摘要：以下是对应的xml 以下是MainActivity的全部代码 阅读全文

摘要：数据库升级：v1.0-v2.1从v1.0升级到v2.01，不走oncreate,走onupdategrade直接安装v2.0，走onCreate;v1.0-v3.0:分三种情况1.v1.0升级到v3.0: 不走onCreate，走onUpgrade2.v2.0升级到v3.0:不走onCreate，走onUpgrade3.直接安装v3.0:走onCreate，不走onUpgradepublic c... 阅读全文

摘要：public class XCRoundRectImageView extends ImageView { private Paint paint; public XCRoundRectImageView(Context context) { this(context,null); } public 阅读全文

摘要：public class CountDownTimerUtils extends CountDownTimer{ private TextView mTextView; public CountDownTimerUtils(TextView textView, long millisInFuture 阅读全文

摘要：更新的工具类updateUtils: public class UpdateAppUtils { private final String TAG = "UpdateAppUtils"; public static final int CHECK_BY_VERSION_NAME = 1001; pu 阅读全文