Merge branch 'master' into dependency-injection

app/src/main/java/fr/free/nrw/commons/Utils.java

@@ -2,18 +2,22 @@ package fr.free.nrw.commons;
 
 import android.content.Context;
 import android.preference.PreferenceManager;
+import android.support.annotation.NonNull;
 
 import org.apache.commons.codec.binary.Hex;
 import org.apache.commons.codec.digest.DigestUtils;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import fr.free.nrw.commons.auth.LoginActivity;
 import fr.free.nrw.commons.settings.Prefs;
+import timber.log.Timber;
 
 public class Utils {
 
@@ -33,7 +37,7 @@ public class Utils {
         }
     }
 
-    public static String makeThumbBaseUrl(String filename) {
+    public static String makeThumbBaseUrl(@NonNull String filename) {
         String name = new PageTitle(filename).getPrefixedText();
         String sha = new String(Hex.encodeHex(DigestUtils.md5(name)));
         return String.format("%s/%s/%s/%s", BuildConfig.IMAGE_URL_BASE, sha.substring(0, 1), sha.substring(0, 2), urlEncode(name));
@@ -89,4 +93,37 @@ public class Utils {
     public static boolean isDarkTheme(Context context) {
         return PreferenceManager.getDefaultSharedPreferences(context).getBoolean("theme", false);
     }
+
+    /**
+     * Will be used to fetch the logs generated by the app ever since the beginning of times....
+     * i.e. since the time the app started.
+     *
+     * @return String containing all the logs since the time the app started
+     */
+    public static String getAppLogs() {
+        final String processId = Integer.toString(android.os.Process.myPid());
+
+        StringBuilder stringBuilder = new StringBuilder();
+
+        try {
+            String[] command = new String[] {"logcat","-d","-v","threadtime"};
+
+            Process process = Runtime.getRuntime().exec(command);
+
+            BufferedReader bufferedReader = new BufferedReader(
+                    new InputStreamReader(process.getInputStream())
+            );
+
+            String line;
+            while ((line = bufferedReader.readLine()) != null) {
+                if (line.contains(processId)) {
+                    stringBuilder.append(line);
+                }
+            }
+        } catch (IOException ioe) {
+            Timber.e("getAppLogs failed", ioe);
+        }
+
+        return stringBuilder.toString();
+    }
 }