textview的分行显示_安卓实现两个textview分行

第一种是

<TextView
    android:id="@+id/tv_servicequality"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="谢谢乘坐\n请对本次服务评价"
    android:textSize="45dp"/>

import android.content.Context;
import android.graphics.Paint;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.widget.TextView;
 
/**
 * Created by Administrator on 2016/10/13.
 */
public class AutoSplitTextView extends TextView{
    private boolean mEnabled = true;
 
     public AutoSplitTextView(Context context) {
                super(context);
           }
    public AutoSplitTextView(Context context, AttributeSet attrs) {
                 super(context, attrs);
             }
 
    public AutoSplitTextView(Context context, AttributeSet attrs, int defStyle) {
                super(context, attrs, defStyle);
             }
    public void setAutoSplitEnabled(boolean enabled) {
                mEnabled = enabled;
             }
 
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
                 if (MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY
                     && MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.EXACTLY
                     && getWidth() > 0 && getHeight() > 0 && mEnabled) {
                         String newText = autoSplitText(this);
                        if (!TextUtils.isEmpty(newText)) {
                                setText(newText);
                             }
                    }
                super.onMeasure(widthMeasureSpec, heightMeasureSpec);
             }
 
    private String autoSplitText(final TextView tv) {
                final String rawText = tv.getText().toString(); //原始文本
                 final Paint tvPaint = tv.getPaint(); //paint，包含字体等信息
               final float tvWidth = tv.getWidth() - tv.getPaddingLeft() - tv.getPaddingRight(); //控件可用宽度
 
                 //将原始文本按行拆分
                String [] rawTextLines = rawText.replaceAll("\r", "").split("\n");
                 StringBuilder sbNewText = new StringBuilder();
                for (String rawTextLine : rawTextLines) {
                       if (tvPaint.measureText(rawTextLine) <= tvWidth) {
                                //如果整行宽度在控件可用宽度之内，就不处理了
                                 sbNewText.append(rawTextLine);
                             } else {
                                //如果整行宽度超过控件可用宽度，则按字符测量，在超过可用宽度的前一个字符处手动换行
                                float lineWidth = 0;
                                 for (int cnt = 0; cnt != rawTextLine.length(); ++cnt) {
                                         char ch = rawTextLine.charAt(cnt);
                                         lineWidth += tvPaint.measureText(String.valueOf(ch));
                                         if (lineWidth <= tvWidth) {
                                                sbNewText.append(ch);
                                             } else {
                                                sbNewText.append("\n");
                                               lineWidth = 0;
                                                --cnt;
                                            }
                                   }
                          }
                      sbNewText.append("\n");
                     }
 
               //把结尾多余的\n去掉
               if (!rawText.endsWith("\n")) {
                        sbNewText.deleteCharAt(sbNewText.length() - 1);
                    }
 
                return sbNewText.toString();
        }
}