WindowState - adb shell dumpsys window windows

日志：
Window #9 Window{96b92e0 u0 com.yy.perfectfloatwindow}:
mDisplayId=0 rootTaskId=1 mSession=Session{6a89f16 24671:u0a10344} mClient=android.os.BinderProxy@b5d7912
mOwnerUid=10344 showForAllUsers=false package=com.yy.perfectfloatwindow appop=SYSTEM_ALERT_WINDOW
mAttrs={(804,660)(wrapxwrap) gr=TOP START CENTER sim={adjust=pan} ty=APPLICATION_OVERLAY fmt=RGBA_8888
fl=NOT_FOCUSABLE HARDWARE_ACCELERATED
pfl=USE_BLAST INSET_PARENT_FRAME_BY_IME
bhv=DEFAULT
fitTypes=STATUS_BARS NAVIGATION_BARS CAPTION_BAR naviIconColor=0}

代码：
frameworks/base/services/core/java/com/android/server/wm/WindowState.java

    void dump(PrintWriter pw, String prefix, boolean dumpAll) {
        pw.print(prefix + "mDisplayId=" + getDisplayId());
        if (getRootTask() != null) {
            pw.print(" rootTaskId=" + getRootTaskId());
        }
        pw.println(" mSession=" + mSession
                + " mClient=" + mClient.asBinder());
        pw.println(prefix + "mOwnerUid=" + mOwnerUid
                + " showForAllUsers=" + showForAllUsers()
                + " package=" + mAttrs.packageName
                + " appop=" + AppOpsManager.opToName(mAppOp));
        pw.println(prefix + "mAttrs=" + mAttrs.toString(prefix));
        pw.println(prefix + "Requested w=" + mRequestedWidth
                + " h=" + mRequestedHeight
                + " mLayoutSeq=" + mLayoutSeq);
        if (mRequestedWidth != mLastRequestedWidth || mRequestedHeight != mLastRequestedHeight) {
            pw.println(prefix + "LastRequested w=" + mLastRequestedWidth
                    + " h=" + mLastRequestedHeight);
        }
        if (mIsChildWindow || mLayoutAttached) {
            pw.println(prefix + "mParentWindow=" + getParentWindow()
                    + " mLayoutAttached=" + mLayoutAttached);
        }
        if (mIsImWindow || mIsWallpaper || mIsFloatingLayer) {
            pw.println(prefix + "mIsImWindow=" + mIsImWindow
                    + " mIsWallpaper=" + mIsWallpaper
                    + " mIsFloatingLayer=" + mIsFloatingLayer);
        }
        if (dumpAll) {
            pw.print(prefix); pw.print("mBaseLayer="); pw.print(mBaseLayer);
                    pw.print(" mSubLayer="); pw.print(mSubLayer);
        }
        if (dumpAll) {
            pw.println(prefix + "mToken=" + mToken);
            if (mActivityRecord != null) {
                pw.println(prefix + "mActivityRecord=" + mActivityRecord);
                pw.print(prefix + "mAppDied=" + mAppDied);
                pw.print(prefix + "drawnStateEvaluated=" + getDrawnStateEvaluated());
                pw.println(prefix + "mightAffectAllDrawn=" + mightAffectAllDrawn());
            }
            pw.println(prefix + "mViewVisibility=0x" + Integer.toHexString(mViewVisibility)
                    + " mHaveFrame=" + mHaveFrame
                    + " mObscured=" + mObscured);
            if (mDisableFlags != 0) {
                pw.println(prefix + "mDisableFlags=" + ViewDebug.flagsToString(
                        View.class, "mSystemUiVisibility", mDisableFlags));
            }
        }
        if (!isVisibleByPolicy() || !mLegacyPolicyVisibilityAfterAnim || !mAppOpVisibility
                || isParentWindowHidden() || mPermanentlyHidden || mForceHideNonSystemOverlayWindow
                || mHiddenWhileSuspended) {
            pw.println(prefix + "mPolicyVisibility=" + isVisibleByPolicy()
                    + " mLegacyPolicyVisibilityAfterAnim=" + mLegacyPolicyVisibilityAfterAnim
                    + " mAppOpVisibility=" + mAppOpVisibility
                    + " parentHidden=" + isParentWindowHidden()
                    + " mPermanentlyHidden=" + mPermanentlyHidden
                    + " mHiddenWhileSuspended=" + mHiddenWhileSuspended
                    + " mForceHideNonSystemOverlayWindow=" + mForceHideNonSystemOverlayWindow);
        }
        if (!mRelayoutCalled || mLayoutNeeded) {
            pw.println(prefix + "mRelayoutCalled=" + mRelayoutCalled
                    + " mLayoutNeeded=" + mLayoutNeeded);
        }
        if (dumpAll) {
            pw.println(prefix + "mGivenContentInsets=" + mGivenContentInsets.toShortString(sTmpSB)
                    + " mGivenVisibleInsets=" + mGivenVisibleInsets.toShortString(sTmpSB));
            if (mTouchableInsets != 0 || mGivenInsetsPending) {
                pw.println(prefix + "mTouchableInsets=" + mTouchableInsets
                        + " mGivenInsetsPending=" + mGivenInsetsPending);
                Region region = new Region();
                getTouchableRegion(region);
                pw.println(prefix + "touchable region=" + region);
            }
            pw.println(prefix + "mFullConfiguration=" + getConfiguration());
            pw.println(prefix + "mLastReportedConfiguration=" + getLastReportedConfiguration());
        }
        pw.println(prefix + "mHasSurface=" + mHasSurface
                + " isReadyForDisplay()=" + isReadyForDisplay()
                + " mWindowRemovalAllowed=" + mWindowRemovalAllowed);
        if (hasCompatScale()) {
            pw.println(prefix + "mCompatFrame=" + mWindowFrames.mCompatFrame.toShortString(sTmpSB));
        }
        if (dumpAll) {
            mWindowFrames.dump(pw, prefix);
            pw.println(prefix + " surface=" + mAttrs.surfaceInsets.toShortString(sTmpSB));
        }
        super.dump(pw, prefix, dumpAll);
        pw.println(prefix + mWinAnimator + ":");
        mWinAnimator.dump(pw, prefix + "  ", dumpAll);
        if (mAnimatingExit || mRemoveOnExit || mDestroying || mRemoved) {
            pw.println(prefix + "mAnimatingExit=" + mAnimatingExit
                    + " mRemoveOnExit=" + mRemoveOnExit
                    + " mDestroying=" + mDestroying
                    + " mRemoved=" + mRemoved);
        }
        if (getOrientationChanging() || mAppFreezing || mReportOrientationChanged) {
            pw.println(prefix + "mOrientationChanging=" + mOrientationChanging
                    + " configOrientationChanging="
                    + (getLastReportedConfiguration().orientation != getConfiguration().orientation)
                    + " mAppFreezing=" + mAppFreezing
                    + " mReportOrientationChanged=" + mReportOrientationChanged);
        }
        if (mLastFreezeDuration != 0) {
            pw.print(prefix + "mLastFreezeDuration=");
            TimeUtils.formatDuration(mLastFreezeDuration, pw);
            pw.println();
        }
        pw.print(prefix + "mForceSeamlesslyRotate=" + mForceSeamlesslyRotate
                + " seamlesslyRotate: pending=");
        if (mPendingSeamlessRotate != null) {
            mPendingSeamlessRotate.dump(pw);
        } else {
            pw.print("null");
        }

        if (mHScale != 1 || mVScale != 1) {
            pw.println(prefix + "mHScale=" + mHScale
                    + " mVScale=" + mVScale);
        }
        if (mWallpaperX != -1 || mWallpaperY != -1) {
            pw.println(prefix + "mWallpaperX=" + mWallpaperX
                    + " mWallpaperY=" + mWallpaperY);
        }
        if (mWallpaperXStep != -1 || mWallpaperYStep != -1) {
            pw.println(prefix + "mWallpaperXStep=" + mWallpaperXStep
                    + " mWallpaperYStep=" + mWallpaperYStep);
        }
        if (mWallpaperZoomOut != -1) {
            pw.println(prefix + "mWallpaperZoomOut=" + mWallpaperZoomOut);
        }
        if (mWallpaperDisplayOffsetX != Integer.MIN_VALUE
                || mWallpaperDisplayOffsetY != Integer.MIN_VALUE) {
            pw.println(prefix + "mWallpaperDisplayOffsetX=" + mWallpaperDisplayOffsetX
                    + " mWallpaperDisplayOffsetY=" + mWallpaperDisplayOffsetY);
        }
        if (mDrawLock != null) {
            pw.println(prefix + "mDrawLock=" + mDrawLock);
        }
        if (isDragResizing()) {
            pw.println(prefix + "isDragResizing=" + isDragResizing());
        }
        if (computeDragResizing()) {
            pw.println(prefix + "computeDragResizing=" + computeDragResizing());
        }
        pw.println(prefix + "isOnScreen=" + isOnScreen());
        pw.println(prefix + "isVisible=" + isVisible());
        pw.println(prefix + "keepClearAreas: restricted=" + mKeepClearAreas
                          + ", unrestricted=" + mUnrestrictedKeepClearAreas);
        if (dumpAll) {
            final String visibilityString = mRequestedVisibilities.toString();
            if (!visibilityString.isEmpty()) {
                pw.println(prefix + "Requested visibilities: " + visibilityString);
            }
        }
    }