Android LiveWallpaper动画制图

2015-10-20 31 views 0 likes

我可以使用哪种解决方案在将每个字母绘制到画布之前制作动画？四，搜索互联网，我似乎没有看到任何合理的...Android LiveWallpaper动画制图

private void draw() { 
     SurfaceHolder holder = getSurfaceHolder(); 
     Canvas canvas = null; 
     try { 
      canvas = holder.lockCanvas(); 
      if (canvas != null) { 

       // Draw background 
       canvas.drawColor(PrefService.getBgColor());         

       StaticLayout textLayout = new StaticLayout(TEXT_I_WOULD_LIKE_TO_ANIMATE, textPaint, screenWidth - screenWidth/8, Layout.Alignment.ALIGN_CENTER, 1.0F, 1.0F, true); 
       canvas.translate((screenWidth/2) - (textLayout.getWidth()/2), (screenHeight/2) - ((textLayout.getHeight()/2))); 
       textLayout.draw(canvas); 
      } 
     } finally { 
      if (canvas != null) {    
        holder.unlockCanvasAndPost(canvas);     
      } 
     } 
    } 
    handler.removeCallbacks(drawRunner); 
    handler.postDelayed(drawRunner, 20000); 
}

注意TEXT_I_WOULD_LIKE_TO_ANIMATE变量上面StaticLayout

任何帮助，不胜感激

来源

2015-10-20 user3024760

回答

创建一个至极渲染线程你循环你绘制方法。然后，您可以为文本变量创建位置并更改每帧的文本位置。要在画布上绘制文本，应使用canvas.drawText（...）。我希望我能帮助你。

来源

2015-10-26 10:04:40 Hansfritzi

Android LiveWallpaper动画制图

回答

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