我正在开发一个应该从特定号码接收彩信的应用程序 我发现这个代码，但它给了我一个没有，只是你好世界TextView
任何帮助都会适用它
package com.wzx.andapp.shh;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.MessageFormat;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.telephony.SmsMessage;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class MmsReaderActivity extends Activity {
private final Uri CONTENT_URI_PART = Uri.parse("content://mms/part"); // ²ÊП½¼þ±í
private static final String MSG_ID_STR = "mid=%1$s";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
long msg_id = this.getIntent().getLongExtra("msg_id", 0);
// final LayoutInflater inflater = LayoutInflater.from(this);
// final ViewGroup v = (ViewGroup) inflater.inflate(
// R.layout.mms_item_detail, null);
setContentView(R.layout.mms_item_detail);
ViewGroup listview = (ViewGroup) findViewById(R.id.mmsdetaillist);
// Uri uri = Uri.parse("content://mms/");
// String selection = "_id = " + msg_id;
// Cursor mcursor = getContentResolver().query(uri, null, selection,
// null,
// null);
Cursor cursor = getContentResolver().query(CONTENT_URI_PART, null,
String.format(MSG_ID_STR, msg_id), null, null);
if (cursor.moveToFirst()) {
do {
String partId = cursor.getString(cursor.getColumnIndex("_id"));
String type = cursor.getString(cursor.getColumnIndex("ct"));
if ("text/plain".equals(type)) {
String data = cursor.getString(cursor
.getColumnIndex("_data"));
String body;
if (data != null) {
// implementation of this method below
body = getMmsText(partId);
} else {
body = cursor.getString(cursor.getColumnIndex("text"));
}
TextView t = new TextView(this);
t.setText(body);
listview.addView(t);
} else if ("image/jpeg".equals(type)
|| "image/bmp".equals(type) || "image/gif".equals(type)
|| "image/jpg".equals(type) || "image/png".equals(type)) {
Bitmap bitmap = getMmsImage(partId);
ImageView iv = new ImageView(this);
iv.setImageBitmap(bitmap);
listview.addView(iv);
}
} while (cursor.moveToNext());
}
cursor.close();
}
public void getAllMms() {
Uri uri = Uri.parse("content://mms/");
String selection = null;// "_id = " + mmsId;
Cursor cursor = getContentResolver().query(uri, null, selection, null,
null);
String[] temp = cursor.getColumnNames();
for (int i = 0; i < temp.length; i++)
System.out.println(i + ":" + temp[i]);
cursor.close();
}
/**
*
*/
// _id is the ID of the message. Captain obvious to the rescue? Not really.
// This ID can be used to retrieve detailed information using either
// content://sms or content://mms.
// date no explanation needed.
// thread_id is the ID of the conversation
// body The content of the last SMS on this conversation.
// If it's an MMS, even if it has a text part, this will be null.
public void getSmsMms() {
// usually, when you call query and want to return all columns you can
// pass null as the projection parameter. However, you can not do that
// with this provider, so that's why I'm using *
ContentResolver contentResolver = getContentResolver();
final String[] projection = new String[] { "*" };
Uri uri = Uri.parse("content://mms-sms/conversations/");
Cursor cursor = contentResolver
.query(uri, projection, null, null, null);
String[] temp = cursor.getColumnNames();
for (int i = 0; i < temp.length; i++)
System.out.println(i + ":" + temp);
}
public void getMms(String mmsId) {
Uri uri = Uri.parse("content://mms/");
String selection = "_id = " + mmsId;
Cursor cursor = getContentResolver().query(uri, null, selection, null,
null);
}
public void getAllText(String mmsId) {
String selectionPart = "mid=" + mmsId;
Uri uri = Uri.parse("content://mms/part");
Cursor cursor = getContentResolver().query(uri, null, selectionPart,
null, null);
if (cursor.moveToFirst()) {
do {
String partId = cursor.getString(cursor.getColumnIndex("_id"));
String type = cursor.getString(cursor.getColumnIndex("ct"));
if ("text/plain".equals(type)) {
String data = cursor.getString(cursor
.getColumnIndex("_data"));
String body;
if (data != null) {
// implementation of this method below
body = getMmsText(partId);
} else {
body = cursor.getString(cursor.getColumnIndex("text"));
}
}
} while (cursor.moveToNext());
}
}
public String getMmsText(String id) {
Uri partURI = Uri.parse("content://mms/part/" + id);
InputStream is = null;
StringBuilder sb = new StringBuilder();
try {
is = getContentResolver().openInputStream(partURI);
if (is != null) {
InputStreamReader isr = new InputStreamReader(is, "UTF-8");
BufferedReader reader = new BufferedReader(isr);
String temp = reader.readLine();
while (temp != null) {
sb.append(temp);
temp = reader.readLine();
}
}
} catch (IOException e) {
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
}
}
}
return sb.toString();
}
public void getAllImg(String mmsId) {
String selectionPart = "mid=" + mmsId;
Uri uri = Uri.parse("content://mms/part");
Cursor cPart = getContentResolver().query(uri, null, selectionPart,
null, null);
if (cPart.moveToFirst()) {
do {
String partId = cPart.getString(cPart.getColumnIndex("_id"));
String type = cPart.getString(cPart.getColumnIndex("ct"));
if ("image/jpeg".equals(type) || "image/bmp".equals(type)
|| "image/gif".equals(type) || "image/jpg".equals(type)
|| "image/png".equals(type)) {
Bitmap bitmap = getMmsImage(partId);
}
} while (cPart.moveToNext());
}
}
public Bitmap getMmsImage(String _id) {
Uri partURI = Uri.parse("content://mms/part/" + _id);
InputStream is = null;
Bitmap bitmap = null;
try {
is = getContentResolver().openInputStream(partURI);
bitmap = BitmapFactory.decodeStream(is);
} catch (IOException e) {
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
}
}
}
return bitmap;
}
public String getAddressNumber(int id) {
String selectionAdd = new String("msg_id=" + id);
String uriStr = MessageFormat.format("content://mms/{0}/addr", id);
Uri uriAddress = Uri.parse(uriStr);
Cursor cAdd = getContentResolver().query(uriAddress, null,
selectionAdd, null, null);
String name = null;
if (cAdd.moveToFirst()) {
do {
String number = cAdd.getString(cAdd.getColumnIndex("address"));
if (number != null) {
try {
Long.parseLong(number.replace("-", ""));
name = number;
} catch (NumberFormatException nfe) {
if (name == null) {
name = number;
}
}
}
} while (cAdd.moveToNext());
}
if (cAdd != null) {
cAdd.close();
}
return name;
}
/**
* Mark a single SMS/MMS message as being read or not.
*
* @param context
* - The current context of this Activity.
* @param messageID
* - The Message ID that we want to alter.
*
* @return boolean - Returns true if the message was updated successfully.
*/
public static boolean setMessageRead(Context context, long messageID,
boolean isViewed) {
try {
if (messageID == 0) {
return false;
}
ContentValues contentValues = new ContentValues();
if (isViewed) {
contentValues.put("READ", 1);
} else {
contentValues.put("READ", 0);
}
String selection = null;
String[] selectionArgs = null;
context.getContentResolver().update(
Uri.parse("content://mms/" + messageID), contentValues,
selection, selectionArgs);
return true;
} catch (Exception ex) {
return false;
}
}
}
提前致谢。我真的需要帮助
答案 0 :(得分：2)
尝试更改以下行： Cursor cursor = getContentResolver（）。query（CONTENT_URI_PART，null，String.format（MSG_ID_STR，msg_id），null，null）;
为：
Cursor cursor = getContentResolver（）。query（uri，null， null，null，null）;