android toast

Toast toast = Toast.makeText(MainActivity.this, R.string.user_defined_location, Toast.LENGTH_LONG);

toast.setGravity(Gravity.CENTER_VERTICAL, 0, -50);//设置位置

ImageView image = new ImageView(MainActivity.this);

image.setImageResource(R.drawable.ic_launcher);//生成一个现实Logo的ImageViewtoastView.addView(image);//将ImageView加载到LinearLayout上面

toast.show();