How to get height of text with fixed width and get text length which fits in a frame?

Question

well, I\'ve managed to fit all my questions in the title. I need to break a long text in to columns/frames and layout them in to view. I\'ve been digging for solutions for a

Answer 1

I don't know the exact answer to your question, but generally you can calculate the width and height of a text based on the font type and size using methods available in the graphical library.

I've done it in C# and Java. in C# it's called "MeasureString", and in Java, "FontMetrics".

EDIT:

See if this code is useful ( I haven't compiled it because I don't have android SDK here):

    String myText="";       
    String tempStr="";

    int startIndex=0;
    int endIndex=0;

    //calculate end index that fits
    endIndex=myPaint.breakText(myTest, true, frameWidth, null)-1;   

    //substring that fits into the frame
    tempStr=myText.substring(startIndex,endIndex);

    while(endIndex < myText.length()-1)
    {           

        //draw or add tempStr to the Frame
        //at this point 

        //set new start index
        startIndex=endIndex+1;

        //substring the remaining of text
        tempStr=myText.substring(startIndex,myText.length()-1);

        //calculate end of index that fits
        endIndex=myPaint.breakText(tempStr, true, frameWidth, null)-1;  

        //substring that fits into the frame
        tempStr=myText.substring(startIndex,endIndex);
    }

Similar methods are available for Android:

breakText(String text, boolean measureForwards, float maxWidth, float[] measuredWidth)

Measure the text, stopping early if the measured width exceeds maxWidth.

measureText(String text)

Return the width of the text.

http://developer.android.com/reference/android/graphics/Paint.html