类的更新与解释

xdx_branch
dingxuXie 2 years ago
parent f00a23e418
commit f9f694612f

@ -12,24 +12,24 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
*/ */ //源代码文件的头部注释,请确保代码的合理性
package net.micode.notes.tool;// package net.micode.notes.tool;//包内含有相关类和其他应用程序内部的类
import android.content.Context; import android.content.Context;//安卓开发的标准类库
import android.database.Cursor; import android.database.Cursor;
import android.os.Environment; import android.os.Environment;
import android.text.TextUtils; import android.text.TextUtils;
import android.text.format.DateFormat; import android.text.format.DateFormat;
import android.util.Log; import android.util.Log;
import net.micode.notes.R; import net.micode.notes.R;//用于管理笔记数据和资源n
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants; import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import java.io.File; import java.io.File;//在JAVA中实现操作功能的类
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
import java.io.FileOutputStream; import java.io.FileOutputStream;
import java.io.IOException; import java.io.IOException;

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