(╯°□°)╯︵ ┻━┻
parent
78825de38c
commit
110d6197d1
@ -1,26 +1,10 @@
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package com.calebfontenot.crimeactivity;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.fragment.app.Fragment;
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import androidx.fragment.app.FragmentManager;
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import android.os.Bundle;
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public class CrimeActivity extends AppCompatActivity {
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public class CrimeActivity extends SingleFragmentActivity{
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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FragmentManager fm = getSupportFragmentManager();
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Fragment fragment = fm.findFragmentById(R.id.fragment_container);
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if (fragment == null) {
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fragment = new CrimeFragment();
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fm.beginTransaction()
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.add(R.id.fragment_container,
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fragment).commit();
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}
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protected Fragment createFragment() {
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return new CrimeFragment();
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}
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}
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}
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@ -0,0 +1,40 @@
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package com.calebfontenot.crimeactivity;
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import android.content.Context;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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public class CrimeLab {
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private static CrimeLab sCrimeLab;
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private List<Crime> mCrimes;
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public static CrimeLab get(Context context) {
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if (sCrimeLab == null) {
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sCrimeLab = new CrimeLab(context);
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}
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return sCrimeLab;
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}
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private CrimeLab(Context context) {
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mCrimes = new ArrayList<>();
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for (int i = 0; i < 100; ++i) {
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Crime crime = new Crime();
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crime.setmTitle("Crime #" + i);
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crime.setmSolved(i % 2 == 0);
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mCrimes.add(crime);
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}
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}
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public List<Crime> getCrimes() {
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return mCrimes;
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}
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public Crime getCrime(UUID id) {
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for (Crime crime: mCrimes) {
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if (crime.getmId().equals(id)) {
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return crime;
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}
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}
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return null;
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}
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}
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package com.calebfontenot.crimeactivity;
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import androidx.fragment.app.Fragment;
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public class CrimeListActivity extends SingleFragmentActivity {
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public CrimeListActivity() {
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createFragment();
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}
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@Override
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protected Fragment createFragment() {
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return new CrimeListFragment();
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}
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}
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@ -0,0 +1,61 @@
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package com.calebfontenot.crimeactivity;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import java.util.List;
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public class CrimeListFragment extends Fragment {
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private RecyclerView mCrimeRecyclerView;
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private CrimeAdapter mAdapter;
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@Nullable
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.fragment_crime_list, container, false);
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mCrimeRecyclerView = (RecyclerView) view.findViewById(R.id.crime_recycler_view);
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mCrimeRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
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updateUI();
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return view;
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}
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private void updateUI() {
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CrimeLab crimeLab = CrimeLab.get(getActivity());
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List<Crime> crimes = crimeLab.getCrimes();
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mAdapter = new CrimeAdapter(crimes);
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mCrimeRecyclerView.setAdapter(mAdapter);
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}
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private static class CrimeHolder extends RecyclerView.ViewHolder {
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public CrimeHolder(LayoutInflater inflater, ViewGroup parent) {
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super(inflater.inflate(R.layout.list_item_crime, parent, false));
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}
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}
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private class CrimeAdapter extends RecyclerView.Adapter<CrimeHolder> {
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private List<Crime> mCrimes;
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public CrimeAdapter(List<Crime> crimes) {
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mCrimes = crimes;
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}
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@NonNull
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@Override
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public CrimeHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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LayoutInflater layoutInflater = LayoutInflater.from(getActivity());
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return new CrimeHolder(layoutInflater, parent);
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}
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@Override
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public void onBindViewHolder(@NonNull CrimeHolder holder, int position) {
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}
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@Override
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public int getItemCount() {
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return mCrimes.size();
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}
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}
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}
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@ -0,0 +1,26 @@
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package com.calebfontenot.crimeactivity;
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import android.os.Bundle;
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import android.os.PersistableBundle;
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import androidx.annotation.Nullable;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.fragment.app.Fragment;
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import androidx.fragment.app.FragmentManager;
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public abstract class SingleFragmentActivity extends AppCompatActivity {
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protected abstract Fragment createFragment();
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@Override
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public void onCreate(@Nullable Bundle savedInstanceState, @Nullable PersistableBundle persistentState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_fragment);
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FragmentManager fm = getSupportFragmentManager();
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Fragment fragment = fm.findFragmentById(R.id.fragment_container);
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if (fragment == null) {
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fragment = createFragment();
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fm.beginTransaction().add(R.id.fragment_container, fragment).commit();
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}
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}
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}
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="utf-8"?>
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<android.support.v7.widget.RecyclerView
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:id="@+id/crime_recycler_view"
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android:layout_width="match_parent"
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android:layout_height="match_parent"/>
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@ -0,0 +1,17 @@
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="vertical"
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android:padding="8dp">
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<TextView
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android:id="@+id/crime_title"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/crime_title"/>
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<TextView
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android:id="@+id/crime_date"
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android:layout_width="match_parent"
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android:layout_height="wrap_content" />
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</LinearLayout>
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