Example usage for android.app Activity getWindowManager

Introduction

In this page you can find the example usage for android.app Activity getWindowManager.

Prototype

public WindowManager getWindowManager()

Source Link

Document

Retrieve the window manager for showing custom windows.

Usage

From source file:Main.java

public static double getScreenSize(Activity activity) {
    if (dm == null) {
        dm = new DisplayMetrics();
    }//from   w  ww.ja  v a  2 s. c  om
    activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
    double x = Math.pow(dm.widthPixels / dm.densityDpi, 2);
    double y = Math.pow(dm.heightPixels / dm.densityDpi, 2);
    return Math.sqrt(x + y);
}

From source file:Main.java

public static int[] getScreenWH(Activity activity) {
    int[] WH = { 0, 0 };
    DisplayMetrics metrics = new DisplayMetrics();
    activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
    WH[0] = metrics.widthPixels;/*from   w  w w.j  a va  2  s  . c o  m*/
    WH[1] = metrics.heightPixels;
    return WH;
}

From source file:Main.java

private static float getDensity(Activity activity) {
    if (density < 0) {
        DisplayMetrics dm = new DisplayMetrics();
        activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
        density = dm.density;/*  ww w  .java2  s.  co  m*/
    }
    return density;
}

From source file:Main.java

public static int[] sizeScreen(Activity activity) {
    int[] size = new int[2];
    DisplayMetrics dm = new DisplayMetrics();
    activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
    size[0] = dm.widthPixels;/* w w  w  .  j  a v  a  2s .co  m*/
    size[1] = dm.heightPixels;
    return size;
}

From source file:Main.java

public static DisplayMetrics getDisplayMetrics(Activity activity) {
    if (dm == null) {
        dm = new DisplayMetrics();
        activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
    }//from   w  ww .ja  v a  2s  .c om
    return dm;
}

From source file:Main.java

/**
 * Checks if the device is a tablet or a phone
 *
 * @param activityContext/*w  w w.j  ava  2  s  .  c  o  m*/
 *          The Activity Context.
 * @return Returns true if the device is a Tablet
 */
public static boolean isTabletDevice(Context activityContext) {
    // Verifies if the Generalized Size of the device is XLARGE to be
    // considered a Tablet
    boolean xlarge = ((activityContext.getResources().getConfiguration().screenLayout
            & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE);
    // If XLarge, checks if the Generalized Density is at least MDPI
    // (160dpi)
    if (xlarge) {
        DisplayMetrics metrics = new DisplayMetrics();
        Activity activity = (Activity) activityContext;
        activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
        // MDPI=160, DEFAULT=160, DENSITY_HIGH=240, DENSITY_MEDIUM=160,
        // DENSITY_TV=213, DENSITY_XHIGH=320
        if (metrics.densityDpi == DisplayMetrics.DENSITY_DEFAULT
                || metrics.densityDpi == DisplayMetrics.DENSITY_HIGH
                || metrics.densityDpi == DisplayMetrics.DENSITY_MEDIUM
                || metrics.densityDpi == DisplayMetrics.DENSITY_TV
                || metrics.densityDpi == DisplayMetrics.DENSITY_XHIGH) {
            // Yes, this is a tablet!
            return true;
        }
    }
    // No, this is not a tablet!
    return false;
}

From source file:Main.java

/**
 * get a screen shot with default screen size.
 *//*from w  w w.  j  av a 2s  .  com*/
public static Bitmap getScreenShot(Activity activity) {
    DisplayMetrics metrics = new DisplayMetrics();
    activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
    int width = metrics.widthPixels;
    int height = metrics.heightPixels;
    return getScreenShot(activity, width, height);
}

From source file:Main.java

/**
 * Get a BitmapDrawable from a local file that is scaled down
 * to fit the current Window size.//  w w w .ja  va2  s . co m
 */
@SuppressWarnings("deprecation")
static BitmapDrawable getScaledBitmap(String path, Activity a) {
    Display display = a.getWindowManager().getDefaultDisplay();
    float destWidth = display.getWidth();
    float destHeight = display.getHeight();

    // read in the dimensions of the image on disk
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeFile(path, options);

    float srcWidth = options.outWidth;
    float srcHeight = options.outHeight;

    int inSampleSize = 1;
    if (srcHeight > destHeight || srcWidth > destWidth) {
        if (srcWidth > srcHeight) {
            inSampleSize = Math.round(srcHeight / destHeight);
        } else {
            inSampleSize = Math.round(srcWidth / destWidth);
        }
    }

    options = new BitmapFactory.Options();
    options.inSampleSize = inSampleSize;

    Bitmap bitmap = BitmapFactory.decodeFile(path, options);
    return new BitmapDrawable(a.getResources(), bitmap);
}

From source file:Main.java

public static int getWidth(Activity activity) {
    if (mScreenWidth == 0) {
        DisplayMetrics dm = new DisplayMetrics();
        activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
        mScreenWidth = dm.widthPixels;/*from   www  .j ava  2 s  .com*/
    }
    return mScreenWidth;
}

From source file:Main.java

public static int getWindowHeight(Activity activity) {
    if (mHeightPixels < 0) {
        DisplayMetrics dm = new DisplayMetrics();
        activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
        mWidthPixels = dm.widthPixels;/*from w w w . j  a va2 s. c om*/
        mHeightPixels = dm.heightPixels;
    }
    return mHeightPixels;
}