Example usage for android.content.res Resources getDisplayMetrics

Introduction

In this page you can find the example usage for android.content.res Resources getDisplayMetrics.

Prototype

public DisplayMetrics getDisplayMetrics() 

Source Link

Document

Return the current display metrics that are in effect for this resource object.

Usage

From source file:Main.java

/**
 * initialize method, called inside the Chart.init() method.
 *
 * @param context/*from  ww  w . j  av a  2 s. c o  m*/
 */
@SuppressWarnings("deprecation")
public static void init(Context context) {

    if (context == null) {
        // noinspection deprecation
        mMinimumFlingVelocity = ViewConfiguration.getMinimumFlingVelocity();
        // noinspection deprecation
        mMaximumFlingVelocity = ViewConfiguration.getMaximumFlingVelocity();

        Log.e("MPChartLib-Utils", "Utils.init(...) PROVIDED CONTEXT OBJECT IS NULL");

    } else {
        ViewConfiguration viewConfiguration = ViewConfiguration.get(context);
        mMinimumFlingVelocity = viewConfiguration.getScaledMinimumFlingVelocity();
        mMaximumFlingVelocity = viewConfiguration.getScaledMaximumFlingVelocity();

        Resources res = context.getResources();
        mMetrics = res.getDisplayMetrics();
    }
}

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From source file:Main.java

public static int getPixelsFromSp(Context context, int sp) {
    Resources r = context.getResources();
    return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, sp, r.getDisplayMetrics());
}

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From source file:Main.java

public static int getDipToPixel(Context context, float dip) {
    Resources r = context.getResources();
    float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip, r.getDisplayMetrics());
    return (int) px;
}

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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 w w  . j a 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 * (metrics.densityDpi / 160f);
//        return px;
//    }
public static int getPixelsFromDP(int dp, Context context) {
    Resources r = context.getResources();
    return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, r.getDisplayMetrics());
}

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From source file:Main.java

public static void changeAppLanguage(Resources resources, String lanAtr) {
    Configuration config = resources.getConfiguration();
    DisplayMetrics dm = resources.getDisplayMetrics();
    if (lanAtr.equals("zh-cn")) {
        config.locale = Locale.SIMPLIFIED_CHINESE;
    } else {/*from  w  ww .  j  av  a 2  s.c  om*/
        config.locale = Locale.getDefault();
    }
    resources.updateConfiguration(config, dm);
}

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From source file:Main.java

/**
 * Convert Density pixels to normal pixels
 *
 * @param context Context// w  w w. j a  v a  2  s.co  m
 * @param dp      Density pixels
 * @return Integer
 */
public static int getPixelsFromDp(Context context, int dp) {
    Resources r = context.getResources();
    return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, r.getDisplayMetrics());
}

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From source file:Main.java

public static Bitmap drawTextToBitmap(Context gContext, int gResId, String gText) {
    Resources resources = gContext.getResources();
    float scale = resources.getDisplayMetrics().density;
    Bitmap bitmap = BitmapFactory.decodeResource(resources, gResId);

    Bitmap.Config bitmapConfig = bitmap.getConfig();
    // set default bitmap config if none
    if (bitmapConfig == null) {
        bitmapConfig = Bitmap.Config.ARGB_8888;
    }//from w  w w .j a  v a 2 s .c  o  m
    // resource bitmaps are imutable,
    // so we need to convert it to mutable one
    bitmap = bitmap.copy(bitmapConfig, true);

    Canvas canvas = new Canvas(bitmap);
    // new antialised Paint
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    // text color - #808080
    paint.setColor(Color.rgb(127, 127, 127));
    // text size in pixels
    paint.setTextSize((int) (14 * scale * 5));
    // text shadow
    paint.setShadowLayer(1f, 0f, 1f, Color.WHITE);

    // draw text to the Canvas center
    Rect bounds = new Rect();
    paint.getTextBounds(gText, 0, gText.length(), bounds);
    //      int x = (bitmap.getWidth() - bounds.width()) / 2;
    //      int y = (bitmap.getHeight() + bounds.height()) / 2;
    //draw  text  to the bottom
    int x = (bitmap.getWidth() - bounds.width()) / 10 * 9;
    int y = (bitmap.getHeight() + bounds.height()) / 10 * 9;
    canvas.drawText(gText, x, y, paint);

    return bitmap;
}

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From source file:Main.java

private static boolean canFit(Resources res, int adWidth) {
    int adWidthPx = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, adWidth,
            res.getDisplayMetrics());
    DisplayMetrics metrics = res.getDisplayMetrics();
    return metrics.widthPixels >= adWidthPx;
}

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From source file:Main.java

public static Bitmap loadResource(Context context, int resourceId) {

    Resources resources = context.getResources();

    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inDensity = resources.getDisplayMetrics().densityDpi;
    options.inPurgeable = true;/*from   w  ww .j  a  v  a 2 s. c  o m*/

    return BitmapFactory.decodeResource(resources, resourceId, options);
}

---

From source file:Main.java

public static Bitmap drawTextToBitmap(Context mContext, int resourceId, String mText) {
    try {//from   w  w w  .  j a  v  a2 s.c om
        Resources resources = mContext.getResources();
        float scale = resources.getDisplayMetrics().density;
        Bitmap bitmap = BitmapFactory.decodeResource(resources, resourceId);

        android.graphics.Bitmap.Config bitmapConfig = bitmap.getConfig();
        // set default bitmap config if none
        if (bitmapConfig == null) {
            bitmapConfig = android.graphics.Bitmap.Config.ARGB_8888;
        }
        // resource bitmaps are imutable,
        // so we need to convert it to mutable one
        bitmap = bitmap.copy(bitmapConfig, true);

        Canvas canvas = new Canvas(bitmap);
        // new antialised Paint
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        // text color - #3D3D3D
        paint.setColor(Color.rgb(77, 77, 77));
        // text size in pixels
        paint.setTextSize((int) (13 * scale));
        // text shadow
        paint.setShadowLayer(1f, 0f, 1f, Color.DKGRAY);

        // draw text to the Canvas center
        Rect bounds = new Rect();
        paint.getTextBounds(mText, 0, mText.length(), bounds);
        int x = (int) ((bitmap.getWidth() - bounds.width()) / 4);
        int y = (int) ((bitmap.getHeight() + bounds.height()) / 4);

        canvas.drawText(mText, x * scale, y * scale, paint);

        return bitmap;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;

}

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