从 Unity 写入 Player Prefs 并从 Android 读取 Shared Preferences 返回错误值

Question

I'm working on a unity game exported to android . I have an Activity to save values on SharedPreferences that will be retrieve from Unity Activity and updated from PlayerPrefs . Also these values will be read from SharedPreferences from the Main Activity.

The values that I get not match with the values that I write on the main activity and only reads when I close the entire application.

Here is my code and how actually works.

The Main Activity save a value on Shared Preferences and launch the UnityPlayerActivity .

public void writeOnSharedAndLaunch(String text) {
    String sharedPreferenceName = context.getPackageName() + ".v2.playerprefs";
    SharedPreferences sharedPreferences = context.getSharedPreferences(sharedPreferenceName, MODE_PRIVATE);;
    Editor editor = sharedPreferences.edit();

    editor.putString("PlayerName", playerText.getText().toString());
    editor.apply();

    Intent intent = new Intent(context, UnityPlayerActivity.class);
    startActivity(intent);
}

From Unity I get the value from PlayerPrefs without problems, but when I update the preference on PlayerPrefs and return to Main Activity the value is the same.

I completely close the application and I open it again.

And as you can see the value changes but the spaces are replaced with %20 value.

This is my code from Unity Controller :

public void saveOnDataFromShared(string name) {
    PlayerPrefs.SetString("PlayerName", name);
    textShared.text = name;
}
public void loadStringFromPlayerPrefs() {
    textShared.text = PlayerPrefs.GetString ("PlayerName", "Default value");
}

I can't figure it out what happen on the process, any help is appreciated.

Answer 1

What you may be missing is saving the changes done to Prefs by calling:

PlayerPrefs.Save();

So, your code should look like:

public void saveOnDataFromShared(string name) {
    PlayerPrefs.SetString("PlayerName", name);
    PlayerPrefs.Save();
    textShared.text = name;
}