Improve nullability coverage (#514)
* Switch to in-built RV divider * Switch getActivity calls to requireActivity This enforces non-null activity and throws a proper exception when it is null for some reason. Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>
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5078da4490
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5 changed files with 38 additions and 88 deletions
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@ -1,52 +0,0 @@
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package com.zeapo.pwdstore;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Canvas;
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import android.graphics.drawable.Drawable;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.core.content.ContextCompat;
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import androidx.recyclerview.widget.RecyclerView;
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class DividerItemDecoration extends RecyclerView.ItemDecoration {
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private static final int[] ATTRS = new int[]{android.R.attr.listDivider};
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private Drawable mDivider;
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/**
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* Default divider will be used
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*/
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public DividerItemDecoration(Context context) {
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final TypedArray styledAttributes = context.obtainStyledAttributes(ATTRS);
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mDivider = styledAttributes.getDrawable(0);
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styledAttributes.recycle();
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}
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/**
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* Custom divider will be used
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*/
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DividerItemDecoration(Context context, int resId) {
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mDivider = ContextCompat.getDrawable(context, resId);
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}
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@Override
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public void onDraw(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
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int left = parent.getPaddingLeft();
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int right = parent.getWidth() - parent.getPaddingRight();
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int childCount = parent.getChildCount();
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for (int i = 0; i < childCount; i++) {
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View child = parent.getChildAt(i);
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RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
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int top = child.getBottom() + params.bottomMargin;
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int bottom = top + mDivider.getIntrinsicHeight();
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mDivider.setBounds(left, top, right, bottom);
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mDivider.draw(c);
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}
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}
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}
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@ -11,6 +11,7 @@ import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.fragment.app.Fragment;
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import androidx.recyclerview.widget.DividerItemDecoration;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import com.google.android.material.floatingactionbutton.FloatingActionButton;
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@ -51,12 +52,12 @@ public class PasswordFragment extends Fragment {
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super.onCreate(savedInstanceState);
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String path = getArguments().getString("Path");
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settings = PreferenceManager.getDefaultSharedPreferences(getActivity());
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settings = PreferenceManager.getDefaultSharedPreferences(requireActivity());
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passListStack = new Stack<>();
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scrollPosition = new Stack<>();
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pathStack = new Stack<>();
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recyclerAdapter = new PasswordRecyclerAdapter((PasswordStore) getActivity(), mListener,
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PasswordRepository.getPasswords(new File(path), PasswordRepository.getRepositoryDirectory(getActivity()), getSortOrder()));
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recyclerAdapter = new PasswordRecyclerAdapter((PasswordStore) requireActivity(), mListener,
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PasswordRepository.getPasswords(new File(path), PasswordRepository.getRepositoryDirectory(requireContext()), getSortOrder()));
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}
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@Override
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@ -65,19 +66,19 @@ public class PasswordFragment extends Fragment {
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View view = inflater.inflate(R.layout.password_recycler_view, container, false);
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// use a linear layout manager
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RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(getActivity());
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RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(requireContext());
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recyclerView = view.findViewById(R.id.pass_recycler);
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recyclerView.setLayoutManager(mLayoutManager);
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// use divider
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recyclerView.addItemDecoration(new DividerItemDecoration(getActivity(), R.drawable.divider));
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recyclerView.addItemDecoration(new DividerItemDecoration(requireContext(), DividerItemDecoration.VERTICAL));
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// Set the adapter
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recyclerView.setAdapter(recyclerAdapter);
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final FloatingActionButton fab = view.findViewById(R.id.fab);
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fab.setOnClickListener(v -> ((PasswordStore) getActivity()).createPassword());
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fab.setOnClickListener(v -> ((PasswordStore) requireActivity()).createPassword());
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registerForContextMenu(recyclerView);
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return view;
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@ -101,18 +102,17 @@ public class PasswordFragment extends Fragment {
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recyclerAdapter.clear();
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recyclerAdapter.addAll(PasswordRepository.getPasswords(item.getFile(), PasswordRepository.getRepositoryDirectory(context), getSortOrder()));
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((AppCompatActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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((AppCompatActivity) requireActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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} else {
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if (getArguments().getBoolean("matchWith", false)) {
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((PasswordStore) getActivity()).matchPasswordWithApp(item);
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((PasswordStore) requireActivity()).matchPasswordWithApp(item);
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} else {
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((PasswordStore) getActivity()).decryptPassword(item);
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((PasswordStore) requireActivity()).decryptPassword(item);
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}
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}
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};
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} catch (ClassCastException e) {
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throw new ClassCastException(context.toString()
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+ " must implement OnFragmentInteractionListener");
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throw new ClassCastException(context + " must implement OnFragmentInteractionListener");
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}
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}
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@ -124,9 +124,9 @@ public class PasswordFragment extends Fragment {
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pathStack.clear();
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scrollPosition.clear();
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recyclerAdapter.clear();
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recyclerAdapter.addAll(PasswordRepository.getPasswords(PasswordRepository.getRepositoryDirectory(getActivity()), getSortOrder()));
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recyclerAdapter.addAll(PasswordRepository.getPasswords(PasswordRepository.getRepositoryDirectory(requireContext()), getSortOrder()));
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((AppCompatActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(false);
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((AppCompatActivity) requireActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(false);
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}
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/**
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@ -135,8 +135,8 @@ public class PasswordFragment extends Fragment {
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public void refreshAdapter() {
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recyclerAdapter.clear();
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recyclerAdapter.addAll(pathStack.isEmpty() ?
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PasswordRepository.getPasswords(PasswordRepository.getRepositoryDirectory(getActivity()), getSortOrder()) :
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PasswordRepository.getPasswords(pathStack.peek(), PasswordRepository.getRepositoryDirectory(getActivity()), getSortOrder()));
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PasswordRepository.getPasswords(PasswordRepository.getRepositoryDirectory(requireContext()), getSortOrder()) :
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PasswordRepository.getPasswords(pathStack.peek(), PasswordRepository.getRepositoryDirectory(requireContext()), getSortOrder()));
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}
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/**
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@ -163,8 +163,8 @@ public class PasswordFragment extends Fragment {
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private void recursiveFilter(String filter, File dir) {
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// on the root the pathStack is empty
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ArrayList<PasswordItem> passwordItems = dir == null ?
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PasswordRepository.getPasswords(PasswordRepository.getRepositoryDirectory(getActivity()), getSortOrder()) :
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PasswordRepository.getPasswords(dir, PasswordRepository.getRepositoryDirectory(getActivity()), getSortOrder());
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PasswordRepository.getPasswords(PasswordRepository.getRepositoryDirectory(requireContext()), getSortOrder()) :
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PasswordRepository.getPasswords(dir, PasswordRepository.getRepositoryDirectory(requireContext()), getSortOrder());
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boolean rec = settings.getBoolean("filter_recursively", true);
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for (PasswordItem item : passwordItems) {
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@ -201,7 +201,7 @@ public class PasswordFragment extends Fragment {
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*/
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public File getCurrentDir() {
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if (pathStack.isEmpty())
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return PasswordRepository.getRepositoryDirectory(getActivity().getApplicationContext());
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return PasswordRepository.getRepositoryDirectory(requireContext());
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else
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return pathStack.peek();
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}
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@ -37,8 +37,8 @@ public class PasswordGeneratorDialogFragment extends DialogFragment {
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@SuppressLint("SetTextI18n")
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
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final Activity callingActivity = getActivity();
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AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
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final Activity callingActivity = requireActivity();
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LayoutInflater inflater = callingActivity.getLayoutInflater();
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@SuppressLint("InflateParams") final View view = inflater.inflate(R.layout.fragment_pwgen, null);
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Typeface monoTypeface = Typeface.createFromAsset(callingActivity.getAssets(), "fonts/sourcecodepro.ttf");
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@ -46,7 +46,7 @@ public class PasswordGeneratorDialogFragment extends DialogFragment {
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builder.setView(view);
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SharedPreferences prefs
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= getActivity().getApplicationContext().getSharedPreferences("PasswordGenerator", Context.MODE_PRIVATE);
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= requireActivity().getApplicationContext().getSharedPreferences("PasswordGenerator", Context.MODE_PRIVATE);
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CheckBox checkBox = view.findViewById(R.id.numerals);
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checkBox.setChecked(!prefs.getBoolean("0", false));
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@ -87,9 +87,9 @@ public class PasswordGeneratorDialogFragment extends DialogFragment {
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ad.setOnShowListener(dialog -> {
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setPreferences();
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try {
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passwordText.setText(PasswordGenerator.INSTANCE.generate(getActivity().getApplicationContext()).get(0));
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passwordText.setText(PasswordGenerator.generate(requireActivity().getApplicationContext()).get(0));
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} catch (PasswordGenerator.PasswordGeneratorExeption e) {
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Toast.makeText(getActivity(), e.getMessage(), Toast.LENGTH_SHORT).show();
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Toast.makeText(requireActivity(), e.getMessage(), Toast.LENGTH_SHORT).show();
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passwordText.setText("");
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}
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@ -97,9 +97,9 @@ public class PasswordGeneratorDialogFragment extends DialogFragment {
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b.setOnClickListener(v -> {
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setPreferences();
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try {
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passwordText.setText(PasswordGenerator.INSTANCE.generate(callingActivity.getApplicationContext()).get(0));
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passwordText.setText(PasswordGenerator.generate(callingActivity.getApplicationContext()).get(0));
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} catch (PasswordGenerator.PasswordGeneratorExeption e) {
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Toast.makeText(getActivity(), e.getMessage(), Toast.LENGTH_SHORT).show();
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Toast.makeText(requireActivity(), e.getMessage(), Toast.LENGTH_SHORT).show();
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passwordText.setText("");
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}
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});
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@ -131,9 +131,9 @@ public class PasswordGeneratorDialogFragment extends DialogFragment {
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EditText editText = getDialog().findViewById(R.id.lengthNumber);
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try {
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int length = Integer.valueOf(editText.getText().toString());
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PasswordGenerator.INSTANCE.setPrefs(getActivity().getApplicationContext(), preferences, length);
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PasswordGenerator.setPrefs(requireActivity().getApplicationContext(), preferences, length);
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} catch (NumberFormatException e) {
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PasswordGenerator.INSTANCE.setPrefs(getActivity().getApplicationContext(), preferences);
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PasswordGenerator.setPrefs(requireActivity().getApplicationContext(), preferences);
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}
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}
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}
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@ -9,6 +9,7 @@ import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.fragment.app.Fragment;
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import androidx.recyclerview.widget.DividerItemDecoration;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import com.google.android.material.floatingactionbutton.FloatingActionButton;
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@ -46,8 +47,8 @@ public class SelectFolderFragment extends Fragment {
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String path = getArguments().getString("Path");
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pathStack = new Stack<>();
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recyclerAdapter = new FolderRecyclerAdapter((SelectFolderActivity) getActivity(), mListener,
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PasswordRepository.getPasswords(new File(path), PasswordRepository.getRepositoryDirectory(getActivity()), getSortOrder()));
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recyclerAdapter = new FolderRecyclerAdapter((SelectFolderActivity) requireActivity(), mListener,
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PasswordRepository.getPasswords(new File(path), PasswordRepository.getRepositoryDirectory(requireActivity()), getSortOrder()));
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}
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@Override
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@ -57,10 +58,10 @@ public class SelectFolderFragment extends Fragment {
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// use a linear layout manager
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recyclerView = view.findViewById(R.id.pass_recycler);
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recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
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recyclerView.setLayoutManager(new LinearLayoutManager(requireContext()));
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// use divider
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recyclerView.addItemDecoration(new DividerItemDecoration(getActivity(), R.drawable.divider));
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recyclerView.addItemDecoration(new DividerItemDecoration(requireContext(), DividerItemDecoration.VERTICAL));
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// Set the adapter
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recyclerView.setAdapter(recyclerAdapter);
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recyclerAdapter.clear();
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recyclerAdapter.addAll(PasswordRepository.getPasswords(item.getFile(), PasswordRepository.getRepositoryDirectory(context), getSortOrder()));
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((AppCompatActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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((AppCompatActivity) requireActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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}
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};
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} catch (ClassCastException e) {
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*/
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public File getCurrentDir() {
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if (pathStack.isEmpty())
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return PasswordRepository.getRepositoryDirectory(getActivity().getApplicationContext());
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return PasswordRepository.getRepositoryDirectory(requireContext());
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else
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return pathStack.peek();
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}
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private PasswordRepository.PasswordSortOrder getSortOrder() {
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return PasswordRepository.PasswordSortOrder.getSortOrder(PreferenceManager.getDefaultSharedPreferences(getActivity()));
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return PasswordRepository.PasswordSortOrder.getSortOrder(PreferenceManager.getDefaultSharedPreferences(requireContext()));
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}
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public interface OnFragmentInteractionListener {
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@ -47,6 +47,7 @@ object PasswordGenerator {
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* @return `false` if a numerical options is invalid,
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* `true` otherwise
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*/
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@JvmStatic
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fun setPrefs(ctx: Context, argv: ArrayList<String>, vararg numArgv: Int): Boolean {
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val prefs = ctx.getSharedPreferences("PasswordGenerator", Context.MODE_PRIVATE)
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val editor = prefs.edit()
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@ -81,7 +82,7 @@ object PasswordGenerator {
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* preferences file 'PasswordGenerator'
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* @return list of generated passwords
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*/
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@Throws(PasswordGenerator.PasswordGeneratorExeption::class)
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@JvmStatic @Throws(PasswordGenerator.PasswordGeneratorExeption::class)
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fun generate(ctx: Context): ArrayList<String> {
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val prefs = ctx.getSharedPreferences("PasswordGenerator", Context.MODE_PRIVATE)
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@ -140,6 +141,6 @@ object PasswordGenerator {
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return passwords
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}
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public class PasswordGeneratorExeption(string: String) : Exception(string)
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class PasswordGeneratorExeption(string: String) : Exception(string)
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}
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