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Think you have it bad at your job? Or maybe you think your parents are too tough on you? Think again.
package com.exercise.AndroidBluetooth;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
public class AndroidBluetooth extends Activity {
private static final int REQUEST_ENABLE_BT = 1;
private static final int REQUEST_Turn_On_Discoverable = 3;
Spinner spnDiscoverableDuration;
Button btnTurnOnDiscoverable;
TextView stateBluetooth;
BluetoothAdapter bluetoothAdapter;
String[] optDiscoverableDur = {"10 sec", "60 sec", "120 sec", "240 sec", "300 sec"};
int[] valueDiscoverableDur = {10, 60, 120, 240, 300};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
spnDiscoverableDuration = (Spinner)findViewById(R.id.discoverableduration);
btnTurnOnDiscoverable = (Button)findViewById(R.id.turnondiscoverable);
stateBluetooth = (TextView)findViewById(R.id.bluetoothstate);
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
CheckBlueToothState();
btnTurnOnDiscoverable.setOnClickListener(btnTurnOnDiscoverableOnClickListener);
ArrayAdapter<String> adapterDiscoverableDur = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, optDiscoverableDur);
adapterDiscoverableDur.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spnDiscoverableDuration.setAdapter(adapterDiscoverableDur);
registerReceiver(ScanModeChangedReceiver,
new IntentFilter(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED));
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
unregisterReceiver(ScanModeChangedReceiver);
}
private void CheckBlueToothState(){
if (bluetoothAdapter == null){
stateBluetooth.setText("Bluetooth NOT support");
}else{
if (bluetoothAdapter.isEnabled()){
if(bluetoothAdapter.isDiscovering()){
stateBluetooth.setText("Bluetooth is currently in device discovery process.");
}else{
stateBluetooth.setText("Bluetooth is Enabled.");
btnTurnOnDiscoverable.setEnabled(true);
}
}else{
stateBluetooth.setText("Bluetooth is NOT Enabled!");
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
}
}
}
private Button.OnClickListener btnTurnOnDiscoverableOnClickListener
= new Button.OnClickListener(){
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent discoverableIntent
= new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
int dur = valueDiscoverableDur[(int)spnDiscoverableDuration.getSelectedItemId()];
discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, dur);
startActivityForResult(discoverableIntent, REQUEST_Turn_On_Discoverable);
}};
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
if(requestCode == REQUEST_ENABLE_BT){
CheckBlueToothState();
}if (requestCode == REQUEST_Turn_On_Discoverable){
if(resultCode == RESULT_OK){
}else if (resultCode == RESULT_CANCELED){
Toast.makeText(AndroidBluetooth.this,
"User Canceled",
Toast.LENGTH_LONG).show();
}
}
}
private final BroadcastReceiver ScanModeChangedReceiver = new BroadcastReceiver(){
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
String action = intent.getAction();
if(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED.equals(action)) {
int mode = intent.getIntExtra(BluetoothAdapter.EXTRA_SCAN_MODE,
BluetoothAdapter.ERROR);
String strMode = "";
switch(mode){
case BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE:
strMode = "mode changed: SCAN_MODE_CONNECTABLE_DISCOVERABLE";
break;
case BluetoothAdapter.SCAN_MODE_CONNECTABLE:
strMode = "mode changed: SCAN_MODE_CONNECTABLE";
break;
case BluetoothAdapter.SCAN_MODE_NONE:
strMode = "mode changed: SCAN_MODE_NONE";
break;
}
Toast.makeText(AndroidBluetooth.this,
strMode, Toast.LENGTH_LONG).show();
}
}};
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<TextView
android:id="@+id/bluetoothstate"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:id="@+id/bluetoothstate"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Set Discoverable Duration"
/>
<Spinner
android:id="@+id/discoverableduration"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<Button
android:id="@+id/turnondiscoverable"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Turn on Discoverable"
android:enabled="false"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.exercise.AndroidBluetooth"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="7" />
<uses-permission android:name="android.permission.BLUETOOTH"></uses-permission>
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".AndroidBluetooth"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Download the files.
Acer Aspire 5738 Notebook PC Features :
Video
Audio
package com.exercise.AndroidBluetooth;
import java.util.Set;
import android.app.ListActivity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothClass;
import android.bluetooth.BluetoothDevice;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class ListPairedDevicesActivity extends ListActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
ArrayAdapter<String> btArrayAdapter
= new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1);
BluetoothAdapter bluetoothAdapter
= BluetoothAdapter.getDefaultAdapter();
Set<BluetoothDevice> pairedDevices
= bluetoothAdapter.getBondedDevices();
if (pairedDevices.size() > 0) {
for (BluetoothDevice device : pairedDevices) {
String deviceBTName = device.getName();
String deviceBTMajorClass
= getBTMajorDeviceClass(device
.getBluetoothClass()
.getMajorDeviceClass());
btArrayAdapter.add(deviceBTName + "\n"
+ deviceBTMajorClass);
}
}
setListAdapter(btArrayAdapter);
}
private String getBTMajorDeviceClass(int major){
switch(major){
case BluetoothClass.Device.Major.AUDIO_VIDEO:
return "AUDIO_VIDEO";
case BluetoothClass.Device.Major.COMPUTER:
return "COMPUTER";
case BluetoothClass.Device.Major.HEALTH:
return "HEALTH";
case BluetoothClass.Device.Major.IMAGING:
return "IMAGING";
case BluetoothClass.Device.Major.MISC:
return "MISC";
case BluetoothClass.Device.Major.NETWORKING:
return "NETWORKING";
case BluetoothClass.Device.Major.PERIPHERAL:
return "PERIPHERAL";
case BluetoothClass.Device.Major.PHONE:
return "PHONE";
case BluetoothClass.Device.Major.TOY:
return "TOY";
case BluetoothClass.Device.Major.UNCATEGORIZED:
return "UNCATEGORIZED";
case BluetoothClass.Device.Major.WEARABLE:
return "AUDIO_VIDEO";
default: return "unknown!";
}
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
// TODO Auto-generated method stub
super.onListItemClick(l, v, position, id);
Intent intent = new Intent();
setResult(RESULT_OK, intent);
finish();
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<TextView
android:id="@+id/bluetoothstate"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<Button
android:id="@+id/listpaireddevices"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="List Paired Devices"
android:enabled="false"
/>
<TextView
android:id="@+id/bluetoothstate"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
</LinearLayout>
package com.exercise.AndroidBluetooth;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class AndroidBluetooth extends Activity {
private static final int REQUEST_ENABLE_BT = 1;
private static final int REQUEST_PAIRED_DEVICE = 2;
/** Called when the activity is first created. */
Button btnListPairedDevices;
TextView stateBluetooth;
BluetoothAdapter bluetoothAdapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btnListPairedDevices = (Button)findViewById(R.id.listpaireddevices);
stateBluetooth = (TextView)findViewById(R.id.bluetoothstate);
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
CheckBlueToothState();
btnListPairedDevices.setOnClickListener(btnListPairedDevicesOnClickListener);
}
private void CheckBlueToothState(){
if (bluetoothAdapter == null){
stateBluetooth.setText("Bluetooth NOT support");
}else{
if (bluetoothAdapter.isEnabled()){
if(bluetoothAdapter.isDiscovering()){
stateBluetooth.setText("Bluetooth is currently in device discovery process.");
}else{
stateBluetooth.setText("Bluetooth is Enabled.");
btnListPairedDevices.setEnabled(true);
}
}else{
stateBluetooth.setText("Bluetooth is NOT Enabled!");
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
}
}
}
private Button.OnClickListener btnListPairedDevicesOnClickListener
= new Button.OnClickListener(){
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent intent = new Intent();
intent.setClass(AndroidBluetooth.this, ListPairedDevicesActivity.class);
startActivityForResult(intent, REQUEST_PAIRED_DEVICE);
}};
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
if(requestCode == REQUEST_ENABLE_BT){
CheckBlueToothState();
}if (requestCode == REQUEST_PAIRED_DEVICE){
if(resultCode == RESULT_OK){
}
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.exercise.AndroidBluetooth"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="7" />
<uses-permission android:name="android.permission.BLUETOOTH"></uses-permission>
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".AndroidBluetooth"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".ListPairedDevicesActivity"
android:label="AndroidBluetooth: List of Paired Devices"/>
</application>
</manifest>