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FeirtyFeirty
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#1 #43 第五次试验
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‎AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903229/CreateSchedule.java

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package edu.hzuapps.androidlabs.homeworks.net1414080903229;
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import android.os.Environment;
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.util.Xml;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.Toast;
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import org.xmlpull.v1.XmlSerializer;
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import java.io.File;
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import java.io.FileOutputStream;
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/**
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* Created by Administrator on 2017-4-14.
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*/
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public class CreateSchedule extends AppCompatActivity {
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private EditText event;
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private EditText time;
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private EditText content;
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private Button save;
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.createschedule_net1414080903229);
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event = (EditText) findViewById(R.id.JH);
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time = (EditText) findViewById(R.id.time);
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content = (EditText) findViewById(R.id.add_content);
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save = (Button) findViewById(R.id.btn_ok);
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save.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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String event1 = event.getText().toString();
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String time1 = time.getText().toString();
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String content1 = content.getText().toString();
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if(event1==null || event1.equals("")){
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Toast.makeText(CreateSchedule.this,"计划名称不为空！",Toast.LENGTH_SHORT).show();
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}else if(time1==null ||time1.equals("")){
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Toast.makeText(CreateSchedule.this, "时间不为空！", Toast.LENGTH_SHORT).show();
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}else if(content1==null || content1.equals("")){
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Toast.makeText(CreateSchedule.this,"内容不为空！",Toast.LENGTH_SHORT).show();
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}else{
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PlanInfo plan = new PlanInfo();
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plan.setEvent(event1);
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plan.setTime(time1);
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plan.setContent(content1);
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saveXml(plan);
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}
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}
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}
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);
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}
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// 保存信息
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public void saveXml(PlanInfo plan) {
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try {
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File file = new File(Environment.getExternalStorageDirectory(), "plans.xml");
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FileOutputStream fos = new FileOutputStream(file);
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// 获得一个序列化工具
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XmlSerializer serializer = Xml.newSerializer();
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serializer.setOutput(fos, "utf-8");
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// 设置文件头
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serializer.startDocument("utf-8", true);
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serializer.startTag(null, "plans");
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serializer.startTag(null,"plan");
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// 写事件
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serializer.startTag(null, "event");
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serializer.text(plan.getEvent());
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serializer.endTag(null, "event");
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// 写时间
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serializer.startTag(null, "time");
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serializer.text(plan.getTime());
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serializer.endTag(null, "time");
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//写内容
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serializer.startTag(null, "content");
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serializer.text(plan.getContent());
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serializer.endTag(null, "content");
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serializer.endTag(null, "plan");
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serializer.endTag(null, "plans");
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serializer.endDocument();
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fos.close();
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Toast.makeText(getApplicationContext(), "计划创建成功！", Toast.LENGTH_SHORT).show();
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} catch (Exception e) {
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e.printStackTrace();
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Toast.makeText(getApplicationContext(), "计划创建失败！", Toast.LENGTH_SHORT).show();
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}
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}
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}

‎AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903229/PlanInfo.java

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package edu.hzuapps.androidlabs.homeworks.net1414080903229;
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/**
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* Created by Administrator on 2017-6-1.
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*/
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public class PlanInfo {
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private String event;
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private String time;
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private String content;
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public PlanInfo(){
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super();
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}
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public void setEvent(String event){
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this.event = event;
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}
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public String getEvent(){
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return event;
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}
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public void setTime(String time){
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this.time = time;
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}
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public String getTime(){
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return time;
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}
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public void setContent(String content){
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this.content = content;
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}
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public String getContent(){
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return content;
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}
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}

‎AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903229/PlansService.java

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package edu.hzuapps.androidlabs.homeworks.net1414080903229;
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import android.os.Environment;
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import android.support.v7.app.AppCompatActivity;
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import android.util.Xml;
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import org.xmlpull.v1.XmlPullParser;
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import java.io.File;
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import java.io.FileInputStream;
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/**
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* Created by Administrator on 2017-6-1.
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*/
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public class PlansService extends AppCompatActivity {
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public static PlanInfo getPlanInfo(String filename) throws Exception{
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XmlPullParser parser = Xml.newPullParser();
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File sdDir = Environment.getExternalStorageDirectory();
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File file = new File(sdDir, filename);
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FileInputStream fis = new FileInputStream(file);
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parser.setInput(fis,"utf-8");
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PlanInfo planinfo =null;
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int type= parser.getEventType();
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while (type!=XmlPullParser.END_DOCUMENT){
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switch (type){
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case XmlPullParser.START_TAG:
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if("plans".equals(parser.getName())){
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}else if("plan".equals(parser.getName())){
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planinfo = new PlanInfo();
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}else if("event".equals(parser.getName())){
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String event = parser.nextText();
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planinfo.setEvent(event);
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}else if("time".equals(parser.getName())){
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String time = parser.nextText();
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planinfo.setTime(time);
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}else if("content".equals(parser.getName())){
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String content = parser.nextText();
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planinfo.setContent(content);
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}
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break;
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case XmlPullParser.END_TAG:
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break;
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}
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type = parser.next();
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}
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return planinfo;
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}
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}

‎AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903229/UpdateSchedule.java

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package edu.hzuapps.androidlabs.homeworks.net1414080903229;
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import android.os.Bundle;
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import android.os.Environment;
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import android.support.v7.app.AppCompatActivity;
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import android.util.Xml;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.Toast;
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import org.xmlpull.v1.XmlSerializer;
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import java.io.File;
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import java.io.FileOutputStream;
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/**
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* Created by Administrator on 2017-4-28.
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*/
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public class UpdateSchedule extends AppCompatActivity {
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private EditText event;
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private EditText time;
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private EditText content;
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private Button save;
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.updateschedule_net1414080903229);
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event = (EditText) findViewById(R.id.JH);
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time = (EditText) findViewById(R.id.time);
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content = (EditText) findViewById(R.id.add_content);
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save = (Button) findViewById(R.id.btn_ok);
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try {
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PlanInfo plan = null;
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plan = new PlansService().getPlanInfo("plans.xml");
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event.setText(plan.getEvent());
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time.setText(plan.getTime());
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content.setText(plan.getContent());
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} catch (Exception e) {
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e.printStackTrace();
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}
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save.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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String event1 = event.getText().toString();
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String time1 = time.getText().toString();
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String content1 = content.getText().toString();
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PlanInfo plan =new PlanInfo();
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plan.setEvent(event1);
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plan.setContent(content1);
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plan.setTime(time1);
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saveXml(plan);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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);
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}
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// 保存信息
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public void saveXml(PlanInfo plan) {
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try {
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File file = new File(Environment.getExternalStorageDirectory(), "plans.xml");
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FileOutputStream fos = new FileOutputStream(file);
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// 获得一个序列化工具
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XmlSerializer serializer = Xml.newSerializer();
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serializer.setOutput(fos, "utf-8");
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// 设置文件头
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serializer.startDocument("utf-8", true);
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serializer.startTag(null, "plans");
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serializer.startTag(null,"plan");
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// 写事件
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serializer.startTag(null, "event");
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serializer.text(plan.getEvent());
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serializer.endTag(null, "event");
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// 写时间
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serializer.startTag(null, "time");
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serializer.text(plan.getTime());
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serializer.endTag(null, "time");
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//写内容
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serializer.startTag(null, "content");
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serializer.text(plan.getContent());
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serializer.endTag(null, "content");
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serializer.endTag(null, "plan");
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serializer.endTag(null, "plans");
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serializer.endDocument();
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fos.close();
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Toast.makeText(getApplicationContext(), "计划修改成功！", Toast.LENGTH_SHORT).show();
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} catch (Exception e) {
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e.printStackTrace();
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Toast.makeText(getApplicationContext(), "计划修改失败！", Toast.LENGTH_SHORT).show();
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}
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}
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}

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