截屏一种方式

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	returnBack.setVisibility(View.INVISIBLE);
//        saveCurrentImage();
//        saveCurrentImage1();
View userLayout = findViewById(R.id.user_layout);
//下面两行打开有时候会造成UI移位
//        userLayout.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
//        userLayout.layout(0, 0, userLayout.getMeasuredWidth(), userLayout.getMeasuredHeight());
userLayout.buildDrawingCache();
Bitmap shareImage = userLayout.getDrawingCache();
returnBack.setVisibility(View.VISIBLE);