MP1_CalebFontenot

Book Files/24_NerdLauncher/NerdLauncher/app/src/androidTest/java/com/bignerdranch/android/nerdlauncher/ExampleInstrumentedTest.java

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+package com.bignerdranch.android.nerdlauncher;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.bignerdranch.android.nerdlauncher", appContext.getPackageName());
+    }
+}

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="com.bignerdranch.android.nerdlauncher"
+          xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".NerdLauncherActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+                <category android:name="android.intent.category.HOME"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/java/com/bignerdranch/android/nerdlauncher/NerdLauncherActivity.java

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+package com.bignerdranch.android.nerdlauncher;
+
+import android.support.v4.app.Fragment;
+
+public class NerdLauncherActivity extends SingleFragmentActivity {
+
+    @Override
+    protected Fragment createFragment() {
+        return NerdLauncherFragment.newInstance();
+    }
+}

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/java/com/bignerdranch/android/nerdlauncher/NerdLauncherFragment.java

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+package com.bignerdranch.android.nerdlauncher;
+
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+public class NerdLauncherFragment extends Fragment {
+    public static final String TAG = "NerdLauncherFragment";
+
+    private RecyclerView mRecyclerView;
+
+    public static NerdLauncherFragment newInstance() {
+        return new NerdLauncherFragment();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View v = inflater.inflate(R.layout.fragment_nerd_launcher, container, false);
+        mRecyclerView = (RecyclerView) v.findViewById(R.id.app_recycler_view);
+        mRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+
+        setupAdapter();
+        return v;
+    }
+
+    private void setupAdapter() {
+        Intent startupIntent = new Intent(Intent.ACTION_MAIN);
+        startupIntent.addCategory(Intent.CATEGORY_LAUNCHER);
+
+        PackageManager pm = getActivity().getPackageManager();
+        List<ResolveInfo> activities = pm.queryIntentActivities(startupIntent, 0);
+        Collections.sort(activities, new Comparator<ResolveInfo>() {
+            @Override
+            public int compare(ResolveInfo a, ResolveInfo b) {
+                PackageManager pm = getActivity().getPackageManager();
+                return String.CASE_INSENSITIVE_ORDER.compare(
+                        a.loadLabel(pm).toString(),
+                        b.loadLabel(pm).toString());
+            }
+        });
+        Log.i(TAG, "Found " + activities.size() + " activities.");
+        mRecyclerView.setAdapter(new ActivityAdapter(activities));
+    }
+
+    private class ActivityHolder extends RecyclerView.ViewHolder
+            implements View.OnClickListener {
+        private ResolveInfo mResolveInfo;
+        private TextView mNameTextView;
+
+        public ActivityHolder(View itemView) {
+            super(itemView);
+            mNameTextView = (TextView) itemView;
+            mNameTextView.setOnClickListener(this);
+        }
+
+        public void bindActivity(ResolveInfo resolveInfo) {
+            mResolveInfo = resolveInfo;
+            PackageManager pm = getActivity().getPackageManager();
+            String appName = mResolveInfo.loadLabel(pm).toString();
+            mNameTextView.setText(appName);
+        }
+
+        @Override
+        public void onClick(View view) {
+            ActivityInfo activityInfo = mResolveInfo.activityInfo;
+
+            Intent i = new Intent(Intent.ACTION_MAIN)
+                    .setClassName(activityInfo.applicationInfo.packageName,
+                            activityInfo.name)
+                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+            startActivity(i);
+        }
+    }
+
+    private class ActivityAdapter extends RecyclerView.Adapter<ActivityHolder> {
+        private final List<ResolveInfo> mActivities;
+
+        public ActivityAdapter(List<ResolveInfo> activities) {
+            mActivities = activities;
+        }
+
+        @Override
+        public ActivityHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            LayoutInflater layoutInflater = LayoutInflater.from(getActivity());
+            View view = layoutInflater
+                    .inflate(android.R.layout.simple_list_item_1, parent, false);
+            return new ActivityHolder(view);
+        }
+
+        @Override
+        public void onBindViewHolder(ActivityHolder holder, int position) {
+            ResolveInfo resolveInfo = mActivities.get(position);
+            holder.bindActivity(resolveInfo);
+        }
+
+        @Override
+        public int getItemCount() {
+            return mActivities.size();
+        }
+    }
+
+
+}

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/java/com/bignerdranch/android/nerdlauncher/SingleFragmentActivity.java

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+package com.bignerdranch.android.nerdlauncher;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v7.app.AppCompatActivity;
+
+public abstract class SingleFragmentActivity extends AppCompatActivity {
+
+    protected abstract Fragment createFragment();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_fragment);
+
+        FragmentManager fm = getSupportFragmentManager();
+        Fragment fragment = fm.findFragmentById(R.id.fragment_container);
+
+        if (fragment == null) {
+            fragment = createFragment();
+            fm.beginTransaction()
+                    .add(R.id.fragment_container, fragment)
+                    .commit();
+        }
+    }
+}

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/res/layout/activity_fragment.xml

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+<FrameLayout android:id="@+id/fragment_container"
+             xmlns:android="http://schemas.android.com/apk/res/android"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent" />

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/res/layout/fragment_nerd_launcher.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v7.widget.RecyclerView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/app_recycler_view"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"/>

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/res/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">NerdLauncher</string>
+</resources>

Book Files/24_NerdLauncher/NerdLauncher/app/src/main/res/values/styles.xml

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+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

Book Files/24_NerdLauncher/NerdLauncher/app/src/test/java/com/bignerdranch/android/nerdlauncher/ExampleUnitTest.java

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+package com.bignerdranch.android.nerdlauncher;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}