Android获取视图的类型

View view = findViewById(R.id.button);
if (view instanceof Button) {
    // 视图是Button类型
} else {
    // 视图不是Button类型
}

View view = findViewById(R.id.button);
String className = view.getClass().getName();

View view = findViewById(R.id.button);
Object tag = view.getTag();