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app/src/main/java/pmv02/ppr/yuichi10/github/com/joinevents/BitmapAdapter.java

@@ -36,8 +36,6 @@ public View getView(int position, View convertView, ViewGroup parent) {
             convertView = inflater.inflate(resourceId, null);
         }
 
-
-
         ImageView view = (ImageView) convertView;
         view.setImageBitmap(getItem(position));
 

app/src/main/java/pmv02/ppr/yuichi10/github/com/joinevents/Gps.java

@@ -6,7 +6,6 @@
 import android.location.LocationListener;
 import android.location.LocationManager;
 import android.os.Bundle;
-import android.util.Log;
 
 /**
  * Created by yuichi on 8/24/15.
@@ -27,24 +26,32 @@ public class Gps implements LocationListener {
     //get the place or not
     boolean isGetPlace = false;
 
+    //set interface for call back
     public interface GetPlaceCallBack{
         public void isGetPlaceCB(double lon, double lat);
     }
     private GetPlaceCallBack _mGetPlaceCallBack;
 
+    //set call backs
     public void setCallbacks(GetPlaceCallBack getPlaceCallBack){
         _mGetPlaceCallBack = getPlaceCallBack;
     }
 
+    //Constructor
     public Gps(Context context){
+        //set context
         this.mContext = context;
+        //make criteria
         mCriteria = new Criteria();
     }
 
     //setProvider
     public void setProvider(){
+        //set how power they use
         mCriteria.setPowerRequirement(Criteria.POWER_LOW);
+        //set how much accuracy
         mCriteria.setAccuracy(Criteria.ACCURACY_COARSE);
+        //get provider name from conditions
         mProvider = mLocationManager.getBestProvider(mCriteria, true);
     }
 
@@ -57,27 +64,29 @@ public void startGps(){
         mLocationManager = (LocationManager)mContext.getSystemService(Context.LOCATION_SERVICE);
         setProvider();
         mLocationManager.requestLocationUpdates(mProvider, 0, 0, this);
-        Log.d("aaa","start");
     }
 
     //stop to get place
     public void stopGps(){
         mLocationManager.removeUpdates(this);
     }
 
+    //give the value of longitude
     public double getLongitude(){
         return mLongitude;
     }
 
+    //give the value of latitude
     public double getLatitude(){
         return mLatitude;
     }
 
     @Override
     public void onLocationChanged(Location location) {
+        //set coordinate
         mLongitude = location.getLongitude();
         mLatitude  = location.getLatitude();
-        Log.d("aaa","changed");
+        //call callback function
         _mGetPlaceCallBack.isGetPlaceCB(mLongitude, mLatitude);
     }
 

app/src/main/java/pmv02/ppr/yuichi10/github/com/joinevents/Home.java

@@ -93,15 +93,13 @@ public void isGetPlaceCB(double lon, double lat){
         mGps.stopGps();
         this.mLongitude = lon;
         this.mLatitude  = lat;
-        Log.d("aaa", "success");
         showList();
     }
 
     @Override
     public void onClick(View v) {
         switch (v.getId()){
             case R.id.homeMakeGrope:
-                Log.d("aa","aa");
                 String className = ".MakeGroup";
                 Intent intent = new Intent();
                 intent.setClassName(SignIn.packageName, SignIn.packageName + className);

app/src/main/java/pmv02/ppr/yuichi10/github/com/joinevents/SignIn.java

@@ -14,8 +14,10 @@
 import java.security.NoSuchAlgorithmException;
 
 public class SignIn extends ActionBarActivity implements View.OnClickListener{
+    //edit text for id and password
     EditText idSignIn;
     EditText passwordSignIn;
+    //the path of this application
     static String packageName = "pmv02.ppr.yuichi10.github.com.joinevents";
 
     @Override

app/src/main/java/pmv02/ppr/yuichi10/github/com/joinevents/SignUP.java

@@ -28,19 +28,22 @@ public class SignUP extends Activity implements View.OnClickListener{
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.sign_up);
-        Log.d("Intent", "success");
         Intent intent = getIntent();
 
+        //the button when user try to choose images
         Button thumbnail = (Button)findViewById(R.id.signUpGetImage);
         thumbnail.setOnClickListener(this);
 
         //set email width. try not to change width
         email = (EditText)findViewById(R.id.signUpEmail_e);
         email.setWidth(email.getWidth());
+        //set password width. not to change width
         password1 = (EditText)findViewById(R.id.signUpPassword_e);
         password1.setWidth(password1.getWidth());
+        //set password width. not to change width
         password2 = (EditText)findViewById(R.id.signUpPassword2_e);
         password2.setWidth(password2.getWidth());
+        //set name width. not to change width
         name = (EditText)findViewById(R.id.signUpName_e);
         name.setWidth(name.getWidth());
     }
@@ -79,7 +82,7 @@ public void onClick(View v) {
         switch (v.getId()){
             //when select image button was pushed
             case R.id.signUpGetImage:
-                //go to ThumbnailImage activity
+                //go to ThumbnailImage activity. get answer when next activity is finished
                 Intent intent = new Intent();
                 intent.setClassName(SignIn.packageName, SignIn.packageName + ".ThumbnailImage");
                 startActivityForResult(intent, this.mRequestCode);

app/src/main/java/pmv02/ppr/yuichi10/github/com/joinevents/ThumbnailImage.java

@@ -20,8 +20,11 @@
  * Created by yuichi on 8/20/15.
  */
 public class ThumbnailImage extends Activity implements AdapterView.OnItemClickListener, AbsListView.OnScrollListener{
-    ArrayList<String>imageMap = new ArrayList<String>();
+    //set thumbnails path
+    ArrayList<String>imagePaths = new ArrayList<String>();
+    //set bitmap image of thumbnail
     ArrayList<Bitmap>imageList = new ArrayList<Bitmap>();
+    //
     Cursor cursor;
     ContentResolver resolver;
     BitmapAdapter adapter;
@@ -53,15 +56,22 @@ public void onCreate(Bundle savedInstanceState) {
 
     private void getThumbnail(){
         int i = 0;
+        //get current position
         cursor.getPosition();
+        //move to first
         if(cursor.moveToFirst()){
             do{
+                //get id and path
                 long idImage = cursor.getLong(cursor.getColumnIndex(MediaStore.Images.Media._ID));
                 String pathImage = cursor.getString(cursor.getColumnIndex(MediaStore.Images.Media.DATA));
-                imageMap.add(pathImage);
+                //add image path to imagePaths
+                imagePaths.add(pathImage);
                 Bitmap bmp = MediaStore.Images.Thumbnails.getThumbnail(resolver,idImage,MediaStore.Images.Thumbnails.MINI_KIND,null);
                 Log.v("aa",cursor.getPosition() + "");
+                //set thumbnail bitmap to imageList
                 imageList.add(bmp);
+                //now just show 40 picture
+                //coz if set everything the memory will break
                 i++;
                 if(i == 40){
                     break;
@@ -74,18 +84,18 @@ private void getThumbnail(){
         gridView.setAdapter(adapter);
     }
 
+    //when the thumbnail picture are selected
     @Override
     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
         Intent intent = new Intent();
         Log.d("aa", imageList.get(position)+"");
         //I do not know but I can not set bmp image
         //thus now I set images url
-        intent.putExtra("key", imageMap.get(position));
+        intent.putExtra("key", imagePaths.get(position));
         setResult(Activity.RESULT_OK, intent);
         finish();
     }
 
-
     @Override
     public void onScrollStateChanged(AbsListView view, int scrollState) {