Fragment

关于Fragment

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //创建管理对象
        FragmentManager supportFragmentManager = getSupportFragmentManager();
        //获取事务对象
        FragmentTransaction fragmentTransaction = supportFragmentManager.beginTransaction();
        //创建一个对象
        BlankFragment2 blankFragment2 = new BlankFragment2();
        //添加
        fragmentTransaction.add(R.id.f,blankFragment2);
        //移除
        fragmentTransaction.remove(blankFragment2);
        //实例化对象
        BlankFragment blankFragment = new BlankFragment();
        //替换布局，步骤先移除，在add
        fragmentTransaction.replace(R.id.f,blankFragment2);
        //隐藏一个F
        fragmentTransaction.hide(blankFragment2);
        //提叫
        fragmentTransaction.commit();
    }