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POHow to set an alarm in android java
 

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  1. POHow to set an alarm in android java
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    <p>I know this question has asked before, but I am really surprised, after trying so hard. I have not enabled to work alarm on android emulator. I have tried all codes of this forum but in vain. Even I download a sample code still it did not work. please help me guys I am sending you my all code. Can anyone tell me "do alarm bell rings on android emulator"? If yes then what is problem in my code? I tested same code for API level 4 and 10. Both did not work. Even I create 2 different projects but in vain.</p> <p><em>AndroidAlarmService:</em> </p> <pre><code>package com.exercise.AndroidAlarmService; import java.util.Calendar; import android.app.Activity; import android.app.AlarmManager; import android.app.PendingIntent; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.Toast; public class AndroidAlarmService extends Activity { private PendingIntent pendingIntent; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button buttonStart = (Button)findViewById(R.id.startalarm); Button buttonCancel = (Button)findViewById(R.id.cancelalarm); buttonStart.setOnClickListener(new Button.OnClickListener(){ public void onClick(View arg0) { // TODO Auto-generated method stub Intent myIntent = new Intent(AndroidAlarmService.this, MyAlarmService.class); pendingIntent = PendingIntent.getService(AndroidAlarmService.this, 0, myIntent, 0); AlarmManager alarmManager = (AlarmManager)getSystemService(ALARM_SERVICE); Calendar calendar = Calendar.getInstance(); calendar.setTimeInMillis(System.currentTimeMillis()); calendar.add(Calendar.SECOND, 10); alarmManager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent); Toast.makeText(AndroidAlarmService.this, "Start Alarm", Toast.LENGTH_LONG).show(); }}); buttonCancel.setOnClickListener(new Button.OnClickListener(){ public void onClick(View arg0) { // TODO Auto-generated method stub AlarmManager alarmManager = (AlarmManager)getSystemService(ALARM_SERVICE); alarmManager.cancel(pendingIntent); // Tell the user about what we did. Toast.makeText(AndroidAlarmService.this, "Cancel!", Toast.LENGTH_LONG).show(); }}); } } </code></pre> <p><em>MyAlarmService:</em></p> <pre><code> package com.exercise.AndroidAlarmService; import android.app.Service; import android.content.Intent; import android.os.IBinder; import android.widget.Toast; public class MyAlarmService extends Service { @Override public void onCreate() { // TODO Auto-generated method stub Toast.makeText(this, "MyAlarmService.onCreate()", Toast.LENGTH_LONG).show(); } @Override public IBinder onBind(Intent intent) { // TODO Auto-generated method stub Toast.makeText(this, "MyAlarmService.onBind()", Toast.LENGTH_LONG).show(); return null; } @Override public void onDestroy() { // TODO Auto-generated method stub super.onDestroy(); Toast.makeText(this, "MyAlarmService.onDestroy()", Toast.LENGTH_LONG).show(); } @Override public void onStart(Intent intent, int startId) { // TODO Auto-generated method stub super.onStart(intent, startId); Toast.makeText(this, "MyAlarmService.onStart()", Toast.LENGTH_LONG).show(); } @Override public boolean onUnbind(Intent intent) { // TODO Auto-generated method stub Toast.makeText(this, "MyAlarmService.onUnbind()", Toast.LENGTH_LONG).show(); return super.onUnbind(intent); } } </code></pre> <p><em>Layout:</em></p> <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /&gt; &lt;Button android:id="@+id/startalarm" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Start" /&gt; &lt;Button android:id="@+id/cancelalarm" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Cancel" /&gt; &lt;/LinearLayout&gt; </code></pre> <p><em>Android manifest:</em></p> <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.exercise.AndroidAlarmService" android:versionCode="1" android:versionName="1.0"&gt; &lt;uses-sdk android:minSdkVersion="4" /&gt; &lt;application android:icon="@drawable/icon" android:label="@string/app_name"&gt; &lt;activity android:name=".AndroidAlarmService" android:label="@string/app_name"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;service android:name=".MyAlarmService" /&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre>
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    1. USHassan Mushtaq
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    1. CO*"do alarm bell rings on android emulator"?* Are you expecting a sound to be played when the alarm is triggered? It's not that kind of alarm. The alarm service is simply a way to schedule something to happen at a particular time. If you want to hear something you need to make your service play a sound.
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      1. POHow to set an alarm in android java
      1. USDan Dyer
 

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