How to save image path using Shared Preferences

Question

I have an activity that opens another activity to get a camera gallery pic. The picture comes back to my original activity and rest in an imageView. That's working fine. How do I save the image so when the user comes back later, or kills to app the image is still there. I know I am supposed the use Shared Preferences to get the image path and not save the image itself but I just don't know how do that. Activity A ``` private ImageView im1; private String selectedImagePath; private static final int SELECT_PICTURE = 1; public void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == RESULT_OK) { if (requestCode == SELECT_PICTURE) { Uri selectedImageUri = data.getData(); selectedImagePath = getPath(selectedImageUri); System.out.println("Image Path : " + selectedImagePath); im1.setImageURI(selectedImageUri); }}} public String getPath(Uri uri) { String[] projection = { MediaStore.Images.Media.DATA }; Cursor cursor = managedQuery(uri, projection, null, null, nu…

Accepted Answer

Override `onPause()` method in `Activity` with an image (to understand why `onPause`, check life cycle of an Activity diagram here: http://developer.android.com/reference/android/app/Activity.html) like this:

```
@Override
protected void onPause() {
    SharedPrefrences sp = getSharedPreferences("AppSharedPref", 0); // Open SharedPreferences with name AppSharedPref
    Editor editor = sp.edit();
    editor.putString("ImagePath", selectedImagePath); // Store selectedImagePath with key "ImagePath". This key will be then used to retrieve data.         
    editor.commit();
    super.onPause();
}
```

It means that whenever this `Activity` goes into background, the image path will be saved in `SharedPreferences` with name `AppSharedPref` - this name can be whatever you like, but you need to use the same one when retrieving data.

Then override `onResume()` method in the same `Activity` so that you can retrieve image path when `Activity` comes to foreground:

```
@Override
protected void onResume() {
    SharedPreferences sp = getSharedPreferences("AppSharedPref", 0);
    selectedImagePath = settings.getString("ImagePath", "");
    super.onResume();
}
```

You may also want to play with overriding other methods, like for example `onStart()` according to diagram, but this I leave to you.

How to save image path using Shared Preferences

Solution

Problem