在项目中遇到了这样的需求，记录下来
/**
* 根据手机的分辨率从 px(像素) 的单位 转成为 dp
*/
public int px2dip(Context context, float pxValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
/**
* 根据手机的分辨率从 dp 单位 转成为 px(像素)
*
* @param dipValue
* @return
*/
public static int dip2px(Context context, float dipValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dipValue * scale + 0.5f);
}
/**
* 获取状态栏/通知栏的高度
*
* @return
*/
private int getStatusBarHeight(Context context) {
Class<?> c = null;
Object obj = null;
Field field = null;
int x = 0, sbar = 0;
try {
c = Class.forName("com.android.internal.R$dimen");
obj = c.newInstance();
field = c.getField("status_bar_height");
x = Integer.parseInt(field.get(obj).toString());
sbar = context.getResources().getDimensionPixelSize(x);
} catch (Exception e1) {
e1.printStackTrace();
}
return sbar;
}
/**
* 获取屏幕的宽高
*/
private void measure(Context context) {
Point point = new Point();
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
//不含虚拟按键
windowManager.getDefaultDisplay().getSize(point);
//包含虚拟按键
//windowManager.getDefaultDisplay().getRealSize(point);
//屏幕宽度
int height = point.y;
//屏幕高度
int width = point.x;
}
