Android-based cell phone screen resolution (SWAP between PX and DP)

1/** 2 * switch from DP unit to PX (pixel) 3 */4 public static int dip2px (context, float dpvalue) based on the cell phone resolution) {5 Final float scale = context. getresources (). getdisplaymetrics (). density; 6 Return (INT) (dpvalue * scale + 0.5f); 7} 8 9/** 10 * based on the resolution of the phone from PX (pixel) to DP 11 */12 public static int px2dip (context, float pxvalue) {13 final float scale = context. getresources (). getdisplaymetrics (). density; 14 return (INT) (pxvalue/scale + 0.5f); 15}

This is related to the resolution feature of the mobile phone. If you want to use this method to set the corresponding image size for the UI, it is not feasible, apply to appropriate scenarios.