版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_38998213/article/details/82149682
这里面有假删除也就是放入回收站；获取假删除文件即回收站文件；真正删除文件；恢复回收站文件； 回收站与隐私空间类似，原理一样，只不过叫法不同。 其中假删除的操作原理是：首先获取文件路径，对文件命名前加“.”，进行文件重命名，将文件路径进行重命名标记，保存到sp中。使用Contentresolver对数据库进行删除操作，这样我们使用cursor对media数据库查询就不会显示已经删除的数据。 获取回收站或者隐私空间的文件是通过sp文件中存的数据进行获取的。
/*删数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
}
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.MediaStore;
import android.support.annotation.NonNull;
import android.util.Log;
import com.blankj.utilcode.util.SPUtils;
import com.example.john.greendaodemo.DBManagerClassifiy;
import com.nick.albummanagement.database.bean.AlbumBean;
import com.nick.albummanagement.database.bean.PhotoUpImageItem;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* Created by
* Stone on 2018/8/10.
*/
public class HiddenHelper {
public static final String PHOTO_DUMP_ALL = "PHOTO_DUMP_ALL_HIDDEN";
public static final String VIDEO_DUMP_ALL = "VIDEO_DUMP_ALL_HIDDEN";
public static final String PHOTO_SP_NAME = "PHOTO_SP_NAME_HIDDEN";
public static final String VIDEO_SP_NAME = "VIDEO_SP_NAME_HIDDEN";
private static HiddenHelper instance ;
private HiddenHelper() {
}
public static HiddenHelper getInsatnce(){
if (instance == null){
synchronized (HiddenHelper.class){
if (instance == null){
instance = new HiddenHelper();
}
}
}
return instance;
}
@NonNull
public List<AlbumBean> getDeletePhoto(){
List<AlbumBean> result = new ArrayList<>();
String dumpPhoto = getDumpPhoto();
String[] files = dumpPhoto.split("\\|");
for (int i = 0; i < files.length; i++) {
if (!files[i].isEmpty()) {
String[] timeAndPath = files[i].split("\\*");
long time;
try {
time = Long.parseLong(timeAndPath[0]);
} catch (NumberFormatException e) {
time = 0;
} catch (Exception e) {
time = 0;
}
String path = timeAndPath[1];
//String strTime = timeAndPath[0];
//photoFiles.add(new MyFile(path, false, 1, time, strTime));
File file = new File(path);
if (file!= null && file.exists()){
AlbumBean bean = new AlbumBean();
bean.setPath(path);
bean.setAddDate(""+time);
bean.setFlag(0);
result.add(bean);
}else{
removeDumpPhoto(files[i]);
}
}else{
}
}
return result;
}
@NonNull
public List<AlbumBean> getDeleteVideo(){
List<AlbumBean> result = new ArrayList<>();
String dumpPhoto = getDumpVideo();
String[] files = dumpPhoto.split("\\|");
for (int i = 0; i < files.length; i++) {
if (!files[i].isEmpty()) {
String[] timeAndPath = files[i].split("\\*");
long time;
try {
time = Long.parseLong(timeAndPath[0]);
} catch (NumberFormatException e) {
time = 0;
} catch (Exception e) {
time = 0;
}
String path = timeAndPath[1];
//String strTime = timeAndPath[0];
//photoFiles.add(new MyFile(path, false, 1, time, strTime));
File file = new File(path);
if (file!= null && file.exists()){
AlbumBean bean = new AlbumBean();
bean.setPath(path);
bean.setAddDate(""+time);
bean.setFlag(1);
result.add(bean);
}else{
removeDumpPhoto(files[i]);
}
}else{
}
}
return result;
}
//deletePhotoToBinByTag
public boolean deletePhotoToBin(@NonNull Context context, @NonNull AlbumBean albumBean,long time){
String imgPath = albumBean.getPath();
//String name = albumBean.getDisplayName();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String name = file.getName();
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpPhoto( time + "*" + newPath);
DBManagerClassifiy.getInstance(context).deleteTagPhotoByPath(albumBean.getPath());
System.out.println("PhotoCleanActivity.HideFile" + newPath + "sdfasdf" + file.getAbsolutePath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
public boolean deleteToBinByType(@NonNull Context context, @NonNull AlbumBean albumBean,long time){
Log.e("AAA", "deleteToBinByType: ----->"+albumBean.getPath() );
if (albumBean.getType() != null ){
if ( albumBean.getType().contains("image")){
String imgPath = albumBean.getPath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String name = file.getName();
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpPhoto( time + "*" + newPath);
DBManagerClassifiy.getInstance(context).deleteTagPhotoByPath(albumBean.getPath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
//video
}else if (albumBean.getType().contains("video")){
String imgPath = albumBean.getPath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String name = file.getName();
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpVideo( time + "*" + newPath);
System.out.println("PhotoCleanActivity.HideFile" + newPath + "sdfasdf" + file.getAbsolutePath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Video.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Video.Media._ID}, MediaStore.Video.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri =MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
}
return false;
}
public boolean deletePhotoToBinByType(@NonNull Context context, @NonNull AlbumBean albumBean,long time){
if (albumBean.getType() != null ){
// pic
if ( albumBean.getType().equals("0")){
String imgPath = albumBean.getPath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String name = file.getName();
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpPhoto( time + "*" + newPath);
DBManagerClassifiy.getInstance(context).deleteTagPhotoByPath(albumBean.getPath());
System.out.println("PhotoCleanActivity.HideFile" + newPath + "sdfasdf" + file.getAbsolutePath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
//video
}else if (albumBean.getType().equals("0")){
String imgPath = albumBean.getPath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String name = file.getName();
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpVideo( time + "*" + newPath);
System.out.println("PhotoCleanActivity.HideFile" + newPath + "sdfasdf" + file.getAbsolutePath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Video.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Video.Media._ID}, MediaStore.Video.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri =MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
}
return false;
}
public boolean deletePhotoToBinByTag(@NonNull Context context, @NonNull AlbumBean albumBean,long time){
Log.e("AAA", "deletePhotoToBinByTag: "+albumBean.getPath() );
// pic
if (albumBean.getFlag() ==0){
String imgPath = albumBean.getPath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String name = file.getName();
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpPhoto( time + "*" + newPath);
DBManagerClassifiy.getInstance(context).deleteTagPhotoByPath(albumBean.getPath());
System.out.println("PhotoCleanActivity.HideFile" + newPath + "sdfasdf" + file.getAbsolutePath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
//video
}else if (albumBean.getFlag() ==1){
String imgPath = albumBean.getPath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String name = file.getName();
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpVideo( time + "*" + newPath);
System.out.println("PhotoCleanActivity.HideFile" + newPath + "sdfasdf" + file.getAbsolutePath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Video.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Video.Media._ID}, MediaStore.Video.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri =MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
return false;
}
public boolean deleteSimilarPhotoToBin(@NonNull Context context, @NonNull PhotoUpImageItem albumBean, long time){
String imgPath = albumBean.getImagePath();
String name = albumBean.getDisPlayName();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpPhoto( time + "*" + newPath);
System.out.println("PhotoCleanActivity.HideFile" + newPath + "sdfasdf" + file.getAbsolutePath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
public boolean deleteSimilarPhotoReal(@NonNull Context context, @NonNull PhotoUpImageItem albumBean){
String imgPath = albumBean.getImagePath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
file.delete();
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
public boolean deleteTagPhotoToBin(@NonNull Context context, @NonNull PhotoUpImageItem albumBean, long time){
String imgPath = albumBean.getImagePath();
// String name = albumBean.getDisPlayName();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
String name = file.getName();
String newPath = file.getAbsolutePath().replace(name, "." + name);
file.renameTo(new File(newPath));
saveDumpPhoto( time + "*" + newPath);
System.out.println("PhotoCleanActivity.HideFile" + newPath + "sdfasdf" + file.getAbsolutePath());
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
DBManagerClassifiy.getInstance(context).deleteTagPhotoByPath(albumBean.getImagePath());
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
public boolean deleteTagPhotoReal(@NonNull Context context, @NonNull PhotoUpImageItem albumBean){
String imgPath = albumBean.getImagePath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
file.delete();
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
DBManagerClassifiy.getInstance(context).deleteTagPhotoByPath(albumBean.getImagePath());
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
public boolean deletePhotoReal(@NonNull Context context, @NonNull AlbumBean albumBean){
String imgPath = albumBean.getPath();
/*文件名前面加. 隐藏 若需要显示就去掉.同时保存到sharedprefence中*/
File file = new File(imgPath);
file.delete();
/*删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{imgPath}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} /*else {
File file = new File(imgPath);
result = file.delete();
}*/
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
/*保存回收站图片的path*/
private void saveDumpPhoto(@NonNull String path) {
SPUtils.getInstance(PHOTO_SP_NAME).put(
PHOTO_DUMP_ALL, getDumpPhoto() + "|" + path);
}
/*获取回收站图片的path*/
private String getDumpPhoto() {
return SPUtils.getInstance(PHOTO_SP_NAME).getString( PHOTO_DUMP_ALL, "");
}
/*删除回收站中某一个图片的path*/
private void removeDumpPhoto(@NonNull String path) {
SPUtils.getInstance(PHOTO_SP_NAME).put( PHOTO_DUMP_ALL,
getDumpPhoto().replace(path, ""));
}
/*保存回收站video的path*/
private void saveDumpVideo(@NonNull String path) {
SPUtils.getInstance(VIDEO_SP_NAME).put(
VIDEO_DUMP_ALL, getDumpVideo() + "|" + path);
}
/*获取回收站video的path*/
private String getDumpVideo() {
return SPUtils.getInstance(VIDEO_SP_NAME).getString( VIDEO_DUMP_ALL, "");
}
/*删除回收站中某一个video的path*/
private void removeDumpVideo(@NonNull String path) {
SPUtils.getInstance(VIDEO_SP_NAME).put( VIDEO_DUMP_ALL,
getDumpVideo().replace(path, ""));
}
public boolean recoverPhotoFile(@NonNull Context context, @NonNull String imgPath, @NonNull String date) throws Exception{
/*文件名前面加. 隐藏 若需要显示就去掉.*/
removeDumpPhoto(date+"*"+imgPath);
File file = new File(imgPath);
String name = file.getName();
String newName = file.getName().substring(1, file.getName().length());
String newPath = file.getAbsolutePath().replace(name, newName);
boolean result = false;
result = file.renameTo(new File(newPath));
// 创建ContentValues对象，准备插入数据
int lastIndex = newName.lastIndexOf(".");
String ext = newPath.substring(lastIndex + 1).toLowerCase();
if (ext.equals("jpg")) {
ext = "jpeg";
}
String simple = newName.substring(0, lastIndex);
ContentValues values = new ContentValues();
values.put(MediaStore.Images.Media.TITLE, simple);
values.put(MediaStore.Images.Media.DISPLAY_NAME, simple);
values.put(MediaStore.Images.Media.DESCRIPTION, simple);
values.put(MediaStore.Images.Media.MIME_TYPE, "image/" + ext);
values.put(MediaStore.Images.Media.DATE_ADDED, System.currentTimeMillis());
values.put(MediaStore.Images.Media.DATE_TAKEN, System.currentTimeMillis());
values.put(MediaStore.Images.Media.DATA, newPath);
try {
context.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
} catch (Exception e) {
e.printStackTrace();
//Crashlytics.logException(e);
}
return result;
}
public boolean recoverVideoFile(@NonNull Context context, @NonNull String imgPath, @NonNull String date) throws Exception{
/*文件名前面加. 隐藏 若需要显示就去掉.*/
removeDumpPhoto(date+"*"+imgPath);
File file = new File(imgPath);
String name = file.getName();
String newName = file.getName().substring(1, file.getName().length());
String newPath = file.getAbsolutePath().replace(name, newName);
boolean result = false;
result = file.renameTo(new File(newPath));
// 创建ContentValues对象，准备插入数据
int lastIndex = newName.lastIndexOf(".");
String ext = newPath.substring(lastIndex + 1).toLowerCase();
String simple = newName.substring(0, lastIndex);
ContentValues values = new ContentValues();
values.put(MediaStore.Video.Media.TITLE, simple);
values.put(MediaStore.Video.Media.DISPLAY_NAME, simple);
values.put(MediaStore.Video.Media.DESCRIPTION, simple);
values.put(MediaStore.Video.Media.MIME_TYPE, "video/" + ext);
values.put(MediaStore.Video.Media.DATE_ADDED, System.currentTimeMillis());
values.put(MediaStore.Video.Media.DATE_TAKEN, System.currentTimeMillis());
values.put(MediaStore.Video.Media.DATA, newPath);
try {
context.getContentResolver().insert(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, values);
} catch (Exception e) {
e.printStackTrace();
//Crashlytics.logException(e);
}
return result;
}
private boolean deleteImageReally(@NonNull Context context,@NonNull String path,@NonNull String date) throws Exception{
/*去除Sharedpreference中的记录*/
// RecycleBinUtil.removeDumpPhoto(mView.getActivityContext(),);
removeDumpPhoto(date+"*"+path);
/*删除文件并删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA + "=?",
new String[]{path}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} else {
File file = new File(path);
result = file.delete();
}
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
private boolean deleteVideoReally(@NonNull Context context,@NonNull String path,@NonNull String date) throws Exception{
/*去除Sharedpreference中的记录*/
// RecycleBinUtil.removeDumpPhoto(mView.getActivityContext(),);
removeDumpVideo(date+"*"+path);
/*删除文件并删除数据库记录*/
ContentResolver resolver = context.getContentResolver();
Cursor cursor = MediaStore.Images.Media.query(resolver, MediaStore.Video.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Video.Media._ID}, MediaStore.Video.Media.DATA + "=?",
new String[]{path}, null);
boolean result = false;
try {
if (cursor.moveToFirst()) {
long id = cursor.getLong(0);
Uri contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
Uri uri = ContentUris.withAppendedId(contentUri, id);
int count = context.getContentResolver().delete(uri, null, null);
result = count == 1;
} else {
File file = new File(path);
result = file.delete();
}
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
} catch (NullPointerException e) {
if (cursor != null) {
if (!cursor.isClosed()) {
cursor.close();
}
}
return result;
}
}
}