How to place a YouTube Video in Your android app

 

Hello Friends

    Welcome back to android tutorials in this post we are going to earn about How to place a YouTube Video in Your android app.

Start new project in android studio.

Specify application name

To play Your YouTube video you need to the internet permission for the application

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

Place YouTube video in Your app You need to add YouTube API. Download and add library in Your project.

    YouTube Android API (Click to Download)

    Extract File

    Now open libs folder

    Copy jar files

    Now open android studio 

        Open project view

        Open app folder

        Paste that jar file inside lib folder and right click then click Add As Library

To play YouTube video then create YouTube API Key.

    Get the API key to submit application package name and SHA1 certificate fingerprint on google developer console.

        Create new project

        Go to credentials option and create API key

        Copy this API key and to add java class in your android project

Go to Activity, then add Custom View select YouTube Player View and to add a Button text as Play

Then following these code

Config.Java

public class Config {

    private static final String YOUTUBE_API_KEY = "Paste Your key....";

    public static String getYoutubeApiKey() {
        return YOUTUBE_API_KEY;
    }

}

MainActivity.Java

import android.os.Bundle;
import android.view.View;
import android.widget.Button;

import com.google.android.youtube.player.YouTubeBaseActivity;
import com.google.android.youtube.player.YouTubeInitializationResult;
import com.google.android.youtube.player.YouTubePlayer;
import com.google.android.youtube.player.YouTubePlayerView;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends YouTubeBaseActivity {


    YouTubePlayerView aYouTubePlayerView;
    Button btnPlay;
    YouTubePlayer.OnInitializedListener mOnInitializedListener;

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

        btnPlay = (Button) findViewById(R.id.btnPlay);
        aYouTubePlayerView = (YouTubePlayerView) findViewById(R.id.youtubeplay);

        mOnInitializedListener = new YouTubePlayer.OnInitializedListener() {
            @Override
            public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer youTubePlayer, boolean b) {

                //Load video list
              /*  List<String> videoList = new ArrayList<>();
                videoList.add("saIqHKolTHc");
                videoList.add("ov8YX9tNyio");
                youTubePlayer.loadVideos(videoList); */

                //play list
                //youTubePlayer.loadPlaylist("PLIFW--Hzc0hbgKs_ZIzMWnElNkHkpsmGP");

                //play video
                youTubePlayer.loadVideo("saIqHKolTHc");
            }

            @Override
            public void onInitializationFailure(YouTubePlayer.Provider provider, YouTubeInitializationResult youTubeInitializationResult) {

            }
        };

        btnPlay.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                aYouTubePlayerView.initialize(Config.getYoutubeApiKey(),mOnInitializedListener);
            }
        });

    }
}

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Android edit text to show the dd-mm-yyyy date format

Add this code your onTextChanged event.


        EditText date;

        date = (EditText)findViewById(R.id.edtDateofbirth);
        date.addTextChangedListener(new TextWatcher() {
            private String current = "";
            private String ddmmyyyy = "DDMMYYYY";
            private Calendar cal = Calendar.getInstance();


            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                if (!s.toString().equals(current)) {
                    String clean = s.toString().replaceAll("[^\\d.]", "");
                    String cleanC = current.replaceAll("[^\\d.]", "");

                    int cl = clean.length();
                    int sel = cl;
                    for (int i = 2; i <= cl && i < 6; i += 2) {
                        sel++;
                    }
                    //Fix for pressing delete next to a forward slash
                    if (clean.equals(cleanC)) sel--;

                    if (clean.length() < 8){
                        clean = clean + ddmmyyyy.substring(clean.length());
                    }else{
                        //This part makes sure that when we finish entering numbers
                        //the date is correct, fixing it otherwise
                        int day  = Integer.parseInt(clean.substring(0,2));
                        int mon  = Integer.parseInt(clean.substring(2,4));
                        int year = Integer.parseInt(clean.substring(4,8));

                        if(mon > 12) mon = 12;
                        cal.set(Calendar.MONTH, mon-1);

                        year = (year<1900)?1900:(year>2100)?2100:year;
                        cal.set(Calendar.YEAR, year);
                        // ^ first set year for the line below to work correctly
                        //with leap years - otherwise, date e.g. 29/02/2012
                        //would be automatically corrected to 28/02/2012

                        day = (day > cal.getActualMaximum(Calendar.DATE))? cal.getActualMaximum(Calendar.DATE):day;
                        clean = String.format("%02d%02d%02d",day, mon, year);
                    }

                    clean = String.format("%s/%s/%s", clean.substring(0, 2),
                            clean.substring(2, 4),
                            clean.substring(4, 8));

                    sel = sel < 0 ? 0 : sel;
                    current = clean;
                    date.setText(current);
                    date.setSelection(sel < current.length() ? sel : current.length());



                }
            }


            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {}

            @Override
            public void afterTextChanged(Editable s) {}
        });

How to add custom notification in android app

Create and Display Notification on Android with Example

import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.support.v7.app.NotificationCompat; import android.view.View; import android.widget.Button; public class NotficationtestActivity extends AppCompatActivity { NotificationCompat.Builder notification; private static final int appuniqueID = 10012; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_notficationtest); notification = new NotificationCompat.Builder(this); notification.setAutoCancel(true); Button btnNotification = (Button) findViewById(R.id.btnNotificationttest); btnNotification.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { //Build the notification notification.setSmallIcon(R.drawable.photo); notification.setTicker("Ticker"); notification.setWhen(System.currentTimeMillis()); notification.setContentTitle("TechProgrammingIdeas"); notification.setContentText("Added new video. Subscribe my channel"); Intent intent = new Intent(NotficationtestActivity.this,NotficationtestActivity.class); PendingIntent pendingIntent = PendingIntent.getActivity(NotficationtestActivity.this,0,intent,PendingIntent.FLAG_UPDATE_CURRENT); notification.setContentIntent(pendingIntent); //Builds notification and issue it NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); nm.notify(appuniqueID,notification.build()); } }); } }

More Details - https://developer.android.com/guide/topics/ui/notifiers/notifications

Program to add two matrices in C

#include<stdio.h>

void main()
{

int a[10][10],b[10][10],c[10][10];
int i,j,m,n,p,q;

printf("Enter the rows and column of first matrix : ");
scanf("%d%d",&m,&n);

printf("Enter the rows and column of second matrix : ");
scanf("%d%d",&p,&q);

if((m==p) && (n==q))
{

printf("Enter first matrix \n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
 scanf("%d",&a[i][j]);
}
}


printf("Enter second matrix \n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
 scanf("%d",&b[i][j]);
}
}


for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
 c[i][j] = a[i][j] + b[i][j];
}
}


printf("Sum of matrix : \n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
 printf(" %d",c[i][j]);
}
printf("\n");
}


}
else
{
  printf("\nInvalid rows and columns\n");
}

}

C program to print two dimensional array

#include<stdio.h>

void main()
{

int a[10][10],i,j,m,n;

printf("Enter size of rows and columns of array : ");
scanf("%d%d",&m,&n);

printf("Enter elements in the array :");

for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
  printf("a[%d][%d] = ",i,j);
  scanf("%d",&a[i][j]);
}
}


printf("Array elements \n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
  printf(" %d",a[i][j]);
}
printf("\n");
}


}

C program for add two one dimensional array

#include<stdio.h>

void main()
{

int a[10],b[10],c[10];
int n,i;

printf("Enter the size : ");
scanf("%d",&n);

printf("Enter first array \n");

for(i=0;i<n;i++)
 scanf("%d",&a[i]);

printf("Enter second array \n");

for(i=0;i<n;i++)
 scanf("%d",&b[i]);


for(i=0;i<n;i++)
 c[i]=a[i]+b[i];

printf("Sum of arrays : ");
for(i=0;i<n;i++)
 printf("\n%d",c[i]);


}