Handling touch events in order

I want to write a program that handles touch events in a specific order within a single activity.

For example: A few views are shown. If the user doesn't tap on the first view, I will show another activity. If the user taps on it however, I want to detect a tap on the second, then the third, etc.

How can I handle mul开发者_JAVA百科tiple touch events? I think I need an onTouchEvent method and in it I need an if-else statement for the first click but I don't know how I can monitor for the subsequent touch events.

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It may help you.I always do like this

public void onClick(View v){
if(v==imageView1){

//do ssomething 
}
if(v== imageView2){
//do something
}
if(v==imageView3){
//do something
}

like this u can do according to different button or imageview

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I'm assuming the picture is an ImageView inside the main view. Why not just append touchlisteners to each view?

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Set the onClickListener for the n+1 view only when nth view is clicked.

Like this

view1.setOnClickListener(new OnClickListener() {
     void onClick(View v) {
        view2.setOnclickListner(new Onclicklistener() {
           void onClick(View v) {
           // add further view's click listeners else do what ever if this 
           // is the last view.
           }
        });
    }

});

Not an elegant solution but should work IMHO.

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From your problem statement it seems you have an ordered list of views, each should have a touch listener, but the listener for the second view should not fire unless the listener for the first view has fired first.

This can easily be done by keeping a counter in your activity: private int highestIndexTapped. When a view is tapped, check whether its index is such that index == highestIndexTapped + 1.

If it is, increase highestIndexTapped by 1 and fire the listener. Otherwise either eat the touch event or pass it on to the next part of your pipeline.