Example usage for android.preference PreferenceManager getDefaultSharedPreferences

Introduction

In this page you can find the example usage for android.preference PreferenceManager getDefaultSharedPreferences.

Prototype

public static SharedPreferences getDefaultSharedPreferences(Context context)

Source Link

Document

Gets a SharedPreferences instance that points to the default file that is used by the preference framework in the given context.

Usage

From source file:Main.java

public static void markWelcomeDone(final Context context) {
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
    sp.edit().putBoolean(PREF_WELCOME_DONE, true).apply();
}

From source file:Main.java

public static void setLastForumPageSaved(Context context, int forumPageNum) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    Editor edit = prefs.edit();//www .  ja  v a2 s .  c o m
    edit.putInt(PREF_LAST_FORUM_PAGE_SAVED, forumPageNum);
    edit.commit();
}

From source file:Main.java

/**
 * Generates a device ID.//  w w  w .  ja v  a  2  s .c o m
 */
public synchronized static String getDeviceId(Context context) {
    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
    String deviceId = preferences.getString("device_id", null);
    if (deviceId == null) {
        String chars = "123456789ABCDEFGHJKLMNPQRSTUVWXY";
        byte[] randomBytes = new byte[12];
        new SecureRandom().nextBytes(randomBytes);
        StringBuilder builder = new StringBuilder(12);
        for (int i = 0; i < 12; i++) {
            builder.append(chars.charAt((randomBytes[i] & 0xFF) % chars.length()));
        }
        deviceId = builder.toString();
        preferences.edit().putString("device_id", deviceId).apply();
    }
    return deviceId;
}

From source file:Main.java

private static SharedPreferences getPrefs(Context context) {
    return PreferenceManager.getDefaultSharedPreferences(context);
}

From source file:Main.java

public static Boolean isEnoughtBattery(Context context) {
    SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
    Float acceptableBatteryLevel = Float.parseFloat(pref.getString("pref_battery_level", "40.0f"));
    Float batteryLevel = getBatteryLevel(context);

    return (batteryLevel >= acceptableBatteryLevel || isCharging(context));
}

From source file:Main.java

public static boolean needsMigration(Context context) {
    try {//w w  w  .  j  a  v  a 2 s  . c  o m
        int currentVersion = context.getPackageManager().getPackageInfo(context.getPackageName(),
                0).versionCode;
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);

        return !preferences.contains("migration_" + currentVersion);
    } catch (Exception e) {
        e.printStackTrace();
    }

    return false;
}

From source file:Main.java

private static void saveWeatherInfo(Context context, String tmp, String windDir, String windSc, String txt,
        String city, String publishTime, String cityCode) {
    SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
    editor.putBoolean("city_selected", true);
    editor.putString("city_name", city);
    editor.putString("city_code", cityCode);
    editor.putString("tmp", tmp);
    editor.putString("wind_dir", windDir);
    editor.putString("wind_sc", windSc);
    editor.putString("weather_desp", txt);
    editor.putString("publish_time", publishTime);
    editor.apply();/*from   ww  w .  j a  v a 2s .  c  om*/
}

From source file:Main.java

public static boolean writeRecords(int gameId, String key, String value) {
    boolean result = false;
    try {/*from w w w.  j av  a2  s .c o  m*/
        SharedPreferences mPerferences = PreferenceManager.getDefaultSharedPreferences(mContext);
        Editor editor = mPerferences.edit();
        editor.putString(key, value);
        editor.commit();
        result = true;
    } catch (Exception e) {
        result = false;
    }
    return result;
}

From source file:Main.java

public static String getDeviceCaption(@NonNull Context argContext) {
    SharedPreferences argSharedPreferences = PreferenceManager.getDefaultSharedPreferences(argContext);
    return argSharedPreferences.getString(deviceNameKey, getDeviceID());
}

From source file:Main.java

/**
 * Sets the preference.//  w  w w.j  a v a  2 s  . c om
 *
 * @param key the key
 * @param value the value
 */
public static void setPreference(String key, Object value, Context c) {
    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(c);
    // The SharedPreferences editor - must use commit() to submit changes
    SharedPreferences.Editor editor = preferences.edit();
    if (value instanceof Integer)
        editor.putInt(key, ((Integer) value).intValue());
    else if (value instanceof Long)
        editor.putLong(key, ((Long) value));
    else if (value instanceof String)
        editor.putString(key, (String) value);
    else if (value instanceof Boolean)
        editor.putBoolean(key, (Boolean) value);
    else if (value instanceof Float)
        editor.putFloat(key, (Float) value);
    editor.commit();
    Log.e("Preference set: ", key + " => " + value);
}