With this library you can use iOS UIAlertView on Android.
|  Two Buttons |  One Button | 
To install the library just add this line to your gradle:
implementation 'com.github.ramseth001:iOSDialog:0.1'
And add this where you want:
  new iOSDialogBuilder(MainActivity.this)
	.setTitle(getString(R.string.example_title))
	.setSubtitle(getString(R.string.example_subtitle))
	.setBoldPositiveLabel(true)
	.setCancelable(false)
	.setPositiveListener(getString(R.string.ok),new iOSDialogClickListener() {
	    @Override
	    public void onClick(iOSDialog dialog) {
		Toast.makeText(MainActivity.this,"Clicked!",Toast.LENGTH_LONG).show();
		dialog.dismiss();
	    }
	})
	.setNegativeListener(getString(R.string.dismiss), new iOSDialogClickListener() {
	    @Override
	    public void onClick(iOSDialog dialog) {
		dialog.dismiss();
	    }
	})
	.build().show();
If you liked this library, add a star to this project and feel free to make a fork!