Android 呼叫系統相簿選取視訊,過濾視訊(相容小米)
阿新 • • 發佈:2019-02-01
老規矩先上圖,注:我這個是其他型別裝置的樣式圖,小米也一樣的
由於小米手機可能對很多地方不見讓,當然對呼叫系統相機時也跟其他裝置不太一
樣,一般情況下他都是底下彈出一個框,選取是否進入相簿或者資料夾
下面就來貼一下程式碼
這是在選取相簿選取視訊的頁面
if(PhoneInfo.isMIUI()){//是否是小米裝置,是的話用到彈窗選取入口的方法去選取視訊 Intent intent = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI); intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,"video/*"); startActivityForResult(Intent.createChooser(intent, "選擇要匯入的視訊"), REQUEST_CODE_PICK); }else{//直接跳到系統相簿去選取視訊 Intent intent = new Intent(); if (Build.VERSION.SDK_INT < 19) { intent.setAction(Intent.ACTION_GET_CONTENT); intent.setType("video/*"); } else { intent.setAction(Intent.ACTION_OPEN_DOCUMENT); intent.addCategory(Intent.CATEGORY_OPENABLE); intent.setType("video/*"); } startActivityForResult(Intent.createChooser(intent, "選擇要匯入的視訊"), REQUEST_CODE_PICK); }
我們寫一下在相簿選取視訊之後的回撥
@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == REQUEST_CODE_PICK && resultCode == RESULT_OK) {//從相簿選取視訊 String videoPath = GetPathFromUri.getPath(this, data.getData()); initVideo(videoPath); } }
在這裡我把獲取路徑封裝成了一個類,貼一下這個類的代嗎
public class GetPathFromUri { @SuppressLint("NewApi") public static String getPath(final Context context, final Uri uri) { final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; // DocumentProvider if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) { // ExternalStorageProvider if (isExternalStorageDocument(uri)) { final String docId = DocumentsContract.getDocumentId(uri); final String[] split = docId.split(":"); final String type = split[0]; if ("primary".equalsIgnoreCase(type)) { return Environment.getExternalStorageDirectory() + "/" + split[1]; } // TODO handle non-primary volumes } // DownloadsProvider else if (isDownloadsDocument(uri)) { final String id = DocumentsContract.getDocumentId(uri); final Uri contentUri = ContentUris.withAppendedId( Uri.parse("content://downloads/public_downloads"), Long.valueOf(id)); return getDataColumn(context, contentUri, null, null); } // MediaProvider else if (isMediaDocument(uri)) { final String docId = DocumentsContract.getDocumentId(uri); final String[] split = docId.split(":"); final String type = split[0]; Uri contentUri = null; if ("image".equals(type)) { contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; } else if ("video".equals(type)) { contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; } else if ("audio".equals(type)) { contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; } final String selection = "_id=?"; final String[] selectionArgs = new String[]{split[1]}; return getDataColumn(context, contentUri, selection, selectionArgs); } } // MediaStore (and general) else if ("content".equalsIgnoreCase(uri.getScheme())) { return getDataColumn(context, uri, null, null); } // File else if ("file".equalsIgnoreCase(uri.getScheme())) { return uri.getPath(); } return null; } /** * Get the value of the data column for this Uri. This is useful for * MediaStore Uris, and other file-based ContentProviders. * * @param context The context. * @param uri The Uri to query. * @param selection (Optional) Filter used in the query. * @param selectionArgs (Optional) Selection arguments used in the query. * @return The value of the _data column, which is typically a file path. */ public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) { Cursor cursor = null; final String column = "_data"; final String[] projection = {column}; try { cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null); if (cursor != null && cursor.moveToFirst()) { final int column_index = cursor.getColumnIndexOrThrow(column); return cursor.getString(column_index); } } finally { if (cursor != null) cursor.close(); } return null; } /** * @param uri The Uri to check. * @return Whether the Uri authority is ExternalStorageProvider. */ public static boolean isExternalStorageDocument(Uri uri) { return "com.android.externalstorage.documents".equals(uri.getAuthority()); } /** * @param uri The Uri to check. * @return Whether the Uri authority is DownloadsProvider. */ public static boolean isDownloadsDocument(Uri uri) { return "com.android.providers.downloads.documents".equals(uri.getAuthority()); } /** * @param uri The Uri to check. * @return Whether the Uri authority is MediaProvider. */ public static boolean isMediaDocument(Uri uri) { return "com.android.providers.media.documents".equals(uri.getAuthority()); } }
我在這裡判斷了是否是小米手機,判斷識別是否是小米裝置可以參考我的另一篇部落格
題需要處理,其他手機如果用這種方法的話可能會多此一舉了,具體也是看需求了,我們看下如果其他手機用這種方法的情況下的效果圖.