Example usage for android.view View setVisibility

List of usage examples for android.view View setVisibility

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  2. Java
  3. android
  4. android.view.*
  5. View
  6. setVisibility

Introduction

In this page you can find the example usage for android.view View setVisibility.

Prototype

@RemotableViewMethod
public void setVisibility(@Visibility int visibility)

Source Link

Document

Set the visibility state of this view.

Usage

From source file:com.andrewshu.android.reddit.threads.ThreadsListActivity.java

public static void fillThreadsListItemView(int position, View view, ThingInfo item, ListActivity activity,
        HttpClient client, RedditSettings settings,
        ThumbnailOnClickListenerFactory thumbnailOnClickListenerFactory) {

    Resources res = activity.getResources();

    TextView titleView = (TextView) view.findViewById(R.id.title);
    TextView votesView = (TextView) view.findViewById(R.id.votes);
    TextView numCommentsSubredditView = (TextView) view.findViewById(R.id.numCommentsSubreddit);
    TextView nsfwView = (TextView) view.findViewById(R.id.nsfw);
    //        TextView submissionTimeView = (TextView) view.findViewById(R.id.submissionTime);
    ImageView voteUpView = (ImageView) view.findViewById(R.id.vote_up_image);
    ImageView voteDownView = (ImageView) view.findViewById(R.id.vote_down_image);
    View thumbnailContainer = view.findViewById(R.id.thumbnail_view);
    FrameLayout thumbnailFrame = (FrameLayout) view.findViewById(R.id.thumbnail_frame);
    ImageView thumbnailImageView = (ImageView) view.findViewById(R.id.thumbnail);
    ProgressBar indeterminateProgressBar = (ProgressBar) view.findViewById(R.id.indeterminate_progress);

    // Set the title and domain using a SpannableStringBuilder
    SpannableStringBuilder builder = new SpannableStringBuilder();
    String title = item.getTitle();
    if (title == null)
        title = "";
    SpannableString titleSS = new SpannableString(title);
    int titleLen = title.length();
    titleSS.setSpan(//from   w  ww  .j  av  a 2 s  .c  o m
            new TextAppearanceSpan(activity,
                    Util.getTextAppearanceResource(settings.getTheme(), android.R.style.TextAppearance_Large)),
            0, titleLen, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

    String domain = item.getDomain();
    if (domain == null)
        domain = "";
    int domainLen = domain.length();
    SpannableString domainSS = new SpannableString("(" + item.getDomain() + ")");
    domainSS.setSpan(
            new TextAppearanceSpan(activity,
                    Util.getTextAppearanceResource(settings.getTheme(), android.R.style.TextAppearance_Small)),
            0, domainLen + 2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

    if (Util.isLightTheme(settings.getTheme())) {
        if (item.isClicked()) {
            ForegroundColorSpan fcs = new ForegroundColorSpan(res.getColor(R.color.purple));
            titleSS.setSpan(fcs, 0, titleLen, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        } else {
            ForegroundColorSpan fcs = new ForegroundColorSpan(res.getColor(R.color.blue));
            titleSS.setSpan(fcs, 0, titleLen, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
        domainSS.setSpan(new ForegroundColorSpan(res.getColor(R.color.gray_50)), 0, domainLen + 2,
                Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
    } else {
        if (item.isClicked()) {
            ForegroundColorSpan fcs = new ForegroundColorSpan(res.getColor(R.color.gray_50));
            titleSS.setSpan(fcs, 0, titleLen, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
        domainSS.setSpan(new ForegroundColorSpan(res.getColor(R.color.gray_75)), 0, domainLen + 2,
                Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
    }

    builder.append(titleSS).append(" ").append(domainSS);
    titleView.setText(builder);

    votesView.setText("" + item.getScore());
    numCommentsSubredditView.setText(Util.showNumComments(item.getNum_comments()) + "  " + item.getSubreddit());

    if (item.isOver_18()) {
        nsfwView.setVisibility(View.VISIBLE);
    } else {
        nsfwView.setVisibility(View.GONE);
    }

    // Set the up and down arrow colors based on whether user likes
    if (settings.isLoggedIn()) {
        if (item.getLikes() == null) {
            voteUpView.setImageResource(R.drawable.vote_up_gray);
            voteDownView.setImageResource(R.drawable.vote_down_gray);
            votesView.setTextColor(res.getColor(R.color.gray_75));
        } else if (item.getLikes() == true) {
            voteUpView.setImageResource(R.drawable.vote_up_red);
            voteDownView.setImageResource(R.drawable.vote_down_gray);
            votesView.setTextColor(res.getColor(R.color.arrow_red));
        } else {
            voteUpView.setImageResource(R.drawable.vote_up_gray);
            voteDownView.setImageResource(R.drawable.vote_down_blue);
            votesView.setTextColor(res.getColor(R.color.arrow_blue));
        }
    } else {
        voteUpView.setImageResource(R.drawable.vote_up_gray);
        voteDownView.setImageResource(R.drawable.vote_down_gray);
        votesView.setTextColor(res.getColor(R.color.gray_75));
    }

    // Thumbnails open links
    if (thumbnailContainer != null) {
        if (Common.shouldLoadThumbnails(activity, settings)) {
            thumbnailContainer.setVisibility(View.VISIBLE);

            if (item.getUrl() != null) {
                OnClickListener thumbnailOnClickListener = thumbnailOnClickListenerFactory
                        .getThumbnailOnClickListener(item, activity);
                if (thumbnailOnClickListener != null) {
                    thumbnailFrame.setOnClickListener(thumbnailOnClickListener);
                }
            }

            // Show thumbnail based on ThingInfo
            if ("default".equals(item.getThumbnail()) || "self".equals(item.getThumbnail())
                    || StringUtils.isEmpty(item.getThumbnail())) {
                indeterminateProgressBar.setVisibility(View.GONE);
                thumbnailImageView.setVisibility(View.VISIBLE);
                thumbnailImageView.setImageResource(R.drawable.go_arrow);
            } else {
                indeterminateProgressBar.setVisibility(View.GONE);
                thumbnailImageView.setVisibility(View.VISIBLE);
                if (item.getThumbnailBitmap() != null) {
                    thumbnailImageView.setImageBitmap(item.getThumbnailBitmap());
                } else {
                    thumbnailImageView.setImageBitmap(null);
                    new ShowThumbnailsTask(activity, client, R.drawable.go_arrow)
                            .execute(new ThumbnailLoadAction(item, thumbnailImageView, position));
                }
            }

            // Set thumbnail background based on current theme
            if (Util.isLightTheme(settings.getTheme()))
                thumbnailFrame.setBackgroundResource(R.drawable.thumbnail_background_light);
            else
                thumbnailFrame.setBackgroundResource(R.drawable.thumbnail_background_dark);
        } else {
            // if thumbnails disabled, hide thumbnail icon
            thumbnailContainer.setVisibility(View.GONE);
        }
    }
}

From source file:com.aidy.launcher3.ui.workspace.Workspace.java

public Bitmap createWidgetBitmap(ItemInfoBean widgetInfo, View layout) {
    int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo.spanX, widgetInfo.spanY,
            widgetInfo, false);/*  w w w  .  j a  v a2s. c o m*/
    int visibility = layout.getVisibility();
    layout.setVisibility(VISIBLE);

    int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY);
    int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY);
    Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1], Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(b);

    layout.measure(width, height);
    layout.layout(0, 0, unScaledSize[0], unScaledSize[1]);
    layout.draw(c);
    c.setBitmap(null);
    layout.setVisibility(visibility);
    return b;
}

From source file:ca.co.rufus.androidboilerplate.ui.DebugDrawerLayout.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    mInLayout = true;//from   w ww  . j ava 2 s. c  om
    final int width = r - l;
    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);

        if (child.getVisibility() == GONE) {
            continue;
        }

        final LayoutParams lp = (LayoutParams) child.getLayoutParams();

        if (isContentView(child)) {
            child.layout(lp.leftMargin, lp.topMargin, lp.leftMargin + child.getMeasuredWidth(),
                    lp.topMargin + child.getMeasuredHeight());
        } else { // Drawer, if it wasn't onMeasure would have thrown an exception.
            final int childWidth = child.getMeasuredWidth();
            final int childHeight = child.getMeasuredHeight();
            int childLeft;

            final float newOffset;
            if (checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) {
                childLeft = -childWidth + (int) (childWidth * lp.onScreen);
                newOffset = (float) (childWidth + childLeft) / childWidth;
            } else { // Right; onMeasure checked for us.
                childLeft = width - (int) (childWidth * lp.onScreen);
                newOffset = (float) (width - childLeft) / childWidth;
            }

            final boolean changeOffset = newOffset != lp.onScreen;

            final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK;

            switch (vgrav) {
            default:
            case Gravity.TOP: {
                child.layout(childLeft, lp.topMargin, childLeft + childWidth, lp.topMargin + childHeight);
                break;
            }

            case Gravity.BOTTOM: {
                final int height = b - t;
                child.layout(childLeft, height - lp.bottomMargin - child.getMeasuredHeight(),
                        childLeft + childWidth, height - lp.bottomMargin);
                break;
            }

            case Gravity.CENTER_VERTICAL: {
                final int height = b - t;
                int childTop = (height - childHeight) / 2;

                // Offset for margins. If things don't fit right because of
                // bad measurement before, oh well.
                if (childTop < lp.topMargin) {
                    childTop = lp.topMargin;
                } else if (childTop + childHeight > height - lp.bottomMargin) {
                    childTop = height - lp.bottomMargin - childHeight;
                }
                child.layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight);
                break;
            }
            }

            if (changeOffset) {
                setDrawerViewOffset(child, newOffset);
            }

            final int newVisibility = lp.onScreen > 0 ? VISIBLE : INVISIBLE;
            if (child.getVisibility() != newVisibility) {
                child.setVisibility(newVisibility);
            }
        }
    }
    mInLayout = false;
    mFirstLayout = false;
}

From source file:com.aidy.launcher3.ui.workspace.Workspace.java

public void startDrag(CellLayout.CellInfo cellInfo) {
    View child = cellInfo.cell;

    // Make sure the drag was started by a long press as opposed to a long
    // click./*from   ww  w .j  a va2 s. c  om*/
    if (!child.isInTouchMode()) {
        return;
    }

    mDragInfo = cellInfo;
    child.setVisibility(INVISIBLE);
    CellLayout layout = (CellLayout) child.getParent().getParent();
    layout.prepareChildForDrag(child);

    child.clearFocus();
    child.setPressed(false);

    final Canvas canvas = new Canvas();

    // The outline is used to visualize where the item will land if dropped
    mDragOutline = createDragOutline(child, canvas, DRAG_BITMAP_PADDING);
    beginDragShared(child, this);
}

From source file:self.philbrown.droidQuery.$.java

/**
 * Sets the visibility of the current selection to {@link View#VISIBLE}
 * @return this//from w  ww  . j a va 2s .  c o m
 */
public $ hide() {
    for (View view : views) {
        view.setVisibility(View.VISIBLE);
    }
    return this;
}

From source file:self.philbrown.droidQuery.$.java

/**
 * Sets the visibility of this {@link #view} to {@link View#INVISIBLE}
 * @return this//from w ww.  j  a va 2  s  .c om
 */
public $ show() {
    for (View view : views) {
        view.setVisibility(View.INVISIBLE);
    }
    return this;
}

From source file:ca.taglab.PictureFrame.ScreenSlidePageFragment.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    // Inflate the layout containing a title and body text.
    final ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment_screen_slide_page, container,
            false);/*from www . j a  v  a 2s .c o m*/

    Bitmap picture = BitmapFactory.decodeFile(mImgPath);
    rootView.setBackground(new BitmapDrawable(getResources(), picture));

    mConfirmation = (ImageView) rootView.findViewById(R.id.confirm);

    ((TextView) rootView.findViewById(R.id.name)).setText(mName);
    rootView.findViewById(R.id.control).getBackground().setAlpha(200);

    optionsOpen = false;

    mMsgHistory = rootView.findViewById(R.id.msg);
    mMsgHistory.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent = new Intent(getActivity(), MessagesActivity.class);
            intent.putExtra("user_name", mName);
            intent.putExtra("user_id", mId);
            intent.putExtra("owner_id", mOwnerId);
            startActivity(intent);
            hideOptions();
        }
    });

    mPhoto = rootView.findViewById(R.id.photo);
    mPhoto.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            try {
                String filename = String.valueOf(System.currentTimeMillis()) + ".jpg";
                ContentValues values = new ContentValues();
                values.put(MediaStore.Images.Media.TITLE, filename);
                mCapturedImageURI = getActivity().getContentResolver()
                        .insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);

                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                intent.putExtra(MediaStore.EXTRA_OUTPUT, mCapturedImageURI);
                startActivityForResult(intent, CAPTURE_PICTURE);
                hideOptions();
            } catch (Exception e) {
                Log.e(TAG, "Camera intent failed");
            }
        }
    });

    mVideo = rootView.findViewById(R.id.video);
    mVideo.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            try {
                String filename = String.valueOf(System.currentTimeMillis()) + ".3gp";
                ContentValues values = new ContentValues();
                values.put(MediaStore.Video.Media.TITLE, filename);
                mCapturedVideoURI = getActivity().getContentResolver()
                        .insert(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, values);

                Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
                intent.putExtra(MediaStore.EXTRA_OUTPUT, mCapturedVideoURI);
                startActivityForResult(intent, CAPTURE_VIDEO);
                hideOptions();
            } catch (Exception e) {
                Log.e(TAG, "Video intent failed");
            }
        }
    });

    mAudio = rootView.findViewById(R.id.audio);
    mAudio.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            try {
                Intent intent = new Intent(getActivity(), AudioRecorderActivity.class);
                startActivityForResult(intent, CAPTURE_AUDIO);
                hideOptions();
            } catch (Exception e) {
                Log.e(TAG, "Audio intent failed");
            }
        }
    });

    mWave = rootView.findViewById(R.id.wave);
    mWave.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            try {
                new SendEmailAsyncTask(getActivity(), mEmail, "PictureFrame: I'm thinking of you",
                        "Wave sent via PictureFrame", null).execute();
                //Toast.makeText(getActivity(), "Wave sent to: " + mEmail, Toast.LENGTH_SHORT).show();
                hideOptions();
                messageSent(v);
            } catch (Exception e) {
                Log.e("SendEmailAsyncTask", e.getMessage(), e);
                //Toast.makeText(getActivity(), "Wave to " + mEmail + " failed", Toast.LENGTH_SHORT).show();
            }
        }
    });

    mCancel = rootView.findViewById(R.id.close);

    mPhoto.getBackground().setAlpha(200);
    mVideo.getBackground().setAlpha(200);
    mAudio.getBackground().setAlpha(200);
    mWave.getBackground().setAlpha(200);

    mShortAnimationDuration = getResources().getInteger(android.R.integer.config_shortAnimTime);
    mLongAnimationDuration = getResources().getInteger(android.R.integer.config_longAnimTime);

    rootView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!optionsOpen)
                showOptions();
        }
    });

    mCancel.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (optionsOpen)
                hideOptions();
        }
    });

    Cursor unread = getActivity().getContentResolver().query(UserContentProvider.MESSAGE_CONTENT_URI,
            MessageTable.PROJECTION,
            MessageTable.COL_TO_ID + "=? AND " + MessageTable.COL_FROM_ID + "=? AND " + MessageTable.COL_READ
                    + "=?",
            new String[] { Long.toString(mOwnerId), Long.toString(mId), Long.toString(0) }, null);
    if (unread != null && unread.moveToFirst()) {
        rootView.findViewById(R.id.notification).setVisibility(View.VISIBLE);
        rootView.findViewById(R.id.notification).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(getActivity(), MessagesActivity.class);
                intent.putExtra("user_name", mName);
                intent.putExtra("user_id", mId);
                intent.putExtra("owner_id", mOwnerId);
                startActivity(intent);
                v.setVisibility(View.INVISIBLE);
            }
        });
    }
    if (unread != null) {
        unread.close();
    }

    return rootView;
}

From source file:cc.flydev.launcher.Workspace.java

public void animateWidgetDrop(ItemInfo info, CellLayout cellLayout, DragView dragView,
        final Runnable onCompleteRunnable, int animationType, final View finalView, boolean external) {
    Rect from = new Rect();
    mLauncher.getDragLayer().getViewRectRelativeToSelf(dragView, from);

    int[] finalPos = new int[2];
    float scaleXY[] = new float[2];
    boolean scalePreview = !(info instanceof PendingAddShortcutInfo);
    getFinalPositionForDropAnimation(finalPos, scaleXY, dragView, cellLayout, info, mTargetCell, external,
            scalePreview);//from w  ww.j a  v a 2 s  .co  m

    Resources res = mLauncher.getResources();
    int duration = res.getInteger(R.integer.config_dropAnimMaxDuration) - 200;

    // In the case where we've prebound the widget, we remove it from the DragLayer
    if (finalView instanceof AppWidgetHostView && external) {
        Log.d(TAG, "6557954 Animate widget drop, final view is appWidgetHostView");
        mLauncher.getDragLayer().removeView(finalView);
    }
    if ((animationType == ANIMATE_INTO_POSITION_AND_RESIZE || external) && finalView != null) {
        Bitmap crossFadeBitmap = createWidgetBitmap(info, finalView);
        dragView.setCrossFadeBitmap(crossFadeBitmap);
        dragView.crossFade((int) (duration * 0.8f));
    } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET && external) {
        scaleXY[0] = scaleXY[1] = Math.min(scaleXY[0], scaleXY[1]);
    }

    DragLayer dragLayer = mLauncher.getDragLayer();
    if (animationType == CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION) {
        mLauncher.getDragLayer().animateViewIntoPosition(dragView, finalPos, 0f, 0.1f, 0.1f,
                DragLayer.ANIMATION_END_DISAPPEAR, onCompleteRunnable, duration);
    } else {
        int endStyle;
        if (animationType == ANIMATE_INTO_POSITION_AND_REMAIN) {
            endStyle = DragLayer.ANIMATION_END_REMAIN_VISIBLE;
        } else {
            endStyle = DragLayer.ANIMATION_END_DISAPPEAR;
            ;
        }

        Runnable onComplete = new Runnable() {
            @Override
            public void run() {
                if (finalView != null) {
                    finalView.setVisibility(VISIBLE);
                }
                if (onCompleteRunnable != null) {
                    onCompleteRunnable.run();
                }
            }
        };
        dragLayer.animateViewIntoPosition(dragView, from.left, from.top, finalPos[0], finalPos[1], 1, 1, 1,
                scaleXY[0], scaleXY[1], onComplete, endStyle, duration, this);
    }
}

From source file:com.aidy.launcher3.ui.workspace.Workspace.java

public void animateWidgetDrop(ItemInfoBean info, CellLayout cellLayout, DragView dragView,
        final Runnable onCompleteRunnable, int animationType, final View finalView, boolean external) {
    Rect from = new Rect();
    mLauncher.getDragLayer().getViewRectRelativeToSelf(dragView, from);

    int[] finalPos = new int[2];
    float scaleXY[] = new float[2];
    boolean scalePreview = !(info instanceof PendingAddShortcutInfo);
    getFinalPositionForDropAnimation(finalPos, scaleXY, dragView, cellLayout, info, mTargetCell, external,
            scalePreview);//from   w w w.  j  a va2 s.  c  om

    Resources res = mLauncher.getResources();
    int duration = res.getInteger(R.integer.config_dropAnimMaxDuration) - 200;

    // In the case where we've prebound the widget, we remove it from the
    // DragLayer
    if (finalView instanceof AppWidgetHostView && external) {
        Log.d(TAG, "6557954 Animate widget drop, final view is appWidgetHostView");
        mLauncher.getDragLayer().removeView(finalView);
    }
    if ((animationType == ANIMATE_INTO_POSITION_AND_RESIZE || external) && finalView != null) {
        Bitmap crossFadeBitmap = createWidgetBitmap(info, finalView);
        dragView.setCrossFadeBitmap(crossFadeBitmap);
        dragView.crossFade((int) (duration * 0.8f));
    } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET && external) {
        scaleXY[0] = scaleXY[1] = Math.min(scaleXY[0], scaleXY[1]);
    }

    DragLayer dragLayer = mLauncher.getDragLayer();
    if (animationType == CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION) {
        mLauncher.getDragLayer().animateViewIntoPosition(dragView, finalPos, 0f, 0.1f, 0.1f,
                DragLayer.ANIMATION_END_DISAPPEAR, onCompleteRunnable, duration);
    } else {
        int endStyle;
        if (animationType == ANIMATE_INTO_POSITION_AND_REMAIN) {
            endStyle = DragLayer.ANIMATION_END_REMAIN_VISIBLE;
        } else {
            endStyle = DragLayer.ANIMATION_END_DISAPPEAR;
            ;
        }

        Runnable onComplete = new Runnable() {
            @Override
            public void run() {
                if (finalView != null) {
                    finalView.setVisibility(VISIBLE);
                }
                if (onCompleteRunnable != null) {
                    onCompleteRunnable.run();
                }
            }
        };
        dragLayer.animateViewIntoPosition(dragView, from.left, from.top, finalPos[0], finalPos[1], 1, 1, 1,
                scaleXY[0], scaleXY[1], onComplete, endStyle, duration, this);
    }
}

From source file:com.aidy.bottomdrawerlayout.AllDrawerLayout.java

/**
 * 12-03 22:59:19.686: I/BottomDrawerLayout(12480): onLayout() -- left = 0
 * -- top = 0 -- right = 1080 -- b = 1675 12-03 22:59:19.686:
 * I/BottomDrawerLayout(12480): onLayout() -- childWidth = 750 --
 * childHeight = 1675 -- lp.onScreen = 0.0 12-03 22:59:19.686:
 * I/BottomDrawerLayout(12480): onLayout() -- childLeft = -750 -- newOffset
 * = 0.0 12-03 22:59:19.686: I/BottomDrawerLayout(12480): onLayout() --
 * childWidth = 750 -- childHeight = 1675 -- lp.onScreen = 0.0 12-03
 * 22:59:19.686: I/BottomDrawerLayout(12480): onLayout() -- childLeft = 1080
 * -- newOffset = 0.0//from  ww w. j  a va2  s  . c om
 */
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    Log.i(TAG, "onLayout() -- left = " + l + " -- top = " + t + " -- right = " + r + " -- b = " + b);
    mInLayout = true;
    final int width = r - l;// 
    final int height = b - t;// 
    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        if (child.getVisibility() == GONE) {
            continue;
        }
        final LayoutParams lp = (LayoutParams) child.getLayoutParams();
        if (isContentView(child)) {
            child.layout(lp.leftMargin, lp.topMargin, lp.leftMargin + child.getMeasuredWidth(),
                    lp.topMargin + child.getMeasuredHeight());
        } else {
            // ?view
            final int childWidth = child.getMeasuredWidth();
            final int childHeight = child.getMeasuredHeight();
            // Log.i(TAG, "onLayout() -- childWidth = " + childWidth +
            // " -- childHeight = " + childHeight
            // + " -- lp.onScreen = " + lp.onScreen);
            int childLeft = 0;// 
            int childTop = 0;// 
            float newOffset = 0;// 

            switch (getDrawerViewAbsoluteGravity(child)) {
            case Gravity.LEFT:
                if (checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) {
                    // Log.i(TAG, "onLayout() -- 1");
                    childLeft = -childWidth + (int) (childWidth * lp.onScreen);
                    newOffset = (float) (childWidth + childLeft) / childWidth;// ?
                }
                break;
            case Gravity.RIGHT:
                if (checkDrawerViewAbsoluteGravity(child, Gravity.RIGHT)) {
                    // Log.i(TAG, "onLayout() -- 2");
                    childLeft = width - (int) (childWidth * lp.onScreen);
                    newOffset = (float) (width - childLeft) / childWidth;// ?
                }
                break;
            case Gravity.TOP:
                if (checkDrawerViewAbsoluteGravity(child, Gravity.TOP)) {
                    // Log.i(TAG, "onLayout() -- 3");
                    childTop = -childHeight + (int) (childHeight * lp.onScreen);
                    newOffset = (float) (childHeight + childTop) / childHeight;// ?
                }
                break;
            case Gravity.BOTTOM:
                if (checkDrawerViewAbsoluteGravity(child, Gravity.BOTTOM)) {
                    // Log.i(TAG, "onLayout() -- 4");
                    childTop = height - (int) (childHeight * lp.onScreen);
                    newOffset = (float) (height - childTop) / childHeight;// ?
                }
                break;
            default:
                childTop = height - (int) (childHeight * lp.onScreen);
                newOffset = (float) (height - childTop) / childHeight;// ?
                break;
            }
            // /////////////////////////////////////////
            // Log.i(TAG, "onLayout() -- childLeft = " + childLeft +
            // " -- newOffset = " + newOffset);
            final boolean changeOffset = newOffset != lp.onScreen;
            final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK;
            switch (vgrav) {
            // case Gravity.TOP: {
            // Log.i(TAG, "onLayout() -- Gravity.TOP");
            // child.layout(childLeft, lp.topMargin, childLeft + childWidth,
            // lp.topMargin + childHeight);
            // break;
            // }
            // case Gravity.BOTTOM: {
            // Log.i(TAG, "onLayout() -- Gravity.BOTTOM");
            // child.layout(childLeft, height - lp.bottomMargin -
            // child.getMeasuredHeight(), childLeft
            // + childWidth, height - lp.bottomMargin);
            // break;
            // }
            case Gravity.CENTER_VERTICAL: {
                // Log.i(TAG, "onLayout() -- Gravity.CENTER_VERTICAL");
                int childTop_cv = (height - childHeight) / 2;

                // Offset for margins. If things don't fit right because of
                // bad measurement before, oh well.
                if (childTop_cv < lp.topMargin) {
                    childTop_cv = lp.topMargin;
                } else if (childTop_cv + childHeight > height - lp.bottomMargin) {
                    childTop_cv = height - lp.bottomMargin - childHeight;
                }
                child.layout(childLeft, childTop_cv, childLeft + childWidth, childTop_cv + childHeight);
                break;
            }
            }

            // /////////////////////////////////////////

            if (changeOffset) {
                setDrawerViewOffset(child, newOffset);
            }

            final int newVisibility = lp.onScreen > 0 ? VISIBLE : INVISIBLE;
            if (child.getVisibility() != newVisibility) {
                child.setVisibility(newVisibility);
            }
        }
    }
    mInLayout = false;
    mFirstLayout = false;
}