我不知道如何以编程方式访问 android 手机的收件箱，请您指导我或分享一些教程我该怎么做（访问手机的收件箱）。顺便说一句，我的应用程序是这样的。它是一个 SMS 加密器，我的应用程序复制了原始收件箱的内容，通过它我可以加密发送它的消息，反之亦然，我的应用程序是解密该消息的唯一方法。
user1451125
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2 回答
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在内容提供者的帮助下，您可以实现您的目标，请查看下面从此处复制的示例，这样如果博客消失，这篇文章仍然有用，希望它对您有所帮助，也可以通过内容提供者。
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.itcuties.android.apps"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="16" />
<uses-permission android:name="android.permission.READ_SMS"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.itcuties.android.apps.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>
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#000">
<TextView
android:id="@+id/smsNumberText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="NUMBER_GOES_HERE">
</TextView>
</LinearLayout>
SMSData.java
package com.itcuties.android.apps.data;
/**
* This class represents SMS.
*
* @author itcuties
*
*/
public class SMSData {
// Number from witch the sms was send
private String number;
// SMS text body
private String body;
public String setNumber() {
return number;
}
public void setNumber(String number) {
this.number = number;
}
public String setBody() {
return body;
}
public void setBody(String body) {
this.body = body;
}
}
ListAdapter.java
package com.itcuties.android.apps;
import java.util.List;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import com.itcuties.android.apps.data.SMSData;
/**
* List adapter for storing SMS data
*
* @author itcuties
*
*/
public class ListAdapter extends ArrayAdapter<SMSData> {
// List context
private final Context context;
// List values
private final List<SMSData> smsList;
public ListAdapter(Context context, List<SMSData> smsList) {
super(context, R.layout.activity_main, smsList);
this.context = context;
this.smsList = smsList;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View rowView = inflater.inflate(R.layout.activity_main, parent, false);
TextView senderNumber = (TextView) rowView.findViewById(R.id.smsNumberText);
senderNumber.setText(smsList.get(position).setNumber().toString());
return rowView;
}
}
MainActivity.java
package com.itcuties.android.apps;
import java.util.ArrayList;
import java.util.List;
import android.app.ListActivity;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;
import android.widget.Toast;
import com.itcuties.android.apps.data.SMSData;
/**
* Main Activity. Displays a list of numbers.
*
* @author itcuties
*
*/
public class MainActivity extends ListActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ArrayList<Message> smsInbox = new ArrayList<Message>();
Uri uriSms = Uri.parse("content://sms");
Cursor cursor = this.getContentResolver()
.query(uriSms,
new String[] { "_id", "address", "date", "body",
"type", "read" }, "type=" + type, null,
"date" + " COLLATE LOCALIZED ASC");
if (cursor != null) {
cursor.moveToLast();
if (cursor.getCount() > 0) {
do {
Message message = new Message();
message.messageNumber = cursor.getString(cursor
.getColumnIndex("address"));
message.messageContent = cursor.getString(cursor
.getColumnIndex("body"));
smsInbox.add(message);
} while (cursor.moveToPrevious());
}
}
c.close();
// Set smsList in the ListAdapter
setListAdapter(new ListAdapter(this, smsList));
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
SMSData sms = (SMSData)getListAdapter().getItem(position);
Toast.makeText(getApplicationContext(), sms.setBody(), Toast.LENGTH_LONG).show();
}
}
还检查以下相关链接@
于 2012-12-31T04:52:19.267 回答
1
public class MainActivity extends Activity {
private static final int TYPE_INCOMING_MESSAGE = 1;
private ListView messageList;
private MessageListAdapter messageListAdapter;
private ArrayList<Message> recordsStored;
private ArrayList<Message> listInboxMessages;
private ProgressDialog progressDialogInbox;
private CustomHandler customHandler;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initViews();
}
@Override
public void onResume() {
super.onResume();
populateMessageList();
}
private void initViews() {
customHandler = new CustomHandler(this);
progressDialogInbox = new ProgressDialog(this);
recordsStored = new ArrayList<Message>();
messageList = (ListView) findViewById(R.id.messageList);
populateMessageList();
}
public void populateMessageList() {
fetchInboxMessages();
messageListAdapter = new MessageListAdapter(this,
R.layout.message_list_item, recordsStored);
messageList.setAdapter(messageListAdapter);
}
private void showProgressDialog(String message) {
progressDialogInbox.setMessage(message);
progressDialogInbox.setIndeterminate(true);
progressDialogInbox.setCancelable(true);
progressDialogInbox.show();
}
private void fetchInboxMessages() {
if (listInboxMessages == null) {
showProgressDialog("Fetching Inbox Messages...");
startThread();
} else {
// messageType = TYPE_INCOMING_MESSAGE;
recordsStored = listInboxMessages;
messageListAdapter.setArrayList(recordsStored);
}
}
public class FetchMessageThread extends Thread {
public int tag = -1;
public FetchMessageThread(int tag) {
this.tag = tag;
}
@Override
public void run() {
recordsStored = fetchInboxSms(TYPE_INCOMING_MESSAGE);
listInboxMessages = recordsStored;
customHandler.sendEmptyMessage(0);
}
}
public ArrayList<Message> fetchInboxSms(int type) {
ArrayList<Message> smsInbox = new ArrayList<Message>();
Uri uriSms = Uri.parse("content://sms");
Cursor cursor = this.getContentResolver()
.query(uriSms,
new String[] { "_id", "address", "date", "body",
"type", "read" }, "type=" + type, null,
"date" + " COLLATE LOCALIZED ASC");
if (cursor != null) {
cursor.moveToLast();
if (cursor.getCount() > 0) {
do {
Message message = new Message();
message.messageNumber = cursor.getString(cursor
.getColumnIndex("address"));
message.messageContent = cursor.getString(cursor
.getColumnIndex("body"));
smsInbox.add(message);
} while (cursor.moveToPrevious());
}
}
return smsInbox;
}
private FetchMessageThread fetchMessageThread;
private int currentCount = 0;
public synchronized void startThread() {
if (fetchMessageThread == null) {
fetchMessageThread = new FetchMessageThread(currentCount);
fetchMessageThread.start();
}
}
public synchronized void stopThread() {
if (fetchMessageThread != null) {
Log.i("Cancel thread", "stop thread");
FetchMessageThread moribund = fetchMessageThread;
currentCount = fetchMessageThread.tag == 0 ? 1 : 0;
fetchMessageThread = null;
moribund.interrupt();
}
}
static class CustomHandler extends Handler {
private final WeakReference<MainActivity> activityHolder;
CustomHandler(MainActivity inboxListActivity) {
activityHolder = new WeakReference<MainActivity>(inboxListActivity);
}
@Override
public void handleMessage(android.os.Message msg) {
MainActivity inboxListActivity = activityHolder.get();
if (inboxListActivity.fetchMessageThread != null
&& inboxListActivity.currentCount == inboxListActivity.fetchMessageThread.tag) {
Log.i("received result", "received result");
inboxListActivity.fetchMessageThread = null;
inboxListActivity.messageListAdapter
.setArrayList(inboxListActivity.recordsStored);
inboxListActivity.progressDialogInbox.dismiss();
}
}
}
private OnCancelListener dialogCancelListener = new OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
stopThread();
}
};
}
于 2012-12-31T04:56:56.170 回答