Android Open Source - gonzomemory Shared Preferences Based Gonzonotes View Model

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License

The source code is released under:

Apache License

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Java Source Code

package de.janpeuker.apps.gonzonotes.mvp;
// w  ww.  j a v a2  s  .  co  m
import android.content.Context;
import android.content.SharedPreferences;

public class SharedPreferencesBasedGonzonotesViewModel implements GonzonotesViewModel {

  private static final String KEY_LAST_ENTERED_TEXT = "lastEnteredText";
  private static final String KEY_LAST_ID = "lastId";
  private final Context context;
  private final String SHARED_PREFERENCES_NAME = "de.janpeuker.apps.gonzonotes";

  public SharedPreferencesBasedGonzonotesViewModel(final Context context) {
    this.context = context;
  }

  private SharedPreferences getSharedPreferences() {
    final SharedPreferences prefs = context.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);

    return prefs;
  }

  private void storeInt(final String key, final int value) {
    getSharedPreferences().edit().putInt(key, value).apply();
  }

  private void storeString(final String key, final String value) {
    getSharedPreferences().edit().putString(key, value).apply();
  }

  private int readInt(final String key) {
    return getSharedPreferences().getInt(key, 0);
  }

  private String readString(final String key) {
    return getSharedPreferences().getString(key, "");
  }

  @Override
  public String getLastEnteredText() {
    return readString(KEY_LAST_ENTERED_TEXT);
  }

  @Override
  public void setLastEnteredText(final String lastEnteredText) {
    storeString(KEY_LAST_ENTERED_TEXT, lastEnteredText);
  }

  @Override
  public void persistState(final Context context) {
    // Auto-Persisted
  }

  @Override
  public int getLastNoteId() {
    return readInt(KEY_LAST_ID);
  }

  @Override
  public void setLastNoteId(final int id) {
    storeInt(KEY_LAST_ID, id);
  }

  @Override
  public void loadState(final Context context) {
    // Auto-Loaded
  }

}

Java Source Code List