Java TextView.getMeasuredWidth方法代码示例

import android.widget.TextView; //导入方法依赖的package包/类
private void drawLabels() {
    List<Float> indicatorPosition = mStepsViewIndicator.getThumbContainerXPosition();

    if (mLabels != null) {
        for (int i = 0; i < mLabels.length; i++) {
            TextView textView = new TextView(getContext());
            textView.setText(mLabels[i]);
            textView.setTextColor(mLabelColorIndicator);
            textView.setTextSize(mLabelTextSize);
            textView.setGravity(Gravity.CENTER);
            textView.setLayoutParams(
                    new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
                            ViewGroup.LayoutParams.WRAP_CONTENT));
            textView.measure(0, 0);
            float textWidth = textView.getMeasuredWidth();
            textView.setX(indicatorPosition.get(i) - (textWidth / 2));

            mLabelsLayout.addView(textView);
        }
    }
}
 

import android.widget.TextView; //导入方法依赖的package包/类
public static void setMdText(@NonNull TextView textView, String markdown) {
    if (!InputHelper.isEmpty(markdown)) {
        int width = textView.getMeasuredWidth();
        if (width > 0) {
            render(textView, markdown, width);
        } else {
            textView.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
                @Override public boolean onPreDraw() {
                    textView.getViewTreeObserver().removeOnPreDrawListener(this);
                    render(textView, markdown, textView.getMeasuredWidth());
                    return true;
                }
            });
        }
    }
}
 

import android.widget.TextView; //导入方法依赖的package包/类
public Bitmap createLabelBitmap(String label) {
       if (DBG) Log.d(TAG, "createLabelBitmap : label="+ label);

       mLabelView = (TextView)mLayoutInflater.inflate(R.layout.cover_roll_label, null);
	mLabelView.setText(label);
	mLabelView.setLayoutParams( new FrameLayout.LayoutParams(NO_SIZE_LIMIT,NO_SIZE_LIMIT) );
	mLabelView.measure(NO_SIZE_LIMIT, NO_SIZE_LIMIT);
	final int width = mLabelView.getMeasuredWidth();
	final int height = mLabelView.getMeasuredHeight();
	if(DBG) Log.d(TAG, "createLabelBitmap: mLabelView size = "+width+"x"+height);
	mLabelView.layout(0, 0, width, height);

       StaticLayout textLayout = null;
       if (isRtlLabel()) {
           // Archos hack : when a right-to-left language is selected calling TextView.draw()
           // draws the background but not the text, so also call TextLayout.draw() which works
           textLayout = createTextLayout(label, Color.LTGRAY, mContentLabelFontsize, width);
       }
       return createViewBitmap(mLabelView, textLayout, width, height, ALIGN_BOTTOM);
}
 

import android.widget.TextView; //导入方法依赖的package包/类
public void showInfoGame(GridView layout) {
    int colWidth = 0;

    if (getCount() > 0) {
        // Use the first item to measure the column width
        TextView tempView = createTextView(getItem(0));
        tempView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        tempView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
        colWidth = tempView.getMeasuredWidth();
    }
    layout.setColumnWidth(colWidth);
    layout.requestLayout();
}
 

import android.widget.TextView; //导入方法依赖的package包/类
private int measureNumColumns(ViewGroup layout, CharSequence item, CharSequence title) {
    int colWidth = 0;
    int viewWidth = 0;

    if (getSize() > 0) {
        // Use the first item to measure the column width
        TextView tempView = createTextView(item);
        tempView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        tempView.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
        colWidth = tempView.getMeasuredWidth() + 4;
        // Stack overflow when called just after resized layout !?
        viewWidth = layout.getWidth();
        // If table layout not inflated yet, use device width
        if (viewWidth <= 0) {
            viewWidth = mRes.getDisplayMetrics().widthPixels - 2 * mRes.getDimensionPixelOffset(R.dimen.activity_horizontal_margin);
        }
        if (title != null) {
            tempView = createTextView(title);
            tempView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
            tempView.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
            viewWidth -= tempView.getMeasuredWidth();
        }
    }
    if (colWidth != 0) {
        return Math.max(1, viewWidth/colWidth);
    } else {
        return 1;
    }
}
 

import android.widget.TextView; //导入方法依赖的package包/类
public static Point MeasureString(Context context, String text, float fontSize, int widthMeasureSpec, int heightMeasureSpec) {
    int width = 0;
    int height = 0;

    if (null == context || null == text || text.isEmpty() || 0 == fontSize) {
        return null;
    }

    TextView tv = new TextView(context);

    tv.setText(text);// 待测文本
    tv.setTextSize(fontSize);// 字体

    if (ViewGroup.LayoutParams.WRAP_CONTENT != widthMeasureSpec && ViewGroup.LayoutParams.MATCH_PARENT != widthMeasureSpec) {
        tv.setWidth(widthMeasureSpec);// 如果设置了宽度，字符串的宽度则为所设置的宽度
    }

    if (ViewGroup.LayoutParams.WRAP_CONTENT != heightMeasureSpec && ViewGroup.LayoutParams.MATCH_PARENT != heightMeasureSpec) {
        tv.setHeight(heightMeasureSpec);
    }

    tv.setSingleLine(false);// 多行

    tv.measure(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT);

    width = tv.getMeasuredWidth();
    height = tv.getMeasuredHeight();

    Point point = new Point();
    point.x = width;
    point.y = height;

    return point;
}
 

import android.widget.TextView; //导入方法依赖的package包/类
private int getMeasuredWidth(@NonNull Context context) {
    DisplayMetrics metrics = new DisplayMetrics();
    ((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(metrics);

    int maxWidth = context.getResources().getDimensionPixelSize(R.dimen.tooltip_max_width);
    int minWidth = context.getResources().getDimensionPixelSize(R.dimen.tooltip_min_width);
    String longestText = mBuilder.mContent;
    if (mBuilder.mContent.length() < mBuilder.mDesc.length()) {
        longestText = mBuilder.mDesc;
    }

    int padding = context.getResources().getDimensionPixelSize(R.dimen.content_margin);
    TextView textView = new TextView(context);
    textView.setPadding(padding, 0, padding, 0);
    textView.setTypeface(TypefaceHelper.getRegular(context));
    textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, context.getResources()
            .getDimension(R.dimen.text_content_subtitle));
    textView.setText(longestText);

    int widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(metrics.widthPixels, View.MeasureSpec.AT_MOST);
    int heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
    textView.measure(widthMeasureSpec, heightMeasureSpec);

    int measuredWidth = textView.getMeasuredWidth() + padding;
    if (measuredWidth <= minWidth) {
        return minWidth;
    }

    if (measuredWidth >= minWidth && measuredWidth <= maxWidth) {
        return measuredWidth;
    }
    return maxWidth;
}
 

import android.widget.TextView; //导入方法依赖的package包/类
private int getMeasuredWidth(@NonNull Context context) {
    DisplayMetrics metrics = new DisplayMetrics();
    ((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(metrics);

    int maxWidth = context.getResources().getDimensionPixelSize(R.dimen.popup_max_width);
    int minWidth = context.getResources().getDimensionPixelSize(R.dimen.popup_min_width);
    String longestText = "";
    for (PopupItem item : mAdapter.getItems()) {
        if (item.getTitle().length() > longestText.length())
            longestText = item.getTitle();
    }

    int padding = context.getResources().getDimensionPixelSize(R.dimen.content_margin);
    int iconSize = context.getResources().getDimensionPixelSize(R.dimen.icon_size_small);
    TextView textView = new TextView(context);
    textView.setLayoutParams(new ViewGroup.LayoutParams(
            ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    textView.setTypeface(TypefaceHelper.getRegular(context));
    textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, context.getResources()
            .getDimension(R.dimen.text_content_subtitle));
    textView.setPadding(padding + iconSize + padding, 0, padding, 0);
    textView.setText(longestText);

    int widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(metrics.widthPixels, View.MeasureSpec.AT_MOST);
    int heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
    textView.measure(widthMeasureSpec, heightMeasureSpec);

    int measuredWidth = textView.getMeasuredWidth() + padding;
    if (measuredWidth <= minWidth) {
        return minWidth;
    }

    if (measuredWidth >= minWidth && measuredWidth <= maxWidth) {
        return measuredWidth;
    }
    return maxWidth;
}
 

import android.widget.TextView; //导入方法依赖的package包/类
private void layoutDebugInfo(final int positionInStrip, final ViewGroup placerView,
        final int x) {
    final TextView debugInfoView = mDebugInfoViews.get(positionInStrip);
    final CharSequence debugInfo = debugInfoView.getText();
    if (debugInfo == null) {
        return;
    }
    placerView.addView(debugInfoView);
    debugInfoView.measure(
            ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    final int infoWidth = debugInfoView.getMeasuredWidth();
    final int y = debugInfoView.getMeasuredHeight();
    ViewLayoutUtils.placeViewAt(
            debugInfoView, x - infoWidth, y, infoWidth, debugInfoView.getMeasuredHeight());
}
 

import android.widget.TextView; //导入方法依赖的package包/类
/**
 * Ensures that a TextView is wide enough to contain its text without
 * wrapping or clipping. Measures the specified view and sets the minimum
 * width to the view's desired width.
 *
 * @param v the text view to measure
 */
private static void ensureMinimumTextWidth(TextView v) {
    v.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);

    // Set both the TextView and the View version of minimum
    // width because they are subtly different.
    final int minWidth = v.getMeasuredWidth();
    v.setMinWidth(minWidth);
    v.setMinimumWidth(minWidth);
}