Question

I want to show my list view when the user clicks on a button and hide it again when they click on a button. This is the onClick listener for the button in question:

connectBtn.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            if(open){
                mDbAdapter.close();
                connectBtn.setText("Open Database");
                open = false;
                hideUI();


            }else{
                mDbAdapter = new ContactsDbAdapter(v.getContext());
                mDbAdapter.open();
                connectBtn.setText("Close Database");
                open = true;
                showUI();
                //retrieve data
                fillData();
            }
        }
    });

This is the showUI() method:

protected void showUI() {
    fName.setVisibility(View.VISIBLE);
    lName.setVisibility(View.VISIBLE);
    fNameBox.setVisibility(View.VISIBLE);
    lNameBox.setVisibility(View.VISIBLE);
    createBtn.setVisibility(View.VISIBLE);
    this.setVisible(true);

    createBtn.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            mDbAdapter.createContact(fNameBox.getText().toString(), lNameBox.getText().toString());
            fillData();
        }
    });
}

and the hideUI() method:

protected void hideUI() {
    fName.setVisibility(View.INVISIBLE);
    lName.setVisibility(View.INVISIBLE);
    fNameBox.setVisibility(View.INVISIBLE);
    fNameBox.clearComposingText();
    lNameBox.setVisibility(View.INVISIBLE);
    lNameBox.clearComposingText();
    createBtn.setVisibility(View.INVISIBLE);
    this.setVisible(false);

}

It works fine when I set the visibility to true. However when I set it to false I get a black screen but no crash or error. Any idea?

NOTE: this.setVisible(false);. My class extends ListActivity.

Answer 1

setVisibility(View.INVISIBLE);

Just makes you view invisible but the space taken by view will be their itself

use setVisibility(View.GONE); so that the size of view will be lapsed

Use this and let me know if it is helpful