How to create Simple Login form using php in android? Connect php with android. Coderz. Heaven. Hello all.
I have shown two other examples for creating a connection between android and php. But still users are finding difficulty in grasping it.
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Here is one more post on this which is even more detailed. OK we will start now. First create a fresh project named “Android. PHP”. First we will create a layout for the login form. This xml will do this. Linear. Layout xmlns: android="http: //schemas. Bottom="@dimen/activity_vertical_margin".
Left="@dimen/activity_horizontal_margin". Right="@dimen/activity_horizontal_margin".
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Top="@dimen/activity_vertical_margin". Login. Activity">. Login progress - ->. Progress. Bar. android: id="@+id/login_progress". Bar. Style. Large". Bottom="8dp". android: visibility="gone" />. Scroll. View. android: id="@+id/login_form".
Linear. Layout. android: id="@+id/email_login_form". Text. Input. Layout. Auto. Complete. Text. View. android: id="@+id/email".
Type="text. Email. Address". android: max. Lines="1". android: single. Line="true" />. Text. Input. Layout>.
Text. Input. Layout. Edit. Text. android: id="@+id/password".
Action. Id="@+id/login". Action. Label="@string/action_sign_in_short". Options="action. Unspecified". Type="text. Password". Lines="1". android: single.
Line="true" />. Text. Input. Layout>. Button. android: id="@+id/email_sign_in_button". Appearance. Small".
Top="1. 6dp". android: text="@string/action_sign_in". Style="bold" />. Linear. Layout>. Scroll. View>. < /Linear.
Layout>. Now create another xml named userpage. Android XML File. Copy this code into that.
This is the layout to show in the activity when the user successfully logins. Linear. Layout. xmlns: android="http: //schemas. Login Success.". android: id="@+id/Text. View. 01". android: layout_width="wrap_content". Text. View>. < /Linear. Layout>. Now in the main java file im my case Android.
PHPConnection. Demo. Array. List. import java. List. import org. Http. Response. import org.
Name. Value. Pair. Http. Client. import org. Response. Handler. Url. Encoded. Form. Entity. import org. Http. Post. import org.
Basic. Response. Handler. Default. Http. Client. Basic. Name. Value. Pair. import android. Activity. import android. Alert. Dialog. import android.
Progress. Dialog. Dialog. Interface.
Intent. import android. Bundle. import android. View. import android. View. On. Click. Listener. Button. import android. Edit. Text. import android. Text. View. import android.
Toast. public class Android. PHPConnection. Demo extends Activity {. Edit. Text et,pass.
Http. Post httppost. String. Buffer buffer. Http. Response response. Http. Client httpclient. List< Name. Value.
Pair> name. Value. Pairs. Progress. Dialog dialog = null. Create(Bundle saved. Instance. State) {.
Create(saved. Instance. State). set. Content. View(R. layout. main). Button)find. View. By. Id(R. id. Button. Edit. Text)find. View.
By. Id(R. id. username). Edit. Text)find. View. By. Id(R. id. password). Text. View)find. View. By. Id(R. id. tv).
On. Click. Listener(new On. Click. Listener() {. Click(View v) {. dialog = Progress. Dialog. show(Android. PHPConnection. Demo.
Validating user..", true). Thread(new Runnable() {. Default. Http. Client().
Http. Post("http: //1. Value. Pairs = new Array.
List< Name. Value. Pair> (2). // Always use the same variable name for posting i. Value. Pairs. add(new Basic.
Name. Value. Pair("username",et. Text(). to. String(). Edittext_value = $_POST['Edittext_value']. Value. Pairs. add(new Basic. Name. Value. Pair("password",pass. Text(). to. String().
Entity(new Url. Encoded. Form. Entity(name. Value. Pairs)). //Execute HTTP Post Request. Response. Handler< String> response.
Handler = new Basic. Response. Handler(). String response = httpclient. Handler). System.
Response : " + response). On. Ui. Thread(new Runnable() {.
Text("Response from PHP : " + response). Ignore. Case("User Found")){. On. Ui. Thread(new Runnable() {. Toast. make. Text(Android.
PHPConnection. Demo. Login Success", Toast. LENGTH_SHORT). show(). Activity(new Intent(Android. PHPConnection. Demo. User. Page. class)). Alert(). }catch(Exception e){.
System. out. println("Exception : " + e. Message()). public void show. Alert(){. Android. PHPConnection. Demo. On. Ui. Thread(new Runnable() {.
Alert. Dialog. Builder builder = new Alert. Dialog. Builder(Android. PHPConnection. Demo.
Title("Login Error."). Message("User not Found."). Cancelable(false).
Positive. Button("OK", new Dialog. Interface. On. Click. Listener() {. public void on. Click(Dialog. Interface dialog, int id) {. Alert. Dialog alert = builder. Now create another java class “User.
Page. java”This is simply a navigation page when the user log in. Activity. import android. Bundle. public class User. Page extends Activity {. Create(Bundle saved. Instance. State) {.
Create(saved. Instance. State). set. Content. View(R. layout. userpage). OK Android side is done. Now the server side (PHP). These things you need top remember. Make sure the url you are providing to the android java code is correct.
Make sure your server is running. Make sure your php page has no errors. Also if connecting to a remote URL, you should have internet connection in your emulator or device. Make sure you have a database named mydatabase(in this case) and a table named “tbl_user” and some users inserted in it. This is the creation query of the table tbl_user in the MYSQL database. CREATE TABLE `mydatabase`.`tbl_user` (. INT NOT NULL AUTO_INCREMENT PRIMARY KEY .
VARCHAR( 2. 0 ) NOT NULL . VARCHAR( 2. 0 ) NOT NULL. ENGINE = MYISAM. Check the screenshot.
I an using xampp server. So inside xampp/htdocs folder, i have a folder named “my_folder_inside_htdocs”. Inside this folder I have a php file “check. Copy this code to check. E_USER_ERROR). mysql_select_db($database_localhost, $localhost). POST['username']. POST['password'].
AND password = '".$password. No Such User Found". User Found". Done. Now run your project and sign in with a valid user. NOTE: All NETWORK OPERATIONS SHOULD BE DONE INSIDE A THREAD. Happy Coding. Feel free to ask if you have any doubts. Send your comments to coderzheaven@gmail.
Download the complete source code of this example from here.