如何使用变量设置目标活动

Question

如何将意图中的变量用作目标活动？

String var1 = et.getText().toString();
Intent intent = new Intent(MainActivity.this,MainActivity2.class);//MainActivity2.class => var1

Answer 1

以下是：

try {
    // Considering var1 = MainActivity2
    Class cls = Class.forName("package.name." + var1);
    Intent intent = new Intent(MainActivity.this, cls);
    startActivity(intent);
} catch (ClassNotFoundException e) {
    e.printStackTrace();
}