Add check update

app/src/main/java/com/hippo/ehviewer/EhApplication.java

@@ -53,6 +53,8 @@ public class EhApplication extends SceneApplication implements Thread.UncaughtEx
 
     private static final String TAG = EhApplication.class.getSimpleName();
 
+    public static final boolean BETA = true;
+
     private static final boolean DEBUG_CONACO = false;
     private static final boolean DEBUG_NATIVE_MEMORY = false;
 
@@ -97,6 +99,10 @@ public class EhApplication extends SceneApplication implements Thread.UncaughtEx
             Analytics.start(this);
         }
 
+        if (BETA) {
+            Settings.putBetaUpdateChannel(true);
+        }
+
         // Update version code
         try {
             PackageInfo pi= getPackageManager().getPackageInfo(getPackageName(), 0);

app/src/main/java/com/hippo/ehviewer/Settings.java

@@ -488,11 +488,25 @@ public class Settings {
         return true;
     }
 
+    /********************
+     ****** Update
+     ********************/
+    private static final String KEY_BETA_UPDATE_CHANNEL = "beta_update_channel";
+    private static final boolean DEFAULT_BETA_UPDATE_CHANNEL = EhApplication.BETA;
+
+    public static boolean getBetaUpdateChannel() {
+        return getBoolean(KEY_BETA_UPDATE_CHANNEL, DEFAULT_BETA_UPDATE_CHANNEL);
+    }
+
+    public static void putBetaUpdateChannel(boolean value) {
+        putBoolean(KEY_BETA_UPDATE_CHANNEL, value);
+    }
+
     /********************
      ****** Crash
      ********************/
-    public static final String KEY_CRASH_FILENAME = "crash_filename";
-    public static final String VALUE_CRASH_FILENAME = null;
+    private static final String KEY_CRASH_FILENAME = "crash_filename";
+    private static final String VALUE_CRASH_FILENAME = null;
 
     public static String getCrashFilename() {
         return getString(KEY_CRASH_FILENAME, VALUE_CRASH_FILENAME);

app/src/main/java/com/hippo/ehviewer/ui/CommonOperations.java

@@ -17,25 +17,150 @@
 package com.hippo.ehviewer.ui;
 
 import android.app.Activity;
+import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.os.AsyncTask;
 import android.support.v7.app.AlertDialog;
+import android.util.Log;
 
 import com.hippo.app.ListCheckBoxDialogBuilder;
 import com.hippo.ehviewer.EhApplication;
 import com.hippo.ehviewer.EhDB;
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.Settings;
+import com.hippo.ehviewer.UrlOpener;
 import com.hippo.ehviewer.client.EhClient;
 import com.hippo.ehviewer.client.EhRequest;
 import com.hippo.ehviewer.client.data.GalleryInfo;
 import com.hippo.ehviewer.dao.DownloadLabel;
 import com.hippo.ehviewer.download.DownloadManager;
 import com.hippo.ehviewer.download.DownloadService;
+import com.hippo.text.Html;
+import com.hippo.yorozuya.FileUtils;
 
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
 import java.util.List;
 
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
 public final class CommonOperations {
 
+    private static final String TAG = CommonOperations.class.getSimpleName();
+
+    private static boolean UPDATING;
+
+    public static void checkUpdate(Activity activity, boolean feedback) {
+        if (!UPDATING) {
+            UPDATING = true;
+            new UpdateTask(activity, feedback).execute();
+        }
+    }
+
+    private static final class UpdateTask extends AsyncTask<Void, Void, JSONObject> {
+
+        private final Activity mActivity;
+        private final OkHttpClient mHttpClient;
+        private final boolean mFeedback;
+
+        public UpdateTask(Activity activity, boolean feedback) {
+            mActivity = activity;
+            mHttpClient = EhApplication.getOkHttpClient(activity);
+            mFeedback = feedback;
+        }
+
+        @Override
+        protected JSONObject doInBackground(Void... params) {
+            try {
+                String url;
+                if (Settings.getBetaUpdateChannel()) {
+                    url = "http://www.ehviewer.com/update_beta.json";
+                } else {
+                    url = "http://www.ehviewer.com/update.json";
+                }
+                Log.d(TAG, url);
+                Request request = new Request.Builder().url(url).build();
+                Response response = mHttpClient.newCall(request).execute();
+                return new JSONObject(response.body().string());
+            } catch (IOException e) {
+                return null;
+            } catch (JSONException e) {
+                return null;
+            }
+        }
+
+        private void showUpToDateDialog() {
+            if (!mFeedback) {
+                return;
+            }
+
+            new AlertDialog.Builder(mActivity)
+                    .setMessage(R.string.update_to_date)
+                    .setPositiveButton(android.R.string.ok, null)
+                    .show();
+        }
+
+        private void showUpdateDialog(String versionName, String size, CharSequence info, final String url) {
+            new AlertDialog.Builder(mActivity)
+                    .setTitle(R.string.update)
+                    .setMessage(mActivity.getString(R.string.update_plain, versionName, size, info))
+                    .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            UrlOpener.openUrl(mActivity, url, false, false);
+                        }
+                    }).show();
+        }
+
+
+        private void handleResult(JSONObject jo) {
+            if (null == jo || mActivity.isFinishing()) {
+                return;
+            }
+
+            String versionName;
+            String size;
+            CharSequence info;
+            String url;
+
+            try {
+                PackageManager pm = mActivity.getPackageManager();
+                PackageInfo pi = pm.getPackageInfo(mActivity.getPackageName(), PackageManager.GET_ACTIVITIES);
+                int currentVersionCode = pi.versionCode;
+                int newVersionCode = jo.getInt("version_code");
+                if (currentVersionCode >= newVersionCode) {
+                    // Update to date
+                    showUpToDateDialog();
+                    return;
+                }
+
+                versionName = jo.getString("version_name");
+                size = FileUtils.humanReadableByteCount(jo.getLong("size"), false);
+                info = Html.fromHtml(jo.getString("info"));
+                url = jo.getString("url");
+            } catch (PackageManager.NameNotFoundException | JSONException e) {
+                return;
+            }
+
+            showUpdateDialog(versionName, size, info, url);
+        }
+
+        @Override
+        protected void onPostExecute(JSONObject jsonObject) {
+            try {
+                handleResult(jsonObject);
+            } finally {
+                UPDATING = false;
+            }
+        }
+    }
+
     private static void doAddToFavorites(Activity activity, GalleryInfo galleryInfo,
             int slot, EhClient.Callback<Void> listener) {
         if (slot == -1) {

app/src/main/java/com/hippo/ehviewer/ui/MainActivity.java

@@ -266,6 +266,7 @@ public final class MainActivity extends StageActivity
 
         if (savedInstanceState == null) {
             onInit();
+            CommonOperations.checkUpdate(this, false);
         } else {
             onRestore(savedInstanceState);
         }

app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java

@@ -27,6 +27,7 @@ import com.hippo.ehviewer.EhApplication;
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.Settings;
 import com.hippo.ehviewer.UrlOpener;
+import com.hippo.ehviewer.ui.CommonOperations;
 import com.hippo.ehviewer.ui.LicenseActivity;
 import com.hippo.util.ActivityHelper;
 
@@ -41,6 +42,8 @@ public class AboutFragment extends PreferenceFragment
     private static final String KEY_CHANGELOG = "changelog";
     private static final String KEY_LICENSE = "license";
     private static final String KEY_DONATE = "donate";
+    private static final String KEY_CHECK_FOR_UPDATES = "check_for_updates";
+    private static final String KEY_BETA_UPDATE_CHANNEL = "beta_update_channel";
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -55,8 +58,11 @@ public class AboutFragment extends PreferenceFragment
         Preference changelog = findPreference(KEY_CHANGELOG);
         Preference license = findPreference(KEY_LICENSE);
         Preference donate = findPreference(KEY_DONATE);
+        Preference checkForUpdate = findPreference(KEY_CHECK_FOR_UPDATES);
+        Preference betaUpdateChannel = findPreference(KEY_BETA_UPDATE_CHANNEL);
 
         author.setSummary(getString(R.string.settings_about_author_summary).replace('$', '@'));
+        betaUpdateChannel.setDefaultValue(EhApplication.BETA);
 
         author.setOnPreferenceClickListener(this);
         googlePlus.setOnPreferenceClickListener(this);
@@ -65,6 +71,7 @@ public class AboutFragment extends PreferenceFragment
         changelog.setOnPreferenceClickListener(this);
         license.setOnPreferenceClickListener(this);
         donate.setOnPreferenceClickListener(this);
+        checkForUpdate.setOnPreferenceClickListener(this);
 
         enableAnalytics.setOnPreferenceChangeListener(this);
     }
@@ -106,6 +113,8 @@ public class AboutFragment extends PreferenceFragment
                     .setTitle(R.string.settings_about_donate)
                     .setMessage(getString(R.string.settings_about_donate_message).replace('$', '@'))
                     .show();
+        } else if (KEY_CHECK_FOR_UPDATES.equals(key)) {
+            CommonOperations.checkUpdate(getActivity(), true);
         }
         return true;
     }