java - 从其他 Activity 获取整数变量

Question

    button1.setOnClickListener(new OnClickListener()
    {

        public void onClick(View v)
        {

            numberPicker1int = Integer.parseInt(numberPicker1.getContext().toString());
            numberPicker2int = Integer.parseInt(numberPicker2.getContext().toString());
            value1=numberPicker1int;
            value2=numberPicker2int;
   }
        });

value1 和 value2 在其他 Activity (MainActivity)中。我如何获取 value1(int) 和 value2(int)？

Answer 1

在主要 Activity 中:

Intent Intent = new Intent(MainActivity.this, SecondActivity.class); Intent.putExtra("值1",值1); Intent.putExtra("值2",值2); startActivity( Intent );

在您想要访问值的辅助 Activity 中:

    Bundle bundle = getIntent().getExtras();
    int value1 = bundle.getInt("value1");
    int value2 = bundle.getInt("value2");