Create a custom loading dialog

Create below class in your code :

public class TransparentProgressDialog extends Dialog {

    private ImageView iv;

    public TransparentProgressDialog(Context context, int resourceIdOfImage) {
        super(context, R.style.TransparentProgressDialog);
        WindowManager.LayoutParams wlmp = getWindow().getAttributes();
        wlmp.gravity = Gravity.CENTER_HORIZONTAL;
        getWindow().setAttributes(wlmp);
        setTitle(null);
        setCancelable(false);
        setOnCancelListener(null);
        LinearLayout layout = new LinearLayout(context);
        layout.setOrientation(LinearLayout.VERTICAL);
        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        iv = new ImageView(context);
        iv.setImageResource(resourceIdOfImage);
        layout.addView(iv, params);
        addContentView(layout, params);
    }

    @Override    public void show() {
        super.show();
        RotateAnimation anim = new RotateAnimation(0.0f, 360.0f , Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f);
        anim.setInterpolator(new LinearInterpolator());
        anim.setRepeatCount(Animation.INFINITE);
        anim.setDuration(3000);
        iv.setAnimation(anim);
        iv.startAnimation(anim);
    }
}

Now Put below style in your android styles.xml file :

Now Use Dialog in your code :

Author : Nectar Websoft

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