gistfile1.txt

public class MyActivity extends Activity {
	
	private Toast mTextToast;

  	...
  
	private void makeToast(String message) {
	      	if (mTextToast != null) {
	    		mTextToast.cancel();
	  	}
	  	mTextToast = Toast.makeText(this, message, Toast.LENGTH_SHORT);
	  	mTextToast.show();
	}

	private void hideToast() {
  		if (mTextToast != null) {
  			mTextToast.cancel();
  			mTextToast = null;
  		}
	}
  
	...

	@Override
	protected void onPause() {
      		super.onPause();
		hideToast();
	}

	...

}