自己实现的一个不会奇奇怪怪换行的TextView.

import android.content.Context;import android.content.res.Resources;import android.graphics.Canvas;import android.text.Layout;import android.text.StaticLayout;import android.text.TextPaint;import android.util.AttributeSet;import android.util.TypedValue;import android.view.View;import android.view.ViewTreeObserver;import java.util.ArrayList;import java.util.List;/** * Created by songxun.sx on 2015/7/20. */public class TextDrawView extends View {    private int textColor = 0xffafafaf;    private float textSize = 12;    private String textToDraw = "";    private List<String> textLines=new ArrayList<String>();    private float lineMul=1.3f;    TextPaint textPaint;    public TextDrawView(Context context) {        super(context);        init();    }    public TextDrawView(Context context, AttributeSet attrs) {        super(context, attrs);        init();    }    public TextDrawView(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        init();    }    public void init() {        textPaint = new TextPaint();        textPaint.setAntiAlias(true);        setTextColor(textColor);        setTextSize(textSize);    }    public void setTextColor(int textColor) {        this.textColor = textColor;        textPaint.setColor(textColor);    }    /**     * µ¥Î»sp     */    public void setTextSize(float textSize) {        Context context = this.getContext();        Resources r = Resources.getSystem();        if (context != null) {            r = context.getResources();        }        this.textSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, textSize, r.getDisplayMetrics());        textPaint.setTextSize(this.textSize);    }    public void setText(String textToDraw) {        if (textToDraw == null) {            return;        }        this.textToDraw = textToDraw;        invalidate();    }    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        super.onMeasure(widthMeasureSpec, heightMeasureSpec);        textLines.clear();        while (textToDraw.length() > 0) {            int size = textPaint.breakText(textToDraw, true, getMeasuredWidth(),                    null);            textLines.add(textToDraw.substring(0, size));            textToDraw = textToDraw.substring(size);        }        int width, height;        int widthMode = MeasureSpec.getMode(widthMeasureSpec);        int heightMode = MeasureSpec.getMode(heightMeasureSpec);        int widthSize = MeasureSpec.getSize(widthMeasureSpec);        int heightSize = MeasureSpec.getSize(heightMeasureSpec);        if (widthMode == MeasureSpec.EXACTLY) {            width = widthSize;        } else {            width = getMeasuredWidth();        }        if (heightMode == MeasureSpec.EXACTLY) {            height = heightSize;        } else {            height = textLines.size()*(int)(textPaint.getTextSize()*lineMul)+1;        }        setMeasuredDimension(width, height);    }    @Override    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {        super.onLayout(changed, left, top, right, bottom);    }    @Override    protected void onDraw(Canvas canvas) {        float x=0;        float y=textPaint.getTextSize();        for(String text:textLines){            canvas.drawText(text,x,y,textPaint);            y=y+textPaint.getTextSize()*lineMul;        }    }}

github地址：https://github.com/sddyljsx/Android-TextView-not-change-line-in-advance/blob/master/TextDrawView.java