Android - 自定义ListView只有一个单排

• Z时代
• 2024-01-10
• 分类：问答

我想要像下面的图像显示...作为项目3，项目4和项目7有一个切换开关，但项目1，项目2，项目5，项目6 Doesn'没有。有人能帮助我，使这个布局，使拨动开关工作太Android - 自定义ListView只有一个单排

我希望这（产地在Photoshop）

我的Java文件

import android.content.*; 
import android.view.*; 
import android.widget.*; 
class CustomSettingsAdapter extends ArrayAdapter<String> { 
String[] settingItems = { 
     "Themes", 
     "Entry Tune", 
     "Remember Last Location", 
     "About Us", 
     "Exit" 
}; 
public CustomSettingsAdapter(Context context, String[] Items) { 
    super(context, R.layout.main_settings_listview, Items); 
} 
@Override 
public View getView(final int position, View convertView, ViewGroup parent) { 
    LayoutInflater layoutInflater = LayoutInflater.from(getContext()); 
    View customView = layoutInflater.inflate(R.layout.main_settings_listview, parent, false); 
    String itemName = getItem(position); 
    TextView textView =(TextView) customView.findViewById(R.id.itemName); 
    Switch mButton = (Switch) customView.findViewById(R.id.Switch); 
    if (position == 1 || position == 2) { 
     mButton.setVisibility(View.VISIBLE); 
    } 
    textView.setText(settingItems[position]); 
    return customView; 
} 
} 

* * XML **

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout 
xmlns:android="http://schemas.android.com/apk/res/android" 
android:orientation="vertical" 
android:layout_width="match_parent" 
android:layout_height="match_parent"> 
<RelativeLayout 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:padding="6dp" 
    android:minHeight="48dp" 
    android:id="@+id/mainActivityListBackground" 
    > 
    <TextView 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:text="Item Number" 
     android:id="@+id/itemName" 
     android:layout_marginLeft="5dp" 
     android:textSize="18sp" 
     android:layout_centerVertical="true" 
     /> 
    <Switch 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:id="@+id/Switch" 
     android:visibility="invisible" 
     android:layout_alignParentRight="true" 
     /> 
</RelativeLayout> 
</RelativeLayout> 

回答：

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:id="@+id/linear" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:orientation="horizontal"> 
    <TextView 
     android:id="@+id/code" 
     android:layout_width="0dp" 
     android:layout_height="wrap_content" 
     android:layout_marginLeft="30dp" 
     android:layout_weight="1" 
     android:textSize="16dp" /> 
    <Switch 
     android:id="@+id/toggleButton" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:checked="true" 
     android:gravity="center" 
     android:text="Off" 
     android:visibility="invisible" /> 
</LinearLayout> 

public class PhoneAdapter extends BaseAdapter { 
    private Context context; 
    public PhoneAdapter(Context context) { 
     this.context = context; 
    } 
    @Override 
    public int getCount() { 
     return 7; 
    } 
    @Override 
    public Object getItem(int i) { 
     return i; 
    } 
    @Override 
    public long getItemId(int i) { 
     return i; 
    } 
    @Override 
    public View getView(final int i, View convertView, ViewGroup viewGroup) { 
     convertView = View.inflate(context, R.layout.item, null); 
     TextView mCode = (TextView) convertView.findViewById(R.id.code); 
     Switch mButton = (Switch) convertView.findViewById(R.id.toggleButton); 
     mCode.setText("item"+i+1); 
     if (i == 2 || i == 3 || i == 6) 
      mButton.setVisibility(View.VISIBLE); 
     return convertView; 
    }} 

回答：

@Override 
public int getViewTypeCount() { 
    return VIEW_TYPE_COUNT; 
} 
@Override 
public int getItemViewType(int position) { 
    return position; 
} 

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