Статьи

Отправить письмо с вложением в Android

Январь 27, 2019

Это простая демонстрация для отправки электронной почты в Android с вложением. Для вложения я использую Intent.ACTION_GET_CONTENT.

Не забудьте добавить разрешения в ваш manifest.xml-

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<uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_INTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

Screenshot_2013-09-23-00-07-49

1) MainActivity.java

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package com.manish.sendemaildemo;
 
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
 
/**
 *
 * @author manish
 *
 */
public class MainActivity extends Activity implements OnClickListener {
 
       EditText editTextEmail, editTextSubject, editTextMessage;
       Button btnSend, btnAttachment;
       String email, subject, message, attachmentFile;
       Uri URI = null;
       private static final int PICK_FROM_GALLERY = 101;
       int columnIndex;
 
       @Override
       protected void onCreate(Bundle savedInstanceState) {
              super.onCreate(savedInstanceState);
              setContentView(R.layout.activity_main);
              editTextEmail = (EditText) findViewById(R.id.editTextTo);
              editTextSubject = (EditText) findViewById(R.id.editTextSubject);
              editTextMessage = (EditText) findViewById(R.id.editTextMessage);
              btnAttachment = (Button) findViewById(R.id.buttonAttachment);
              btnSend = (Button) findViewById(R.id.buttonSend);
 
              btnSend.setOnClickListener(this);
              btnAttachment.setOnClickListener(this);
       }
 
       protected void onActivityResult(int requestCode, int resultCode, Intent data) {
              if (requestCode == PICK_FROM_GALLERY && resultCode == RESULT_OK) {
                     /**
                      * Get Path
                      */
                     Uri selectedImage = data.getData();
                     String[] filePathColumn = { MediaStore.Images.Media.DATA };
 
                     Cursor cursor = getContentResolver().query(selectedImage,filePathColumn, null, null, null);
                     cursor.moveToFirst();
                     columnIndex = cursor.getColumnIndex(filePathColumn[0]);
                     attachmentFile = cursor.getString(columnIndex);
                     Log.e("Attachment Path:", attachmentFile);
                     URI = Uri.parse("file://" + attachmentFile);
                     cursor.close();
              }
       }
 
       @Override
       public void onClick(View v) {
 
              if (v == btnAttachment) {
                     openGallery();
 
              }
              if (v == btnSend) {
                     try {
                           email = editTextEmail.getText().toString();
                           subject = editTextSubject.getText().toString();
                           message = editTextMessage.getText().toString();
 
                           final Intent emailIntent = new Intent(
                                         android.content.Intent.ACTION_SEND);
                           emailIntent.setType("plain/text");
                           emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL,
                                         new String[] { email });
                           emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT,
                                         subject);
                           if (URI != null) {
                                  emailIntent.putExtra(Intent.EXTRA_STREAM, URI);
                           }
                           emailIntent
                                         .putExtra(android.content.Intent.EXTRA_TEXT, message);
                           this.startActivity(Intent.createChooser(emailIntent,
                                         "Sending email..."));
 
                     } catch (Throwable t) {
                           Toast.makeText(this,
                                         "Request failed try again: " + t.toString(),
                                         Toast.LENGTH_LONG).show();
                     }
              }
 
       }
 
       public void openGallery() {
              Intent intent = new Intent();
              intent.setType("image/*");
              intent.setAction(Intent.ACTION_GET_CONTENT);
              intent.putExtra("return-data", true);
              startActivityForResult(
                           Intent.createChooser(intent, "Complete action using"),
                           PICK_FROM_GALLERY);
 
       }
 
}

2) activity_main.xml

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<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="5dp"
    tools:context=".MainActivity" >
 
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_margin="5dp"
        android:padding="5dp" >
 
        <EditText
            android:id="@+id/editTextTo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:layout_margin="5dp"
            android:hint="Email Address!"
            android:inputType="textEmailAddress"
            android:singleLine="true" />
 
        <EditText
            android:id="@+id/editTextSubject"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/editTextTo"
            android:layout_margin="5dp"
            android:hint="Subject"
            android:singleLine="true" />
 
        <EditText
            android:id="@+id/editTextMessage"
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_below="@id/editTextSubject"
            android:layout_margin="5dp"
            android:gravity="top|left"
            android:hint="type message here!"
            android:inputType="textMultiLine" />
 
        <Button
            android:id="@+id/buttonSend"
            android:layout_width="80dp"
            android:layout_height="50dp"
            android:layout_below="@id/editTextMessage"
            android:layout_margin="5dp"
            android:text="Send" />
 
        <Button
            android:id="@+id/buttonAttachment"
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:layout_alignParentRight="true"
            android:layout_alignParentTop="true"
            android:text="attachment" />
    </RelativeLayout>
 
</ScrollView>

3) AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.manish.sendemaildemo"
    android:versionCode="1"
    android:versionName="1.0" >
 
    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="16" />
 
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_INTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.manish.sendemaildemo.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
 
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
 
</manifest>

Благодаря!

Ссылка: Отправьте электронное письмо с приложением в Android от нашего партнера по JCG Маниша Шриваставы в блоге Android Hub 4, который вы опубликовали.
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