使imageview响应

Question

使宽度和高度决定设备的宽度和高度
我们已经在应用程序中发布了图像，其宽度和高度为250,320。
我们需要使它适合屏幕而不会拉伸。是否有任何方程式可以根据设备宽度找到图像的新宽度和新高度

Answer 1

您可以通过以下方法获取屏幕的宽度和高度

data.frame(stringsAsFactors=FALSE,
   subject_result = c("ENSCPassed", "CHEMPassed", "ENSCPassed", "OTHERPassed",
                      "ENSCPassed", "MATHPassed", "ENSCPassed", "OTHERPassed",
                      "OTHERPassed", "OTHERPassed", "PHYSPassed", "CHEMPassed",
                      "MATHPassed", "ENSCPassed", "CMPTPassed", "OTHERPassed",
                      "CMPTPassed"),
     semester_num = c(9L, 4L, 16L, 7L, 7L, 2L, 8L, 11L, 4L, 12L, 1L, 4L, 3L,
                      11L, 8L, 11L, 12L),
        ENSC_Disc = c(1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0)
)

然后使用任何第三方图像渲染库（如Picasso，glide）根据屏幕的宽度和高度调整图像大小。