Lab4 #5 Change Image

To be familiarized with

• Change of image on ImageView

ImageView iv;//declare as class variable

//Change Image to earlyman
iv.setImageResource(R.drawable.earlyman);

Step 1: Place the codes in the correct sections

Here are the partial codes

//#6 Define count , ImageView and movieName
int count=0;
ImageView iv;
String movieName ="First Man";

//#7 bind the xml view with java iv using its id, R.id.imageView1
iv = (ImageView)findViewById(R.id.imageView1);


//#8 Show the rating value and movieName on Toast
Toast.makeText(MainActivity.this,"Movie Rating is for "+ movieName+ "  : "+String.valueOf(ratingBar.getRating()),                      Toast.LENGTH_SHORT).show();

//#9 Toggle the image after submit button clicked
if ( count%2==0) //even number 0,2,4,6
{
iv.setImageResource(R.drawable.earlyman); //toggle ImageView to earlyman
movieName ="Early Man";
}
else
{
iv.setImageResource(R.drawable.firstman);//toggle ImageView to firstman
 movieName ="First Man";

}


//#10 increase the count and reset ratingBar to zero

count++; //increase count by 1
ratingBar.setRating(0);

Demo and explanation of codes