Example usage for android.content.pm PackageManager getDefaultActivityIcon

Introduction

In this page you can find the example usage for android.content.pm PackageManager getDefaultActivityIcon.

Prototype

public abstract Drawable getDefaultActivityIcon();

Source Link

Document

Return the generic icon for an activity that is used when no specific icon is defined.

Usage

From source file:Main.java

public static Drawable loadIcon(Context context, int icon, String packageName) {
    PackageManager pm = context.getPackageManager();
    if (icon != 0) {
        Drawable dr = pm.getDrawable(packageName, icon, null);
        if (dr != null) {
            return dr;
        }//from   w  w  w.j a  va 2s . c  om
    }
    return pm.getDefaultActivityIcon();
}

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From source file:org.mozilla.gecko.GeckoAppShell.java

public static byte[] getIconForExtension(String aExt, int iconSize) {
    try {//from   ww w. j a va2 s .c  o  m
        if (iconSize <= 0)
            iconSize = 16;

        if (aExt != null && aExt.length() > 1 && aExt.charAt(0) == '.')
            aExt = aExt.substring(1);

        PackageManager pm = GeckoApp.mAppContext.getPackageManager();
        Drawable icon = getDrawableForExtension(pm, aExt);
        if (icon == null) {
            // Use a generic icon
            icon = pm.getDefaultActivityIcon();
        }

        Bitmap bitmap = ((BitmapDrawable) icon).getBitmap();
        if (bitmap.getWidth() != iconSize || bitmap.getHeight() != iconSize)
            bitmap = Bitmap.createScaledBitmap(bitmap, iconSize, iconSize, true);

        ByteBuffer buf = ByteBuffer.allocate(iconSize * iconSize * 4);
        bitmap.copyPixelsToBuffer(buf);

        return buf.array();
    } catch (Exception e) {
        Log.i(LOGTAG, "getIconForExtension error: ", e);
        return null;
    }
}

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