Buat activity_update.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView
android:id="@+id/textViewUsername"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textStyle="bold"
android:text="Username" />
</LinearLayout>
<TextView
android:id="@+id/textViewNewPassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Password" />
<EditText
android:id="@+id/editTextPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPassword" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="10dp" >
<Button
android:id="@+id/buttonUpdate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="UPDATE" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="1" >
</LinearLayout>
</LinearLayout>
</LinearLayout>
Buat updateUser.php
<?php
$username = $_GET['username'];
$password = $_GET['password'];
include "connect_db.php";
$query = "update tbuser set password = '$password' where username ='".$username."' ";
$result = mysql_query($query, $link) or die('Error query: '.$query);
echo $result;
?>
Buat UpdateActivity.java
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.params.HttpClientParams;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONObject;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.text.Html;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
public class UpdateActivity extends Activity implements OnItemClickListener{
private final String urlDisplay = "http://10.0.2.2/contoh/getUser.php"; //koneksi database ke localhost
private UserAdapter adapter;
private ListView listUser;
private static UpdateActivity instance;
public User selectedUser;
public static UpdateActivity getInstance(){
if(instance == null){
instance = new UpdateActivity();
}
return instance;
}
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_display);
adapter = new UserAdapter(this, R.id.textView1);
loadDataUser();
listUser = (ListView) findViewById(R.id.listViewUser);
listUser.setAdapter(adapter);
listUser.setOnItemClickListener(this);
}
private void loadDataUser(){
try { String jsonString = DisplayActivity.getRequestFromServer(urlDisplay);
JSONObject jObject = new JSONObject(jsonString);
JSONArray newsJsonArray = jObject.getJSONArray("user");
for (int i = 0; i < newsJsonArray.length(); i++) {
User user = new User(newsJsonArray.getJSONObject(i));
adapter.add(user);
}
adapter.notifyDataSetChanged();
} catch (Exception e) {
e.printStackTrace();
}
}
class UserAdapter extends ArrayAdapter<User>{
public UserAdapter(Context context, int resource) {
super(context, resource);
}
public View getView(int position, View convertView, ViewGroup parent) {
if(convertView==null){
convertView = ((LayoutInflater)getSystemService(Activity.LAYOUT_INFLATER_SERVICE)).inflate(R.layout.activity_adapter, parent,false);
}
TextView usernameUser = (TextView) convertView.findViewById(R.id.textViewUsername);
TextView passwordUser = (TextView) convertView.findViewById(R.id.textViewPassword);
User entityUser = getItem(position);
usernameUser.setText(entityUser.username);
passwordUser.setText(entityUser.password);
return convertView;
}
}
public void onItemClick(AdapterView<?> adapterV, View view, int position, long id) {
UpdateActivity.getInstance().selectedUser = adapter.getItem(position);
startActivity(new Intent(this, DetailUpdateActivity.class));
finish();
}
public static String getRequestFromServer(String url){
try {
Class<?> strictModeClass = Class.forName("android.os.StrictMode", true, Thread.currentThread()
.getContextClassLoader());
Class<?> threadPolicyClass = Class.forName("android.os.StrictMode$ThreadPolicy", true, Thread
.currentThread().getContextClassLoader());
Class<?> threadPolicyBuilderClass = Class.forName("android.os.StrictMode$ThreadPolicy$Builder", true,
Thread.currentThread().getContextClassLoader());
Method setThreadPolicyMethod = strictModeClass.getMethod("setThreadPolicy", threadPolicyClass);
Method detectAllMethod = threadPolicyBuilderClass.getMethod("detectAll");
Method penaltyMethod = threadPolicyBuilderClass.getMethod("penaltyLog");
Method buildMethod = threadPolicyBuilderClass.getMethod("build");
Constructor<?> threadPolicyBuilderConstructor = threadPolicyBuilderClass.getConstructor();
Object threadPolicyBuilderObject = threadPolicyBuilderConstructor.newInstance();
Object obj = detectAllMethod.invoke(threadPolicyBuilderObject);
obj = penaltyMethod.invoke(obj);
Object threadPolicyObject = buildMethod.invoke(obj);
setThreadPolicyMethod.invoke(strictModeClass, threadPolicyObject);
} catch (Exception ex) {
Log.w("Thread Policy", ex);
}
String result = "Succeed";
HttpClient client = new DefaultHttpClient();
HttpClientParams.setRedirecting(client.getParams(), true);
HttpGet request = new HttpGet(url);
try{
HttpResponse response = client.execute(request);
InputStream in = response.getEntity().getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
StringBuilder str = new StringBuilder();
String line = null;
int lineCount = 0;
while((line = reader.readLine()) != null){
if(lineCount>0) str.append("\n");
str.append(line);
}
in.close();
result = str.toString();
Log.w("get Request", "asli : "+result);
if(result.indexOf("<") > 0){
result = result.substring(0, result.indexOf("<"));
}
Log.w("get Request", "proses : "+Html.fromHtml(result));
return Html.fromHtml(result).toString();
}catch(Exception ex){
ex.printStackTrace();
result = "Error";
}
return result;
}
}
Buat DetailUpdateActivity.java
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.params.HttpClientParams;
import org.apache.http.impl.client.DefaultHttpClient;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.Html;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class DetailUpdateActivity extends Activity implements OnClickListener{
Button buttonUpdate;
private EditText editPassword;
private final String urlUpdate = "http://10.0.2.2/contoh/updateUser.php";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_update);
TextView usernameUser = (TextView) findViewById(R.id.textViewUsername);
usernameUser.setText(UpdateActivity.getInstance().selectedUser.username);
TextView newPasswordUser = (TextView) findViewById(R.id.textViewNewPassword);
buttonUpdate = (Button) findViewById(R.id.buttonUpdate);
buttonUpdate.setOnClickListener(this);
editPassword = (EditText) findViewById(R.id.editTextPassword);
}
public void onClick(View view) {
if(view.equals(buttonUpdate)){
try { String url = DetailUpdateActivity.getRequestFromServer(urlUpdate+"?username="+UpdateActivity.getInstance().selectedUser.username+
"&password="+editPassword.getText().toString());
Toast.makeText(this, url, Toast.LENGTH_LONG).show();
} catch (Exception e) {
Toast.makeText(this, "Error: "+ e.getMessage(), Toast.LENGTH_LONG).show();
}
}
startActivity(new Intent(this, UpdateActivity.class));
finish();
}
public static String getRequestFromServer(String url){
try {
Class<?> strictModeClass = Class.forName("android.os.StrictMode", true, Thread.currentThread()
.getContextClassLoader());
Class<?> threadPolicyClass = Class.forName("android.os.StrictMode$ThreadPolicy", true, Thread
.currentThread().getContextClassLoader());
Class<?> threadPolicyBuilderClass = Class.forName("android.os.StrictMode$ThreadPolicy$Builder", true,
Thread.currentThread().getContextClassLoader());
Method setThreadPolicyMethod = strictModeClass.getMethod("setThreadPolicy", threadPolicyClass);
Method detectAllMethod = threadPolicyBuilderClass.getMethod("detectAll");
Method penaltyMethod = threadPolicyBuilderClass.getMethod("penaltyLog");
Method buildMethod = threadPolicyBuilderClass.getMethod("build");
Constructor<?> threadPolicyBuilderConstructor = threadPolicyBuilderClass.getConstructor();
Object threadPolicyBuilderObject = threadPolicyBuilderConstructor.newInstance();
Object obj = detectAllMethod.invoke(threadPolicyBuilderObject);
obj = penaltyMethod.invoke(obj);
Object threadPolicyObject = buildMethod.invoke(obj);
setThreadPolicyMethod.invoke(strictModeClass, threadPolicyObject);
} catch (Exception ex) {
Log.w("Thread Policy", ex);
}
String result = "Succeed";
HttpClient client = new DefaultHttpClient();
HttpClientParams.setRedirecting(client.getParams(), true);
HttpGet request = new HttpGet(url);
try{
HttpResponse response = client.execute(request);
InputStream in = response.getEntity().getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
StringBuilder str = new StringBuilder();
String line = null;
int lineCount = 0;
while((line = reader.readLine()) != null){
if(lineCount>0) str.append("\n");
str.append(line);
}
in.close();
result = str.toString();
Log.w("get Request", "asli : "+result);
if(result.indexOf("<") > 0){
result = result.substring(0, result.indexOf("<"));
}
Log.w("get Request", "proses : "+Html.fromHtml(result));
return Html.fromHtml(result).toString();
}catch(Exception ex){
ex.printStackTrace();
result = "Error";
}
return result;
}
}
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