migrated to fragments backport

ActionBar/SearchView/app/build.gradle

@@ -1,6 +1,21 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion '26.0.2'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
+
+    defaultConfig {
+        minSdkVersion 15
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
+
+dependencies {
+    implementation "com.android.support:support-fragment:27.0.2"
+}

ActionBar/SearchView/app/src/main/java/com/commonsware/android/ab/search/ActionBarFragment.java

@@ -14,9 +14,9 @@
 
 package com.commonsware.android.ab.search;
 
-import android.app.ListFragment;
 import android.content.Context;
 import android.os.Bundle;
+import android.support.v4.app.ListFragment;
 import android.text.TextUtils;
 import android.view.KeyEvent;
 import android.view.Menu;

ActionBar/SearchView/app/src/main/java/com/commonsware/android/ab/search/ActionBarFragmentActivity.java

@@ -14,16 +14,16 @@
 
 package com.commonsware.android.ab.search;
 
-import android.app.Activity;
 import android.os.Bundle;
+import android.support.v4.app.FragmentActivity;
 
-public class ActionBarFragmentActivity extends Activity {
+public class ActionBarFragmentActivity extends FragmentActivity {
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
 
-    if (getFragmentManager().findFragmentById(android.R.id.content) == null) {
-      getFragmentManager().beginTransaction()
+    if (getSupportFragmentManager().findFragmentById(android.R.id.content) == null) {
+      getSupportFragmentManager().beginTransaction()
                           .add(android.R.id.content,
                                new ActionBarFragment()).commit();
     }

AlarmManager/AlarmClock/app/build.gradle

@@ -8,13 +8,13 @@ repositories {
 
 dependencies {
     implementation 'org.greenrobot:eventbus:3.0.0'
-    implementation 'com.android.support:support-v13:25.0.3'
-    implementation 'com.commonsware.cwac:wakeful:1.0.+'
+    implementation "com.android.support:support-fragment:27.0.2"
+    implementation 'com.commonsware.cwac:wakeful:1.1.0'
 }
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '26.0.2'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
 
 	  defaultConfig {
         minSdkVersion 21

AlarmManager/AlarmClock/app/src/main/java/com/commonsware/android/alarmclock/EventDemoActivity.java

@@ -14,18 +14,18 @@
 
 package com.commonsware.android.alarmclock;
 
-import android.app.Activity;
 import android.os.Bundle;
+import android.support.v4.app.FragmentActivity;
 
-public class EventDemoActivity extends Activity {
+public class EventDemoActivity extends FragmentActivity {
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
 
     android.util.Log.e(getClass().getSimpleName(), Integer.toHexString(hashCode()));
 
-    if (getFragmentManager().findFragmentById(android.R.id.content) == null) {
-      getFragmentManager().beginTransaction()
+    if (getSupportFragmentManager().findFragmentById(android.R.id.content) == null) {
+      getSupportFragmentManager().beginTransaction()
                           .add(android.R.id.content,
                                new EventLogFragment()).commit();
 

AlarmManager/AlarmClock/app/src/main/java/com/commonsware/android/alarmclock/EventLogFragment.java

@@ -15,8 +15,8 @@
 package com.commonsware.android.alarmclock;
 
 import android.annotation.SuppressLint;
-import android.app.ListFragment;
 import android.os.Bundle;
+import android.support.v4.app.ListFragment;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;

AlarmManager/AntiDoze/app/build.gradle

@@ -2,16 +2,16 @@ apply plugin: 'com.android.application'
 
 dependencies {
     implementation 'org.greenrobot:eventbus:3.0.0'
-    implementation 'com.android.support:support-compat:26.1.0'
+    implementation "com.android.support:support-v13:27.0.2"
 }
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion '26.0.2'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
 
-	  defaultConfig {
-        minSdkVersion 19
-		    targetSdkVersion 26
+    defaultConfig {
+        minSdkVersion 15
+        targetSdkVersion 27
 	  }
 
     flavorDimensions "default"

AlarmManager/AntiDoze/app/src/main/java/com/commonsware/android/antidoze/EventDemoActivity.java

@@ -14,15 +14,15 @@
 
 package com.commonsware.android.antidoze;
 
-import android.app.Activity;
+import android.support.v4.app.FragmentActivity;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.PowerManager;
 import android.provider.Settings;
 
-public class EventDemoActivity extends Activity {
+public class EventDemoActivity extends FragmentActivity {
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
@@ -40,8 +40,8 @@ public void onCreate(Bundle savedInstanceState) {
       }
     }
 
-    if (getFragmentManager().findFragmentById(android.R.id.content)==null) {
-      getFragmentManager().beginTransaction()
+    if (getSupportFragmentManager().findFragmentById(android.R.id.content)==null) {
+      getSupportFragmentManager().beginTransaction()
         .add(android.R.id.content,
           new EventLogFragment()).commit();
       startService(new Intent(this, ScheduledService.class));

AlarmManager/AntiDoze/app/src/main/java/com/commonsware/android/antidoze/EventLogFragment.java

@@ -15,7 +15,7 @@
 package com.commonsware.android.antidoze;
 
 import android.annotation.SuppressLint;
-import android.app.ListFragment;
+import android.support.v4.app.ListFragment;
 import android.os.Bundle;
 import android.view.View;
 import android.view.ViewGroup;

Internet/CA/app/build.gradle

@@ -4,12 +4,12 @@ def WARES='"https://wares.commonsware.com/excerpt-7p0.pdf"'
 def SELFSIGNED='"https://scrap.commonsware.com:3001/excerpt-7p0.pdf"'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion '26.0.2'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
 
     defaultConfig {
         minSdkVersion 17
-        targetSdkVersion 24
+        targetSdkVersion 27
     }
 
     flavorDimensions "default"
@@ -81,7 +81,7 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.android.support:support-v13:24.2.0'
-    implementation 'com.commonsware.cwac:provider:0.4.4'
-    implementation 'com.commonsware.cwac:netsecurity:0.2.0'
+    implementation 'com.android.support:support-v13:27.0.2'
+    implementation 'com.commonsware.cwac:provider:0.5.3'
+    implementation 'com.commonsware.cwac:netsecurity:0.4.4'
 }

Internet/CA/app/src/main/AndroidManifest.xml

@@ -29,7 +29,9 @@
       </intent-filter>
     </activity>
 
-    <service android:name="Downloader" />
+    <service
+      android:name="Downloader"
+      android:permission="android.permission.BIND_JOB_SERVICE" />
 
     <provider
       android:name="LegacyCompatFileProvider"

Internet/CA/app/src/main/java/com/commonsware/android/downloader/DownloadFragment.java

@@ -14,12 +14,11 @@
 
 package com.commonsware.android.downloader;
 
-import android.app.Fragment;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.v13.app.FragmentCompat;
+import android.support.v4.app.Fragment;
 import android.support.v4.content.ContextCompat;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -39,7 +38,7 @@ public View onCreateView(LayoutInflater inflater, ViewGroup parent,
                            Bundle savedInstanceState) {
     View result=inflater.inflate(R.layout.main, parent, false);
 
-    b=(Button)result.findViewById(R.id.button);
+    b=result.findViewById(R.id.button);
     b.setOnClickListener(this);
 
     return(result);
@@ -51,7 +50,7 @@ public void onClick(View v) {
       doTheDownload();
     }
     else {
-      FragmentCompat.requestPermissions(this, PERMS_ALL, REQUEST_ALL);
+      requestPermissions(PERMS_ALL, REQUEST_ALL);
     }
   }
 
@@ -70,7 +69,7 @@ private void doTheDownload() {
     Intent i=new Intent(getActivity(), Downloader.class);
 
     i.setData(Uri.parse(BuildConfig.URL));
-    getActivity().startService(i);
+    Downloader.enqueueWork(getActivity(), i);
     getActivity().finish();
   }
 

Internet/CA/app/src/main/java/com/commonsware/android/downloader/Downloader.java

@@ -14,42 +14,43 @@
 
 package com.commonsware.android.downloader;
 
-import android.app.IntentService;
 import android.app.Notification;
+import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
+import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
+import android.os.Build;
+import android.support.v4.app.JobIntentService;
 import android.support.v4.app.NotificationCompat;
 import android.support.v4.content.FileProvider;
 import android.util.Log;
 import com.commonsware.cwac.netsecurity.TrustManagerBuilder;
 import java.io.BufferedOutputStream;
 import java.io.File;
 import java.io.FileOutputStream;
-import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
 
-public class Downloader extends IntentService {
+public class Downloader extends JobIntentService {
   private static final String AUTHORITY=
     BuildConfig.APPLICATION_ID+".provider";
   private static int NOTIFY_ID=1337;
   private static int FOREGROUND_ID=1338;
+  private static int UNIQUE_JOB_ID=1339;
+  private static final String CHANNEL_WHATEVER="channel_whatever";
 
-  public Downloader() {
-    super("Downloader");
+  static void enqueueWork(Context ctxt, Intent i) {
+    enqueueWork(ctxt, Downloader.class, UNIQUE_JOB_ID, i);
   }
 
   @Override
-  public void onHandleIntent(Intent i) {
+  public void onHandleWork(Intent i) {
     File output=new File(getFilesDir(),
       i.getData().getLastPathSegment());
 
-    startForeground(FOREGROUND_ID,
-      buildForegroundNotification(output.getName()));
-
     try {
       if (output.exists()) {
         output.delete();
@@ -99,8 +100,18 @@ public void onHandleIntent(Intent i) {
 
   private void raiseNotification(String mimeType, File output,
                                  Exception e) {
+    NotificationManager mgr=
+      (NotificationManager)getSystemService(
+        NOTIFICATION_SERVICE);
+
+    if (Build.VERSION.SDK_INT>=Build.VERSION_CODES.O &&
+      mgr.getNotificationChannel(CHANNEL_WHATEVER)==null) {
+      mgr.createNotificationChannel(new NotificationChannel(CHANNEL_WHATEVER,
+        "Whatever", NotificationManager.IMPORTANCE_DEFAULT));
+    }
+
     NotificationCompat.Builder b=
-      new NotificationCompat.Builder(this);
+      new NotificationCompat.Builder(this, CHANNEL_WHATEVER);
 
     b.setAutoCancel(true).setDefaults(Notification.DEFAULT_ALL);
 
@@ -127,23 +138,6 @@ private void raiseNotification(String mimeType, File output,
         .setTicker(getString(R.string.exception));
     }
 
-    NotificationManager mgr=
-      (NotificationManager)getSystemService(
-        NOTIFICATION_SERVICE);
-
     mgr.notify(NOTIFY_ID, b.build());
   }
-
-  private Notification buildForegroundNotification(String filename) {
-    NotificationCompat.Builder b=new NotificationCompat.Builder(this);
-
-    b.setOngoing(true);
-
-    b.setContentTitle(getString(R.string.downloading))
-      .setContentText(filename)
-      .setSmallIcon(android.R.drawable.stat_sys_download)
-      .setTicker(getString(R.string.downloading));
-
-    return(b.build());
-  }
 }

Internet/CA/app/src/main/java/com/commonsware/android/downloader/DownloaderDemo.java

@@ -14,16 +14,16 @@
 
 package com.commonsware.android.downloader;
 
-import android.app.Activity;
+import android.support.v4.app.FragmentActivity;
 import android.os.Bundle;
 
-public class DownloaderDemo extends Activity {
+public class DownloaderDemo extends FragmentActivity {
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
 
-    if (getFragmentManager().findFragmentById(android.R.id.content) == null) {
-      getFragmentManager().beginTransaction()
+    if (getSupportFragmentManager().findFragmentById(android.R.id.content) == null) {
+      getSupportFragmentManager().beginTransaction()
                           .add(android.R.id.content,
                                new DownloadFragment()).commit();
     }

Rx/Retrofit/app/build.gradle

@@ -4,15 +4,20 @@ dependencies {
     implementation 'com.squareup.picasso:picasso:2.5.2'
     implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
     implementation 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
+    implementation ("com.android.support:support-v4:27.0.2") {
+        exclude group: 'com.android.support', module: 'support-media-compat'
+    } // for https://issuetracker.google.com/issues/64909326
+    implementation 'io.reactivex.rxjava2:rxjava:2.1.7'
     implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
 }
 
 android {
-    compileSdkVersion 25
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
 
     defaultConfig {
         minSdkVersion 15
-        targetSdkVersion 25
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
         applicationId "com.commonsware.android.rx.retrofit"