[英]How to get an image from the gallery, get its name, save it in the internal memory and get the route of that image
(如果我用英語寫錯了,我深表歉意)我需要做的事情與標題所說的一樣,我只知道如何從圖庫中獲取圖像。 我認為這是正確的:
(如果錯誤或效率低下,請告訴我)
private final int SELECT_PICTURE = 200;
btnAddImage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent galeryIntent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
galeryIntent.setType("image/*");
startActivityForResult(galeryIntent.createChooser(galeryIntent, "Sececiona Imagen"), SELECT_PICTURE);
}
});
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode){
case (SELECT_PICTURE):
if(requestCode == RESULT_OK){
Uri path = data.getData();
}
}
break;
}
}
但是我不知道如何獲取從圖庫中捕獲的圖像的名稱,並將其保存在應用程序的內部存儲器中。 然后,我需要像“ MyAPP / media / ...”之類的圖像的路徑,我不知道英語的正確名稱,然后將其保存在數據庫中(將其保存在數據庫中很容易),然后使用在我的項目中
我知道這是一條很長的信息,但是我需要您的幫助,因為在StackOverflow西班牙論壇中,有人回答了我。
onActivityResult:
String path = getPath(getApplicationContext(), data.getData());
File mFile = new File(id);
mFile.getName();
這就是獲取文件名的方法。
和getPath:
public static String getPath(final Context context, final Uri uri) {
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
if (isExternalStorageDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
Log.d("Lucas","TYPE => "+type);
if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/" + split[1];
}
} 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);
} 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);
}
} else if ("content".equalsIgnoreCase(uri.getScheme())) {
return getDataColumn(context, uri, null, null);
} else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
return null;
}
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;
}
public static boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri.getAuthority());
}
public static boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri.getAuthority());
}
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri.getAuthority());
}
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