我在堆栈溢出上没有找到这个问题的任何好的答案。我正在使用 Android Studio 默认抽屉导航布局。我尝试从fragment_navigation.xml 更改textView 的颜色,但这没有帮助。我不知道如何在 NavigationDrawerFragment.java 中更改颜色。也许需要对下面的代码进行一些编辑。
mDrawerListView.setAdapter(new ArrayAdapter<String>(
getActionBar().getThemedContext(),
android.R.layout.simple_list_item_activated_1,
android.R.id.text1,
new String[]{
getString(R.string.title_section1),
getString(R.string.title_section2),
getString(R.string.title_section3),
getString(R.string.title_section4),
getString(R.string.title_section5),
getString(R.string.title_section6)
}));
ViewGroup header = (ViewGroup) inflater.inflate(R.layout.headers, mDrawerListView,false);
mDrawerListView.addHeaderView(header, null, false);
mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);
return mDrawerListView;
}
此外,我找不到任何关于在抽屉导航列表中添加图标和文本的好教程。请也帮我解决这个问题。
最佳答案
您需要做的就是创建一个自定义适配器,而不是在默认代码中使用 ArrayAdapter。
我刚刚得到一个简单的示例,它使用扩展 ArrayAdapter 的自定义适配器。
首先,您需要自定义适配器中每一行的布局。
nav_drawer_item.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal" android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/icon"
android:paddingTop="20dp"
android:layout_width="35dp"
android:layout_height="55dp" />
<TextView
android:id="@+id/text"
android:textStyle="bold"
android:textColor="#ff69b4"
android:paddingTop="25dp"
android:layout_marginLeft="4dp"
android:layout_width="wrap_content"
android:layout_height="55dp" />
</LinearLayout>
然后,在 NavigationDrawerFragment.java 中定义自定义适配器,并使用它代替默认的 ArrayAdapter:
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mDrawerListView = (ListView) inflater.inflate(
R.layout.fragment_navigation_drawer, container, false);
mDrawerListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selectItem(position);
}
});
//Use Custom Adapter instead:
mDrawerListView.setAdapter(new CustomNavAdapter(
NavigationDrawerFragment.this.getActivity(),
new String[]{
getString(R.string.title_section1),
getString(R.string.title_section2),
getString(R.string.title_section3),
},
new Integer[]{
R.drawable.ic_launcher,
R.drawable.ic_launcher,
R.drawable.ic_launcher,
}));
mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);
return mDrawerListView;
}
public class CustomNavAdapter extends ArrayAdapter<String> {
private final Activity _context;
private final String[] _text;
private final Integer[] _imageId;
public CustomNavAdapter(Activity context, String[] text, Integer[] imageId) {
super(context, R.layout.nav_drawer_item, text);
this._context = context;
this._text = text;
this._imageId = imageId;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = _context.getLayoutInflater();
View rowView = inflater.inflate(R.layout.nav_drawer_item, null, true);
TextView txtTitle = (TextView) rowView.findViewById(R.id.text);
ImageView imageView = (ImageView) rowView.findViewById(R.id.icon);
txtTitle.setText(_text[position]);
imageView.setImageResource(_imageId[position]);
return rowView;
}
}
结果:
关于android - 更改抽屉导航列表文本颜色并添加图标,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/30552451/