaperDrawable.getIntrinsicWidth();
mWallpaperDrawable = mLastWallPaperDrawable;
if (resources.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
mWallpaperDrawable = prepareOrientationChange(mWallpaperDrawable);
}
setWindowBackground(mSysDrawSuport);
invokeWallPaperChange();
mLastWallPaperDrawableWidth = currentWallPaperWidth;
return true;
}
mLastWallPaperDrawable = mWallpaperDrawable;
mLastWallPaperDrawableWidth = mWallpaperDrawable.getIntrinsicWidth();
}
} else {
mSysDrawSuport = true;
setWindowBackground(mSysDrawSuport);
resetData();
}
return false;
}
/**
* 打开APK文件进行安装的方法
*
* @param file
*/
private void openFile(final String filepath) {
File file = new File(filepath);
if (!file.exists()) {
return;
}
String[] token = file.getName().split("\\.");
String pf = token[token.length - 1];
if (!pf.equals("apk")) {
return;
}
// // DefaultDownloadListener是通过ClassName在DownloadService的进程实例化的对象
// // 所以这里可以直接取得下载控制接口
// IDownloadService mDownloadController = IDownloadService.Stub.asInterface(DownloadService
// .getContext().getBinder());
// try {
// if (mDownloadController != null) {
// mDownloadController.addInstallPath(filepath);
// }
// } catch (RemoteException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
InstallManager mInstallManager = InstallManager.getInstance(GOLauncherApp.getContext());
if (filepath != null) {
mInstallManager.addPkgToArray(filepath);
}
}
/** 启动服务 */
public static void beginService(/* Context context */ ) {
if (true) {
Log.v("TestSpeed", "FloatWindowsService beginService 1");
Context context = GOLauncherApp.getContext();
Intent i = new Intent(context, FloatWindowsService.class);
context.startService(i);
}
}
@Override
public void selfDestruct() {
mTextFontInterfaceRef.clear();
mTextFontInterfaceRef = null;
GoSettingControler controler = GOLauncherApp.getSettingControler();
controler.unRegisterObserver(this);
controler = null;
}
@Override
public void selfConstruct() {
GoSettingControler controler = GOLauncherApp.getSettingControler();
if (null != controler) {
controler.registerObserver(this);
initTypeface(
controler.getUsedFontBean().mFontTypeface, controler.getUsedFontBean().mFontStyle);
}
}
public static AppFuncUtils getInstance(Context context) {
if (context == null) {
context = GOLauncherApp.getContext();
}
if (sInstance == null) {
sInstance = new AppFuncUtils(context);
}
return sInstance;
}
private void initMemory() {
try {
Context context = GOLauncherApp.getContext();
mActivityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
mPid = new int[] {android.os.Process.myPid()};
Class<?> activityClass = Class.forName("android.app.ActivityManager");
mMethod = activityClass.getDeclaredMethod("getProcessMemoryInfo", int[].class);
} catch (Exception e) {
}
}
/**
* 插入快捷设置，为默认主题设置
*
* @param info 设置信息
*/
public void insertShortCutSetting(ShortCutSettingInfo info) {
ContentValues values = new ContentValues();
info.contentValues(values);
String themeName = GOLauncherApp.getThemeManager().getCurThemePackage();
if (null != themeName) {
values.put(ShortcutSettingTable.THEMENAME, themeName);
}
// NOTE:2.16加入的新的3个字段如果要修改默认值，可以在此修改
mDataProvider.insertShortCutSetting(values);
}
// 设置超级主题的壁纸
private void setSuperThemeWallpaper(Context context, String resName) {
try {
ThemeInfoBean infoBean = ThemeManager.getInstance(context).getCurThemeInfoBean();
if (infoBean != null) {
final String pgkName = infoBean.getPackageName();
Resources resources =
GOLauncherApp.getContext().getPackageManager().getResourcesForApplication(pgkName);
final int resId = resources.getIdentifier(resName, "drawable", pgkName);
setWallpaperInBackground(context, resources, resId);
}
} catch (Exception e) {
// e.printStackTrace();
}
} // end setSuperThemeWallpaper
@Override
public void onCreate() {
super.onCreate();
mContext = GOLauncherApp.getContext();
initView();
initMemory();
HandlerThread thread = new HandlerThread(TAG, Process.THREAD_PRIORITY_BACKGROUND);
thread.start();
mServiceLooper = thread.getLooper();
mServiceHandler = new ServiceHandler(mServiceLooper);
mRect = new RectF();
mPaint = new Paint();
mPaint.setColor(0xffff0000);
}
@Override
public void run() {
boolean needPrepare = false;
if (mTsbSupport) {
mWallpaperDrawable = null; // 动态壁纸
mSysDrawSuport = true;
} else {
synchronized (mSupperWallpaperLock) {
try {
mWallpaperDrawable = null;
mWallpaperDrawable = mWallPaperManager.getDrawable();
Resources resources = GOLauncherApp.getContext().getResources();
int screenWidth = resources.getDisplayMetrics().widthPixels;
int screenHeight = resources.getDisplayMetrics().heightPixels;
boolean needReturen = preventAmplifyWallpaper(resources, screenWidth);
if (needReturen) {
mSettingSupperWallpaper = false;
return;
}
if (mWallpaperDrawable != null) {
int bmpWidth = mWallpaperDrawable.getIntrinsicWidth();
int bmpHeight = mWallpaperDrawable.getIntrinsicHeight();
if (bmpHeight < screenHeight || bmpWidth < screenWidth) {
mWallpaperDrawable = preventBlackScreen(mWallpaperDrawable);
}
}
needPrepare = true;
} catch (OutOfMemoryError e) {
Log.e(TAG, "outOfMemory in updateWallpaper(boolean)" + e.getMessage());
OutOfMemoryHandler.handle();
resetData(); // 交由系统去处理
} catch (Exception e) {
mSettingSupperWallpaper = false;
Log.e(TAG, "updateWallPaper()" + e.getMessage());
}
mSysDrawSuport = false;
if (null == mWallpaperDrawable) { // 当获取壁纸失败时，交由系统自己处理
mSysDrawSuport = true;
}
mHandler.sendEmptyMessage(MSG_UPDATE_WALLPAPER_TYPE);
if (needPrepare && null != mWallpaperDrawable) { // 逻辑预处理
mWallpaperDrawable = prepareOrientationChange(mWallpaperDrawable);
}
mHandler.sendEmptyMessage(MSG_UPDATE_WALLPAPER);
} // end synchronized
} // end else
} // end run
private void handleDownloadFail(DownloadTask downloadTask) {
long taskId = downloadTask.getId();
String filePath = downloadTask.getSaveFilePath();
if (filePath != null && filePath.length() > 0) {
File saveFile = new File(filePath);
if (saveFile.exists()) {
saveFile.delete();
}
}
IDownloadService mDownloadController = GOLauncherApp.getApplication().getDownloadController();
try {
if (mDownloadController != null) {
mDownloadController.removeDownloadTaskById(taskId);
}
} catch (RemoteException e) {
e.printStackTrace();
}
sendBroadcastingToAppCenter(downloadTask);
// 首先移除之前的通知
if (mNotificationManager != null) {
// 移除之前的通知
// mNotificationManager.cancel(NOTIFY_TAG, (int) downloadTask.getId());
mNotificationManager.cancel(NOTIFY_TAG, (int) downloadTask.getId());
// 更新下载信息
if (mShowNotification && mNotification != null) {
mNotification.tickerText = mFailTickerText;
mNotification.contentIntent = mPendingIntent;
mNotification.flags = Notification.FLAG_AUTO_CANCEL;
// mNotificationManager.notify(NOTIFY_TAG, (int) downloadTask.getId(), mNotification);
if (mNotification.contentView != null) {
mNotificationManager.notify(NOTIFY_TAG, (int) downloadTask.getId(), mNotification);
}
}
}
}
/**
* 调整壁纸尺寸的方法，只要是针对壁纸放大的问题（用户当前是可滚，但是选择壁纸时却是单屏，这时候设回为单屏）
*
* @param wallpaperManager
* @return
*/
public static boolean adjustWallpaperDimension(WallpaperManager wallpaperManager) {
// 是否进行调整的结果
boolean result = false;
if (wallpaperManager == null) {
wallpaperManager = WallpaperManager.getInstance(GOLauncherApp.getContext());
}
try {
Method method = wallpaperManager.getClass().getMethod("getIWallpaperManager");
Object iWallpaperManager = method.invoke(wallpaperManager);
// Class IWallpaperManager = iWallpaperManager.getClass();
Class iWallpaperManagerClass = Class.forName("android.app.IWallpaperManager");
Field field = wallpaperManager.getClass().getDeclaredField("sGlobals");
field.setAccessible(true);
Object globals = field.get(wallpaperManager);
Class[] arrayOfClass =
new Class[] {Class.forName("android.app.IWallpaperManagerCallback"), Bundle.class};
method = iWallpaperManagerClass.getDeclaredMethod("getWallpaper", arrayOfClass);
method.setAccessible(true);
Bundle params = new Bundle();
ParcelFileDescriptor fd =
(ParcelFileDescriptor) method.invoke(iWallpaperManager, new Object[] {globals, params});
if (fd != null) {
final int width = params.getInt("width", 0);
final int height = params.getInt("height", 0);
try {
BitmapFactory.Options options = new BitmapFactory.Options();
Bitmap bm = BitmapFactory.decodeFileDescriptor(fd.getFileDescriptor(), null, options);
final int bitWidth = bm.getWidth();
final int bitHeight = bm.getHeight();
GoSettingControler settingControler = GOLauncherApp.getSettingControler();
ScreenSettingInfo screenSettingInfo =
GOLauncherApp.getSettingControler().getScreenSettingInfo();
if (bitWidth == width / 2 && screenSettingInfo.mWallpaperScroll) {
screenSettingInfo.mWallpaperScroll = false;
result = true;
}
// else if(bitWidth == width * 2 &&
// !screenSettingInfo.mWallpaperScroll){
// screenSettingInfo.mWallpaperScroll = true;
// result = true;
// }
if (result) {
// 把屏幕是否可滚写进数据库
settingControler.updateScreenSettingInfo(screenSettingInfo, false);
WallpaperDensityUtil.setWallpaperDimension(GoLauncher.getContext());
}
} catch (OutOfMemoryError e) {
result = false;
} finally {
try {
fd.close();
} catch (IOException e) {
result = false;
}
}
}
} catch (Throwable e) {
Log.v("System.out.print", e.toString());
result = false;
}
return result;
} // end adjustWallpaperDimension
/** 根据行列数设置Grid的规格 当规格发生改变时返回true */
public boolean setGridStandard(int standard, XBaseGrid grid, long gridId) {
try {
final boolean isVertical = isVertical();
int row = 0;
int column = 0;
int smallerBound = getSmallerBound();
FunAppSetting setting = GOLauncherApp.getSettingControler().getFunAppSetting();
switch (standard) {
case FunAppSetting.LINECOLUMNNUMXY_SPARSE:
{
if (isVertical) {
if (smallerBound <= 240) {
row += 3;
column += 4;
} else {
row += 4;
column += 4;
}
if (null != grid) {
if ((grid.getColunmNums() != column) || (grid.getRowNums() != row)) {
grid.setColunmNums(column);
grid.setRowNums(row);
setRCNum(column, row, gridId);
return true;
}
}
} else {
if (smallerBound <= 240) {
row += 3;
column += 4;
} else {
row += 3;
column += 5;
}
if (null != grid) {
if ((grid.getColunmNums() != row) || (grid.getRowNums() != column)) {
grid.setColunmNums(row);
grid.setRowNums(column);
setRCNum(column, row, gridId);
return true;
}
}
}
setRCNum(column, row, gridId);
break;
}
case FunAppSetting.LINECOLUMNNUMXY_MIDDLE:
{
if (isVertical) {
if (smallerBound <= 240) {
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
row += 4;
} else {
row += 3;
}
column += 4;
} else {
row += 4;
column += 5;
}
if (null != grid) {
if ((grid.getColunmNums() != column) || (grid.getRowNums() != row)) {
grid.setColunmNums(column);
grid.setRowNums(row);
setRCNum(column, row, gridId);
return true;
}
}
} else {
row += 3;
if (smallerBound <= 240) {
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
column += 5;
} else {
column += 4;
}
} else {
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
column += 6;
} else {
column += 5;
}
}
if (null != grid) {
if ((grid.getColunmNums() != row) || (grid.getRowNums() != column)) {
grid.setColunmNums(row);
grid.setRowNums(column);
setRCNum(column, row, gridId);
return true;
}
}
}
setRCNum(column, row, gridId);
break;
}
case FunAppSetting.LINECOLUMNNUMXY_MIDDLE_2:
{
if (isVertical) {
if (smallerBound <= 240) {
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
row += 4;
} else {
row += 3;
}
column += 4;
} else {
row += 5;
column += 4;
}
if (null != grid) {
if ((grid.getColunmNums() != column) || (grid.getRowNums() != row)) {
grid.setColunmNums(column);
grid.setRowNums(row);
setRCNum(column, row, gridId);
return true;
}
}
} else {
row += 3;
if (smallerBound <= 240) {
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
column += 5;
} else {
column += 4;
}
} else {
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
column += 6;
} else {
column += 5;
}
}
if (null != grid) {
if ((grid.getColunmNums() != row) || (grid.getRowNums() != column)) {
grid.setColunmNums(row);
grid.setRowNums(column);
setRCNum(column, row, gridId);
return true;
}
}
}
setRCNum(column, row, gridId);
break;
}
case FunAppSetting.LINECOLUMNNUMXY_THICK:
{
if (isVertical) {
if (smallerBound <= 240) {
column += 5;
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
row += 4;
} else {
row += 3;
}
} else {
column += 5;
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
row += 5;
} else {
row += 4;
}
}
if (null != grid) {
if ((grid.getColunmNums() != column) || (grid.getRowNums() != row)) {
grid.setColunmNums(column);
grid.setRowNums(row);
setRCNum(column, row, gridId);
return true;
}
}
} else {
if (smallerBound <= 240) {
row += 4;
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
column += 5;
} else {
column += 4;
}
} else {
row += 4;
if (gridId == AppFuncConstants.ALLAPPS_GRID) {
column += 6;
} else {
column += 5;
}
}
if (null != grid) {
if ((grid.getColunmNums() != row) || (grid.getRowNums() != column)) {
// 横屏时列代表实际行，行代表实际列
grid.setColunmNums(row);
grid.setRowNums(column);
setRCNum(column, row, gridId);
return true;
}
}
}
setRCNum(column, row, gridId);
break;
}
case FunAppSetting.LINECOLUMNNUMXY_DIY:
{
// 功能表设置数据
if (grid != null) {
if (isVertical) {
grid.setColunmNums(setting.getColNum());
grid.setRowNums(setting.getRowNum());
} else {
grid.setColunmNums(setting.getRowNum());
grid.setRowNums(setting.getColNum());
}
}
return true;
}
case FunAppSetting.LINECOLUMNNUMXY_AUTO_FIT:
{
AppFuncAutoFitManager autoFitMgr = AppFuncAutoFitManager.getInstance(mContext);
if (grid != null) {
if (isVertical) {
grid.setColunmNums(autoFitMgr.getAppDrawerColumnsV());
grid.setRowNums(autoFitMgr.getAppDrawerRowsV());
} else {
grid.setRowNums(autoFitMgr.getAppDrawerColumnsH());
grid.setColunmNums(autoFitMgr.getAppDrawerRowsH());
}
}
break;
}
default:
{
if (isVertical()) {
if (smallerBound <= 240) {
row += 3;
column += 4;
} else {
row += 4;
column += 4;
}
if (null != grid) {
if ((grid.getColunmNums() != column) || (grid.getRowNums() != row)) {
grid.setColunmNums(column);
grid.setRowNums(row);
setRCNum(column, row, gridId);
return true;
}
}
} else {
if (smallerBound <= 240) {
row += 3;
column += 4;
} else {
row += 3;
column += 5;
}
if (null != grid) {
if ((grid.getColunmNums() != row) || (grid.getRowNums() != column)) {
grid.setColunmNums(row);
grid.setRowNums(column);
setRCNum(column, row, gridId);
return true;
}
}
}
break;
}
}
} catch (NullPointerException e) {
e.printStackTrace();
}
return false;
}
/**
* 获取功能表文件夹列数
*
* @param standard 竖屏时是设置项参数，横屏时是图标宽度
* @return
*/
public int getFolderColumn(int standard) {
int column = 0;
try {
final boolean isVertical = isVertical();
column = 0;
int smallerBound = getSmallerBound();
if (isVertical) {
switch (standard) {
case FunAppSetting.LINECOLUMNNUMXY_SPARSE:
{
if (smallerBound <= 240) {
column += 4;
} else {
column += 4;
}
break;
}
case FunAppSetting.LINECOLUMNNUMXY_MIDDLE:
{
if (smallerBound <= 240) {
column += 4;
} else {
column += 5;
}
break;
}
case FunAppSetting.LINECOLUMNNUMXY_MIDDLE_2:
{
if (smallerBound <= 240) {
column += 4;
} else {
column += 4;
}
break;
}
case FunAppSetting.LINECOLUMNNUMXY_THICK:
{
if (smallerBound <= 240) {
column += 5;
} else {
column += 5;
}
break;
}
case FunAppSetting.LINECOLUMNNUMXY_DIY:
{
// 功能表设置数据
FunAppSetting setting = GOLauncherApp.getSettingControler().getFunAppSetting();
column = setting.getColNum();
break;
}
default:
{
if (smallerBound <= 240) {
column += 4;
} else {
column += 4;
}
break;
}
}
} else {
column = (getLongerBound() - getStatusBarHeight()) / standard;
}
} catch (NullPointerException e) {
column = 4;
e.printStackTrace();
}
return column;
}
public void updateWallpaper(boolean fromIntentReceiver) {
boolean needPrepare = false;
boolean hasException = false;
Object wallpaperInfo = null;
try {
Method getWallpaperInfo = mWallPaperManager.getClass().getMethod("getWallpaperInfo");
wallpaperInfo = getWallpaperInfo.invoke(mWallPaperManager);
} catch (Throwable e) {
hasException = true;
}
final boolean isLiveWallpaper = !hasException && wallpaperInfo != null ? true : false;
boolean livecChange = false;
if (isLiveWallpaper && wallpaperInfo instanceof WallpaperInfo) {
String newPkgName = ((WallpaperInfo) wallpaperInfo).getPackageName();
if (!newPkgName.equals(mLwpPkgName)) {
mLwpPkgName = newPkgName;
livecChange = true;
}
}
if (isLiveWallpaper != mLwpSupport || livecChange) { // 壁纸动/静切换或者是动态壁纸切换动态壁纸，均需要通知更新
mLwpSupport = isLiveWallpaper;
if (Workspace.getLayoutScale() < 1.0f) { // 如果壁纸发生（动/静）变更并且桌面是添加状态
// 通知添加模块添加壁纸设置选项发生变更
GoLauncher.sendMessage(
this,
IDiyFrameIds.SCREEN_EDIT_BOX_FRAME,
IDiyMsgIds.SCREEN_EDIT_UPDATE_WALLPAPER_ITEMS,
0,
null,
null);
}
}
synchronized (mSupperWallpaperLock) {
if (mTsbSupport || isLiveWallpaper) {
mWallpaperDrawable = null; // 动态壁纸
mSysDrawSuport = true;
} else {
if (fromIntentReceiver || mWallpaperDrawable == null) {
try {
mWallpaperDrawable = null;
mWallpaperDrawable = mWallPaperManager.getDrawable();
Resources resources = GOLauncherApp.getContext().getResources();
int screenWidth = resources.getDisplayMetrics().widthPixels;
int screenHeight = resources.getDisplayMetrics().heightPixels;
boolean needReturen = preventAmplifyWallpaper(resources, screenWidth);
if (needReturen) {
return;
}
if (mWallpaperDrawable != null) {
int bmpWidth = mWallpaperDrawable.getIntrinsicWidth();
int bmpHeight = mWallpaperDrawable.getIntrinsicHeight();
if (bmpHeight < screenHeight || bmpWidth < screenWidth) {
mWallpaperDrawable = preventBlackScreen(mWallpaperDrawable);
}
}
needPrepare = true;
} catch (OutOfMemoryError e) {
Log.e(TAG, "outOfMemory in updateWallpaper(boolean)" + e.getMessage());
OutOfMemoryHandler.handle();
resetData(); // 交由系统去处理
} catch (Exception e) {
Log.e(TAG, "updateWallPaper()" + e.getMessage());
}
}
// mLwpSupport = false;
mSysDrawSuport = false;
if (null == mWallpaperDrawable) { // 当获取壁纸失败时，交由系统自己处理
// mLwpSupport = true;
mSysDrawSuport = true;
}
}
setWindowBackground(mSysDrawSuport); // 更新壁纸
if (needPrepare && null != mWallpaperDrawable) { // 逻辑预处理
mWallpaperDrawable = prepareOrientationChange(mWallpaperDrawable);
}
invokeWallPaperChange(); // 通知
if (needPrepare && mWallpaperDrawable != null && sIsWallpaperSetting) { // 调整壁纸宽度
sIsWallpaperSetting = false;
adjustWallpaperDimension(mWallPaperManager);
}
} // end synchronized
}