/** Flag for the "options panel" feature.  This is enabled by default. */public static final int FEATURE_OPTIONS_PANEL = 0;/** Flag for the "no title" feature, turning off the title at the top*  of the screen. */public static final int FEATURE_NO_TITLE = 1;   //无标题栏/** Flag for the progress indicator feature */public static final int FEATURE_PROGRESS = 2;  //在标题栏上添加加载进度条/** Flag for having an icon on the left side of the title bar */public static final int FEATURE_LEFT_ICON = 3;/** Flag for having an icon on the right side of the title bar */public static final int FEATURE_RIGHT_ICON = 4;/** Flag for indeterminate progress */public static final int FEATURE_INDETERMINATE_PROGRESS = 5;/** Flag for the context menu.  This is enabled by default. */public static final int FEATURE_CONTEXT_MENU = 6;/** Flag for custom title. You cannot combine this feature with other title features. */
public static final int FEATURE_CUSTOM_TITLE = 7;
public static final int FEATURE_ACTION_BAR = 8;
public static final int FEATURE_ACTION_BAR_OVERLAY = 9;
public static final int FEATURE_ACTION_MODE_OVERLAY = 10;
public static final int FEATURE_MAX = FEATURE_ACTION_MODE_OVERLAY;/** Flag for setting the progress bar's visibility to VISIBLE */public static final int PROGRESS_VISIBILITY_ON = -1;/** Flag for setting the progress bar's visibility to GONE */public static final int PROGRESS_VISIBILITY_OFF = -2;/** Flag for setting the progress bar's indeterminate mode on */public static final int PROGRESS_INDETERMINATE_ON = -3;/** Flag for setting the progress bar's indeterminate mode off */public static final int PROGRESS_INDETERMINATE_OFF = -4;/** Starting value for the (primary) progress */public static final int PROGRESS_START = 0;/** Ending value for the (primary) progress */public static final int PROGRESS_END = 10000;/** Lowest possible value for the secondary progress */public static final int PROGRESS_SECONDARY_START = 20000;/** Highest possible value for the secondary progress */
public static final int PROGRESS_SECONDARY_END = 30000;

    public boolean requestFeature(int featureId) {final int flag = 1<<featureId;mFeatures |= flag;mLocalFeatures |= mContainer != null ? (flag&~mContainer.mFeatures) : flag;return (mFeatures&flag) != 0;
}

  public void setWindowManager(WindowManager wm, IBinder appToken, String appName,boolean hardwareAccelerated) {mAppToken = appToken;mAppName = appName;mHardwareAccelerated = hardwareAccelerated|| SystemProperties.getBoolean(PROPERTY_HARDWARE_UI, false);if (wm == null) {wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);}mWindowManager = ((WindowManagerImpl)wm).createLocalWindowManager(this);}

public interface ViewManager
{public void addView(View view, ViewGroup.LayoutParams params);public void updateViewLayout(View view, ViewGroup.LayoutParams params);public void removeView(View view);
}

public final class WindowManagerImpl implements WindowManager {private final WindowManagerGlobal mGlobal = WindowManagerGlobal.getInstance();private final Display mDisplay;private final Window mParentWindow;public WindowManagerImpl(Display display) {this(display, null);}private WindowManagerImpl(Display display, Window parentWindow) {mDisplay = display;mParentWindow = parentWindow;}public WindowManagerImpl createLocalWindowManager(Window parentWindow) {return new WindowManagerImpl(mDisplay, parentWindow);}public WindowManagerImpl createPresentationWindowManager(Display display) {return new WindowManagerImpl(display, mParentWindow);}@Overridepublic void addView(View view, ViewGroup.LayoutParams params) {mGlobal.addView(view, params, mDisplay, mParentWindow);}@Overridepublic void updateViewLayout(View view, ViewGroup.LayoutParams params) {mGlobal.updateViewLayout(view, params);}@Overridepublic void removeView(View view) {mGlobal.removeView(view, false);}@Overridepublic void removeViewImmediate(View view) {mGlobal.removeView(view, true);}@Overridepublic Display getDefaultDisplay() {return mDisplay;}
}

作者：杰瑞教育
出处：http://www.cnblogs.com/jerehedu/ 
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