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| Original file line number | Diff line number | Diff line change |
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@@ -27,7 +27,7 @@ | |
| * @author Jenly <a href="mailto:[email protected]">Jenly</a> | ||
| * | ||
| */ | ||
| public abstract class ViewHolderRecyclerAdapter<T, V> extends HolderRecyclerAdapter<T,ViewHolder> { | ||
| public abstract class ViewHolderRecyclerAdapter<T> extends HolderRecyclerAdapter<T,ViewHolder> { | ||
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| public ViewHolderRecyclerAdapter(Context context, List<T> listData) { | ||
| super(context, listData); | ||
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118 changes: 118 additions & 0 deletions
118
base-util/src/main/java/com/king/base/util/UriUtils.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,118 @@ | ||
| package com.king.base.util; | ||
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| import android.content.ContentUris; | ||
| import android.content.Context; | ||
| import android.database.Cursor; | ||
| import android.net.Uri; | ||
| import android.os.Build; | ||
| import android.provider.DocumentsContract; | ||
| import android.provider.MediaStore; | ||
| import android.support.annotation.RequiresApi; | ||
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| /** | ||
| * @author Jenly <a href="mailto:[email protected]">Jenly</a> | ||
| */ | ||
| public class UriUtils { | ||
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| /** | ||
| * 根据Uri获取图片的绝对路径 | ||
| * | ||
| * @param context 上下文对象 | ||
| * @param uri | ||
| * @return 如果Uri对应的图片存在, 那么返回该文件的绝对路径, 否则返回null | ||
| */ | ||
| public static String getPath(Context context, Uri uri) { | ||
| int sdkVersion = Build.VERSION.SDK_INT; | ||
| if (sdkVersion >= 19) { // api >= 19 | ||
| return getRealPathFromUriAboveApi19(context, uri); | ||
| } else { // api < 19 | ||
| return getRealPathFromUriBelowAPI19(context, uri); | ||
| } | ||
| } | ||
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| /** | ||
| * 适配api19以下(不包括api19),根据uri获取图片的绝对路径 | ||
| * | ||
| * @param context 上下文对象 | ||
| * @param uri 图片的Uri | ||
| * @return 如果Uri对应的图片存在, 那么返回该图片的绝对路径, 否则返回null | ||
| */ | ||
| private static String getRealPathFromUriBelowAPI19(Context context, Uri uri) { | ||
| return getDataColumn(context, uri, null, null); | ||
| } | ||
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| /** | ||
| * 适配api19及以上,根据uri获取图片的绝对路径 | ||
| * | ||
| * @param context 上下文对象 | ||
| * @param uri 图片的Uri | ||
| * @return 如果Uri对应的图片存在, 那么返回该图片的绝对路径, 否则返回null | ||
| */ | ||
| @RequiresApi(api = Build.VERSION_CODES.KITKAT) | ||
| private static String getRealPathFromUriAboveApi19(Context context, Uri uri) { | ||
| String filePath = null; | ||
| if (DocumentsContract.isDocumentUri(context, uri)) { | ||
| // 如果是document类型的 uri, 则通过document id来进行处理 | ||
| String documentId = DocumentsContract.getDocumentId(uri); | ||
| if (isMediaDocument(uri)) { // MediaProvider | ||
| // 使用':'分割 | ||
| String id = documentId.split(":")[1]; | ||
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| String selection = MediaStore.Images.Media._ID + "=?"; | ||
| String[] selectionArgs = {id}; | ||
| filePath = getDataColumn(context, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection, selectionArgs); | ||
| } else if (isDownloadsDocument(uri)) { // DownloadsProvider | ||
| Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(documentId)); | ||
| filePath = getDataColumn(context, contentUri, null, null); | ||
| } | ||
| } else if ("content".equalsIgnoreCase(uri.getScheme())){ | ||
| // 如果是 content 类型的 Uri | ||
| filePath = getDataColumn(context, uri, null, null); | ||
| } else if ("file".equals(uri.getScheme())) { | ||
| // 如果是 file 类型的 Uri,直接获取图片对应的路径 | ||
| filePath = uri.getPath(); | ||
| } | ||
| return filePath; | ||
| } | ||
|
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| /** | ||
| * 获取数据库表中的 _data 列，即返回Uri对应的文件路径 | ||
| * @return | ||
| */ | ||
| private static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) { | ||
| String path = null; | ||
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| String[] projection = new String[]{MediaStore.Images.Media.DATA}; | ||
| Cursor cursor = null; | ||
| try { | ||
| cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null); | ||
| if (cursor != null && cursor.moveToFirst()) { | ||
| int columnIndex = cursor.getColumnIndexOrThrow(projection[0]); | ||
| path = cursor.getString(columnIndex); | ||
| } | ||
| } catch (Exception e) { | ||
| if (cursor != null) { | ||
| cursor.close(); | ||
| } | ||
| } | ||
| return path; | ||
| } | ||
|
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| /** | ||
| * @param uri the Uri to check | ||
| * @return Whether the Uri authority is MediaProvider | ||
| */ | ||
| private static boolean isMediaDocument(Uri uri) { | ||
| return "com.android.providers.media.documents".equals(uri.getAuthority()); | ||
| } | ||
|
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| /** | ||
| * @param uri the Uri to check | ||
| * @return Whether the Uri authority is DownloadsProvider | ||
| */ | ||
| private static boolean isDownloadsDocument(Uri uri) { | ||
| return "com.android.providers.downloads.documents".equals(uri.getAuthority()); | ||
| } | ||
|
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|
|
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| } |
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