[英]Android get device screen height and width for all resolutions
i have used below code but some resolutions like Nexus 5(lolipop - 5.0), device height and width are not returning actual values. 我使用下面的代码,但一些分辨率,如Nexus 5(lolipop - 5.0),设备高度和宽度不返回实际值。 DisplayMetrics metrics = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(metrics);
width = metrics.heightPixels; height = metrics.widthPixels;
I use the following utility functions: 我使用以下实用程序函数:
private static int sScreenWidthDP = -1;
private static int sScreenWidth = -1;
private static int sScreenHeight = -1;
public static int getScreenHeight(Context context) {
if (sScreenHeight == -1) {
Display display = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
Point size = new Point();
display.getSize(size);
sScreenHeight = size.y;
}
return sScreenHeight;
}
public static int getScreenHeightInDp(Context context) {
if (sScreenHeight == -1) {
Display display = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
Point size = new Point();
display.getSize(size);
sScreenHeight = size.y;
}
return pixelsToDp(context, sScreenHeight);
}
public static int getScreenWidthInDp(Context context) {
if (sScreenWidthDP == -1) {
Display display = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
Point size = new Point();
display.getSize(size);
sScreenWidthDP = pixelsToDp(context, size.x);
}
return sScreenWidthDP;
}
public static int getScreenWidth(Context context) {
if (sScreenWidth == -1) {
Display display = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
Point size = new Point();
display.getSize(size);
sScreenWidth = size.x;
}
return sScreenWidth;
}
public static float dpToPixels(Context context, int dp) {
return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics());
}
public static int pixelsToDp(Context context, float pixels) {
float density = context.getResources().getDisplayMetrics().densityDpi;
return Math.round(pixels / (density / 160f));
}
I use the following code to get width or height 我使用以下代码来获取宽度或高度
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
Point size = new Point();
display.getSize(size);
int height = size.y;
int width = size.x;
Try the following way, it enables you to get the real size of the device: 尝试以下方式,它可以让您获得设备的实际大小:
Display display = getWindowManager().getDefaultDisplay();
Point size = new Point();
display.getRealSize(size);
int width = size.x;
int height = size.y;
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