• 获取状态栏高度

private static int getStatusBarHeight() {  
        Class<?> c = null;  
        Object obj = null;  
        Field field = null;  
        int x = 0, sbar = 0;  
        try {  
            c = Class.forName("com.android.internal.R$dimen");  
            obj = c.newInstance();  
            field = c.getField("status_bar_height");  
            x = Integer.parseInt(field.get(obj).toString());  
            sbar = mContext.getResources().getDimensionPixelSize(x);  
        } catch (Exception e1) {  
            e1.printStackTrace();  
        }  
        return sbar;  
    }

• 让悬浮窗覆盖状态栏

public class ToastUtils {
    private static Toast toast;
    private static Context mContext;
    public static void show(Context context,String text,int duration){
        mContext = context;
        if(null == toast){
            toast = Toast.makeText(mContext, text, duration);
        }
        else{
            toast.setText(text);
            toast.setDuration(duration);
        }
        toast.show();
    }
    
    public static void show(Context context,int id,int duration){
        mContext = context;
        if(null == toast){
            toast = Toast.makeText(mContext, id, duration);
        }
        else{
            toast.setText(id);
            toast.setDuration(duration);
        }
        toast.show();
    }
}

• Android AccessibilityService 使用详解
  Android AccessibilityService 使用详解

• AccessibilityService实例
  AccessibilityService实例

• Android辅助功能AccessibilityService的使用