Harry_Kuma的专栏

数据库操作帮助类 import android.content.Context; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import android.provider.BaseColumns; public class UserDb

String  ACTION_IMAGE_CAPTURE  Standard Intent action that can be sent to have the camera application capture an image and return it. String  MEDIA_MOUNTED  getExternalStorageState() returns MEDIA_MOU