当我在 android studio 的底部导航栏中选择一个项目时,选择的背景项目等于 values->colors.xml 中的原色。现在我想改变这种与原色不同的颜色。我怎样才能改变它?
private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener
= new BottomNavigationView.OnNavigationItemSelectedListener() {
Fragment fragment;
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.navigation_home:
fragment = new HomeFragment();
loadFragment(fragment);
return true;
case R.id.navigation_addpost:
fragment = new AddFragment();
loadFragment(fragment);
return true;
case R.id.navigation_notifications:
// mTextMessage.setText(R.string.title_notifications);
return true;
case R.id.navigation_profile:
fragment = new ProfileFragment();
loadFragment(fragment);
return true;
}
return false;
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
loadFragment(new HomeFragment());
BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navigation);
navigation.setOnNavigationItemSelectedListener(mOnNavigationItemSelectedListener);
navigation.setItemTextColor(ColorStateList.valueOf(Color.RED));
}
最佳答案
更改 BottomNavigationView
中选定的选项卡图标颜色你应该使用选择器。
创建 bottom_navigation_selector.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_checked="true" android:color="@color/yourSelectedColor" />
<item android:color="@color/defaultColor" />
</selector>
申请
app:itemIconTint="@drawable/bottom_navigation_selector"
到 xml
中的底部导航 View 文件。
关于android - 如何更改android studio底部导航栏上选择的图标颜色,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51579977/