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| package com.instropy.androiddexamples.net;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import com.instropy.androiddexamples.net.RestJsonClient;
// implements OnClickListener so we don´t have to create a nested class << #ugly
public class HelloAndroid extends Activity implements OnClickListener {
private static final int SERVER_PORT = 80;
private static final String DEB_TAG = "Json_Android";
private String SERVER_HOST="instropy.com";
public static final String PREFS_NAME = "HelloAndroidPREFS";
private SharedPreferences settings;
private ProgressDialog progress;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
super.onCreate(icicle);
// Restore preferences
settings = getSharedPreferences(PREFS_NAME, 0);
// load up the layout
setContentView(R.layout.main);
// get the button resource in the xml file and assign it to a local variable of type Button
Button login = (Button)findViewById(R.id.login_button);
Log.i(DEB_TAG,"onCreate");
login.setOnClickListener(this);
setUserNameText(settings.getString("Login", ""));
setPasswordText(settings.getString("Password", ""));
}
public void setUserNameText(String $username){
EditText usernameEditText = (EditText) findViewById(R.id.txt_username);
usernameEditText.setText($username);
}
public void setPasswordText(String $username){
EditText passwordEditText = (EditText) findViewById(R.id.txt_password);
passwordEditText.setText($username);
}
/*
* (non-Javadoc)
* @see android.view.View.OnClickListener#onClick(android.view.View)
*/
public void onClick(View v) {
//Handle based on which view was clicked.
Log.i(DEB_TAG+" onClick ","onClick");
// this gets the resources in the xml file
//and assigns it to a local variable of type EditText
EditText usernameEditText = (EditText) findViewById(R.id.txt_username);
EditText passwordEditText = (EditText) findViewById(R.id.txt_password);
// the getText() gets the current value of the text box
// the toString() converts the value to String data type
// then assigns it to a variable of type String
String sUserName = usernameEditText.getText().toString();
String sPassword = passwordEditText.getText().toString();
//call the backend using Get parameters (discouraged but works good for this exampl <img src="http://www.instropy.com/wp-includes/images/smilies/icon_wink.gif" alt=";)" class="wp-smiley"> )
String address = "http://"+SERVER_HOST+":"+SERVER_PORT+"/jbackend.php?action=login&Login="+sUserName+"&Password="+sPassword+"";
if(usernameEditText == null || passwordEditText == null){
// show some warning
}else{
// display the username and the password in string format
try {
showBusyCursor(true);
progress = ProgressDialog.show(this,
"Please wait...", "Login in process", true);
Log.i(DEB_TAG, "Username: " + sUserName + "nPassword: " + sPassword);
Log.i(DEB_TAG, "Requesting to "+address);
JSONObject json = RestJsonClient.connect(address);
} catch (JSONException e) {// L'ERREUR'
// TODO Auto-generated catch block
e.printStackTrace();
showBusyCursor(false);
}//end try
progress.dismiss();
SharedPreferences.Editor editor = settings.edit();
editor.putString("Login", sUserName);
editor.putString("Password", sPassword);
editor.commit();
showBusyCursor(false);
next();
}//end else
}//end OnClick
/*
*
*/
private void showBusyCursor(Boolean $show){
setProgressBarIndeterminateVisibility($show);
}
private void next(){
// you can call another activity by uncommenting the above lines
//Intent myIntent = new Intent( this.getBaseContext() , LoggedActivity.class);
//startActivityForResult(myIntent, 0);
}
} |
problem android JSONException e
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