Question

My question is how do you check the image’s resource? In my onClick method there’s a countdown (which I summarized to avoid long post) which on every tick randomizes a boolean. If true, img1 resource is set to headAppear.jpg. If false, img1 sets to headHide.jpg.

What code will I put in the onClick() to check whether the picture is headAppear or headHide? What I want to do is, if I clicked img1 and it shows headAppear, score++. Else, if it shows headHide, score--.

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In my onCreate() method:

ImageView img1 = (ImageView) findViewById(R.id.pic1);
img1.setOnClickListener( this );

//Countdown method here
var = aRandom.nextBoolean();
if( var == true ) {
   img1.setImageResource( R.drawable.headAppear );
} else {
   img1.setImageResource( R.drawable.headHide );
}
//End of countdown method

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In my onClick(View v) method:

if (v == img1) {
   //insert code here
}

Answer 1

You can not restore the image resource from the contains of an ImageView I will recommend you to have separate flag that you set in your if /else and us it to determine what is being shown. That way your code will become:

ImageView img1 = (ImageView) findViewById(R.id.pic1);
img1.setOnClickListener(this);

/*Countdown method here*/
var = aRandom.nextBoolean();
if (var==true) {
    this.appear = true;
    img1.setImageResource(R.drawable.headAppear);
} else {
    this.appear = false;
    img1.setImageResource(R.drawable.headHide);
}
/*End of countdown method*/

And the check:

if (this.appear) {
   /*insert code here*/
}

Or you can even make your var variable with class visibility.