Merge pull request #32 from jogrimst/master

#31 Create StudentUpdateReceiver

app/src/main/AndroidManifest.xml

@@ -14,8 +14,20 @@
             android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <receiver
+            android:name=".receiver.StudentUpdateReceiver"
+            android:enabled="true"
+            android:exported="true">
+
+            <intent-filter>
+                <action android:name="literacyapp.intent.action.STUDENT_UPDATED" />
+            </intent-filter>
+        </receiver>
     </application>
-</manifest>
+
+</manifest>

app/src/main/java/org/literacyapp/chat/MessageListArrayAdapter.java

@@ -1,6 +1,11 @@
 package org.literacyapp.chat;
 
 import android.content.Context;
+import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.preference.PreferenceManager;
+import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -10,7 +15,9 @@
 import android.widget.TextView;
 
 import org.literacyapp.chat.model.Message;
+import org.literacyapp.chat.receiver.StudentUpdateReceiver;
 
+import java.io.File;
 import java.util.List;
 
 public class MessageListArrayAdapter extends ArrayAdapter<Message> {
@@ -51,6 +58,16 @@ public View getView(int position, View convertView, ViewGroup parent) {
         ViewHolder viewHolder = (ViewHolder) listItem.getTag();
         viewHolder.textViewListItem.setText(message.getText());
 
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        String studentAvatar = sharedPreferences.getString(StudentUpdateReceiver.PREF_STUDENT_AVATAR, null);
+        if (!TextUtils.isEmpty(studentAvatar)) {
+            File file = new File(studentAvatar);
+            if (file.exists()) {
+                Bitmap bitmap = BitmapFactory.decodeFile(file.getAbsolutePath());
+                viewHolder.imageViewAvatar.setImageBitmap(bitmap);
+            }
+        }
+
         return listItem;
     }
 }

app/src/main/java/org/literacyapp/chat/receiver/StudentUpdateReceiver.java

@@ -0,0 +1,36 @@
+package org.literacyapp.chat.receiver;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.text.TextUtils;
+import android.util.Log;
+
+public class StudentUpdateReceiver extends BroadcastReceiver {
+
+    public static final String PREF_STUDENT_ID = "pref_student_id";
+    public static final String PREF_STUDENT_AVATAR = "pref_student_avatar";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Log.i(getClass().getName(), "onReceive");
+
+        String studentId = intent.getStringExtra("studentId");
+        Log.i(getClass().getName(), "studentId: " + studentId);
+
+        String studentAvatar = intent.getStringExtra("studentAvatar");
+        Log.i(getClass().getName(), "studentAvatar: " + studentAvatar);
+
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+
+        if (!TextUtils.isEmpty(studentId)) {
+            sharedPreferences.edit().putString(PREF_STUDENT_ID, studentId).commit();
+        }
+
+        if (!TextUtils.isEmpty(studentAvatar)) {
+            sharedPreferences.edit().putString(PREF_STUDENT_AVATAR, studentAvatar).commit();
+        }
+    }
+}