HTTP操作（GET,POST），執行緒的使用，介面的切換
阿新 • • 發佈：2019-02-11
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.http" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="16" /> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name=".http" android:label="@string/title_activity_http" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".GET" android:label="@string/title_activity_get" > <intent-filter> <action android:name="android.intent.action.get" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".POST" android:label="@string/title_activity_post" > <intent-filter> <action android:name="android.intent.action.post" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-permission android:name="android.permission.INTERNET"/> </manifest>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" > <Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:layout_marginTop="40dp" android:onClick="jumpToGet" android:text="GET" /> <Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_below="@+id/button1" android:layout_marginTop="40dp" android:onClick="jumpToPost" android:text="POST" /> </RelativeLayout>
HTTP
GET<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" > <TextView android:id="@+id/gettextView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:text="URL:" android:textAppearance="?android:attr/textAppearanceLarge" /> <EditText android:id="@+id/geteditText1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_toRightOf="@+id/gettextView1" android:ems="10" android:inputType="textNoSuggestions" android:text="http://btbu.pw/test.php" > </EditText> <Button android:id="@+id/getbutton1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignRight="@+id/geteditText1" android:layout_below="@+id/geteditText1" android:onClick="get" android:text="GET" /> <TextView android:id="@+id/gettextView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_below="@+id/getbutton1" android:text="TextView" /> </RelativeLayout>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/ptextView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:text="URL:"
android:textAppearance="?android:attr/textAppearanceLarge" />
<EditText
android:id="@+id/peditText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/pbutton1"
android:ems="10"
android:inputType="textNoSuggestions"
android:text="http://btbu.pw/test.php" />
<EditText
android:id="@+id/peditText2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/peditText1"
android:layout_alignParentRight="true"
android:layout_below="@+id/peditText1"
android:ems="10"
android:inputType="textNoSuggestions"
android:text="name=ypw&data=test1234" />
<Button
android:id="@+id/pbutton1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/peditText1"
android:onClick="post"
android:text="POST" />
<TextView
android:id="@+id/ptextView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/pbutton1"
android:text="textView2" />
</RelativeLayout>
package com.example.http;
import android.os.Bundle;
import android.os.StrictMode;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
public class http extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_http);
StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
.detectDiskWrites()
.detectDiskReads()
.detectNetwork()
.penaltyLog()
.build());
StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
.detectLeakedSqlLiteObjects()
.detectLeakedClosableObjects()
.penaltyLog()
.penaltyDeath()
.build());
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
//getMenuInflater().inflate(R.menu.activity_http, menu);
return true;
}
public void jumpToGet(View v){
Intent intent = new Intent();
intent.setClass(this, GET.class);
startActivity(intent);
}
public void jumpToPost(View v){
Intent intent = new Intent();
intent.setClass(this, POST.class);
startActivity(intent);
}
}
HTTP
package com.example.http;
import java.io.*;
import org.apache.http.*;
import org.apache.http.client.*;
import org.apache.http.client.methods.*;
import org.apache.http.impl.client.*;
import org.apache.http.util.EntityUtils;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.*;
import android.os.*;
public class GET extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_get);
StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
.detectDiskWrites()
.detectDiskReads()
.detectNetwork()
.penaltyLog()
.build());
StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
.detectLeakedSqlLiteObjects()
.detectLeakedClosableObjects()
.penaltyLog()
.penaltyDeath()
.build()); }
@Override
public boolean onCreateOptionsMenu(Menu menu) {
//getMenuInflater().inflate(R.menu.activity_get, menu);
return true;
}
public String HTTPGET(String url)
{
String result = "";
try{
HttpGet httpget=new HttpGet(url);
HttpClient httpclient = new DefaultHttpClient();
HttpResponse hResponse;
hResponse = httpclient.execute(httpget);
if(hResponse.getStatusLine().getStatusCode()==200)
{
result = EntityUtils.toString(hResponse.getEntity());
}
}catch (ClientProtocolException e){
e.printStackTrace();
}catch (IOException e){
e.printStackTrace();
}
return(result);
}
Runnable get = new Runnable(){
@Override
public void run(){
final EditText editText1 =(EditText)findViewById(R.id.geteditText1);
final TextView textView2 =(TextView)findViewById(R.id.gettextView2);
final String url = editText1.getText().toString();
final String result = HTTPGET(url);
textView2.post(new Runnable() {
public void run() {
textView2.setText(result);
}
});
}
};
public void get(View v)
{
Thread thread = new Thread(get);
thread.start();
}
}
GET
package com.example.http;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.*;
import org.apache.http.client.*;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.*;
import org.apache.http.impl.client.*;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import android.os.Bundle;
import android.os.StrictMode;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.*;
public class POST extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_post);
StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
.detectDiskWrites()
.detectDiskReads()
.detectNetwork()
.penaltyLog()
.build());
StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
.detectLeakedSqlLiteObjects()
.detectLeakedClosableObjects()
.penaltyLog()
.penaltyDeath()
.build()); }
@Override
public boolean onCreateOptionsMenu(Menu menu) {
//getMenuInflater().inflate(R.menu.activity_get, menu);
return true;
}
public String HTTPPOST(String url,String postdata)
{
String result = "";
HttpPost hPost=new HttpPost(url);
List <NameValuePair> params=new ArrayList<NameValuePair>();
String posts[]=postdata.split("&");
String posts2[];
int i;
for(i=0;i<posts.length;i++)
{
posts2=posts[i].split("=");
params.add(new BasicNameValuePair (posts2[0],posts2[1]));
}
try{
HttpEntity hen=new UrlEncodedFormEntity(params,"gb2312");
hPost.setEntity(hen);
HttpClient httpclient = new DefaultHttpClient();
HttpResponse hResponse;
hResponse = httpclient.execute(hPost);
if(hResponse.getStatusLine().getStatusCode()==200)
{
result = EntityUtils.toString(hResponse.getEntity());
result = new String(result.getBytes("ISO_8859_1"),"gbk");
}
}catch (Exception e){
e.printStackTrace();
}
return(result);
}
Runnable post = new Runnable(){
@Override
public void run(){
EditText editText1 =(EditText)findViewById(R.id.peditText1);
EditText editText2 =(EditText)findViewById(R.id.peditText2);
final TextView textView2 =(TextView)findViewById(R.id.ptextView2);
String url = editText1.getText().toString();
String postdata = editText2.getText().toString();
final String result = HTTPPOST(url,postdata);
textView2.post(new Runnable() {
public void run() {
textView2.setText(result);
}
});
}
};
public void post(View v)
{
Thread thread = new Thread(post);
thread.start();
}
}
POST