Android gps programmatically turning on and turning off

Question

i have written a simple gps code , which is turning on and turning off the gps programmatically in some device(say moto g) but some older version or Samsung duos and some o

Answer 1

public void turnGPSOn() {
    Intent intent = new Intent("android.location.GPS_ENABLED_CHANGE");
    intent.putExtra("enabled", true);
    this.sendBroadcast(intent);

    String provider = Settings.Secure.getString(this.getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);

    if (!provider.contains("gps")) { //if gps is disabled
        final Intent poke = new Intent();
        poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");
        poke.setData(Uri.parse("3"));
        this.sendBroadcast(poke);
    }
}

// automatic turn off the gps
public void turnGPSOff() {
    Intent intent = new Intent("android.location.GPS_ENABLED_CHANGE");
    intent.putExtra("enabled", false);
    this.sendBroadcast(intent);

    String provider = Settings.Secure.getString(this.getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);

    if (provider.contains("gps")) { //if gps is enabled
        final Intent poke = new Intent();
        poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");
        poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
        poke.setData(Uri.parse("3"));
        this.sendBroadcast(poke);
    }
}