android 判断屏幕是横屏还是竖屏

　/* First, get the Display from the WindowManager */

　　Display display = ((WindowManager) getSystemService(WINDOW_SERVICE)).getDefaultDisplay();

　　/* Now we can retrieve all display-related infos */

　　int width = display.getWidth();

　　int height = display.getHeight();

　　int orientation = display.getOrientation();

　　或者

　　public int getScreenOrientation()

　　{

　　Display getOrient = getWindowManager().getDefaultDisplay();

　　int orientation = getOrient.getOrientation();

　　// Sometimes you may get undefined orientation Value is 0

　　// simple logic solves the problem compare the screen

　　// X,Y Co-ordinates and determine the Orientation in such cases

　　if(orientation==Configuration.ORIENTATION_UNDEFINED){

　　Configuration config = getResources().getConfiguration();

　　orientation = config.orientation;

　　if(orientation==Configuration.ORIENTATION_UNDEFINED){

　　//if height and widht of screen are equal then

　　// it is square orientation

　　if(getOrient.getWidth()==getOrient.getHeight()){

　　orientation = Configuration.ORIENTATION_SQUARE;

　　}else{ //if widht is less than height than it is portrait

　　if(getOrient.getWidth() < getOrient.getHeight()){

　　orientation = Configuration.ORIENTATION_PORTRAIT;

　　}else{ // if it is not any of the above it will defineitly be landscape

　　orientation = Configuration.ORIENTATION_LANDSCAPE;

　　}

　　return orientation; // return value 1 is portrait and 2 is Landscape Mode

　　}

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