android 通配用擷取螢幕參數

// -----------------xuqingfeng----通配用--------------------
public static double standardWidth = 480.0;
public static double standardHeight = 800.0;
public static double currentWidth = 0;
public static double currentHeight = 0;
public static float mDensityDpi = 0;// 當前螢幕的密度
public static float mDpiRatio = 0;
public static float mWidthRatio=1;
public static float mHeightRatio=1;
public static float mDefaultDpi = 160;
------------------------
/**
* 擷取當前螢幕解析度和密度大小 xuqingfeng
*/
private void getScreenSize() {
DisplayMetrics displayMetrics = new

DisplayMetrics();
getWindowManager().getDefaultDisplay

().getMetrics(displayMetrics);
currentWidth = displayMetrics.widthPixels;
currentHeight = displayMetrics.heightPixels;
mDensityDpi = displayMetrics.densityDpi;//擷取

螢幕密度
mDpiRatio = ((float) mDefaultDpi) / (float)

displayMetrics.densityDpi;

}