DisplayMetrics:顯示度量
一種描述顯示器一般信息的結構,如大小、密度和字體縮放。
//DisplayMetrics初始化
displaymetrics metrics=new displaymetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
寬度
public static int getScreenWidth(Context context){
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics displayMetrics = new DisplayMetrics();
windowManager.getDefaultDisplay().getMetrics(displayMetrics);
return displayMetrics.widthPixels;
}
高度
public static int getScreenHeight(Context context){
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics displayMetrics = new DisplayMetrics();
windowManager.getDefaultDisplay().getMetrics(displayMetrics);
return displayMetrics.heightPixels;
}
像素密度
public static float getScreenDensity(Context context){
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics displayMetrics = new DisplayMetrics();
windowManager.getDefaultDisplay().getMetrics(displayMetrics);
return displayMetrics.density;
}