如何在Android中利用TextView实现一个内容居中效果

本篇文章给大家分享的是有关如何在Android中利用TextView实现一个内容居中效果，小编觉得挺实用的，因此分享给大家学习，希望大家阅读完这篇文章后可以有所收获，话不多说，跟着小编一起来看看吧。

1.首先自定义一个类，继承TextView

package com.test.signcalendar.weight;import android.content.Context;import android.graphics.canvas;import android.graphics.drawable.Drawable;import android.util.AttributeSet;import android.widget.TextView;public class DrawableCenterTextView extends TextView {  public DrawableCenterTextView(Context context, AttributeSet attrs,      int defStyle) {    super(context, attrs, defStyle);  }  public DrawableCenterTextView(Context context, AttributeSet attrs) {    super(context, attrs);  }  public DrawableCenterTextView(Context context) {    super(context);  }  @Override  protected void onDraw(Canvas canvas) {    Drawable[] drawables = getCompoundDrawables();    if (drawables != null) {      Drawable drawableLeft = drawables[0];      if (drawableLeft != null) {        float textWidth = getPaint().measureText(getText().toString());        int drawablePadding = getCompoundDrawablePadding();        int drawableWidth = 0;        drawableWidth = drawableLeft.getIntrinsicWidth();        float bodyWidth = textWidth + drawableWidth + drawablePadding;        canvas.translate((getWidth() - bodyWidth) / 2, 0);      }    }    super.onDraw(canvas);  }}