Application can now check if update available

2016-01-30 21:16:30 +01:00
parent 7953ba6e78
commit d7aef2e97a
10 changed files with 358 additions and 10 deletions
@@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.updater;
+
+
+import android.content.Context;
+
+import eu.kanade.tachiyomi.R;
+import eu.kanade.tachiyomi.data.rest.GithubService;
+import eu.kanade.tachiyomi.data.rest.Release;
+import eu.kanade.tachiyomi.data.rest.ServiceFactory;
+import eu.kanade.tachiyomi.util.ToastUtil;
+import rx.Observable;
+
+
+public class UpdateChecker {
+    private final Context context;
+
+    public UpdateChecker(Context context) {
+        this.context = context;
+    }
+
+    /**
+     * Returns observable containing release information
+     *
+     */
+    public Observable<Release> checkForApplicationUpdate() {
+        ToastUtil.showShort(context, context.getString(R.string.update_check_look_for_updates));
+        //Create Github service to retrieve Github data
+        GithubService service = ServiceFactory.createRetrofitService(GithubService.class, GithubService.SERVICE_ENDPOINT);
+        return service.getLatestVersion();
+    }
+}
@@ -0,0 +1,99 @@
+package eu.kanade.tachiyomi.data.updater;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.AsyncTask;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+import javax.inject.Inject;
+
+import eu.kanade.tachiyomi.App;
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper;
+
+public class UpdateDownloader extends AsyncTask<String, Void, Void> {
+    /**
+     * Name of cache directory.
+     */
+    private static final String PARAMETER_CACHE_DIRECTORY = "apk_downloads";
+    /**
+     * Interface to global information about an application environment.
+     */
+    private final Context context;
+    /**
+     * Cache directory used for cache management.
+     */
+    private final File cacheDir;
+    @Inject PreferencesHelper preferencesHelper;
+
+    /**
+     * Constructor of UpdaterCache.
+     *
+     * @param context application environment interface.
+     */
+    public UpdateDownloader(Context context) {
+        App.get(context).getComponent().inject(this);
+        this.context = context;
+
+        // Get cache directory from parameter.
+        cacheDir = new File(preferencesHelper.getDownloadsDirectory(), PARAMETER_CACHE_DIRECTORY);
+
+        // Create cache directory.
+        createCacheDir();
+    }
+
+    /**
+     * Create cache directory if it doesn't exist
+     *
+     * @return true if cache dir is created otherwise false.
+     */
+    @SuppressWarnings("UnusedReturnValue")
+    private boolean createCacheDir() {
+        return !cacheDir.exists() && cacheDir.mkdirs();
+    }
+
+
+    @Override
+    protected Void doInBackground(String... arg0) {
+        try {
+            createCacheDir();
+
+            URL url = new URL(arg0[0]);
+            HttpURLConnection c = (HttpURLConnection) url.openConnection();
+            c.connect();
+
+            File outputFile = new File(cacheDir, "update.apk");
+            if (outputFile.exists()) {
+                //noinspection ResultOfMethodCallIgnored
+                outputFile.delete();
+            }
+            FileOutputStream fos = new FileOutputStream(outputFile);
+
+            InputStream is = c.getInputStream();
+
+            byte[] buffer = new byte[1024];
+            int len1;
+            while ((len1 = is.read(buffer)) != -1) {
+                fos.write(buffer, 0, len1);
+            }
+            fos.close();
+            is.close();
+
+            // Prompt install interface
+            Intent intent = new Intent(Intent.ACTION_VIEW);
+            intent.setDataAndType(Uri.fromFile(outputFile), "application/vnd.android.package-archive");
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // without this flag android returned a intent error!
+            context.startActivity(intent);
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}
+