Snippets

Index

• Change png icon color from drawable resources or runtime

• Remove notification bar and make app full screen

• Add dialog box for alert

Change png icon color from drawable resources or runtime

 Drawable mIcon= ContextCompat.getDrawable(getActivity(), R.drawable.your_icon);
    mIcon.setColorFilter(ContextCompat.getColor(getActivity(), R.color.new_color), PorterDuff.Mode.MULTIPLY);
    mImageView.setImageDrawable(mIcon);

drawable = DrawableCompat.wrap(drawable);
DrawableCompat.setTint(drawable, color);

Remove notification bar and make app full screen

WindowManager.LayoutParams attrs = this.getWindow().getAttributes();
        attrs.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
        this.getWindow().setAttributes(attrs);

Place this code in MainActivity OnCreate()

Add dialog box for alert

AlertDialog.Builder builder1 = new AlertDialog.Builder(context);
builder1.setMessage("Write your message here.");
builder1.setCancelable(true);

builder1.setPositiveButton(
    "Yes",
    new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int id) {
            dialog.cancel();
            /* DoSomethingWhenUserSaysYes() */
        }
    });

builder1.setNegativeButton(
    "No",
    new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int id) {
            dialog.cancel();
            /* DoSomethingWhenUserSaysNo() */
        }
    });

AlertDialog alert11 = builder1.create();
alert11.show();