Java Android Studio不推荐使用HttpParams、HttpConnectionParams、ConnManagerParams和setTimeout
你好，我是Android编程新手。我想制作一个可以将Android连接到web服务器的应用程序。以下是我使用的代码：Java Android Studio不推荐使用HttpParams、HttpConnectionParams、ConnManagerParams和setTimeout,java,android,Java,Android,你好，我是Android编程新手。我想制作一个可以将Android连接到web服务器的应用程序。以下是我使用的代码： public void cari (View v){ ArrayList<NameValuePair> arData = new ArrayList<NameValuePair>(); arData.add(new BasicNameValuePair("nama", edNama.getText().toString()
public void cari (View v){
ArrayList<NameValuePair> arData = new ArrayList<NameValuePair>();
arData.add(new BasicNameValuePair("nama", edNama.getText().toString()));
String respon = null;
try {
respon = KoneksiHTTP.eksekusiHttpPost("http://example.com/myphp.php", arData);
String r = respon.toString();
r = r.trim();
AlertDialog close = new AlertDialog.Builder(this)
.setTitle("ESTIMASI MANFAAT")
.setMessage(r.toString())
.setNegativeButton("Kembali", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dlg, int sumthin) {
// TODO Auto-generated method stub
}
})
.show();
} catch (Exception e) {
e.printStackTrace();
}
finally {
edNama.setText(null);
}
}
apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "23.0.1"
useLibrary 'org.apache.http.legacy'
defaultConfig {
applicationId "com.example.plz.taspenmobile"
minSdkVersion 14
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.1.1'
compile 'com.android.support:design:23.1.1'
compile 'com.android.support:support-v4:23.1.1'
compile 'com.google.android.gms:play-services:8.4.0'
compile 'com.google.android.gms:play-services-maps:8.4.0'
compile 'com.google.android.gms:play-services-location:8.4.0'
compile 'org.jbundle.util.osgi.wrapped:org.jbundle.util.osgi.wrapped.org.apache.http.client:4.1.2'
compile 'org.apache.httpcomponents:httpclient:4.5'
}
try {
CallWebService respon = new CallWebService("POST", "http://example.com/myphp.php", apiParams) {
@Override
public void OnStartingService() {
super.OnStartingService();
}
//@Override
public void OnGettingResult(JSONObject jsonObject) throws JSONException, MethodNotDefinedException {
super.OnGettingResult(toString());
}
};
String r = respon.toString();
r = r.trim();
AlertDialog close = new AlertDialog.Builder(estimasi.this)
.setTitle("Estimasi Manfaat")
.setMessage(r.toString())
.setNegativeButton("Kembali", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dlg, int sumthin) {
// TODO Auto-generated method stub
}
})
.show();
} catch (Exception e) {
e.printStackTrace();
}
finally {
edNama.setText(null);
}
您必须使用
HttpURLConnectionpublic static String getHttpResponse(String url) {
StringBuffer responseString = null;
String inputLine;
HttpURLConnection connection = null;
try {
URL dataUrl = new URL(url);
connection = (HttpURLConnection) dataUrl.openConnection();
// optional default is GET
connection.setRequestMethod("GET");
int responseCode = connection.getResponseCode();
if (responseCode == 200) {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
responseString = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseString.append(inputLine);
}
in.close();
}
} catch (Exception e) {
Log.w("Some error occured", e);
return null;
} finally {
try {
connection.disconnect();
} catch (Exception e) {
e.printStackTrace(); //If you want further info on failure...
return null;
}
}
return responseString.toString();
}
public static String postHttpResponse(String dataUrl, HashMap<String, String> postData) {
StringBuffer responseString = null;
HttpURLConnection connection = null;
String inputLine;
try {
URL postUrl = new URL(dataUrl);
String email_id = postData.get("email_id");
String device_id = postData.get("device_id");
String status = postData.get("status");
connection = (HttpURLConnection) postUrl.openConnection();
String urlParameters = "device_id=" + device_id + "&email_id=" + email_id + "&status=" + status;
connection.setRequestMethod("POST");
connection.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
wr.writeBytes(urlParameters);
wr.flush();
wr.close();
int responseCode = connection.getResponseCode();
if (responseCode == 200) {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
responseString = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseString.append(inputLine);
}
in.close();
}
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
try {
connection.disconnect();
} catch (Exception e) {
e.printStackTrace(); //If you want further info on failure...
return null;
}
}
return responseString.toString();
}
public static String getHttpResponse(String url) {
StringBuffer responseString = null;
String inputLine;
HttpURLConnection connection = null;
try {
URL dataUrl = new URL(url);
connection = (HttpURLConnection) dataUrl.openConnection();
// optional default is GET
connection.setRequestMethod("GET");
int responseCode = connection.getResponseCode();
if (responseCode == 200) {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
responseString = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseString.append(inputLine);
}
in.close();
}
} catch (Exception e) {
Log.w("Some error occured", e);
return null;
} finally {
try {
connection.disconnect();
} catch (Exception e) {
e.printStackTrace(); //If you want further info on failure...
return null;
}
}
return responseString.toString();
}
public static String postHttpResponse(String dataUrl, HashMap<String, String> postData) {
StringBuffer responseString = null;
HttpURLConnection connection = null;
String inputLine;
try {
URL postUrl = new URL(dataUrl);
String email_id = postData.get("email_id");
String device_id = postData.get("device_id");
String status = postData.get("status");
connection = (HttpURLConnection) postUrl.openConnection();
String urlParameters = "device_id=" + device_id + "&email_id=" + email_id + "&status=" + status;
connection.setRequestMethod("POST");
connection.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
wr.writeBytes(urlParameters);
wr.flush();
wr.close();
int responseCode = connection.getResponseCode();
if (responseCode == 200) {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
responseString = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseString.append(inputLine);
}
in.close();
}
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
try {
connection.disconnect();
} catch (Exception e) {
e.printStackTrace(); //If you want further info on failure...
return null;
}
}
return responseString.toString();
}
公共静态字符串postHttpResponse（字符串dataUrl、HashMap postData）{
StringBuffer responseString=null；
HttpURLConnection=null；
字符串输入线；
试一试{
URL postrl=新URL（数据URL）；
字符串email_id=postData.get（“email_id”）；
字符串device_id=postData.get（“device_id”）；
字符串状态=postData.get（“状态”）；
connection=（HttpURLConnection）postrl.openConnection（）；
字符串urlParameters=“device_id=“+device_id+”&email_id=“+email_id+”&status=“+status；
connection.setRequestMethod（“POST”）；
connection.setDoOutput（真）；
DataOutputStream wr=新的DataOutputStream（connection.getOutputStream（））；
writeBytes（URL参数）；
wr.flush（）；
wr.close（）；
int responseCode=connection.getResponseCode（）；
如果（响应代码==200）{
BufferedReader in=新的BufferedReader（新的InputStreamReader（connection.getInputStream（））；
responseString=新的StringBuffer（）；
而（（inputLine=in.readLine（））！=null）{
responseString.append（输入行）；
}
in.close（）；
}
}捕获（例外e）{
e、 printStackTrace（）；
返回null；
}最后{
试一试{
连接断开（）；
}捕获（例外e）{
e、 printStackTrace（）；//如果您想了解有关失败的更多信息。。。
返回null；
}
}
返回responseString.toString（）；
}
HttpURLConnectionpublic static String getHttpResponse(String url) {
StringBuffer responseString = null;
String inputLine;
HttpURLConnection connection = null;
try {
URL dataUrl = new URL(url);
connection = (HttpURLConnection) dataUrl.openConnection();
// optional default is GET
connection.setRequestMethod("GET");
int responseCode = connection.getResponseCode();
if (responseCode == 200) {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
responseString = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseString.append(inputLine);
}
in.close();
}
} catch (Exception e) {
Log.w("Some error occured", e);
return null;
} finally {
try {
connection.disconnect();
} catch (Exception e) {
e.printStackTrace(); //If you want further info on failure...
return null;
}
}
return responseString.toString();
}
public static String postHttpResponse(String dataUrl, HashMap<String, String> postData) {
StringBuffer responseString = null;
HttpURLConnection connection = null;
String inputLine;
try {
URL postUrl = new URL(dataUrl);
String email_id = postData.get("email_id");
String device_id = postData.get("device_id");
String status = postData.get("status");
connection = (HttpURLConnection) postUrl.openConnection();
String urlParameters = "device_id=" + device_id + "&email_id=" + email_id + "&status=" + status;
connection.setRequestMethod("POST");
connection.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
wr.writeBytes(urlParameters);
wr.flush();
wr.close();
int responseCode = connection.getResponseCode();
if (responseCode == 200) {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
responseString = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseString.append(inputLine);
}
in.close();
}
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
try {
connection.disconnect();
} catch (Exception e) {
e.printStackTrace(); //If you want further info on failure...
return null;
}
}
return responseString.toString();
}
public static String getHttpResponse(String url) {
StringBuffer responseString = null;
String inputLine;
HttpURLConnection connection = null;
try {
URL dataUrl = new URL(url);
connection = (HttpURLConnection) dataUrl.openConnection();
// optional default is GET
connection.setRequestMethod("GET");
int responseCode = connection.getResponseCode();
if (responseCode == 200) {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
responseString = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseString.append(inputLine);
}
in.close();
}
} catch (Exception e) {
Log.w("Some error occured", e);
return null;
} finally {
try {
connection.disconnect();
} catch (Exception e) {
e.printStackTrace(); //If you want further info on failure...
return null;
}
}
return responseString.toString();
}
public static String postHttpResponse(String dataUrl, HashMap<String, String> postData) {
StringBuffer responseString = null;
HttpURLConnection connection = null;
String inputLine;
try {
URL postUrl = new URL(dataUrl);
String email_id = postData.get("email_id");
String device_id = postData.get("device_id");
String status = postData.get("status");
connection = (HttpURLConnection) postUrl.openConnection();
String urlParameters = "device_id=" + device_id + "&email_id=" + email_id + "&status=" + status;
connection.setRequestMethod("POST");
connection.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
wr.writeBytes(urlParameters);
wr.flush();
wr.close();
int responseCode = connection.getResponseCode();
if (responseCode == 200) {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
responseString = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseString.append(inputLine);
}
in.close();
}
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
try {
connection.disconnect();
} catch (Exception e) {
e.printStackTrace(); //If you want further info on failure...
return null;
}
}
return responseString.toString();
}
公共静态字符串postHttpResponse（字符串dataUrl、HashMap postData）{
StringBuffer responseString=null；
HttpURLConnection=null；
字符串输入线；
试一试{
URL postrl=新URL（数据URL）；
字符串email_id=postData.get（“email_id”）；
字符串device_id=postData.get（“device_id”）；
字符串状态=postData.get（“状态”）；
connection=（HttpURLConnection）postrl.openConnection（）；
字符串urlParameters=“device_id=“+device_id+”&email_id=“+email_id+”&status=“+status；
connection.setRequestMethod（“POST”）；
connection.setDoOutput（真）；
DataOutputStream wr=新的DataOutputStream（connection.getOutputStream（））；
writeBytes（URL参数）；
wr.flush（）；
wr.close（）；
int responseCode=connection.getResponseCode（）；
如果（响应代码==200）{
BufferedReader in=新的BufferedReader（新的InputStreamReader（connection.getInputStream（））；
responseString=新的StringBuffer（）；
而（（inputLine=in.readLine（））！=null）{
responseString.append（输入行）；
}
in.close（）；
}
}捕获（例外e）{
e、 printStackTrace（）；
返回null；
}最后{
试一试{
连接断开（）；
}捕获（例外e）{
e、 printStackTrace（）；//如果您想了解有关失败的更多信息。。。
返回null；
}
}
返回responseString.toString（）；
}
public class CallWebService {
private static final String GET="GET";
private static final String POST="POST";
private HashMap<String,String> apiParameters;
private static String WebService;
public CallWebService(String MethodType, String WebService, HashMap<String, String> apiParameters) throws MethodNotDefinedException {
if(MethodType!=null) {
if (MethodType.equalsIgnoreCase(GET)) {
if(WebService!=null){
this.WebService=WebService;
new ExecuteAsyncTask(GET).execute();
}else{
throw new NullPointerException("Please define webservice url.");
}
} else if(MethodType.equalsIgnoreCase(POST)){
if(WebService!=null){
if(apiParameters!=null)this.apiParameters=apiParameters;
this.WebService=WebService;
new ExecuteAsyncTask(POST).execute(apiParameters);
}else{
throw new NullPointerException("Please define webservice url.");
}
}else{
throw new MethodNotDefinedException("Define method for webservice.");
}
}else{
throw new MethodNotDefinedException("Define method for webservice.");
}
}
private class ExecuteAsyncTask extends AsyncTask<HashMap<String,String>,Void,String>{
String MethodType;
public ExecuteAsyncTask(String MethodType){
this.MethodType=MethodType;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
OnStartingService();
}
@Override
protected void onPostExecute(String string) {
super.onPostExecute(string);
try {
OnGettingResult(string);
} catch (JSONException e) {
e.printStackTrace();
} catch (MethodNotDefinedException e) {
e.printStackTrace();
}
}
@Override
protected String doInBackground(HashMap<String, String>... params) {
if(MethodType.equalsIgnoreCase(GET))
return getJSON(WebService,15000);
else try {
return getJSONPOST(WebService,params[0]);
} catch (IOException e) {
e.printStackTrace();
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
}
public void OnStartingService(){
}
public void OnGettingResult(String jsonObject) throws JSONException, MethodNotDefinedException {
}
private String getJSON(String url, int timeout) {
HttpURLConnection c = null;
try {
URL u = new URL(url);
c = (HttpURLConnection) u.openConnection();
c.setRequestMethod("GET");
c.setRequestProperty("Content-length", "0");
c.setUseCaches(false);
c.setAllowUserInteraction(false);
c.setConnectTimeout(timeout);
c.setReadTimeout(timeout);
c.connect();
int status = c.getResponseCode();
switch (status) {
case 200:
case 201:
BufferedReader br = new BufferedReader(new InputStreamReader(c.getInputStream()));
StringBuilder sb = new StringBuilder();
String line;
while ((line = br.readLine()) != null) {
sb.append(line+"\n");
}
br.close();
System.out.println(sb.toString());
return sb.toString();
}
} catch (MalformedURLException ex) {
} catch (IOException ex) {
} finally {
if (c != null) {
try {
c.disconnect();
} catch (Exception ex) {
}
}
}
return null;
}
private String getJSONPOST(String url1, HashMap<String,String> apiParams) throws IOException, JSONException {
URL url = new URL(url1);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setDoInput(true);
conn.setDoOutput(true);
String getParams=getQuery(apiParams);
OutputStream os = conn.getOutputStream();
BufferedWriter writer = new BufferedWriter(
new OutputStreamWriter(os, "UTF-8"));
writer.write(getParams);
writer.flush();
writer.close();
os.close();
conn.connect();
int status = conn.getResponseCode();
switch (status) {
case 200:
case 201:
BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
StringBuilder sb = new StringBuilder();
String line;
while ((line = br.readLine()) != null) {
sb.append(line+"\n");
}
br.close();
System.out.println(sb.toString());
return sb.toString();
}
if (conn != null) {
try {
conn.disconnect();
} catch (Exception ex) {
}
}
return null;
}
private String getQuery(HashMap<String,String> params) throws UnsupportedEncodingException
{
StringBuilder result = new StringBuilder();
boolean first = true;
for(Map.Entry<String, String> entry : params.entrySet()) {
if (first)
first = false;
else
result.append("&");
result.append(URLEncoder.encode(entry.getKey(), "UTF-8"));
result.append("=");
result.append(URLEncoder.encode(entry.getValue(), "UTF-8"));
}
return result.toString();
}
}
公共类CallWebService{
私有静态最终字符串GET=“GET”；
私有静态最终字符串POST=“POST”；
私有HashMap参数；
私有静态字符串Web服务；
public CallWebService（String MethodType、String WebService、HashMap ApipParameters）抛出MethodNotDefinedException{
if（MethodType！=null）{
if（MethodType.equalsIgnoreCase（GET））{
if（WebService！=null）{
this.WebService=WebService；
新建ExecuteAsyncTask（GET.execute（）；
}否则{
抛出新的NullPointerException（“请定义webservice url”）；
}
}else if（MethodType.equalsIgnoreCase（POST））{
if（WebService！=null）{
如果（apipParameters！=null）this.apipParameters=apipParameters；
this.WebService=WebService；
新的ExecuteAsyncTask（POST）.execute（apiParameters）；
}否则{
抛出新的NullPointerException（“请定义webservice url”）；
}
}否则{
抛出新的MethodNotDefinedException（“为webservice定义方法”）；
}
}否则{
抛出新的MethodNotDefinedException（“为webservice定义方法”）；
}
}
私有类ExecuteAsyncTask扩展异步任务{
字符串方法类型；
public ExecuteAsyncTask（字符串方法类型）{
this.MethodType=MethodType；
}
@凌驾
受保护的空位