Example usage for android.util DisplayMetrics DENSITY

Introduction

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

Prototype

int DENSITY_DEFAULT

To view the source code for android.util DisplayMetrics DENSITY_DEFAULT.

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The reference density used throughout the system.

Usage

From source file:Main.java

/**
 * This method converts device specific pixels to density independent pixels.
 *
 * @param px      A value in px (pixels) unit. Which we need to convert into db
 * @param context Context to get resources and device specific display metrics
 * @return A float value to represent dp equivalent to px value
 *//*  www  .j  a va  2 s.co  m*/
public static float convertPixelsToDp(float px, Context context) {
    Resources resources = context.getResources();
    DisplayMetrics metrics = resources.getDisplayMetrics();
    float dp = px / ((float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT);
    return dp;
}

From source file:Main.java

/**
 * This method converts dp unit to equivalent pixels, depending on device density.
 *
 * @param dp      A value in dp (density independent pixels) unit. Which we need to convert into pixels
 * @param context Context to get resources and device specific display metrics
 * @return A float value to represent px equivalent to dp depending on device density
 *//*from   w  ww.  ja v a  2  s  .  c o  m*/
public static float convertDpToPixel(float dp, Context context) {
    Resources resources = context.getResources();
    DisplayMetrics metrics = resources.getDisplayMetrics();
    float px = dp * ((float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT);
    return px;
}

From source file:Main.java

/**
 * Get bitmap from a URI.//  w w  w  .j a v  a2  s.co m
 *
 * @param context The context.
 * @param uriString The URI as a string.
 *
 * @return The bitmap.
 */
public static Bitmap getBitmapFromUri(final Context context, String uriString) {
    Bitmap bitmap = null;
    if (uriString == null) {
        return null;
    }

    Uri uri = Uri.parse(uriString);
    if (uri != null) {
        try {
            bitmap = MediaStore.Images.Media.getBitmap(context.getContentResolver(), uri);
            if (bitmap != null) {
                // We use default density for all bitmaps to avoid scaling.
                bitmap.setDensity(DisplayMetrics.DENSITY_DEFAULT);
            }
        } catch (IOException e) {

        }
    }
    return bitmap;
}

From source file:Main.java

public static float convertDpToPixel(float dp, Context context) {
    Resources resources = context.getResources();
    DisplayMetrics metrics = resources.getDisplayMetrics();
    float px = dp * (metrics.densityDpi / (float) DisplayMetrics.DENSITY_DEFAULT);
    return px;//from   w  ww.  ja v  a 2s .c  o m
}

From source file:com.calgen.udacity.lego.ui.Utils.java

/**
 * @param dp dp value//from  w  w  w  .  j ava  2 s .  c om
 * @return converted px value
 */
public static int dpToPx(int dp) {
    DisplayMetrics displayMetrics = Resources.getSystem().getDisplayMetrics();
    return Math.round(dp * (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT));
}

From source file:com.calgen.udacity.lego.ui.Utils.java

/**
 * @param px dp value//w ww. ja  v  a 2 s  .c  o  m
 * @return converted dp value
 */

public static int pxToDp(int px) {
    DisplayMetrics displayMetrics = Resources.getSystem().getDisplayMetrics();
    return Math.round(px / (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT));
}

From source file:Main.java

/**
 * Checks if the device is a tablet or a phone
 *
 * @param activityContext/*from  www . j  av  a  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:org.kaaproject.kaa.demo.notification.fragment.BaseListFragment.java

public static int convertDpToPixel(float dp, Context context) {
    Resources resources = context.getResources();
    DisplayMetrics metrics = resources.getDisplayMetrics();
    float px = dp * ((float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT);
    return (int) px;
}

From source file:me.ccrama.redditslide.Views.SubtleSlideInUp.java

public int pxToDp(int px, Context c) {
    DisplayMetrics displayMetrics = c.getResources().getDisplayMetrics();
    int dp = Math.round(px / (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT));
    return dp;/*from  w  ww.j  ava2  s. c om*/
}

From source file:ch.rts.cordova.is.tablet.IsTablet.java

private boolean isTabletDevice(Context applicationContext) {
    boolean device_large = ((applicationContext.getResources().getConfiguration().screenLayout
            & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE);

    if (device_large) {
        DisplayMetrics metrics = new DisplayMetrics();
        Activity activity = this.cordova.getActivity();
        activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);

        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) {
            Log.d(LOG_TAG, "Is Tablet Device");
            return true;
        }//from w  w  w. ja  v  a2s.c o m
    }
    Log.d(LOG_TAG, "Is NOT Tablet Device");
    return false;
}

Example usage for android.util DisplayMetrics DENSITY_DEFAULT

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