BackupContactsActivity.java
package com.testing.backup;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import android.app.Activity;
import android.content.ContentResolver;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class BackupContactsActivity extends Activity implements OnClickListener{
/** Called when the activity is first created. */
TextView result;
String msg = "**********Backup Phone Contacts**********\n\n";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button backup = (Button)findViewById(R.id.btn);
backup.setOnClickListener(this);
}
public void onClick(View view){
ContentResolver cr = getContentResolver();
Cursor cursor = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, null, null, null);
while(cursor.moveToNext()){
String name = cursor.getString(cursor.getColumnIndexOrThrow(Phone.DISPLAY_NAME));
String number = cursor.getString(cursor.getColumnIndexOrThrow(Phone.NUMBER));
msg += name + "\t\t\t" + number + "\n";
}
result = (TextView)findViewById(R.id.txt);
result.setText(msg.toString());
// Recipient's email ID needs to be mentioned.
String to = "testing@hotmail.com";
// Sender's email ID needs to be mentioned
String from = "testing@gmail.com";
// Email Password
String password = "testing";
// Assuming you are sending email from localhost
String host = "smtp.gmail.com";
// Get system properties
Properties properties = System.getProperties();
// Setup mail server
//properties.setProperty("mail.smtp.host", host);
properties.put("mail.smtp.host", host);
properties.put("mail.smtps.auth", "true");
properties.put("mail.smtp.starttls.enable", "true");
// Get the default Session object.
Session session = Session.getDefaultInstance(properties, null);
try{
// Create a default MimeMessage object.
MimeMessage message = new MimeMessage(session);
// Set From: header field of the header.
message.setFrom(new InternetAddress(from));
// Set To: header field of the header.
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
// Set Subject: header field
message.setSubject("This is the Backup Contacts Email!");
// Now set the actual message
message.setText(msg.toString());
// Send message
//Transport.send(message);
Transport transport = session.getTransport("smtps");
transport.connect(host, from, password);
transport.sendMessage(message, message.getAllRecipients());
System.out.println("Sent message successfully....");
transport.close();
}catch (MessagingException mex) {
mex.printStackTrace();
}
}
}
我的Logcat
10-10 12:42:33.773: E/AndroidRuntime(692): FATAL EXCEPTION: main
10-10 12:42:33.773: E/AndroidRuntime(692): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.testing.backup/com.testing.backup.BackupContactsActivity}: java.lang.SecurityException: Permission Denial: reading com.android.providers.contacts.ContactsProvider2 uri content://com.android.contacts/data/phones from pid=692, uid=10057 requires android.permission.READ_CONTACTS
10-10 12:42:33.773: E/AndroidRuntime(692): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.app.ActivityThread.access$600(ActivityThread.java:123)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.os.Handler.dispatchMessage(Handler.java:99)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.os.Looper.loop(Looper.java:137)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.app.ActivityThread.main(ActivityThread.java:4424)
10-10 12:42:33.773: E/AndroidRuntime(692): at java.lang.reflect.Method.invokeNative(Native Method)
10-10 12:42:33.773: E/AndroidRuntime(692): at java.lang.reflect.Method.invoke(Method.java:511)
10-10 12:42:33.773: E/AndroidRuntime(692): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
10-10 12:42:33.773: E/AndroidRuntime(692): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
10-10 12:42:33.773: E/AndroidRuntime(692): at dalvik.system.NativeStart.main(Native Method)
10-10 12:42:33.773: E/AndroidRuntime(692): Caused by: java.lang.SecurityException: Permission Denial: reading com.android.providers.contacts.ContactsProvider2 uri content://com.android.contacts/data/phones from pid=692, uid=10057 requires android.permission.READ_CONTACTS
10-10 12:42:33.773: E/AndroidRuntime(692): at android.os.Parcel.readException(Parcel.java:1327)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:182)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:136)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.content.ContentProviderProxy.query(ContentProviderNative.java:358)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.content.ContentResolver.query(ContentResolver.java:311)
10-10 12:42:33.773: E/AndroidRuntime(692): at com.testing.backup.BackupContactsActivity.onCreate(BackupContactsActivity.java:32)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.app.Activity.performCreate(Activity.java:4465)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
10-10 12:42:33.773: E/AndroidRuntime(692): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
10-10 12:42:33.773: E/AndroidRuntime(692): ... 11 more
清单
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.testing.backup"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="15" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".BackupContactsActivity"
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>
我想提取手机中的所有电话联系人（姓名+号码）并将它们放入字符串消息中，因此当我点击应用程序中的“备份”按钮时，这些联系人信息将直接发送到我的电子邮箱。我刚刚使用Eclipse模拟器尝试了这个，我已经在我的Manifest中添加了 READ_CONTACTS 和 INTERNET 权限。但它出现了我的logcat中陈述的问题。有人可以帮我解决问题吗？谢谢... （我确实使用了发件人和收件人的真实电子邮件地址）
答案 0 :(得分：2)
我认为这是由于清单文件中的uses-permission。检查manifest-permission的清单文件。