我想在可扩展列表中放置一个带有图像的gridview ...我已经做到了,但gridview没有显示所有项目......
如何让我的可扩展列表子项适应gridview大小?
列表适配器
public class CustomListAdapter extends BaseExpandableListAdapter
{
String[] catg = { "Administração, Escritorio e Industria", "Cultura e Entretenimento", "Educação e Crianças", "Eventos e Estado do tempo", "Amigos, Familia e Habitações", "Multimédia", "Diversos", "Números e Letras", "Restaurantes e Hoteis", "Desporto, Saude e Beleza", "Lojas", "Turismo e Natureza", "Transportes" };
Context myctx;
@Override
public Object getChild(int groupPosition, int childPosition)
{
// TODO Auto-generated method stub
return null;
}
@Override
public long getChildId(int groupPosition, int childPosition)
{
return childPosition;
} …
Run Code Online (Sandbox Code Playgroud) 谁有人能告诉我android 2.3中是否支持multi dex?
我已经四处寻找,但我无法找到相关信息.我的项目具有与此类似的配置:https://github.com/mustafa01ali/MultiDexTest
该项目构建没有问题,但最终的apk无法安装在2.3或更低的设备中.
在安装时我收到错误
Failure [INSTALL_FAILED_DEXOPT]
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在Android Studio中,它出现在logcat中:
E/dalvikvm? LinearAlloc exceeded capacity (5242880), last=1384
W/installd? DexInv: --- END '/data/app/xxx.apk' --- status=0x000b, process failed
E/installd? dexopt failed on '/data/dalvik-cache/data@app@xxx.apk@classes.dex' res = 11
Run Code Online (Sandbox Code Playgroud) 我已经对此做了很多搜索,但我没有发现任何真正有用的东西.我只是想知道是否可以使用SyncAdapter和内容提供程序将远程数据库与android sqlite数据库同步.我不想使用其他解决方案,如webservices或将数据库文件发送到服务器,如果可能,我需要实现规则来解决冲突.谢谢.
我正在使用以下代码唤醒手机的屏幕:
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
wl = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "XPAND-IT");
wl.acquire();
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运行此代码后,我想重置屏幕超时以释放唤醒锁定.我该怎么做?