Fragment通過hide、show實現動態切換
阿新 • • 發佈:2018-12-30
簡單實現XML佈局,建立Fragment,找控制元件,例項化物件,對於大家來說都是小kiss了
最核心的程式碼 showFragment()
// 展示Fragment private void showFragment(Fragment fragment){ if (currentFragment != fragment){// 判斷傳入的fragment是不是當前的currentFragmentgit FragmentTransaction transaction = manager.beginTransaction(); transaction.hide(currentFragment);// 不是則隱藏 currentFragment = fragment; // 然後將傳入的fragment賦值給currentFragment if (!fragment.isAdded()){ // 判斷傳入的fragment是否已經被add()過 transaction.add(R.id.frameLayout,fragment).show(fragment).commit(); }else{ transaction.show(fragment).commit(); } } } @Override public void onClick(View v) { switch (v.getId()){ case R.id.tuijian: showFragment(tuijian); break; case R.id.duanzi: showFragment(duanzi); break; case R.id.video: showFragment(video); break; } }