Android_canvas.drawTextOnPath()无效

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drawTextOnPath() was not supported with hardware acceleration until Android 4.1. To work around this problem, simply set a software layer type on your View when running on Android < 4.1. Just call View.setLayerType(View.LAYER_TYPE_SOFTWARE, null). This will force software rendering and fix your problem.

原来这是android SDK的一个bug，在4.1版本 以下，drawTextOnPath是无效的，使用this.setLayerType(View.LAYER_TYPE_SOFTWARE, null);

if (android.os.Build.VERSION.SDK_INT >= 11) {
	setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}

Android_canvas.drawTextOnPath()无效

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原文地址：http://blog.csdn.net/zimo2013/article/details/45172161