get TextView Value By Line - Android User Interface

Android examples for User Interface:TextView Value

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  4. TextView Value

Description

get TextView Value By Line

Demo Code


//package com.java2s;
import android.text.Layout;

import android.view.ViewTreeObserver;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;

public class Main {

    public static List<String> getValueByLine(final TextView tv) {
        final ArrayList<String> list = new ArrayList<String>();
        ViewTreeObserver vo = tv.getViewTreeObserver();
        vo.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
            @Override//ww w . ja v a  2s.c o  m
            public void onGlobalLayout() {
                Layout layout = tv.getLayout();
                int lines = layout.getLineCount();
                String text = layout.getText().toString();
                for (int i = 0; i < lines; i++) {
                    int start = layout.getLineStart(i);
                    int end = layout.getLineEnd(i);
                    String temp = text.substring(start, end);
                    list.add(temp);
                }
            }
        });

        return list;
    }
}

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