![](/img/trans.png)
[英]Android Studio - onClick Fragment Transaction does not change Bottom Navigation Menu Icon Color
[英]Android - Bottom Navigation Menu change icon image
選擇后,我需要更改底部導航選項卡的圖標菜單。 我找到了使用item.setIcon(R.drawable.latest_icon_sel_green);
選擇圖像時更改圖像的方法item.setIcon(R.drawable.latest_icon_sel_green);
但是,現在我需要在取消選擇圖像時對其進行更改。 我該怎么辦?
navigation.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.navigation_latest:
viewPager.setCurrentItem(0);
item.setIcon(R.drawable.latest_icon_sel_green);
return true;
case R.id.navigation_news:
viewPager.setCurrentItem(1);
item.setIcon(R.drawable.news_icon_sel_green);
return true;
case R.id.navigation_user:
viewPager.setCurrentItem(2);
item.setIcon(R.drawable.user_icon_sel_green);
return true;
case R.id.navigation_upload:
viewPager.setCurrentItem(3);
item.setIcon(R.drawable.upload_icon_sel_green);
return true;
case R.id.navigation_share:
viewPager.setCurrentItem(4);
item.setIcon(R.drawable.share_icon_sel_green);
return true;
}
return false;
}
});
只需使用如下所示的xml創建自定義可繪制對象,然后將其添加到您的導航項目中即可,無需選擇setIcon,
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_selected="true" android:drawable="@drawable/share_icon_sel_green"/>
<item android:drawable="@drawable/share_icon_unsel_green"/>
</selector>
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