Pupli – Page 161

Generating a new SSH key pair for GitLab on Linux

February 4, 2017 - by mahmood

ssh-keygen -t rsa -C "GitLab" -b 4096

copy the public key

xclip -sel clip < ~/.ssh/id_rsa.pub

Change GitLab Port

February 4, 2017 - by mahmood

nano /etc/gitlab/gitlab.rb

Change external_url from yourdomain.com to yourdomain.com:9999

gitlab-ctl reconfigure

References
http://serverfault.com/questions/585528/set-gitlab-external-web-port-number

Install GitLab on Ubuntu 16.04

February 4, 2017 - by mahmood

sudo apt-get install curl openssh-server ca-certificates postfix

curl -sS https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | sudo bash
sudo apt-get install gitlab-ce

sudo gitlab-ctl reconfigure

References
https://about.gitlab.com/downloads/#ubuntu1604

Android Working with TimePickerDialog

February 3, 2017 - by mahmood

CustomTimePickerDialog.java

public class CustomTimePickerDialog extends DialogFragment {
    @NonNull
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {

        Calendar calendar= Calendar.getInstance();
        int hour=calendar.get(Calendar.HOUR_OF_DAY);
        int minute=calendar.get(Calendar.MINUTE);

        TimePickerDialog timePickerDialog=new TimePickerDialog(getContext(), new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                String time=String.format("%s:%s",hourOfDay,minute);
                Toast.makeText(getContext(),time,Toast.LENGTH_LONG).show();
            }
        },hour,minute,false);

        return timePickerDialog;
    }
}

MainActivity.java

public class MainActivity extends AppCompatActivity {

    Button buttonShow;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        buttonShow= (Button) findViewById(R.id.buttonShow);

        buttonShow.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                CustomTimePickerDialog customTimePickerDialog=new CustomTimePickerDialog();
                customTimePickerDialog.show(getSupportFragmentManager(),"customDialog1");
            }
        });
    }
}

References
https://github.com/mhdr/AndroidSamples/tree/master/018

Android Working with TimePicker

February 3, 2017 - by mahmood

fragment_custom_time_picker_dialog.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="iterator.ir.a017.CustomTimePickerDialogFragment">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TimePicker
            android:id="@+id/timePickerMain"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:timePickerMode="spinner">
        </TimePicker>

        <Button
            android:id="@+id/buttonDone"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/done"/>

    </LinearLayout>

</FrameLayout>

CustomTimePickerDialogFragment.java

public class CustomTimePickerDialogFragment extends DialogFragment {

    private OnCustomTimePickerClickListener mListener;
    Button buttonDone;
    TimePicker timePickerMain;

    public CustomTimePickerDialogFragment() {

    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        View view=inflater.inflate(R.layout.fragment_custom_time_picker_dialog, null);

        buttonDone= (Button) view.findViewById(R.id.buttonDone);
        timePickerMain= (TimePicker) view.findViewById(R.id.timePickerMain);

        buttonDone.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mListener != null) {
                    mListener.onCustomTimePickerClick(timePickerMain);
                }

                dismiss();
            }
        });

        return view;
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof OnCustomTimePickerClickListener) {
            mListener = (OnCustomTimePickerClickListener) context;
        } else {
            throw new RuntimeException(context.toString()
                    + " must implement OnCustomTimePickerClickListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    public interface OnCustomTimePickerClickListener {
        void onCustomTimePickerClick(View view);
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="iterator.ir.a017.MainActivity">

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="25dp"
        android:id="@+id/buttonShow"
        android:text="@string/show" />
</RelativeLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity implements CustomTimePickerDialogFragment.OnCustomTimePickerClickListener {

    Button buttonShow;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        buttonShow= (Button) findViewById(R.id.buttonShow);

        buttonShow.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                CustomTimePickerDialogFragment customTimePickerDialogFragment=new CustomTimePickerDialogFragment();
                customTimePickerDialogFragment.show(getSupportFragmentManager(),"customDialog1");
            }
        });
    }

    @Override
    public void onCustomTimePickerClick(View view) {
        TimePicker timePickerMain= (TimePicker) view;

        String time=String.format("%s:%s",timePickerMain.getCurrentHour(),timePickerMain.getCurrentMinute());
        Toast.makeText(getBaseContext(),time,Toast.LENGTH_LONG).show();
    }
}

References

https://github.com/mhdr/AndroidSamples/tree/master/017

Android Working with DialogFragment

February 3, 2017 - by mahmood

fragment_custom_dialog.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="iterator.ir.a016.CustomDialogFragment">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="20dp"
        android:paddingBottom="30dp">

        <TextView
            android:id="@+id/textViewMessage"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/dialog_msg"
            android:gravity="center"/>

        <LinearLayout
            android:layout_below="@id/textViewMessage"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            android:layout_marginTop="10dp"
            android:gravity="center">
            <Button
                android:id="@+id/buttonNo"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/no"
                android:layout_marginRight="10dp"
                android:layout_marginEnd="10dp"/>

            <Button
                android:id="@+id/buttonYes"
                android:layout_marginLeft="10dp"
                android:layout_marginStart="10dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/yes"/>
        </LinearLayout>
        
    </RelativeLayout>

</FrameLayout>

CustomDialogFragment.java

public class CustomDialogFragment extends DialogFragment {

    private OnCustomDialogButtonClickListener mListener;

    Button buttonNo;
    Button buttonYes;

    public CustomDialogFragment() {

    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        View view=inflater.inflate(R.layout.fragment_custom_dialog, null);


        buttonNo= (Button) view.findViewById(R.id.buttonNo);
        buttonYes= (Button) view.findViewById(R.id.buttonYes);

        buttonNo.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                if (mListener != null) {
                    mListener.onCustomDialogClick(v);
                }

                dismiss();
            }
        });

        buttonYes.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                if (mListener != null) {
                    mListener.onCustomDialogClick(v);
                }

                dismiss();
            }
        });

        setCancelable(false);
        return view;
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof OnCustomDialogButtonClickListener) {
            mListener = (OnCustomDialogButtonClickListener) context;
        } else {
            throw new RuntimeException(context.toString()
                    + " must implement OnCustomDialogButtonClickListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    public interface OnCustomDialogButtonClickListener {
        void onCustomDialogClick(View view);
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="iterator.ir.a016.MainActivity">


    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:id="@+id/buttonShow"
        android:text="@string/show" />
</RelativeLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity implements CustomDialogFragment.OnCustomDialogButtonClickListener {

    Button buttonShow;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        buttonShow= (Button) findViewById(R.id.buttonShow);

        buttonShow.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                CustomDialogFragment customDialogFragment=new CustomDialogFragment();
                customDialogFragment.show(getSupportFragmentManager(),"customDialog1");
            }
        });
    }

    @Override
    public void onCustomDialogClick(View view) {
        switch (view.getId())
        {
            case R.id.buttonNo:
                Toast.makeText(this,"No",Toast.LENGTH_LONG).show();
                break;
            case R.id.buttonYes:
                Toast.makeText(this,"Yes",Toast.LENGTH_LONG).show();
        }
    }
}

References
https://github.com/mhdr/AndroidSamples/tree/master/016

Android ListView with Custom Adapter

February 2, 2017 - by mahmood

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/black"
    tools:context="iterator.ir.a015.MainActivity">

    <ListView
        android:id="@+id/listViewMovies"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />
</RelativeLayout>

listview_custom_row.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent" android:layout_height="wrap_content"
    android:background="@color/black">

    <ImageView
        android:layout_width="100dp"
        android:layout_height="75dp"
        app:srcCompat="@drawable/movie01"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:id="@+id/imageViewRow"
        android:paddingTop="5dp"
        android:paddingBottom="5dp"/>

    <TextView
        android:text="Title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:layout_toRightOf="@+id/imageViewRow"
        android:layout_toEndOf="@+id/imageViewRow"
        android:layout_marginLeft="15dp"
        android:layout_marginStart="15dp"
        android:maxWidth="150dp"
        android:id="@+id/textViewMovieTitle"
        android:gravity="center_vertical"
        android:textColor="@color/white"/>

    <TextView
        android:text="Rating"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:id="@+id/textViewRating"
        android:layout_marginRight="20dp"
        android:textColor="@color/white"/>

    <TextView
        android:text="Year"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:layout_toLeftOf="@id/textViewRating"
        android:layout_toStartOf="@+id/textViewRating"
        android:id="@+id/textViewYear"
        android:layout_marginRight="5dp"
        android:textColor="@color/white"/>

    <View
        android:layout_width="match_parent"
        android:layout_height="2dp"
        android:background="#343236"
        android:layout_below="@id/imageViewRow"></View>

</RelativeLayout>

MovieDataProvider.java

public class MovieDataProvider {
    public int Poster;
    public String Title;
    public String Year;
    public String Rating;


    public MovieDataProvider(int poster,String title,String year,String rating)
    {
        this.Poster=poster;
        this.Title=title;
        this.Year=year;
        this.Rating=rating;
    }
}

MovieAdapter.java

public class MovieAdapter extends ArrayAdapter<MovieDataProvider> {

    public MovieAdapter(Context context, int resource) {
        super(context, resource);
    }

    @NonNull
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        View view=convertView;

        if (view==null)
        {
            LayoutInflater layoutInflater=LayoutInflater.from(getContext());
            view=layoutInflater.inflate(R.layout.listview_custom_row,parent,false);
        }

        MovieDataProvider currentMovie=this.getItem(position);

        if (currentMovie!=null)
        {
            ImageView imageViewRow= (ImageView) view.findViewById(R.id.imageViewRow);
            TextView textViewMovieTitle= (TextView) view.findViewById(R.id.textViewMovieTitle);
            TextView textViewMovieYear= (TextView) view.findViewById(R.id.textViewYear);
            TextView textViewMovieRating= (TextView) view.findViewById(R.id.textViewRating);

            String year= String.format("(%s)",currentMovie.Year);

            imageViewRow.setImageResource(currentMovie.Poster);
            textViewMovieTitle.setText(currentMovie.Title);
            textViewMovieYear.setText(year);
            textViewMovieRating.setText(currentMovie.Rating);
        }

        return view;
    }
}

MainActivity.java

public class MainActivity extends AppCompatActivity {

    ListView listViewMovies;
    MovieAdapter movieAdapter;

    int[] posters={
            R.drawable.movie01,
            R.drawable.movie02,
            R.drawable.movie03,
            R.drawable.movie04,
            R.drawable.movie05,
            R.drawable.movie06,
            R.drawable.movie07,
            R.drawable.movie08,
            R.drawable.movie09,
            R.drawable.movie10
    };

    String[] titles;
    String[] years;
    String[] ratings;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        listViewMovies= (ListView) findViewById(R.id.listViewMovies);

        titles=getResources().getStringArray(R.array.movie_titles);
        years=getResources().getStringArray(R.array.movie_years);
        ratings=getResources().getStringArray(R.array.movie_ratings);

        movieAdapter=new MovieAdapter(getApplicationContext(),R.layout.listview_custom_row);

        for (int i=0;i<10;i++)
        {
            MovieDataProvider movieDataProvider=new MovieDataProvider(posters[i],titles[i],
                    years[i],ratings[i]);

            movieAdapter.add(movieDataProvider);
        }

        listViewMovies.setAdapter(movieAdapter);
    }
}

References
https://github.com/mhdr/AndroidSamples/tree/master/015
http://stackoverflow.com/questions/8166497/custom-adapter-for-list-view

Kazam PPA

February 1, 2017 - by mahmood

sudo add-apt-repository ppa:kazam-team/stable-series
sudo apt-get update

SimpleScreenRecorder PPA

February 1, 2017 - by mahmood

sudo add-apt-repository ppa:maarten-baert/simplescreenrecorder
sudo apt-get update
sudo apt-get install simplescreenrecorder
# if you want to record 32-bit OpenGL applications on a 64-bit system:
sudo apt-get install simplescreenrecorder-lib:i386

References
http://www.maartenbaert.be/simplescreenrecorder/

A Problem has been detected with your thumbnail cache.Fixing it will require administrative priviliges

January 31, 2017 - by mahmood

sudo nemo --fix-cache

References
http://askubuntu.com/questions/673739/a-problem-has-been-detected-with-your-thumbnail-cache-fixing-it-will-require-ad