Change specified Progress Bar Visibility or Indeterminate Progress Bar - Android User Interface

Android examples for User Interface:ProgressDialog

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  4. ProgressDialog

Description

Change specified Progress Bar Visibility or Indeterminate Progress Bar

Demo Code


import android.app.Activity;
import android.support.v4.app.Fragment;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.view.View;
import android.widget.ProgressBar;

public class Main{

    public static void changeProgressBarVisibility(Activity activity,
            boolean show) {
        ProgressBar progressBar = (ProgressBar) activity
                .findViewById(android.R.id.progress);
        changeProgressBarVisibility(progressBar, activity, show);
    }//from w w  w . j ava2  s .  c om

    public static void changeProgressBarVisibility(Fragment fragment,
            boolean show) {
        ProgressBar progressBar = (ProgressBar) fragment.getView()
                .findViewById(android.R.id.progress);
        changeProgressBarVisibility(progressBar, fragment.getActivity(),
                show);
    }

    public static void changeProgressBarVisibility(ProgressBar progressBar,
            Activity activity, boolean show) {
        if (progressBar != null) {
            if (show)
                progressBar.setVisibility(View.VISIBLE);
            else
                progressBar.setVisibility(View.GONE);
        } else {
            if (activity != null) {
                if (activity instanceof ActionBarActivity) {
                    ActionBarActivity actionBarActivity = (ActionBarActivity) activity;
                    actionBarActivity
                            .setSupportProgressBarIndeterminateVisibility(show);
                } else {
                    activity.setProgressBarIndeterminateVisibility(show);
                }
            }
        }
    }
}

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