小编Oli*_*ver的帖子

我想实现一个可靠的系统来创建自定义的Grouped Tableview,就像使用表的自定义样式的应用程序ConvertBot一样.

http://i.stack.imgur.com/geAuw.png

我会得到相同的效果使用背景图像插入单元格的backgroundView这是我正在使用的代码.

使用的代码

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath     *)indexPath
{
static NSString *CellIdentifier = @"Cell";

UITableViewCell *cell = (UITableViewCell*)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
    cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];      

    cell.textLabel.text = [NSString stringWithFormat:@"Cell Name %d %d",indexPath.row,indexPath.section];
    cell.textLabel.backgroundColor = [UIColor clearColor];

    //
    // Create a custom background image view.
    //        
    cell.backgroundView =
    [[[UIImageView alloc] init] autorelease];
    cell.selectedBackgroundView =
    [[[UIImageView alloc] init] autorelease];
    UIImage *rowBackground;
    UIImage *selectionBackground;
    NSInteger sectionRows = [self.tableView numberOfRowsInSection:[indexPath section]];
    NSInteger row …

其实我试图在Android Drawer示例中实现Google Map,基本上我想通过选择第一个菜单项来显示地图.所有提供的示例都是对所有地图使用FragmentActivity,我安排扩展Fragment类(由抽屉使用),创建一个适合Map的类.不幸的是App在发布时崩溃:

主要活动

public class HLMainActivity extends ActionBarActivity implements
    NavigationDrawerFragment.NavigationDrawerCallbacks {

/**
 * Fragment managing the behaviors, interactions and presentation of the
 * navigation drawer.
 */
private NavigationDrawerFragment mNavigationDrawerFragment;

/**
 * Used to store the last screen title. For use in
 * {@link #restoreActionBar()}.
 */
private CharSequence mTitle;

public static FragmentManager fragmentManager;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_hlmain);

    // initialising the object of the FragmentManager. Here I'm passing getSupportFragmentManager(). You can pass getFragmentManager() if you are coding …