1.创建标识码
val PICK_PHOTO = 102 //图片
val PHOTO_VIDEO= 103 //视频
2.创建控件点击事件
R.id.material_add_btn_put -> {
when (type) {
1 -> {
//上传视频
val intent = Intent()
intent.type = "video/*"
intent.action = Intent.ACTION_GET_CONTENT
intent.addCategory(Intent.CATEGORY_OPENABLE)
startActivityForResult(intent, PHOTO_VIDEO)
}
2 -> {
//上传图片
val intent = Intent(Intent.ACTION_OPEN_DOCUMENT)
intent.addCategory(Intent.CATEGORY_OPENABLE)
intent.type = "image/*"
startActivityForResult(intent, PICK_PHOTO)
}
}
}
3.返回事件处理
override fun onActivityResult(requestCode: Int, resultCode: Int, data1: Intent?) {
super.onActivityResult(requestCode, resultCode, data1)
Log.e("uploadFile", "" + requestCode)
try {
if (data1 != null) {
//获取文件路径，工具类代码在下方
val realPathFromUri: String = UriUtils.getPath(this,data1?.data)
Log.e("uploadFile", realPathFromUri)
if (requestCode == PICK_PHOTO){
Toast.makeText(this, "图片上传中，请稍等", Toast.LENGTH_SHORT).show()
upload(BitmapBase64.imageToBase64(realPathFromUri))
}else if (requestCode == PHOTO_VIDEO){
val file = File(realPathFromUri)
val player = MediaPlayer()
try {
player.setDataSource(realPathFromUri) //recordingFilePath（）为音频文件的路径
player.prepare()
} catch (e: IOException) {
e.printStackTrace()
} catch (e: java.lang.Exception) {
e.printStackTrace()
}
val duration = player.duration.toDouble() //获取音频的时间
videoTime = (duration.toInt())/1000
Log.d("uploadFile", "### duration: $videoTime ")
material_add_tv_videoTime.text = videoTime.toString()
player.release() //记得释放资源
Toast.makeText(this, "视频上传中，请稍等", Toast.LENGTH_SHORT).show()
uploadFile(file)
}
} else {
Log.d("uploadFile", "文件损坏，请重新选择")
Toast.makeText(this, "文件损坏，请重新选择", Toast.LENGTH_SHORT).show()
}
} catch (e: java.lang.Exception) {
e.printStackTrace()
Log.e("uploadFile", e.toString())
}
4.图片转换工具类
public class BitmapBase64 {
/**
* 将图片转换成Base64编码的字符串
*/
public static String imageToBase64(String path){
if(TextUtils.isEmpty(path)){
return null;
}
InputStream is = null;
byte[] data = null;
String result = null;
try{
is = new FileInputStream(path);
//创建一个字符流大小的数组。
data = new byte[is.available()];
//写入数组
is.read(data);
//用默认的编码格式进行编码
result ="data:image/jpg;base64,"+Base64.encodeToString(data,Base64.NO_WRAP); //
}catch (Exception e){
e.printStackTrace();
}finally {
if(null !=is){
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return result;
}
/**
* bitmap转为base64
* @param bitmap
* @return
*/
public static String bitmapToBase64(Bitmap bitmap) {
String result = null;
ByteArrayOutputStream baos = null;
try {
if (bitmap != null) {
baos = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
baos.flush();
baos.close();
byte[] bitmapBytes = baos.toByteArray();
result = Base64.encodeToString(bitmapBytes, Base64.DEFAULT);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (baos != null) {
baos.flush();
baos.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return result;
}
/**
* base64转为bitmap
* @param base64Data
* @return
*/
public static Bitmap base64ToBitmap(String base64Data) {
byte[] bytes = Base64.decode(base64Data, Base64.DEFAULT);
return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
}
}
5.根据Uri获得图片或视频文件路径工具类
public class UriUtils {
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;
}
/**
* 获取数据库表中的 _data 列，即返回Uri对应的文件路径
*/
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());
}
}
附加（上传接口请求）：
1.图片上传接口（基于OkGo）：
private fun upload(base64: String) {
val json1 = JSONObject()
json1.put("tableName", "sub_material")
json1.put("img", base64)
Log.d("upload121", "json1: $json1")
val JSON: MediaType? = MediaType.parse("application/json; charset=utf-8")
val body = RequestBody.create(JSON, json1.toString())
Log.d("upload121", "Urls: " + Urls.UPLOAD)
OkGo.post<String>(Urls.UPLOAD)
.headers(
"token",
SharedPreferencesHelper(this).getSharedPreference(Contents.TOKEN, "") as String?
)
.upRequestBody(body)
.execute(object : StringCallback() {
override fun onSuccess(response: Response<String>) {
Log.e("upload121", "response: ${response.body()}")
try {
val addImageBean: AddImageBean = FastJsonUtils.getObject(
response.body(),
AddImageBean::class.java
)
if (addImageBean.code == 0) {
// jsonarray.remove()
jsonarray.put(addImageBean.data.file.fileId)
material_add_iv_pic.visibility = View.VISIBLE
size = PicKb.imageSize(base64) / 1024
material_add_tv_size_pic.text = size.toString()
Log.e("upload121", "size: $size")
Glide.with(this@MaterialAddActivity).load(addImageBean.data.file.url)
.error(
R.mipmap.ic_404_hint
).into(material_add_iv_pic)
Toast.makeText(this@MaterialAddActivity, "上传成功", Toast.LENGTH_SHORT).show()
} else {
Toast.makeText(
this@MaterialAddActivity,
addImageBean.msg,
Toast.LENGTH_SHORT
).show()
}
} catch (e: Exception) {
Log.e("upload121", "registerDetection: $e")
Toast.makeText(
this@MaterialAddActivity,
"接口错误返回",
Toast.LENGTH_SHORT
).show()
}
}
override fun onError(response: Response<String>) {
super.onError(response)
Log.e("upload121", "onError: " + response.body())
Toast.makeText(this@MaterialAddActivity, "请求接口失败", Toast.LENGTH_SHORT)
.show()
}
})
}
2.视频上传接口（基于OkGo）：
private fun uploadFile(file: File) {
val json1 = JSONObject()
json1.put("file", file)
Log.d("uploadFile", "json1: $json1")
val JSON: MediaType? = MediaType.parse("application/json; charset=utf-8")
val body = RequestBody.create(JSON, json1.toString())
Log.d("uploadFile", "Urls: " + Urls.UPLOADVIDEO)
OkGo.post<String>(Urls.UPLOADVIDEO)
.headers("token", SharedPreferencesHelper(this).getSharedPreference(Contents.TOKEN, "") as String?)
.params("file", file)
.isMultipart(true)
.execute(object : StringCallback() {
override fun onSuccess(response: Response<String>) {
Log.e("uploadFile", "response: ${
response.body()}")
try {
val fileBean: AddFileBean = FastJsonUtils.getObject(
response.body(),
AddFileBean::class.java
)
if (fileBean.code == 0) {
jsonarray.put(fileBean.data.file.fileId)
material_add_iv_pic.visibility = View.VISIBLE
size = (file.length() / 1024).toInt()
material_add_tv_size_video.text = size.toString()
Log.e("uploadFile", "size: $size")
Glide.with(this@MaterialAddActivity).load(fileBean.data.img.url).error(R.mipmap.ic_404_hint).into(material_add_iv_pic)
Toast.makeText(this@MaterialAddActivity, "上传成功", Toast.LENGTH_SHORT).show()
} else {
Toast.makeText(
this@MaterialAddActivity,
fileBean.msg,
Toast.LENGTH_SHORT
).show()
}
} catch (e: Exception) {
Log.e("uploadFile", "registerDetection: $e")
Toast.makeText(
this@MaterialAddActivity,
"接口错误返回",
Toast.LENGTH_SHORT
).show()
}
}
override fun onError(response: Response<String>) {
super.onError(response)
Log.e("uploadFile", "onError: " + response.body())
Toast.makeText(this@MaterialAddActivity, "请求接口失败", Toast.LENGTH_SHORT)
.show()
}
override fun uploadProgress(progress: Progress?) {
super.uploadProgress(progress)
Log.e("uploadFile", "上传进度: " +progress?.fraction)
}
})