Android将视图转换为BitMap

本文介绍了Android将视图转换为BitMap的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我正在尝试将视图转换为位图，但是我失去了黑色.我这样转换:

I'm trying to convert a view to bitmap but I lose the black color. I'm converting like this:

Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(),view.getHeight(), Bitmap.Config.ARGB_8888);

示例

我如何转换为位图，这样百分比值的黑色不会丢失?

How can i convert to bitmap so the black of the percentage value is not lost?

谢谢， 问候

推荐答案

您可以使用此方法将View转换为Bitmap

Hi you can use this method to convert View to Bitmap

private Bitmap createBitmapFromView(Context context, View view) { DisplayMetrics displayMetrics = new DisplayMetrics(); ((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); view.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); view.measure(displayMetrics.widthPixels, displayMetrics.heightPixels); view.layout(0, 0, displayMetrics.widthPixels, displayMetrics.heightPixels); view.buildDrawingCache(); Bitmap bitmap = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); view.draw(canvas); return bitmap; }