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View Complete Record from ListView - Android database SQLite (p5)

This tutorial is a continuation of tutorial on Populate Records in ListView

This exercise will invoke another screen to display complete information of the selected staff from the ListView.

screen offline db display all data

Code is here - http://khirulnizam.com/android/FSTMDirektori.zip

STEP 1: Add a new screen (to display complete info of staff).

Right-click the project, New –> Other…

right click package and create new class

new screen select Android ctivity

new blank activity

Type ViewRecord for the Activity name, and hit Finish.

new activity view-record

 

STEP 2: Design the layout of ViewRecord screen.

screen offline db display all data

The XML layout (open the one in layout forlder)

layout design for ViewRecord

The XML code

<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:background="#B58897"
tools:context=".ViewRecord" >

<TableLayout
android:id="@+id/tableLayout1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true" >

<TableRow
android:id="@+id/tableRow1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/textView1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Fullname"
android:textAppearance="?android:attr/textAppearanceMedium" />

<EditText
android:id="@+id/txtnama"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10" >

<requestFocus />
</EditText>
</TableRow>

<TableRow
android:id="@+id/tableRow2"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/textView2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Department"
android:textAppearance="?android:attr/textAppearanceMedium" />

<EditText
android:id="@+id/txtjbt"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10" />
</TableRow>

<TableRow
android:id="@+id/tableRow3"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/textView3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Phone"
android:textAppearance="?android:attr/textAppearanceMedium" />

<EditText
android:id="@+id/txttelefon"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="phone" />
</TableRow>

<TableRow
android:id="@+id/tableRow4"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/textView4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Email"
android:textAppearance="?android:attr/textAppearanceMedium" />

<EditText
android:id="@+id/txtemel"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="textEmailAddress" />
</TableRow>

<TableRow
android:id="@+id/tableRow5"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >

<ImageButton
android:id="@+id/btncall"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/ic_call_black_24dp" />

<ImageButton
android:id="@+id/btnemail"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/ic_email_black_24dp" />
</TableRow>

</TableLayout>

</RelativeLayout>


 


STEP 3: Add the setOnItemClickListener on the ListView. This need to be added in the DisplayList.java


add setOnItemClickListener


DisplayList.java


package net.kerul.fstmdirektori;

import java.util.ArrayList;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
import android.widget.Toast;

public class DisplayList extends Activity {

private DBHelper mHelper;
private SQLiteDatabase dataBase;

//variables to hold staff records
private ArrayList<String> stafid = new ArrayList<String>();
private ArrayList<String> nama = new ArrayList<String>();
private ArrayList<String> jbt = new ArrayList<String>();

private ListView userList;
private AlertDialog.Builder build;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_display_list);

userList = (ListView) findViewById(R.id.List);

mHelper = new DBHelper(this);

//click to update data
userList.setOnItemClickListener(new OnItemClickListener() {

public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {

Intent i = new Intent(getApplicationContext(),
ViewRecord.class);
i.putExtra("stafid", stafid.get(arg2));
startActivity(i);

}
});


}

@Override
protected void onResume() {
//refresh data for screen is invoked/displayed
displayData();
super.onResume();
}

/**
* displays data from SQLite
*/
private void displayData() {
dataBase = mHelper.getWritableDatabase();
//the SQL command to fetched all records from the table
Cursor mCursor = dataBase.rawQuery("SELECT * FROM "
+ DBHelper.TABLE_NAME, null);

//reset variables
stafid.clear();
nama.clear();
jbt.clear();

//fetch each record
if (mCursor.moveToFirst()) {
do {
//get data from field
stafid.add(mCursor.getString(mCursor.getColumnIndex(DBHelper.STAFID)));
nama.add(mCursor.getString(mCursor.getColumnIndex(DBHelper.NAMA)));
jbt.add(mCursor.getString(mCursor.getColumnIndex(DBHelper.JBT)));

} while (mCursor.moveToNext());
//do above till data exhausted
}

//display to screen
DisplayAdapter disadpt = new DisplayAdapter(DisplayList.this, stafid, nama, jbt);
userList.setAdapter(disadpt);
mCursor.close();
}//end displayData




@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.display_list, menu);
return true;
}

}


 


STEP 4: The code for the second screen (View Record)


code for ViewRecord make callcode for ViewRecord send emailcode for ViewRecord display data from database table


ViewRecord.java


package net.kerul.fstmdirektori;

import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;

public class ViewRecord extends Activity {
private EditText txtnama, txtjbt, txttelefon, txtemel;
private ImageButton btncall, btnemail;
private DBHelper mHelper;
private SQLiteDatabase dataBase;
String id, telno,email,name;//to hold the data strings

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view_record);

//capture sent parameter from previous screen
id=getIntent().getExtras().getString("stafid");

//initiate all textbox container to hold the data for the staff
txtnama=(EditText)findViewById(R.id.txtnama);
txtjbt=(EditText)findViewById(R.id.txtjbt);
txttelefon=(EditText)findViewById(R.id.txttelefon);
txtemel=(EditText)findViewById(R.id.txtemel);

//handling the call
//be sure to add <uses-permission android:name="android.permission.CALL_PHONE" /> in manifest
btncall=(ImageButton)findViewById(R.id.btncall);
btncall.setOnClickListener( new OnClickListener(){
public void onClick(View v){
Intent intent = new Intent(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:"+telno ));//provide the phone number
startActivity(intent);//call
}
});//end btncall setOnCLickCListener

//handling the email button
btnemail=(ImageButton)findViewById(R.id.btnemail);
btnemail.setOnClickListener( new OnClickListener(){
public void onClick(View v){
Intent emailIntent = new Intent(Intent.ACTION_SENDTO, Uri.fromParts("mailto",email, null));
emailIntent.putExtra(Intent.EXTRA_SUBJECT, "A query about FSTM");//title
emailIntent.putExtra(Intent.EXTRA_TEXT, "Salaam, "+name);//message body
startActivity(Intent.createChooser(emailIntent, "Send email..."));//invoke email client chooser
}
});//end btnemail setOnCLickCListener
}

@Override
protected void onResume() {
//refresh data for screen is invoked/displayed
displayData();
super.onResume();
}

//display single record of data from stafid
private void displayData() {
mHelper=new DBHelper(this);
dataBase = mHelper.getWritableDatabase();
//the SQL command to fetched all records from the table
String sql="SELECT * FROM "
+ DBHelper.TABLE_NAME +" WHERE stafid='"+id+"';";
Cursor mCursor = dataBase.rawQuery(sql, null);

//fetch the record
if (mCursor.moveToFirst()) {
//fetch each field and transfer to textbox
telno=mCursor.getString(mCursor.getColumnIndex(DBHelper.TELEFON));
email=mCursor.getString(mCursor.getColumnIndex(DBHelper.EMEL));
name=mCursor.getString(mCursor.getColumnIndex(DBHelper.NAMA));
//get data from field and transfer to EditText
txtnama.setText(name);
txtjbt.setText(mCursor.getString(mCursor.getColumnIndex(DBHelper.JBT)));
txttelefon.setText(telno);
txtemel.setText(email);

}
else{
//do something here if no record fetched from database
txtnama.setText(sql);
}
}//end displayData

}


Add additional uses-permission in AndroidManifest.xml to allow call from your app.


uses-permission call AndroidManifest


<uses-permission android:name="android.permission.CALL_PHONE" />


Now you may compile and run the app…


Code is here - http://khirulnizam.com/android/FSTMDirektori.zip

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