private void getSystemInfo()
{
//第一种方式获取屏幕的像素宽高在Activity里面可使用
//DisplayMetrics metric = new DisplayMetrics();
//Activity.getWindowManager().getDefaultDisplay().getMetrics(metric);
//第二种方式获取屏幕的像素宽高
//获取屏幕的像素高度PIX
screenHeight = getResources().getDisplayMetrics().heightPixels;
//获取屏幕的像素宽度PIX
screenWidth = getResources().getDisplayMetrics().widthPixels;
}
private void getSystemInfo()
{
//需要上下文
DisplayMetrics metric = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metric);
//第一种获取像素密度的方式
int width = metric.widthPixels; // 宽度(PX)
int height = metric.heightPixels; // 高度(PX)
Log.e("++MyLog++widthPixels ",""+width);
Log.e("++MyLog++heightPixels ",""+height);
float density = metric.density; // 密度(0.75 / 1.0 / 1.5)
int densityDpi = metric.densityDpi; // 密度DPI(120 / 160 / 240)
Log.e("++MyLog++density ",""+density);
Log.e("++MyLog++densityDpi ",""+densityDpi);
//第二种获取像素密度的方式getResources()
int height1 = getResources().getDisplayMetrics().heightPixels; // 宽度(PX)
int width1 = getResources().getDisplayMetrics().widthPixels; // 高度(PX)
Log.e("++MyLog++width1",""+width1);
Log.e("++MyLog++height1",""+height1);
float density1 = getResources().getDisplayMetrics().density;
int densityDpi1 = getResources().getDisplayMetrics().densityDpi;
Log.e("++MyLog++density1 ",""+density1);
Log.e("++MyLog++densityDpi1 ",""+densityDpi1);
float scaledDensity1 = getResources().getDisplayMetrics().scaledDensity;
Log.e("++MyLog++scaledDensity1"," "+scaledDensity1);
//像素密度X/Ydpi
//physical pixels per inch of the screen in the Y dimension
float xdpi1 = getResources().getDisplayMetrics().xdpi;
float ydpi1 = getResources().getDisplayMetrics().ydpi;
Log.e("++MyLog++xdpi1 ",""+xdpi1);
Log.e("++MyLog++ydpi1 ",""+ydpi1);
}