[ANDROID code required ] Save (string) to (database) so that it is displayed in app (image button clicked) nothing else needed

If you have consulting fees please mention. [ANDROID code required ] Save (string) to (database) so that it is displayed in app (image button clicked). We have string inputs activity [already done]. toast message already done. grid adapter and all done. We need help in storing strings for each user. Please describe what solutions you can provide as we might need further work. Every detailed proposal will be considered.