获取手机DPI
在有些做手机适配方案的时候,需要得知手机dpi,可采用以下代码:
private void printDPI() {String str = "";DisplayMetrics dm = new DisplayMetrics();// getWindowManager().getDefaultDisplay().getMetrics(dm);dm = this.getApplicationContext().getResources().getDisplayMetrics();int screenWidth = dm.widthPixels;int screenHeight = dm.heightPixels;float density = dm.density;float dpi = dm.densityDpi;float widthPixels = dm.widthPixels;float xdpi = dm.xdpi;float ydpi = dm.ydpi;str += "屏幕分辨率为:" + dm.widthPixels + " * " + dm.heightPixels + "\n";str += "绝对宽度:" + String.valueOf(screenWidth) + "pixels\n";str += "绝对高度:" + String.valueOf(screenHeight) + "pixels\n";str += "逻辑密度:" + String.valueOf(density) + "\n";str += "dpi:" + String.valueOf(dpi) + "\n";str += "widthPixels:" + String.valueOf(widthPixels) + "\n";str += "X 维 :" + String.valueOf(xdpi) + "像素每英尺\n";str += "Y 维 :" + String.valueOf(ydpi) + "像素每英尺\n";Log.i("@@@@@@", str);}
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