today I spent whole my time to find a way to pass some Integer data to my BroadCastReceiver from my MainActivity but I didn't find any way to do that and I'm totally depress, what I want to do is that I get some integer data like hour and minute and date from user and save them on SharedPreferences and til now all codes work right then I want to define a BroadCastreceiver for when the phone reboot this BroadCast implements and get my data that I save on SharedPreferences but I didn't find any way to do that! I try all the way like using Intent or making constructor that didn't work because the BroadCast can not have a constructor please help me if you know how can I do this? below is my codes
Manifest codes:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="example9.kavoshrayan.org.alarm">
<uses-permission android:name="com.android.alarm.permission.SET_ALARM" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<application
android:name=".G"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".Ring"></activity>
<receiver android:name=".BroadCast">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
</application>
</manifest>
MainActivity codes:
//In this Activity I define 3 button, one for set TimePicker and another one for
//set DatePicker and the last one for Save data and pass them To My instance BroadCast
//so that when phone reboot, data save on SharedPreferences in My instance BroadCast
//and after the phone turned on the data set and alarm work
public class MainActivity extends AppCompatActivity {
Button setBtn, dateBtn, saveBtn;
public int sec = 0;
public int min = 16;
public int hour = 3;
public int year = 2018;
public int month = 8;
public int day = 26;
PendingIntent pendingIntent;
Intent intent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
intent = new Intent(this, Ring.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
pendingIntent = PendingIntent.getActivities(G.context, 0, new Intent[] {intent}, PendingIntent.FLAG_UPDATE_CURRENT);
setBtn = (Button) findViewById(R.id.setBtn);
setBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
TimePickerDialog dialog = new TimePickerDialog(MainActivity.this, new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker timePicker, int Hour, int Min) {
hour = Hour;
min = Min;
Toast.makeText(MainActivity.this, Hour + " : " + Min + " : " + sec, Toast.LENGTH_SHORT).show();
}
}, 12, 0, true);
dialog.show();
}
});
dateBtn = (Button) findViewById(R.id.dateBtn);
dateBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
DatePickerDialog dialog1 = new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker datePicker, int Year, int Month, int Day) {
year = Year;
month = Month;
day = Day;
Toast.makeText(MainActivity.this, Year + " / " + Month + " / " + Day, Toast.LENGTH_SHORT).show();
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.HOUR, hour);
calendar.set(Calendar.MINUTE, min);
calendar.set(Calendar.SECOND, sec);
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month);
calendar.set(Calendar.DAY_OF_MONTH, day);
Log.i("LOG", hour + " : " + min + " : " + sec + "\n" + year + "//" + month + "//" + day);
G.alarmManager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
}
}, 2018, 6, 12);
dialog1.show();
}
});
saveBtn = (Button) findViewById(R.id.saveBtn);
saveBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
passData();
}
});
}
public void passData() {
Intent intent2 = new Intent(this, BroadCast.class);
intent2.putExtra("HOUR", hour);
intent2.putExtra("MIN", min);
intent2.putExtra("YEAR", year);
intent2.putExtra("MONTH", month);
intent2.putExtra("DAY", day);
sendBroadcast(intent2);
}
My G Application Class:
public class G extends Application {
public static Context context;
public static AlarmManager alarmManager;
@Override
public void onCreate() {
super.onCreate();
context = getApplicationContext();
alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
}
}
My Instance BroadCast codes:
public class BroadCast extends BroadcastReceiver {
PendingIntent pendingIntent;
SharedPreferences sharedPreferences;
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(G.context, "Reboot!", Toast.LENGTH_SHORT).show();
Intent intent1 = new Intent(G.context, Ring.class);
intent1.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
pendingIntent = PendingIntent.getActivities(G.context, 0, new Intent[]{intent1}, PendingIntent.FLAG_UPDATE_CURRENT);
sharedPreferences = PreferenceManager.getDefaultSharedPreferences(G.context);
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putInt("HOUR", intent.getExtras().getInt("HOUR"));
editor.putInt("MIN", intent.getExtras().getInt("MIN"));
editor.putInt("YEAR", intent.getExtras().getInt("YEAR"));
editor.putInt("MONTH", intent.getExtras().getInt("MONTH"));
editor.putInt("DAY", intent.getExtras().getInt("DAY"));
editor.commit();
//Here I log data and it works right and shows user's input data but after rebooring,
//Log shows 0 and alarm works a while after that
Log.i("LOG1", sharedPreferences.getInt("HOUR", 0)
+ " : " + sharedPreferences.getInt("MIN", 0)
+ " : " + 0 + "\n" + sharedPreferences.getInt("YEAR", 0)
+ "." + sharedPreferences.getInt("MONTH", 0)
+ "." + sharedPreferences.getInt("DAY", 0));
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.HOUR, sharedPreferences.getInt("HOUR", 0));
calendar.set(Calendar.MINUTE, sharedPreferences.getInt("MIN", 0));
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.YEAR, sharedPreferences.getInt("YEAR", 0));
calendar.set(Calendar.MONTH, sharedPreferences.getInt("MONTH", 0));
calendar.set(Calendar.DAY_OF_MONTH, sharedPreferences.getInt("DAY", 0));
G.alarmManager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
}
You can add extras to the Intent when you send the broadcast like:
Intent intent = new Intent(context,Receiver.class);
intent.putExtra("data",data); //Here add your int as Extra
sendBroadcast(intent);
And then in your Receiver:
void onReceive(Context context, Intent intent){
int data = intent.getIntExtra("data"); //Get the data from extras
}