Examples with StreamRetentionFragment com.example.android.batchstepsensor.cardstream.StreamRetentionFragment used on opensource projects

Example 1 with StreamRetentionFragment

use of com.example.android.batchstepsensor.cardstream.StreamRetentionFragment in project Android-Developers-Samples by johnjohndoe.

the class MainActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    FragmentManager fm = getSupportFragmentManager();
    BatchStepSensorFragment fragment = (BatchStepSensorFragment) fm.findFragmentByTag(FRAGTAG);
    if (fragment == null) {
        FragmentTransaction transaction = fm.beginTransaction();
        fragment = new BatchStepSensorFragment();
        transaction.add(fragment, FRAGTAG);
        transaction.commit();
    }
    // Use fragment as click listener for cards, but must implement correct interface
    if (!(fragment instanceof OnCardClickListener)) {
        throw new ClassCastException("BatchStepSensorFragment must " + "implement OnCardClickListener interface.");
    }
    OnCardClickListener clickListener = (OnCardClickListener) fm.findFragmentByTag(FRAGTAG);
    mRetentionFragment = (StreamRetentionFragment) fm.findFragmentByTag(RETENTION_TAG);
    if (mRetentionFragment == null) {
        mRetentionFragment = new StreamRetentionFragment();
        fm.beginTransaction().add(mRetentionFragment, RETENTION_TAG).commit();
    } else {
        // If the retention fragment already existed, we need to pull some state.
        // pull state out
        CardStreamState state = mRetentionFragment.getCardStream();
        // dump it in CardStreamFragment.
        mCardStreamFragment = (CardStreamFragment) fm.findFragmentById(R.id.fragment_cardstream);
        mCardStreamFragment.restoreState(state, clickListener);
    }
}