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didikeeLuanon
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Jan 6, 2020
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147 changes: 147 additions & 0 deletions
147
androidx/src/main/java/com/androidx/picker/AudioLoader.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| package com.androidx.picker; | ||
|
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| import android.content.ContentResolver; | ||
| import android.content.ContentUris; | ||
| import android.content.Context; | ||
| import android.database.Cursor; | ||
| import android.net.Uri; | ||
| import android.os.Build; | ||
| import android.provider.MediaStore; | ||
| import android.text.TextUtils; | ||
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|
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| import com.androidx.R; | ||
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| import java.util.ArrayList; | ||
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| /** | ||
| * user author: didikee | ||
| * create time: 2020-01-6 1:24 | ||
| * description: 获取手机里的音频 | ||
| */ | ||
| public class AudioLoader extends AbsMediaLoader { | ||
|
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| public ArrayList<MediaFolder> getAudios(Context context) { | ||
| return getAudios(context, ""); | ||
| } | ||
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| public ArrayList<MediaFolder> getAudios(Context context, String folderPath) { | ||
| if (context == null) { | ||
| return null; | ||
| } | ||
| ContentResolver contentResolver = context.getContentResolver(); | ||
| if (contentResolver == null) { | ||
| return null; | ||
| } | ||
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| Uri externalContentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; | ||
| String order = MediaStore.MediaColumns.DATE_ADDED + " DESC"; | ||
| String selection = MediaStore.MediaColumns.MIME_TYPE + "=?"; | ||
| String[] selectionArgs = new String[]{"audio/"}; | ||
|
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| // projections | ||
| ArrayList<String> projections = new ArrayList<>(); | ||
| projections.add(MediaStore.Audio.Media._ID); | ||
| projections.add(MediaStore.Audio.Media.DISPLAY_NAME); | ||
| projections.add(MediaStore.Audio.Media.SIZE); | ||
| projections.add(MediaStore.Audio.Media.MIME_TYPE); | ||
| projections.add(MediaStore.Audio.Media.DATE_ADDED); | ||
| projections.add(MediaStore.Audio.Media.DATE_MODIFIED); | ||
| projections.add(MediaStore.Audio.Media.DURATION); | ||
| /** | ||
| * MediaStore.Video.Media.RELATIVE_PATH | ||
| * 相对路径 /storage/0000-0000/DCIM/Vacation/IMG1024.JPG} would have a path of {@code DCIM/Vacation/}. | ||
| * | ||
| * MediaStore.Video.Media.DATA 在android10上已经过时了 | ||
| * 真实路径 /storage/emulated/0/pp/downloader/wallpaper/aaa.jpg | ||
| */ | ||
| if (Build.VERSION.SDK_INT >= 29/*android 10*/) { | ||
| projections.add(MediaStore.Audio.Media.RELATIVE_PATH); | ||
| } else { | ||
| projections.add(MediaStore.Audio.Media.DATA); | ||
| } | ||
|
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| Cursor cursor = contentResolver.query(externalContentUri, projections.toArray(new String[projections.size()]), selection, selectionArgs, order); | ||
| if (cursor == null) { | ||
| return null; | ||
| } | ||
|
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| ArrayList<MediaFolder> mediaFolders = new ArrayList<>(); | ||
| ArrayList<MediaItem> allMedias = new ArrayList<>(); | ||
| while (cursor.moveToNext()) { | ||
| //查询数据 | ||
| String id = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.MediaColumns._ID)); | ||
| String displayName = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.DISPLAY_NAME)); | ||
|
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| // 现在全部改为uri来实现 | ||
| Uri uri = ContentUris.withAppendedId(externalContentUri, Long.parseLong(id)); | ||
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| String data = ""; | ||
| String relativePath = ""; | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { | ||
| relativePath = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.RELATIVE_PATH)); | ||
| } else { | ||
| data = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA)); | ||
| } | ||
| // 获取父目录的信息,用于文件夹分类 | ||
| String parentName = ""; | ||
| String parentPath = ""; | ||
| if (!TextUtils.isEmpty(data)) { | ||
| String[] parentInfo = getParentInfoFromData(data); | ||
| parentName = parentInfo[0]; | ||
| parentPath = parentInfo[1]; | ||
| } | ||
|
|
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| if (!TextUtils.isEmpty(relativePath)) { | ||
| String[] parentInfo = getParentInfoFromRelativePath(relativePath); | ||
| parentName = parentInfo[0]; | ||
| parentPath = parentInfo[1]; | ||
| } | ||
|
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| long size = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.SIZE)); | ||
| String mimeType = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.MIME_TYPE)); | ||
| long duration = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.DURATION)); | ||
| long dateAdded = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATE_ADDED)); | ||
| long dateModified = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATE_MODIFIED)); | ||
|
|
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| //封装实体 | ||
| MediaItem mediaItem = new MediaItem(uri); | ||
| mediaItem.setDisplayName(displayName); | ||
| mediaItem.setSize(size); | ||
| mediaItem.setMimeType(mimeType); | ||
| mediaItem.setDateAdded(dateAdded); | ||
| mediaItem.setDateModified(dateModified); | ||
| mediaItem.setData(data); | ||
| mediaItem.setRelativePath(relativePath); | ||
| if (duration != -1) { | ||
| mediaItem.setDuration(duration); | ||
| } | ||
|
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| allMedias.add(mediaItem); | ||
|
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| //根据父路径分类存放图片 | ||
| MediaFolder mediaFolder = new MediaFolder(); | ||
| mediaFolder.name = parentName; | ||
| mediaFolder.path = parentPath; | ||
|
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| if (mediaFolders.contains(mediaFolder)) { | ||
| mediaFolders.get(mediaFolders.indexOf(mediaFolder)).items.add(mediaItem); | ||
| } else { | ||
| ArrayList<MediaItem> images = new ArrayList<>(); | ||
| images.add(mediaItem); | ||
| mediaFolder.items = images; | ||
| mediaFolders.add(mediaFolder); | ||
| } | ||
| } | ||
| // 防止没有图片报异常 | ||
| if (cursor.getCount() > 0 && allMedias.size() > 0) { | ||
| //构造所有图片的集合 | ||
| MediaFolder allImagesFolder = new MediaFolder(); | ||
| allImagesFolder.name = context.getString(R.string.recently); | ||
| allImagesFolder.path = ""; | ||
| allImagesFolder.items = allMedias; | ||
| mediaFolders.add(0, allImagesFolder);//确保第一条是所有图片 | ||
| } | ||
| cursor.close(); | ||
| return mediaFolders; | ||
| } | ||
| } |
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