Java Code Examples for android.view.View#measure()

The following examples show how to use android.view.View#measure() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source Project: Tok-Android File: ScreenUtils.java License: GNU General Public License v3.0

6 votes

public static Bitmap shotCommonViewBp(View v) {
    if (null == v) {
        return null;
    }
    v.setDrawingCacheEnabled(true);
    v.buildDrawingCache();
    if (Build.VERSION.SDK_INT >= 11) {
        v.measure(View.MeasureSpec.makeMeasureSpec(v.getWidth(), View.MeasureSpec.EXACTLY),
            View.MeasureSpec.makeMeasureSpec(v.getHeight(), View.MeasureSpec.EXACTLY));
        v.layout((int) v.getX(), (int) v.getY(), (int) v.getX() + v.getMeasuredWidth(),
            (int) v.getY() + v.getMeasuredHeight());
    } else {
        v.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
            View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
        v.layout(0, 0, v.getMeasuredWidth(), v.getMeasuredHeight());
    }
    Bitmap b = Bitmap.createBitmap(v.getDrawingCache(), 0, 0, v.getMeasuredWidth(),
        v.getMeasuredHeight());

    v.setDrawingCacheEnabled(false);
    v.destroyDrawingCache();
    return b;
}

Example 2

Source Project: catnut File: QuickReturnListView.java License: MIT License

6 votes

public void computeScrollRange() {
	scrollRange = 0;
	itemCount = getAdapter().getCount();
	if (itemsOffsetY == null) {
		itemsOffsetY = new int[itemCount];
	}
	for (int i = 0; i < itemCount; i++) {
		View view = getAdapter().getView(i, null, this);
		view.measure(
				MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
				MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)
		);
		itemsOffsetY[i] = scrollRange;
		scrollRange += view.getMeasuredHeight();
	}
	isScrollRangeComputed = true;
}

Example 3

Source Project: Social File: NewsDetailActivity.java License: Apache License 2.0

6 votes

/**
 * 使用自定义的Listview不用调用该方法
 * */
public void setListViewHeightBasedOnChildren(ListView listView) {
    // 获取ListView对应的Adapter
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;
    }

    int totalHeight = 0;
    for (int i = 0, len = listAdapter.getCount(); i < len; i++) {
        // listAdapter.getCount()返回数据项的数目
        View listItem = listAdapter.getView(i, null, listView);
        // 计算子项View 的宽高
        listItem.measure(0, 0);
        // 统计所有子项的总高度
        totalHeight += listItem.getMeasuredHeight();
    }

    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height = totalHeight+ (listView.getDividerHeight() * (listAdapter.getCount() - 1));
    // listView.getDividerHeight()获取子项间分隔符占用的高度
    // params.height最后得到整个ListView完整显示需要的高度
    listView.setLayoutParams(params);
}

Example 4

Source Project: CommentGallery File: CommentImageGrid.java License: Apache License 2.0

6 votes

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    mWidth = MeasureSpec.getSize(widthMeasureSpec);
    mItemWidth = (int) (mWidth - mHorizontalSpace * (mMaxColumnCount - 1)) / mMaxColumnCount;
    int itemHeight = mItemWidth;

    for (int i = 0; i < getChildCount(); ++i) {
        final View child = getChildAt(i);
        if (child.getVisibility() == View.GONE) {
            continue;
        }

        int resultMode = MeasureSpec.EXACTLY;
        int resultSize = mItemWidth;
        int childMeasureSpec = MeasureSpec.makeMeasureSpec(resultSize, resultMode);
        child.measure(childMeasureSpec, childMeasureSpec);
    }

    int height = itemHeight * mRowCount + (int) (mVerticalSpace * (mRowCount - 1));

    setMeasuredDimension(mWidth, height);
}

Example 5

Source Project: LaunchEnr File: Workspace.java License: GNU General Public License v3.0

6 votes

public Bitmap createWidgetBitmap(ItemInfo widgetInfo, View layout) {
    int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo, false, true);
    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);
    mCanvas.setBitmap(b);

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

Example 6

Source Project: wallpaper File: PullToRefreshView.java License: GNU General Public License v2.0

6 votes

private void measureView(View child) {
	ViewGroup.LayoutParams p = child.getLayoutParams();
	if (p == null) {
		p = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,
				ViewGroup.LayoutParams.WRAP_CONTENT);
	}

	int childWidthSpec = ViewGroup.getChildMeasureSpec(0, 0 + 0, p.width);
	int lpHeight = p.height;
	int childHeightSpec;
	if (lpHeight > 0) {
		childHeightSpec = MeasureSpec.makeMeasureSpec(lpHeight,
				MeasureSpec.EXACTLY);
	} else {
		childHeightSpec = MeasureSpec.makeMeasureSpec(0,
				MeasureSpec.UNSPECIFIED);
	}
	child.measure(childWidthSpec, childHeightSpec);
}

Example 7

Source Project: CSipSimple File: IcsListPopupWindow.java License: GNU General Public License v3.0

6 votes

private void measureScrapChild(View child, int position, int widthMeasureSpec) {
    ListView.LayoutParams p = (ListView.LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = new ListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.WRAP_CONTENT, 0);
        child.setLayoutParams(p);
    }
    //XXX p.viewType = mAdapter.getItemViewType(position);
    //XXX p.forceAdd = true;

    int childWidthSpec = ViewGroup.getChildMeasureSpec(widthMeasureSpec,
            mDropDownList.getPaddingLeft() + mDropDownList.getPaddingRight(), p.width);
    int lpHeight = p.height;
    int childHeightSpec;
    if (lpHeight > 0) {
        childHeightSpec = MeasureSpec.makeMeasureSpec(lpHeight, MeasureSpec.EXACTLY);
    } else {
        childHeightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    }
    child.measure(childWidthSpec, childHeightSpec);
}

Example 8

Source Project: graphhopper-navigation-android File: ViewUtils.java License: MIT License

5 votes

public static Bitmap loadBitmapFromView(View view) {
  if (view.getMeasuredHeight() <= 0) {
    view.measure(CoordinatorLayout.LayoutParams.WRAP_CONTENT, CoordinatorLayout.LayoutParams.WRAP_CONTENT);
    Bitmap bitmap = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    view.layout(view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
    view.draw(canvas);
    return bitmap;
  }
  return null;
}

Example 9

Source Project: cannonball-android File: FlowLayout.java License: Apache License 2.0

5 votes

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    int childLeft = getPaddingLeft();
    int childTop = getPaddingTop();
    int lineHeight = 0;
    // 100 is a dummy number, widthMeasureSpec should always be EXACTLY for FlowLayout
    final int myWidth = resolveSize(100, widthMeasureSpec);
    int wantedHeight = 0;
    for (int i = 0; i < getChildCount(); i++) {
        final View child = getChildAt(i);
        if (child.getVisibility() == View.GONE) {
            continue;
        }
        // let the child measure itself
        child.measure(
                getChildMeasureSpec(widthMeasureSpec, getPaddingLeft() + getPaddingRight(),
                        child.getLayoutParams().width),
                getChildMeasureSpec(heightMeasureSpec, getPaddingTop() + getPaddingBottom(),
                        child.getLayoutParams().height));
        final int childWidth = child.getMeasuredWidth();
        final int childHeight = child.getMeasuredHeight();
        // lineheight is the height of current line, should be the height of the heightest view
        lineHeight = Math.max(childHeight, lineHeight);
        if (childWidth + childLeft + getPaddingRight() > myWidth) {
            // wrap this line
            childLeft = getPaddingLeft();
            childTop += paddingVertical + lineHeight;
            lineHeight = childHeight;
        }
        childLeft += childWidth + paddingHorizontal;
    }
    wantedHeight += childTop + lineHeight + getPaddingBottom();
    setMeasuredDimension(myWidth, resolveSize(wantedHeight, heightMeasureSpec));
}

Example 10

Source Project: BubbleCloudView File: BubbleCloudView.java License: MIT License

5 votes

private void addAndMeasureChild(View child) {
    LayoutParams params = child.getLayoutParams();
    if (params == null) {
        params = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
    }
    addViewInLayout(child, -1, params, true);
    child.measure(MeasureSpec.EXACTLY | itemSize, MeasureSpec.EXACTLY | itemSize);
}

Example 11

Source Project: android-instant-apps File: DetailSharedElementEnterCallback.java License: Apache License 2.0

5 votes

private void forceSharedElementLayout(View view) {
    int widthSpec = View.MeasureSpec.makeMeasureSpec(view.getWidth(),
            View.MeasureSpec.EXACTLY);
    int heightSpec = View.MeasureSpec.makeMeasureSpec(view.getHeight(),
            View.MeasureSpec.EXACTLY);
    view.measure(widthSpec, heightSpec);
    view.layout(view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
}

Example 12

Source Project: AndroidPlayground File: FixedHeightLinearLayoutManager.java License: MIT License

5 votes

private void measureScrapChild(RecyclerView.Recycler recycler, int position, int widthSpec,
        int heightSpec, int[] measuredDimension) {

    View view = recycler.getViewForPosition(position);
    if (view.getVisibility() == View.GONE) {
        measuredDimension[0] = 0;
        measuredDimension[1] = 0;
        return;
    }
    // For adding Item Decor Insets to view
    super.measureChildWithMargins(view, 0, 0);
    RecyclerView.LayoutParams p = (RecyclerView.LayoutParams) view.getLayoutParams();
    int childWidthSpec = ViewGroup.getChildMeasureSpec(
            widthSpec,
            getPaddingLeft() + getPaddingRight() + getDecoratedLeft(view) + getDecoratedRight(
                    view),
            p.width);
    int childHeightSpec = ViewGroup.getChildMeasureSpec(
            heightSpec,
            getPaddingTop() + getPaddingBottom() + getDecoratedTop(view) + getDecoratedBottom(
                    view),
            p.height);
    view.measure(childWidthSpec, childHeightSpec);

    // Get decorated measurements
    measuredDimension[0] = getDecoratedMeasuredWidth(view) + p.leftMargin + p.rightMargin;
    measuredDimension[1] = getDecoratedMeasuredHeight(view) + p.bottomMargin + p.topMargin;
    recycler.recycleView(view);
}

Example 13

Source Project: vlayout File: BaseLayoutHelper.java License: MIT License

5 votes

@Override
public void bindLayoutView(@NonNull final View layoutView) {
    layoutView.measure(View.MeasureSpec.makeMeasureSpec(mLayoutRegion.width(), View.MeasureSpec.EXACTLY),
            View.MeasureSpec.makeMeasureSpec(mLayoutRegion.height(), View.MeasureSpec.EXACTLY));
    layoutView.layout(mLayoutRegion.left, mLayoutRegion.top, mLayoutRegion.right, mLayoutRegion.bottom);
    layoutView.setBackgroundColor(mBgColor);

    if (mLayoutViewBindListener != null) {
        mLayoutViewBindListener.onBind(layoutView, this);
    }

    // reset region rectangle
    mLayoutRegion.set(0, 0, 0, 0);
}

Example 14

Source Project: SwipeSelector File: WrappingPager.java License: Apache License 2.0

5 votes

/**
* Copy-paste coding made possible by http://stackoverflow.com/a/20784791
*/
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    int height = 0;
    for (int i = 0; i < getChildCount(); i++) {
        View child = getChildAt(i);
        child.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
        int h = child.getMeasuredHeight();
        if (h > height) height = h;
    }

    heightMeasureSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY);
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}

Example 15

Source Project: VinylMusicPlayer File: TouchInterceptHorizontalScrollView.java License: GNU General Public License v3.0

5 votes

@Override
protected void measureChild(View child, int parentWidthMeasureSpec,
                            int parentHeightMeasureSpec) {
    ViewGroup.LayoutParams lp = child.getLayoutParams();

    final int horizontalPadding = getPaddingLeft() + getPaddingRight();
    final int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(
            Math.max(0, MeasureSpec.getSize(parentWidthMeasureSpec) - horizontalPadding),
            MeasureSpec.UNSPECIFIED);

    final int childHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec,
            getPaddingTop() + getPaddingBottom(), lp.height);
    child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
}

Example 16

Source Project: android-open-project-demo File: HeadView.java License: Apache License 2.0

5 votes

/**
 * 测量view高度的方法
 *
 * @param view  目标视图
 */
private void measureView(View view){
    if(view == null){
        return;
    }
    int w = View.MeasureSpec.makeMeasureSpec(0,View.MeasureSpec.UNSPECIFIED);
    int h = View.MeasureSpec.makeMeasureSpec(0,View.MeasureSpec.UNSPECIFIED);
    view.measure(w, h);
}

Example 17

Source Project: GeometricWeather File: HourlyTrendWidgetIMP.java License: GNU Lesser General Public License v3.0

4 votes

@SuppressLint("WrongThread")
@WorkerThread
private static RemoteViews getRemoteViews(Context context, @Nullable View drawableView,
                                          Location location, int width,
                                          boolean darkCard, int cardAlpha) {
    RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_remote);
    if (drawableView == null) {
        return views;
    }

    WidgetItemView[] items = new WidgetItemView[] {
            drawableView.findViewById(R.id.widget_trend_hourly_item_1),
            drawableView.findViewById(R.id.widget_trend_hourly_item_2),
            drawableView.findViewById(R.id.widget_trend_hourly_item_3),
            drawableView.findViewById(R.id.widget_trend_hourly_item_4),
            drawableView.findViewById(R.id.widget_trend_hourly_item_5),
    };
    for (WidgetItemView i : items) {
        i.setSize(width / 5f);
    }
    drawableView.measure(
            View.MeasureSpec.makeMeasureSpec(width, View.MeasureSpec.EXACTLY),
            View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED)
    );
    drawableView.layout(
            0,
            0,
            drawableView.getMeasuredWidth(),
            drawableView.getMeasuredHeight()
    );

    Bitmap cache = Bitmap.createBitmap(
            drawableView.getMeasuredWidth(),
            drawableView.getMeasuredHeight(),
            Bitmap.Config.ARGB_8888
    );
    Canvas canvas = new Canvas(cache);
    drawableView.draw(canvas);

    views.setImageViewBitmap(R.id.widget_remote_drawable, cache);
    views.setViewVisibility(R.id.widget_remote_progress, View.GONE);

    views.setImageViewResource(
            R.id.widget_remote_card,
            getCardBackgroundId(context, darkCard, cardAlpha)
    );

    setOnClickPendingIntent(
            context,
            views,
            location,
            SettingsOptionManager.getInstance(context).isWidgetClickToRefreshEnabled()
    );

    return views;
}

Example 18

Source Project: dhis2-android-capture-app File: TableViewUtils.java License: BSD 3-Clause "New" or "Revised" License

4 votes

/**
 * Gets the exact width value before the view drawing by main thread.
 */
public static int getWidth(View view) {
    view.measure(LinearLayout.LayoutParams.WRAP_CONTENT, View.MeasureSpec.makeMeasureSpec
            (view.getMeasuredHeight(), View.MeasureSpec.EXACTLY));
    return view.getMeasuredWidth();
}

Example 19

Source Project: TelePlus-Android File: GroupCreateActivity.java License: GNU General Public License v2.0

4 votes

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    int count = getChildCount();
    int width = MeasureSpec.getSize(widthMeasureSpec);
    int maxWidth = width - AndroidUtilities.dp(32);
    int currentLineWidth = 0;
    int y = AndroidUtilities.dp(12);
    int allCurrentLineWidth = 0;
    int allY = AndroidUtilities.dp(12);
    int x;
    for (int a = 0; a < count; a++) {
        View child = getChildAt(a);
        if (!(child instanceof GroupCreateSpan)) {
            continue;
        }
        child.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.AT_MOST), MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(32), MeasureSpec.EXACTLY));
        if (child != removingSpan && currentLineWidth + child.getMeasuredWidth() > maxWidth) {
            y += child.getMeasuredHeight() + AndroidUtilities.dp(12);
            currentLineWidth = 0;
        }
        if (allCurrentLineWidth + child.getMeasuredWidth() > maxWidth) {
            allY += child.getMeasuredHeight() + AndroidUtilities.dp(12);
            allCurrentLineWidth = 0;
        }
        x = AndroidUtilities.dp(16) + currentLineWidth;
        if (!animationStarted) {
            if (child == removingSpan) {
                child.setTranslationX(AndroidUtilities.dp(16) + allCurrentLineWidth);
                child.setTranslationY(allY);
            } else if (removingSpan != null) {
                if (child.getTranslationX() != x) {
                    animators.add(ObjectAnimator.ofFloat(child, "translationX", x));
                }
                if (child.getTranslationY() != y) {
                    animators.add(ObjectAnimator.ofFloat(child, "translationY", y));
                }
            } else {
                child.setTranslationX(x);
                child.setTranslationY(y);
            }
        }
        if (child != removingSpan) {
            currentLineWidth += child.getMeasuredWidth() + AndroidUtilities.dp(9);
        }
        allCurrentLineWidth += child.getMeasuredWidth() + AndroidUtilities.dp(9);
    }
    int minWidth;
    if (AndroidUtilities.isTablet()) {
        minWidth = AndroidUtilities.dp(530 - 32 - 18 - 57 * 2) / 3;
    } else {
        minWidth = (Math.min(AndroidUtilities.displaySize.x, AndroidUtilities.displaySize.y) - AndroidUtilities.dp(32 + 18 + 57 * 2)) / 3;
    }
    if (maxWidth - currentLineWidth < minWidth) {
        currentLineWidth = 0;
        y += AndroidUtilities.dp(32 + 12);
    }
    if (maxWidth - allCurrentLineWidth < minWidth) {
        allY += AndroidUtilities.dp(32 + 12);
    }
    editText.measure(MeasureSpec.makeMeasureSpec(maxWidth - currentLineWidth, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(32), MeasureSpec.EXACTLY));
    if (!animationStarted) {
        int currentHeight = allY + AndroidUtilities.dp(32 + 12);
        int fieldX = currentLineWidth + AndroidUtilities.dp(16);
        fieldY = y;
        if (currentAnimation != null) {
            int resultHeight = y + AndroidUtilities.dp(32 + 12);
            if (containerHeight != resultHeight) {
                animators.add(ObjectAnimator.ofInt(GroupCreateActivity.this, "containerHeight", resultHeight));
            }
            if (editText.getTranslationX() != fieldX) {
                animators.add(ObjectAnimator.ofFloat(editText, "translationX", fieldX));
            }
            if (editText.getTranslationY() != fieldY) {
                animators.add(ObjectAnimator.ofFloat(editText, "translationY", fieldY));
            }
            editText.setAllowDrawCursor(false);
            currentAnimation.playTogether(animators);
            currentAnimation.start();
            animationStarted = true;
        } else {
            containerHeight = currentHeight;
            editText.setTranslationX(fieldX);
            editText.setTranslationY(fieldY);
        }
    } else if (currentAnimation != null) {
        if (!ignoreScrollEvent && removingSpan == null) {
            editText.bringPointIntoView(editText.getSelectionStart());
        }
    }
    setMeasuredDimension(width, containerHeight);
}

Example 20

Source Project: RePlugin-GameSdk File: FunLoginActivity.java License: Apache License 2.0

3 votes

public void setListViewHeightBasedOnChildren(ListView mListView) {

		ListAdapter listAdapter = mListView.getAdapter();

		if (listAdapter == null) {
			return;
		}

		int totalHeight = 0;

		for (int i = 0; i < listAdapter.getCount(); i++) {
			View listItem = listAdapter.getView(i, null, mListView);
			listItem.measure(0, 0);
			totalHeight += listItem.getMeasuredHeight();
		}

		ViewGroup.LayoutParams params = mListView.getLayoutParams();

		params.height = totalHeight
				+ (mListView.getDividerHeight() * (listAdapter.getCount() - 1));

		int margin = HWUtils.dip2px(this, 10);

		((MarginLayoutParams) params)
				.setMargins(margin, margin, margin, margin); // 可删除

		mListView.setLayoutParams(params);
	}