我如何获得屏幕的宽度和高度,并使用这个值在:
@Override protected void onMeasure(int widthSpecId, int heightSpecId) {
Log.e(TAG, "onMeasure" + widthSpecId);
setMeasuredDimension(SCREEN_WIDTH, SCREEN_HEIGHT -
game.findViewById(R.id.flag).getHeight());
}
我如何获得屏幕的宽度和高度,并使用这个值在:
@Override protected void onMeasure(int widthSpecId, int heightSpecId) {
Log.e(TAG, "onMeasure" + widthSpecId);
setMeasuredDimension(SCREEN_WIDTH, SCREEN_HEIGHT -
game.findViewById(R.id.flag).getHeight());
}
当前回答
对于kotlin用户
fun Activity.displayMetrics(): DisplayMetrics {
val displayMetrics = DisplayMetrics()
windowManager.defaultDisplay.getMetrics(displayMetrics)
return displayMetrics
}
在Activity中,你可以使用它
resources.displayMetrics.let { displayMetrics ->
val height = displayMetrics.heightPixels
val width = displayMetrics.widthPixels
}
或者碎片化
activity?.displayMetrics()?.run {
val height = heightPixels
val width = widthPixels
}
其他回答
DisplayMetrics dimension = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dimension);
int width = dimension.widthPixels;
int height = dimension.heightPixels;
这里显示的方法已弃用/过时,但仍然可以工作。需要API 13
看看吧
Display disp= getWindowManager().getDefaultDisplay();
Point dimensions = new Point();
disp.getSize(size);
int width = size.x;
int height = size.y;
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
public static double getHeight() {
DisplayMetrics displayMetrics = new DisplayMetrics();
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
display.getRealMetrics(displayMetrics);
//int height = displayMetrics.heightPixels;
//int width = displayMetrics.widthPixels;
return displayMetrics.heightPixels;
}
使用这种方法你可以得到屏幕高度。 如果你想要宽度改变displayMetrics。hightpixels到displayMetrics.widthPixels。
它还包括所需的api构建版本。
只是通过parag和SpK更新答案,使其与当前SDK的向后兼容性保持一致:
int Measuredwidth = 0;
int Measuredheight = 0;
Point size = new Point();
WindowManager w = getWindowManager();
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
w.getDefaultDisplay().getSize(size);
Measuredwidth = size.x;
Measuredheight = size.y;
}else{
Display d = w.getDefaultDisplay();
Measuredwidth = d.getWidth();
Measuredheight = d.getHeight();
}
你可以从上下文中获得宽度和高度
java:
int width= context.getResources().getDisplayMetrics().widthPixels;
int height= context.getResources().getDisplayMetrics().heightPixels;
科特林
val width: Int = context.resources.displayMetrics.widthPixels
val height: Int = context.resources.displayMetrics.heightPixels