layout setVisibility(View.VISIBLE) is not working.

If doesn't show after setVisibility(View.VISIBLE), try this.

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mId = (View) findViewById(R.id.myID);
new Thread(new Runnable() {
    public void run() {

        mId.post(new Runnable() {

            public void run() {

                mId.setVisibility(View.VISIBLE);

            }

        });

    }

}).start();