有人会给比如发送带附件的邮件机器人 [英] Will anyone give example for sending mail with attachment in android
本文介绍了有人会给比如发送带附件的邮件机器人的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我需要开发一个小型的电子邮件应用程序,我有生成CSV和邮件采用了android的CSV文件。我要送这个附件不保存到存储。我在使用文件作家,我的code如下附加的CSV文件中找到难点:
@覆盖
公共无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.main);
buttonSend =(按钮)findViewById(R.id.buttonSend);
textTo =(EditText上)findViewById(R.id.editTextTo);
textSubject =(EditText上)findViewById(R.id.editTextSubject);
文字信息=(EditText上)findViewById(R.id.editTextMessage);
buttonSend.setOnClickListener(新OnClickListener(){
@覆盖
公共无效的onClick(视图v){
。字符串= textTo.getText()的toString();
。字符串主题= textSubject.getText()的toString();
字符串消息= textMessage.getText()的toString()。
意图电子邮件=新的意图(Intent.ACTION_SEND);
email.putExtra(Intent.EXTRA_EMAIL,新的String [] {到});
//email.putExtra(Intent.EXTRA_CC,新的String [] {到});
//email.putExtra(Intent.EXTRA_BCC,新的String [] {到});
email.setType(文/ CSV);
email.putExtra(Intent.EXTRA_SUBJECT,学科);
email.putExtra(Intent.EXTRA_TEXT,消息);
email.putExtra(Intent.EXTRA_STREAM,generateCsvFile(testdata.csv));
//需要这样的提示只是电子邮件客户端
startActivity(Intent.createChooser(电子邮件,选择电子邮件客户端));
}
});
}
公共静态的FileWriter generateCsvFile(字符串sFileName)抛出IOException异常
{
FileWriter的作家;
作家=新的FileWriter(sFileName);
writer.append(显示名称);
writer.append(,);
writer.append(时代);
writer.append('\ N');
writer.append(RajeshV);
writer.append(,);
writer.append(26);
writer.append('\ N');
writer.append(Mrithula);
writer.append(,);
writer.append(29);
writer.append('\ N');
返回作家;
}
}
我在这一行的问题:
email.putExtra(Intent.EXTRA_STREAM,generateCsvFile(testdata.csv));
解决方案
我有工作code
@覆盖
公共无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.main);
buttonSend =(按钮)findViewById(R.id.buttonSend);
textTo =(EditText上)findViewById(R.id.editTextTo);
textSubject =(EditText上)findViewById(R.id.editTextSubject);
文字信息=(EditText上)findViewById(R.id.editTextMessage);
buttonSend.setOnClickListener(新OnClickListener(){
@覆盖
公共无效的onClick(视图v){
。字符串= textTo.getText()的toString();
。字符串主题= textSubject.getText()的toString();
字符串消息= textMessage.getText()的toString()。
意图I =新的意图(Intent.ACTION_SEND);
i.setType(纯/文);
文件数据= NULL;
尝试 {
日期dateVal =新的日期();
字符串文件名= dateVal.toString();
数据= File.createTempFile(报告,名为.csv);
FileWriter的输出=(的FileWriter)GenerateCsv.generateCsvFile(
数据,名称,数据1);
i.putExtra(Intent.EXTRA_STREAM,Uri.fromFile(数据));
i.putExtra(Intent.EXTRA_EMAIL,新的String [] {到});
i.putExtra(Intent.EXTRA_SUBJECT,学科);
i.putExtra(Intent.EXTRA_TEXT,消息);
startActivity(Intent.createChooser(我,电子邮件));
}赶上(IOException异常E){
e.printStackTrace();
}
}
});
}
公共类GenerateCsv {
公共静态的FileWriter generateCsvFile(文件sFileName,串fileContent){
FileWriter的作家= NULL;
尝试 {
作家=新的FileWriter(sFileName);
writer.append(fileContent);
writer.flush();
}赶上(IOException异常E){
// TODO自动生成的catch块
e.printStackTrace();
}最后
{
尝试 {
writer.close();
}赶上(IOException异常E){
// TODO自动生成的catch块
e.printStackTrace();
}
}
返回作家;
}
}
加入这一行的AndroidManifest.xml文件:
<使用-权限的Android:名称=android.permission.WRITE_EXTERNAL_STORAGE>< /使用-P
I need to develop a small Email Application which i have to generate CSV and mail that CSV document using android. I have to send this attachment without saving into storage. I found difficult in attaching the CSV file using file writer and my code as follows :
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
buttonSend = (Button) findViewById(R.id.buttonSend);
textTo = (EditText) findViewById(R.id.editTextTo);
textSubject = (EditText) findViewById(R.id.editTextSubject);
textMessage = (EditText) findViewById(R.id.editTextMessage);
buttonSend.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String to = textTo.getText().toString();
String subject = textSubject.getText().toString();
String message = textMessage.getText().toString();
Intent email = new Intent(Intent.ACTION_SEND);
email.putExtra(Intent.EXTRA_EMAIL, new String[]{ to});
//email.putExtra(Intent.EXTRA_CC, new String[]{ to});
//email.putExtra(Intent.EXTRA_BCC, new String[]{to});
email.setType("text/csv");
email.putExtra(Intent.EXTRA_SUBJECT, subject);
email.putExtra(Intent.EXTRA_TEXT, message);
email.putExtra(Intent.EXTRA_STREAM,generateCsvFile("testdata.csv"));
//need this to prompts email client only
startActivity(Intent.createChooser(email, "Choose an Email client :"));
}
});
}
public static FileWriter generateCsvFile(String sFileName) throws IOException
{
FileWriter writer;
writer = new FileWriter(sFileName);
writer.append("DisplayName");
writer.append(',');
writer.append("Age");
writer.append('\n');
writer.append("RajeshV");
writer.append(',');
writer.append("26");
writer.append('\n');
writer.append("Mrithula");
writer.append(',');
writer.append("29");
writer.append('\n');
return writer;
}
}
I got problem in this line :
email.putExtra(Intent.EXTRA_STREAM,generateCsvFile("testdata.csv"));
解决方案
I got Working Code
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
buttonSend = (Button) findViewById(R.id.buttonSend);
textTo = (EditText) findViewById(R.id.editTextTo);
textSubject = (EditText) findViewById(R.id.editTextSubject);
textMessage = (EditText) findViewById(R.id.editTextMessage);
buttonSend.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String to = textTo.getText().toString();
String subject = textSubject.getText().toString();
String message = textMessage.getText().toString();
Intent i = new Intent(Intent.ACTION_SEND);
i.setType("plain/text");
File data = null;
try {
Date dateVal = new Date();
String filename = dateVal.toString();
data = File.createTempFile("Report", ".csv");
FileWriter out = (FileWriter) GenerateCsv.generateCsvFile(
data, "Name,Data1");
i.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(data));
i.putExtra(Intent.EXTRA_EMAIL, new String[] { to });
i.putExtra(Intent.EXTRA_SUBJECT, subject);
i.putExtra(Intent.EXTRA_TEXT, message);
startActivity(Intent.createChooser(i, "E-mail"));
} catch (IOException e) {
e.printStackTrace();
}
}
});
}
public class GenerateCsv {
public static FileWriter generateCsvFile(File sFileName,String fileContent) {
FileWriter writer = null;
try {
writer = new FileWriter(sFileName);
writer.append(fileContent);
writer.flush();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally
{
try {
writer.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return writer;
}
}
Add this line in AndroidManifest.xml file:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-p
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