<uses-permission android:name="android.permission.BLUETOOTH"/> <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/> <uses-permission android:name="android.permission.BLUETOOTH_PRIVILEGED"/> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/> <uses-permission android:name="android.permission.VIBRATE"/> <uses-permission android:name="android.permission.CAMERA" />activity_main.xml dosyasında aşağıdaki tasarımı uygulayabilirsiniz;
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/zemin_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.okul.bluengin7.MainActivity">
<TextView
android:id="@+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="68dp"
android:orientation="horizontal"
android:id="@+id/linearLayout2"
android:layout_below="@+id/text"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
<Button
android:id="@+id/turnOn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/on" />
<Button
android:id="@+id/turnOff"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/off" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:id="@+id/linearLayout"
android:layout_below="@+id/linearLayout2"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
<Button
android:id="@+id/paired"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/List" />
<Button
android:id="@+id/search"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/Find" />
</LinearLayout>
<ListView
android:id="@+id/listView1"
android:layout_width="fill_parent"
android:layout_height="200dp"
android:layout_below="@+id/linearLayout"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
</ListView>
</RelativeLayout>
MainActivity.java dosyasının içeriği;package com.example.okul.bluengin7;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.hardware.Camera;
import android.hardware.Camera.Parameters;
import android.os.Handler;
import android.os.SystemClock;
import android.os.Vibrator;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import java.util.Random;
import java.util.Set;
import java.util.Timer;
import java.util.TimerTask;
import android.content.Intent;
import android.content.IntentFilter;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private static final int REQUEST_ENABLE_BT = 1;
static int sayac=0;
static int sayac2=0;
private static final String ARANAN_CIHAZ="A4:C1:38:77:18:A0";//"98:D3:31:FD:52:66";
private static final String ARANAN_ID="JDY-10";
private Boolean cihaz_durum=false;
private Button onBtn;
private Button offBtn;
private Button listBtn;
private Button findBtn;
private TextView text;
private BluetoothAdapter benimbluetoothadaptorum;
private Set<BluetoothDevice> eslesencihazlar;
private ListView myListView;
private ArrayAdapter<String> BTArrayAdapter;
private RelativeLayout zemin_layout;
int sira;
Random rnd = new Random();
private Camera camera;
private boolean flashAcik;
private boolean flashVarmı;
Camera.Parameters params;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// bluetooth desteği kontrolü
benimbluetoothadaptorum = BluetoothAdapter.getDefaultAdapter();
if(benimbluetoothadaptorum == null) {
onBtn.setEnabled(false);
offBtn.setEnabled(false);
listBtn.setEnabled(false);
findBtn.setEnabled(false);
text.setText("Durum: Desteklenmez");
Toast.makeText(getApplicationContext(),"Cihazınız Bluetooth'u desteklemiyor.",
Toast.LENGTH_LONG).show();
} else {
text = (TextView) findViewById(R.id.text);
zemin_layout = (RelativeLayout) findViewById(R.id.zemin_layout);
onBtn = (Button)findViewById(R.id.turnOn);
onBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Bacik(v);
}
});
offBtn = (Button)findViewById(R.id.turnOff);
offBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Bkapali(v);
}
});
listBtn = (Button)findViewById(R.id.paired);
listBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Eslesenleribul(v);
}
});
findBtn = (Button)findViewById(R.id.search);
findBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
yenicihazbul(v);
}
});
myListView = (ListView)findViewById(R.id.listView1);
// create the arrayAdapter that contains the BTDevices, and set it to the ListView
BTArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
myListView.setAdapter(BTArrayAdapter);
}
this.mHandler = new Handler();
this.mHandler.postDelayed(m_Runnable,3000);//zamanlama
}
//bluetooth aç
public void Bacik(View view){
if (!benimbluetoothadaptorum.isEnabled()) {
Intent turnOnIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(turnOnIntent, REQUEST_ENABLE_BT);
Toast.makeText(getApplicationContext(),"Bluetooth Açıldı." ,
Toast.LENGTH_LONG).show();
}
else{
Toast.makeText(getApplicationContext(),"Bluetooth Zaten Açık.",
Toast.LENGTH_LONG).show();
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
if(requestCode == REQUEST_ENABLE_BT){
if(benimbluetoothadaptorum.isEnabled()) {
text.setText("Durum: Açık");
} else {
text.setText("Durum: Kapalı");
}
}
}
public void Eslesenleribul(View view){
// izin verilmiş bluetoothcihazlar
eslesencihazlar = benimbluetoothadaptorum.getBondedDevices();
// Eşlesenleri listeye aktar
for(BluetoothDevice device : eslesencihazlar)
BTArrayAdapter.add(device.getName()+ "\n" + device.getAddress());
Toast.makeText(getApplicationContext(),"Tanımlı Cihazlar",
Toast.LENGTH_SHORT).show();
}
//etrafta eşleşen cihaz arama
final BroadcastReceiver Bbulunan = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
// When discovery finds a device
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
// Get the BluetoothDevice object from the Intent
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);//EXTRA_DEVICE
// add the name and the MAC address of the object to the arrayAdapter
BTArrayAdapter.add(device.getName() + "\n" + device.getAddress());
BTArrayAdapter.notifyDataSetChanged();
//if(ARANAN_CIHAZ.equals(device.getAddress())){
if(ARANAN_ID.equals(device.getName())){
cihaz_durum=true;
zemin_layout.setBackgroundColor(Color.LTGRAY);
Toast.makeText(getApplicationContext(),"Aranan Cihaz Bulundu.",
Toast.LENGTH_LONG).show();
text.setTextColor(Color.BLUE);
text.setText("("+device.getName()+") Cihaz Aktif.Babaanneden sinyal alınmaktadır.");
}
}
}
};
public void yenicihazbul(View view) {
if (benimbluetoothadaptorum.isDiscovering()) {
// bluetooth cihaz taramayı durdur.
benimbluetoothadaptorum.cancelDiscovery();
Toast.makeText(getApplicationContext(),"Cihaz Tanıma Pasif",
Toast.LENGTH_LONG).show();
findBtn.setText("YENİ CİHAZ ARA");
}
else {//bluetooth cihaz taramayı aktifleştir.
BTArrayAdapter.clear();
benimbluetoothadaptorum.startDiscovery();
Toast.makeText(getApplicationContext(),"Cihaz Tanıma Aktif",
Toast.LENGTH_LONG).show();
findBtn.setText("VAZGEÇ");
registerReceiver(Bbulunan, new IntentFilter(BluetoothDevice.ACTION_FOUND));
}
}
public void Bkapali(View view){ //bluetooth kapalı
benimbluetoothadaptorum.disable();
text.setText("Durum: Bağlantı Kesildi.");
Toast.makeText(getApplicationContext(),"Bluetooth Kapalı.",
Toast.LENGTH_LONG).show();
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
unregisterReceiver(Bbulunan);
}
//zamanlama
private Handler mHandler;
private final Runnable m_Runnable = new Runnable() {
public void run()
{
yenicihazbul2();
sayac=0;
SystemClock.sleep(5000);
cihazDurum();
MainActivity.this.mHandler.postDelayed(m_Runnable, 10000);
}
};
public void yenicihazbul2() {
if (benimbluetoothadaptorum.isDiscovering()) {
// the button is pressed when it discovers, so cancel the discovery
benimbluetoothadaptorum.cancelDiscovery();
//Toast.makeText(getApplicationContext(),"Cihaz Tanıma Pasif",
//Toast.LENGTH_LONG).show();
findBtn.setText("YENİ CİHAZ ARA");
}
else {
BTArrayAdapter.clear();
benimbluetoothadaptorum.startDiscovery();
//Toast.makeText(getApplicationContext(),"Cihaz Tanıma Aktif",
// Toast.LENGTH_LONG).show();
findBtn.setText("VAZGEÇ");
registerReceiver(Bbulunan, new IntentFilter(BluetoothDevice.ACTION_FOUND));
}
}
public void cihazDurum(){
if(cihaz_durum){
cihaz_durum = false;
}else{
//RenkSirala();
//if (sayac2==0){
// sayac2++;
//}else {
text.setTextColor(Color.RED);
text.setText("Cihaz Bağlantısı Yok.Babaanneden sinyal Alınamıyor. Dikkat. Dikkat.");
//Toast.makeText(getApplicationContext(), "Babaannem Kayıp. Sinyal Alınamıyor.",
//Toast.LENGTH_LONG).show();
zemin_layout.setBackgroundColor(Color.YELLOW);
titret_zmanla();
//sayac2++;
}
}
//titreşim planlama
public void titret_zmanla(){
final Handler handler = new Handler();
final Timer timer = new Timer();
TimerTask doAsynchronousTask = new TimerTask() {
@Override
public void run() {
handler.post(new Runnable() {
public void run() {
Vibrator vib = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
vib.vibrate(300);
if(cihaz_durum== false) {
RenkSirala();
}
sayac++;
if(sayac==5)
timer.cancel();
}
});
}
};
timer.schedule(doAsynchronousTask,10,1000);
}
//zemin rengi değiş
public void RenkSirala(){
sira = rnd.nextInt(3)+1;
if(sira == 1)
zemin_layout.setBackgroundColor(Color.CYAN);
if(sira == 2)
zemin_layout.setBackgroundColor(Color.GREEN);
if(sira == 3)
zemin_layout.setBackgroundColor(Color.YELLOW);
cameraAc();
flashAc();
flashKapat();
}
//kamera kontrol flash aç/kapa
private void cameraAc() {
if (camera == null) {
camera = Camera.open();
params = camera.getParameters();
}
}
private void flashAc() {
if (!flashAcik) {
if (camera == null || params == null) {
return;
}
params = camera.getParameters();
params.setFlashMode(Parameters.FLASH_MODE_TORCH);
camera.setParameters(params);
camera.startPreview();
flashAcik = true;
}
}
private void flashKapat() {
if (flashAcik) {
if (camera == null || params == null) {
return;
}
params = camera.getParameters();
params.setFlashMode(Parameters.FLASH_MODE_OFF);
camera.setParameters(params);
camera.stopPreview();
flashAcik = false;
}
}
}
Kodun tamamı: https://github.com/irtengunica/bluengin7
