Android基层接口——短信备份实现
MainActivity
package com.example.zong.testcopy;
import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.support.v4.content.ContentResolverCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void click(View view) {
Uri uri = Uri.parse("content://sms/");
ContentResolver resolver = getContentResolver();
Cursor cursor = resolver.query(uri, new String[]{"address", "date", "type", "body"}, null, null, null);
List<SmsInfo> smsInfos = new ArrayList<SmsInfo>();
while (cursor.moveToNext()) {
String address = cursor.getString(0);
long date = cursor.getLong(1);
int type = cursor.getInt(2);
String body = cursor.getString(3);
SmsInfo smsInfo = new SmsInfo(date, type, body, address);
smsInfos.add(smsInfo);
}
cursor.close();
SmsUtils.backUpSms(smsInfos, this);
}
}
SmsInfo
package com.example.zong.testcopy;
/**
* Created by Zong on 2017/6/22.
*/
public class SmsInfo {
private long date;
private int type;
private String body;
private String address;
private int id;
public int getId(){
return id;
}
public void setId(int id) {
this.id = id;
}
public SmsInfo(){
}
public SmsInfo(long date,int type,String body,String address,int id){
this.date=date;
this.type=type;
this.body=body;
this.address=address;
this.id=id;
}
public SmsInfo(long date,int type,String body,String address){
this.date=date;
this.type=type;
this.body=body;
this.address=address;
}
public long getDate() {
return date;
}
public void setDate(long date) {
this.date = date;
}
public int getType() {
return type;
}
public void setType(int type) {
this.type = type;
}
public String getBody() {
return body;
}
public void setBody(String body) {
this.body = body;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}
SmsUtils
package com.example.zong.testcopy;
import android.content.Context;
import android.os.Environment;
import android.util.Xml;
import android.widget.Toast;
import org.xmlpull.v1.XmlSerializer;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
/**
* Created by Zong on 2017/6/22.
*/
public class SmsUtils {
public static void backupSms(List<SmsInfo> smsInfos, Context context) throws IOException {
try {
XmlSerializer serialier = Xml.newSerializer();
File file = new File(Environment.getExternalStoragePublicDirectory(), "sms.xml");
FileOutputStream os = new FileOutputStream(file);
serialier.setOutput(os, "utf-8");
serialier.startDocument("utf-8", true);
serialier.startTag(null, "smss");
for (SmsInfo info : smsInfos) {
serialier.startTag(null, "smss");
serialier.attribute(null, "id", info.getId() + "");
serialier.startTag(null, "body");
serialier.text(info.getBody());
serialier.endTag(null, "body");
serialier.startTag(null, "address");
serialier.text(info.getAddress());
serialier.endTag(null, "address");
serialier.startTag(null, "type");
serialier.text(info.getType() + "");
serialier.endTag(null, "type");
serialier.startTag(null, "date");
serialier.text(info.getDate() + "");
serialier.endTag(null, "date");
serialier.endTag(null, "sms");
}
serialier.endTag(null, "sms");
serialier.endDocument();
os.close();
Toast.makeText(context, "备份成功", 0).show();
} catch (Exception e) {
e.printStackTrace();
Toast.makeText(context, "备份失败", 0).show();
}
}
}
AndroidMainFest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.zong.testcopy">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.READ_SMS"/>
<uses-permission android:name="android.permission.WRITE_SMS"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
</manifest>