package com.example.pmb_poligon;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.ArrayList;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.params.ConnManagerParams;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
public class CustomHttpClient {
/** The time it takes for our client to timeout */
public static final int HTTP_TIMEOUT = 30 * 1000; // milliseconds
/** Single instance of our HttpClient */
private static HttpClient mHttpClient;
/**
* Get our single instance of our HttpClient object.
*
* @return an HttpClient object with connection parameters set
*/
private static HttpClient getHttpClient() {
if (mHttpClient == null) {
mHttpClient = new DefaultHttpClient();
final HttpParams params = mHttpClient.getParams();
HttpConnectionParams.setConnectionTimeout(params, HTTP_TIMEOUT);
HttpConnectionParams.setSoTimeout(params, HTTP_TIMEOUT);
ConnManagerParams.setTimeout(params, HTTP_TIMEOUT);
}
return mHttpClient;
}
/**
* Performs an HTTP Post request to the specified url with the
* specified parameters.
*
* @param url The web address to post the request to
* @param postParameters The parameters to send via the request
* @return The result of the request
* @throws Exception
*/
public static String executeHttpPost(String url, ArrayList<NameValuePair> postParameters) throws Exception {
BufferedReader in = null;
try {
HttpClient client = getHttpClient();
HttpPost request = new HttpPost(url);
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(postParameters);
request.setEntity(formEntity);
HttpResponse response = client.execute(request);
in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
String result = sb.toString();
return result;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* Performs an HTTP GET request to the specified url.
*
* @param url The web address to post the request to
* @return The result of the request
* @throws Exception
*/
public static String executeHttpGet(String url) throws Exception {
BufferedReader in = null;
try {
HttpClient client = getHttpClient();
HttpGet request = new HttpGet();
request.setURI(new URI(url));
HttpResponse response = client.execute(request);
in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
String result = sb.toString();
return result;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
2. Login.java
package com.example.pmb_poligon;
import java.util.ArrayList;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import android.os.Build;
import android.os.Bundle;
import android.os.StrictMode;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
@SuppressLint("NewApi")
public class Login extends Activity {
/** Called when the activity is first created. */
EditText username,password;
TextView status;
Button login,daftar;
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
@SuppressLint("NewApi")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
username=(EditText) findViewById(R.id.txtusername);
password=(EditText) findViewById(R.id.txtpassword);
status=(TextView) findViewById (R.id.txtstatus);
login=(Button) findViewById (R.id.btn_login);
daftar=(Button) findViewById (R.id.btn_regis);
daftar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent a=new Intent(getApplicationContext(),Registrasi.class);
startActivity(a);
}
});
login.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
ArrayList<NameValuePair> postParameters = new ArrayList<NameValuePair>();
postParameters.add(new BasicNameValuePair("username", username.getText().toString()));
postParameters.add(new BasicNameValuePair("password", password.getText().toString()));
/* String valid = "1";*/
String response = null;
try {
response = CustomHttpClient.executeHttpPost("http://192.168.100.27/pmb/check.php", postParameters);
String res = response.toString();
res = res.trim();
res = res.replaceAll("\\s+","");
status.setText(res);
if (res.equals("1"))
{
status.setText("");
berhasil(v);
}
else {
status.setText("Maaf!! User Dan Password Salah");
}
}
catch (Exception e) {
status.setText(e.toString());
}
}
});
// penutup buka dari public void onCreate
}
public void daftar (View theButton)
{
Intent d = new Intent (this, Registrasi.class);
startActivity(d);
}
// apabila user berhasil login.
public void berhasil (View theButton)
{
Intent s = new Intent (this, TampilanAwal.class);
startActivity(s);
}
}
3. Login.xml
<ScrollView 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"
android:background="@drawable/bgs"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".Login" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<ImageView android:src="@drawable/logopmb"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:layout_marginRight="2dp"
android:layout_marginBottom="20dp"
android:layout_marginTop="10dp"/>
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Username" />
<EditText
android:id="@+id/txtusername"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="username"
android:layout_marginBottom="30dp"
android:ems="10" >
<requestFocus />
</EditText>
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Password" />
<EditText
android:id="@+id/txtpassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="password"
android:inputType="textPassword"
android:layout_marginBottom="30dp"
android:ems="10" />
<Button
android:id="@+id/btn_login"
android:layout_width="200dp"
android:layout_height="50dp"
android:layout_gravity="center"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:background="@drawable/tombol"
android:layout_marginBottom="10dp"
android:text="Login"
android:textColor="#00cccc"
android:textSize="20dp"
android:textStyle="bold"
android:ems="10"
/>
<Button
android:id="@+id/btn_regis"
android:layout_width="200dp"
android:layout_height="50dp"
android:layout_gravity="center"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:background="@drawable/tombol"
android:layout_marginBottom="10dp"
android:text="Registrasi"
android:textColor="#00cccc"
android:textSize="20dp"
android:textStyle="bold"
android:ems="10"
/>
<TextView
android:id="@+id/txtstatus"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="" />
</LinearLayout>
</ScrollView>
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