Example usage for android.util DisplayMetrics DisplayMetrics

Introduction

In this page you can find the example usage for android.util DisplayMetrics DisplayMetrics.

Prototype

public DisplayMetrics()

Source Link

Usage

From source file:Main.java

public static DisplayMetrics getScreenSize(Activity context) {
    DisplayMetrics dm = new DisplayMetrics();
    context.getWindowManager().getDefaultDisplay().getMetrics(dm);
    return dm;/*from   ww  w  .  j  a va2 s. co m*/
}

From source file:Main.java

public static DisplayMetrics getDisplayMetric(Context context) {
    if (context != null) {
        WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics displayMetrics = new DisplayMetrics();
        Display display = windowManager.getDefaultDisplay();
        display.getMetrics(displayMetrics);
        return displayMetrics;
    }//from   w w w. ja va2s . c  o  m
    return null;
}

From source file:Main.java

static int calculateOrientation(Activity activity, int cameraId) {
    if (cameraId == NO_CAMERA)
        return 0;

    DisplayMetrics dm = new DisplayMetrics();
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int cameraRotationOffset = info.orientation;

    activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
    int currentScreenRotation = activity.getWindowManager().getDefaultDisplay().getRotation();

    int degrees = 0;
    switch (currentScreenRotation) {
    case Surface.ROTATION_0:
        degrees = 0;/*from w  w w  . j  a  v  a 2 s.c om*/
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int orientation;
    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        orientation = (cameraRotationOffset + degrees) % 360;
        orientation = (360 - orientation) % 360;
    } else {
        orientation = (cameraRotationOffset - degrees + 360) % 360;
    }

    return orientation;
}

From source file:Main.java

public static int getScreenWidthDP(Activity activity) {

    WindowManager wm = activity.getWindowManager();
    //wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
    Display dp = wm.getDefaultDisplay();
    DisplayMetrics dm = new DisplayMetrics();
    dp.getMetrics(dm);//from   w ww.  j a  va2 s .c o m

    float res = dm.widthPixels / dm.density;
    return (int) res;
}

From source file:Main.java

public static int getScreenHeightDP(Activity activity) {

    WindowManager wm = activity.getWindowManager();
    //wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
    Display dp = wm.getDefaultDisplay();
    DisplayMetrics dm = new DisplayMetrics();
    dp.getMetrics(dm);/*from   w w  w .j a  v  a2 s.c  om*/

    float res = dm.heightPixels / dm.density;
    return (int) res;
}

From source file:Main.java

public static int getWindowWidth(Activity activity) {
    if (mWidthPixels < 0) {
        DisplayMetrics dm = new DisplayMetrics();
        activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
        mWidthPixels = dm.widthPixels;// w  ww  . j a v a 2 s. c o  m
        mHeightPixels = dm.heightPixels;
    }
    return mWidthPixels;
}

From source file:Main.java

public static float getDimensionPixelSize(int unit, float value, Context context) {
    DisplayMetrics metrics = new DisplayMetrics();
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    wm.getDefaultDisplay().getMetrics(metrics);
    switch (unit) {
    case PX:/*from ww  w  .  j a  v a  2 s  . c  o  m*/
        return value;
    case DIP:
    case SP:
        return TypedValue.applyDimension(unit, value, metrics);
    default:
        throw new IllegalArgumentException("unknow unix");
    }
}

From source file:Main.java

public static void init(Context context) {
    if (context == null) {
        return;// w  ww  .  ja  va 2  s  . co  m
    }
    DisplayMetrics dm = new DisplayMetrics();
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    wm.getDefaultDisplay().getMetrics(dm);
    SCREEN_WIDTH_PIXELS = dm.widthPixels;
    SCREEN_HEIGHT_PIXELS = dm.heightPixels;
    SCREEN_DENSITY = dm.density;
    SCREEN_WIDTH_DP = (int) (SCREEN_WIDTH_PIXELS / dm.density);
    SCREEN_HEIGHT_DP = (int) (SCREEN_HEIGHT_PIXELS / dm.density);
}

From source file:Main.java

public static int getDisplayWidth(Context context) {
    if (displayWidth <= 0) {
        WindowManager wm = (WindowManager) context.getApplicationContext()
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics dm = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(dm);
        displayWidth = dm.widthPixels;/*from  w w w  .j a v  a  2  s.co m*/
    }
    return displayWidth;
}

From source file:Main.java

public static int getDisplayHeight(Context context) {
    if (displayHeight <= 0) {
        WindowManager wm = (WindowManager) context.getApplicationContext()
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics dm = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(dm);
        displayHeight = dm.heightPixels;
    }// w  w w. j  av  a2  s .co m
    return displayHeight;
}