Android DialogInterface无限循环

Question

以下是我的android程序中的方法，当被调用时，它被发送到无限循环中。任何帮助将不胜感激。如果你需要堆栈跟踪来解决这个问题，它可能是不可能的，因为一旦这个无限循环开始，它就是大约30,000行。

AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Enter a Title:");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_TEXT);
builder.setView(input);

builder.setPositiveButton("OK", new DialogInterface.OnClickListener() { 
    @Override
    public void onClick(DialogInterface dialog, int which) {
        inputtext = input.getText().toString();
    }
});
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
    @Override
    public void onClick(DialogInterface dialog, int which) {
        dialog.cancel();
    }
});
builder.show();

try {
    Thread.sleep(100);
}
catch (InterruptedException e1) {
    e1.printStackTrace();
}

ShoppingList list  = new ShoppingList(this.getFilesDir() + inputtext);

while(stop == 0) {
    AlertDialog.Builder builder2 = new AlertDialog.Builder(this);
    builder.setTitle("Enter an item:");
    final EditText input2 = new EditText(this);
    input2.setInputType(InputType.TYPE_CLASS_TEXT);
    builder.setView(input2);
    builder.setPositiveButton("Add", new DialogInterface.OnClickListener() { 
        @Override
        public void onClick(DialogInterface dialog, int which) {
            inputtext = input.getText().toString();
        }
    });
    builder.setNegativeButton("Stop", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            dialog.cancel();
            stop = 1;
        }
    });
    builder2.show();

    try {
        list.addItem(inputtext);
    } 
    catch (IOException e) {
        e.printStackTrace();
    }
}