Android編程實現獲得手機屏幕真實寬高的方法

本文實例講述了Android編程實現獲得手機屏幕真實寬高的方法。分享給大家供大家參考，具體如下：

WindowManager w = activity.getWindowManager();
Display d = w.getDefaultDisplay();
DisplayMetrics metrics = new DisplayMetrics();
d.getMetrics(metrics);
// since SDK_INT = 1;
widthPixels = metrics.widthPixels;
heightPixels = metrics.heightPixels;
try {
  // used when 17 > SDK_INT >= 14; includes window decorations (statusbar bar/menu bar)
  widthPixels = (Integer) Display.class.getMethod("getRawWidth").invoke(d);
  heightPixels = (Integer) Display.class.getMethod("getRawHeight").invoke(d);
} catch (Exception ignored) {
}
try {
  // used when SDK_INT >= 17; includes window decorations (statusbar bar/menu bar)
  Point realSize = new Point();
  Display.class.getMethod("getRealSize", Point.class).invoke(d, realSize);
  widthPixels = realSize.x;
  heightPixels = realSize.y;
} catch (Exception ignored) {
}

補:改進版 (彌補了原先非支持版本的一些異常):

WindowManager w = activity.getWindowManager();
Display d = w.getDefaultDisplay();
DisplayMetrics metrics = new DisplayMetrics();
d.getMetrics(metrics);
// since SDK_INT = 1;
widthPixels = metrics.widthPixels;
heightPixels = metrics.heightPixels;
// includes window decorations (statusbar bar/menu bar)
if (Build.VERSION.SDK_INT >= 14 && Build.VERSION.SDK_INT < 17)
try {
  widthPixels = (Integer) Display.class.getMethod("getRawWidth").invoke(d);
  heightPixels = (Integer) Display.class.getMethod("getRawHeight").invoke(d);
} catch (Exception ignored) {
}
// includes window decorations (statusbar bar/menu bar)
if (Build.VERSION.SDK_INT >= 17)
try {
  Point realSize = new Point();
  Display.class.getMethod("getRealSize", Point.class).invoke(d, realSize);
  widthPixels = realSize.x;
  heightPixels = realSize.y;
} catch (Exception ignored) {
}

希望本文所述對大家Android程序設計有所幫助。