Android Studio Archives - Page 6 of 9

January 11, 2020 Madhusudan Nayak

textswitcher android example using android studio

Hello Guys. Welcome to our new tutorial of textswitcher android example using android studio. this post you can learn how

Android Studio

January 10, 2020 Madhusudan Nayak

pinch to zoom imageview android studio

hello android developer In this android programming code example, we are going the learn how to pinch ImageView to zoom-in

Android Studio

January 10, 2020 Madhusudan Nayak

android simple notification example

XML (activity_main.xml)

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/rl"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp"
       tools:context=".Notification">

    <Button
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:text="Notification" />
</RelativeLayout>

<RelativeLayout

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/rl"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:padding="16dp"

tools:context=".Notification">

<Button

android:id="@+id/btn"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerInParent="true"

android:text="Notification" />

</RelativeLayout>

JAVA (MainActivity.java)

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.app.NotificationManager;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.BitmapFactory;
import android.support.v4.app.NotificationCompat;
import android.view.View;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.graphics.Bitmap;

public class Notification extends AppCompatActivity {
    private Context mContext;
    private Resources mResources;
    private RelativeLayout mRelativeLayout;
    private Button mButton;

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

        mContext = getApplicationContext();
        mResources = getResources();
        mRelativeLayout = (RelativeLayout) findViewById(R.id.rl);
        mButton = (Button) findViewById(R.id.btn);
        mButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                NotificationCompat.Builder builder = new NotificationCompat.Builder(mContext);
                builder.setSmallIcon(R.drawable.android);
                Bitmap bitmap = BitmapFactory.decodeResource(mResources, R.drawable.android);
                builder.setLargeIcon(bitmap);
                builder.setContentTitle("Android Studio Pro");
                builder.setContentText("Learn Android App Development");
                int notificationId = 001;
                NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
                manager.notify(notificationId, builder.build());
            }
        });
    }
}

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.app.NotificationManager;

import android.content.Context;

import android.content.res.Resources;

import android.graphics.BitmapFactory;

import android.support.v4.app.NotificationCompat;

import android.view.View;

import android.widget.Button;

import android.widget.RelativeLayout;

import android.graphics.Bitmap;

public class Notification extends AppCompatActivity {

private Context mContext;

private Resources mResources;

private RelativeLayout mRelativeLayout;

private Button mButton;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_notification);

mContext = getApplicationContext();

mResources = getResources();

mRelativeLayout = (RelativeLayout) findViewById(R.id.rl);

mButton = (Button) findViewById(R.id.btn);

mButton.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View view) {

NotificationCompat.Builder builder = new NotificationCompat.Builder(mContext);

builder.setSmallIcon(R.drawable.android);

Bitmap bitmap = BitmapFactory.decodeResource(mResources, R.drawable.android);

builder.setLargeIcon(bitmap);

builder.setContentTitle("Android Studio Pro");

builder.setContentText("Learn Android App Development");

int notificationId = 001;

NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

manager.notify(notificationId, builder.build());

}

});

}

Android Studio

January 10, 2020 Madhusudan Nayak

make mp3 player in android studio source code

XML (activity_main.xml)

<android.support.constraint.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_gravity="center"
    android:gravity="center"
    android:orientation="vertical"
tools:context=".Mp3MediaPlayer">


    <TextView
        android:id="@+id/textView5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="32dp"
        android:gravity="center"
        android:text="PLAY/STOP SONG.\nSCRUB WITH SEEKBAR"
        android:textStyle="bold"
        app:layout_constraintBottom_toTopOf="@+id/seekbar"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />


    <SeekBar
        android:id="@+id/seekbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_margin="16dp"
        app:layout_constraintBottom_toTopOf="@+id/button"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textView5" />


    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        app:layout_constraintBottom_toTopOf="@+id/seekbar"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />


    <android.support.design.widget.FloatingActionButton
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="16dp"
        android:layout_marginBottom="32dp"
        android:src="@android:drawable/ic_media_play"
        android:text="PLAY SOUND"
        app:layout_constraintBottom_toTopOf="@+id/adView"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/seekbar" />
    
</android.support.constraint.ConstraintLayout>

<android.support.constraint.ConstraintLayout

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:layout_gravity="center"

android:gravity="center"

android:orientation="vertical"

tools:context=".Mp3MediaPlayer">

<TextView

android:id="@+id/textView5"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginTop="32dp"

android:gravity="center"

android:text="PLAY/STOP SONG.\nSCRUB WITH SEEKBAR"

android:textStyle="bold"

app:layout_constraintBottom_toTopOf="@+id/seekbar"

app:layout_constraintEnd_toEndOf="parent"

app:layout_constraintStart_toStartOf="parent"

app:layout_constraintTop_toTopOf="parent" />

<SeekBar

android:id="@+id/seekbar"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:layout_margin="16dp"

app:layout_constraintBottom_toTopOf="@+id/button"

app:layout_constraintEnd_toEndOf="parent"

app:layout_constraintStart_toStartOf="parent"

app:layout_constraintTop_toBottomOf="@+id/textView5" />

<TextView

android:id="@+id/textView"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginBottom="8dp"

app:layout_constraintBottom_toTopOf="@+id/seekbar"

app:layout_constraintEnd_toEndOf="parent"

app:layout_constraintStart_toStartOf="parent" />

<android.support.design.widget.FloatingActionButton

android:id="@+id/button"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_margin="16dp"

android:layout_marginBottom="32dp"

android:src="@android:drawable/ic_media_play"

android:text="PLAY SOUND"

app:layout_constraintBottom_toTopOf="@+id/adView"

app:layout_constraintEnd_toEndOf="parent"

app:layout_constraintStart_toStartOf="parent"

app:layout_constraintTop_toBottomOf="@+id/seekbar" />

</android.support.constraint.ConstraintLayout>

JAVA (MainActivity.java)

import android.content.res.AssetFileDescriptor;
import android.media.MediaPlayer;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;


public class Mp3MediaPlayer extends AppCompatActivity implements Runnable {
    
    MediaPlayer mp3player = new MediaPlayer();
    SeekBar seekBar;
    boolean play = false;
    FloatingActionButton fab;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_mp3_media_player);
       
        fab = findViewById(R.id.button);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                playSong();
            }
        });

        final TextView seekBarHint = findViewById(R.id.textView);
        seekBar = findViewById(R.id.seekbar);
        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
                seekBarHint.setVisibility(View.VISIBLE);
            }
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) {
                seekBarHint.setVisibility(View.VISIBLE);
                int x = (int) Math.ceil(progress / 1000f);
                if (x < 10)
                    seekBarHint.setText("0:0" + x);
                else
                    seekBarHint.setText("0:" + x);
                double percent = progress / (double) seekBar.getMax();
                int offset = seekBar.getThumbOffset();
                int seekWidth = seekBar.getWidth();
                int val = (int) Math.round(percent * (seekWidth - 2 * offset));
                int labelWidth = seekBarHint.getWidth();
                seekBarHint.setX(offset + seekBar.getX() + val
                        - Math.round(percent * offset)
                        - Math.round(percent * labelWidth / 2));
                if (progress > 0 && mp3player != null && !mp3player.isPlaying()) {
                    clearMediaPlayer();
                    fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_play));
                    Mp3MediaPlayer.this.seekBar.setProgress(0);
               }
            }
            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                if (mp3player != null && mp3player.isPlaying()) {
                    mp3player.seekTo(seekBar.getProgress());
                }
            }
        });
    }
    public void playSong() {
        try {
            if (mp3player != null && mp3player.isPlaying()) {
                clearMediaPlayer();
                seekBar.setProgress(0);
                play = true;
                fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_play));
            }
            if (!play) {

                if (mp3player == null) {
                    mp3player = new MediaPlayer();
                }

                fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_pause));
                AssetFileDescriptor descriptor = getAssets().openFd("50_Cal_Shells_Drop.mp3");
                mp3player.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(), descriptor.getLength());
                descriptor.close();
                mp3player.prepare();
                mp3player.setVolume(0.5f, 0.5f);
                mp3player.setLooping(false);
                seekBar.setMax(mp3player.getDuration());
                mp3player.start();
                new Thread(this).start();
            }
            play = false;
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void run() {
        int currentPosition = mp3player.getCurrentPosition();
        int total = mp3player.getDuration();
        while (mp3player != null && mp3player.isPlaying() && currentPosition < total) {
            try {
                Thread.sleep(1000);
                currentPosition = mp3player.getCurrentPosition();
            } catch (InterruptedException e) {
                return;
            } catch (Exception e) {
                return;
            }
            seekBar.setProgress(currentPosition);
        }
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        clearMediaPlayer();
    }

    private void clearMediaPlayer() {
        mp3player.stop();
        mp3player.release();
        mp3player = null;
    }
}

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import android.content.res.AssetFileDescriptor;

import android.media.MediaPlayer;

import android.support.design.widget.FloatingActionButton;

import android.support.v4.content.ContextCompat;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.SeekBar;

import android.widget.TextView;

public class Mp3MediaPlayer extends AppCompatActivity implements Runnable {

MediaPlayer mp3player = new MediaPlayer();

SeekBar seekBar;

boolean play = false;

FloatingActionButton fab;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_mp3_media_player);

fab = findViewById(R.id.button);

fab.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View view) {

playSong();

}

});

final TextView seekBarHint = findViewById(R.id.textView);

seekBar = findViewById(R.id.seekbar);

seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {

@Override

public void onStartTrackingTouch(SeekBar seekBar) {

seekBarHint.setVisibility(View.VISIBLE);

}

@Override

public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) {

seekBarHint.setVisibility(View.VISIBLE);

int x = (int) Math.ceil(progress / 1000f);

if (x < 10)

seekBarHint.setText("0:0" + x);

else

seekBarHint.setText("0:" + x);

double percent = progress / (double) seekBar.getMax();

int offset = seekBar.getThumbOffset();

int seekWidth = seekBar.getWidth();

int val = (int) Math.round(percent * (seekWidth - 2 * offset));

int labelWidth = seekBarHint.getWidth();

seekBarHint.setX(offset + seekBar.getX() + val

- Math.round(percent * offset)

- Math.round(percent * labelWidth / 2));

if (progress > 0 && mp3player != null && !mp3player.isPlaying()) {

clearMediaPlayer();

fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_play));

Mp3MediaPlayer.this.seekBar.setProgress(0);

}

@Override

public void onStopTrackingTouch(SeekBar seekBar) {

if (mp3player != null && mp3player.isPlaying()) {

mp3player.seekTo(seekBar.getProgress());

}

});

}

public void playSong() {

try {

if (mp3player != null && mp3player.isPlaying()) {

clearMediaPlayer();

seekBar.setProgress(0);

play = true;

fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_play));

}

if (!play) {

if (mp3player == null) {

mp3player = new MediaPlayer();

}

fab.setImageDrawable(ContextCompat.getDrawable(Mp3MediaPlayer.this, android.R.drawable.ic_media_pause));

AssetFileDescriptor descriptor = getAssets().openFd("50_Cal_Shells_Drop.mp3");

mp3player.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(), descriptor.getLength());

descriptor.close();

mp3player.prepare();

mp3player.setVolume(0.5f, 0.5f);

mp3player.setLooping(false);

seekBar.setMax(mp3player.getDuration());

mp3player.start();

new Thread(this).start();

}

play = false;

} catch (Exception e) {

e.printStackTrace();

}

public void run() {

int currentPosition = mp3player.getCurrentPosition();

int total = mp3player.getDuration();

while (mp3player != null && mp3player.isPlaying() && currentPosition < total) {

try {

Thread.sleep(1000);

currentPosition = mp3player.getCurrentPosition();

} catch (InterruptedException e) {

return;

} catch (Exception e) {

return;

}

seekBar.setProgress(currentPosition);

}

@Override

protected void onDestroy() {

super.onDestroy();

clearMediaPlayer();

}

private void clearMediaPlayer() {

mp3player.stop();

mp3player.release();

mp3player = null;

}

Android Studio

January 10, 2020 Madhusudan Nayak

How To Make Flashlight Application in Android Studio

hello developer, today I will tell you how to create flashlight application in android studio. every smartphone has a flashlight

Android Studio

January 10, 2020 Madhusudan Nayak

admob rewarded video ads android example

XML (activity_main.xml)

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:ads="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
tools:context=".after32.Rewardvideoads">

    <TextView
        android:id="@+id/text"
        android:gravity="center"
        android:layout_marginTop="50dp"
        android:layout_centerHorizontal="true"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="hello_world" />
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/watch"
        android:text="show"
        android:layout_marginTop="50dp"
        android:layout_below="@+id/text"
        />


</RelativeLayout>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:ads="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".after32.Rewardvideoads">

<TextView

android:id="@+id/text"

android:gravity="center"

android:layout_marginTop="50dp"

android:layout_centerHorizontal="true"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="hello_world" />

<Button

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/watch"

android:text="show"

android:layout_marginTop="50dp"

android:layout_below="@+id/text"

</RelativeLayout>

JAVA (MainActivity.java)

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.MobileAds;
import com.google.android.gms.ads.reward.RewardItem;
import com.google.android.gms.ads.reward.RewardedVideoAd;
import com.google.android.gms.ads.reward.RewardedVideoAdListener;
import com.tutorial.personal.androidstudiopro.R;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;



public class Rewardvideoads extends AppCompatActivity implements RewardedVideoAdListener {
    private Button mWatch;
    private TextView mText;
    private RewardedVideoAd mAd;
    int coin=0;

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

        mWatch=(Button)findViewById(R.id.watch);
        mText=(TextView) findViewById(R.id.text);

        mWatch.setVisibility(View.INVISIBLE);

        mAd= MobileAds.getRewardedVideoAdInstance(this);
        mAd.setRewardedVideoAdListener(this);
        ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
        scheduler.scheduleAtFixedRate(new Runnable() {

            public void run() {
                runOnUiThread(new Runnable() {
                    public void run() {
                        if (!mAd.isLoaded()) {
                            loadAd();
                        } else {
                        }
                    }
                });
            }
        }, 3, 5, TimeUnit.SECONDS);


        mWatch.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if(mAd.isLoaded()){
                    mAd.show();
                }
            }
        });
    }

    public void loadAd(){
        if(!mAd.isLoaded()){
            mAd.loadAd("ca-app-pub-394454099942544/55445917",new AdRequest.Builder().build());
        }
    }



    @Override
    public void onRewardedVideoAdLoaded() {
        mWatch.setVisibility(View.VISIBLE);
        Toast.makeText(this, "Click this button for earn coin", Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onRewardedVideoAdOpened() {
        Toast.makeText(this, "Rewarded Video Ad has opened", Toast.LENGTH_SHORT).show();

    }

    @Override
    public void onRewardedVideoStarted() {
        Toast.makeText(this, "Watch full video for earn Coin", Toast.LENGTH_SHORT).show();

    }

    @Override
    public void onRewardedVideoAdClosed() {
        Toast.makeText(this, "Rewarded Video Ad has closed", Toast.LENGTH_SHORT).show();
        loadAd();
        mWatch.setVisibility(View.INVISIBLE);

    }

    @Override
    public void onRewarded(RewardItem rewardItem) {
         coin=coin+rewardItem.getAmount();
        mText.setText("Your coin : "+coin);
    }

    @Override
    public void onRewardedVideoAdLeftApplication() {
        Toast.makeText(this, "Rewarded Video Ad has closed", Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onRewardedVideoAdFailedToLoad(int i) {

    }

    @Override
    public void onRewardedVideoCompleted() {
    }

    @Override
    public void onPause() {
        super.onPause();
        mAd.pause(this);
    }

    @Override
    public void onResume() {
        super.onResume();
        mAd.resume(this);
        loadAd();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        mAd.destroy(this);
    }

    @Override
    protected void onStart() {
        loadAd();
        super.onStart();
    }
}

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import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.Button;

import android.widget.TextView;

import android.widget.Toast;

import com.google.android.gms.ads.AdRequest;

import com.google.android.gms.ads.MobileAds;

import com.google.android.gms.ads.reward.RewardItem;

import com.google.android.gms.ads.reward.RewardedVideoAd;

import com.google.android.gms.ads.reward.RewardedVideoAdListener;

import com.tutorial.personal.androidstudiopro.R;

import java.util.concurrent.Executors;

import java.util.concurrent.ScheduledExecutorService;

import java.util.concurrent.TimeUnit;

public class Rewardvideoads extends AppCompatActivity implements RewardedVideoAdListener {

private Button mWatch;

private TextView mText;

private RewardedVideoAd mAd;

int coin=0;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_rewardvideoads);

mWatch=(Button)findViewById(R.id.watch);

mText=(TextView) findViewById(R.id.text);

mWatch.setVisibility(View.INVISIBLE);

mAd= MobileAds.getRewardedVideoAdInstance(this);

mAd.setRewardedVideoAdListener(this);

ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();

scheduler.scheduleAtFixedRate(new Runnable() {

public void run() {

runOnUiThread(new Runnable() {

public void run() {

if (!mAd.isLoaded()) {

loadAd();

} else {

}

});

}

}, 3, 5, TimeUnit.SECONDS);

mWatch.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View view) {

if(mAd.isLoaded()){

mAd.show();

}

});

}

public void loadAd(){

if(!mAd.isLoaded()){

mAd.loadAd("ca-app-pub-394454099942544/55445917",new AdRequest.Builder().build());

}

@Override

public void onRewardedVideoAdLoaded() {

mWatch.setVisibility(View.VISIBLE);

Toast.makeText(this, "Click this button for earn coin", Toast.LENGTH_SHORT).show();

}

@Override

public void onRewardedVideoAdOpened() {

Toast.makeText(this, "Rewarded Video Ad has opened", Toast.LENGTH_SHORT).show();

}

@Override

public void onRewardedVideoStarted() {

Toast.makeText(this, "Watch full video for earn Coin", Toast.LENGTH_SHORT).show();

}

@Override

public void onRewardedVideoAdClosed() {

Toast.makeText(this, "Rewarded Video Ad has closed", Toast.LENGTH_SHORT).show();

loadAd();

mWatch.setVisibility(View.INVISIBLE);

}

@Override

public void onRewarded(RewardItem rewardItem) {

coin=coin+rewardItem.getAmount();

mText.setText("Your coin : "+coin);

}

@Override

public void onRewardedVideoAdLeftApplication() {

Toast.makeText(this, "Rewarded Video Ad has closed", Toast.LENGTH_SHORT).show();

}

@Override

public void onRewardedVideoAdFailedToLoad(int i) {

}

@Override

public void onRewardedVideoCompleted() {

}

@Override

public void onPause() {

super.onPause();

mAd.pause(this);

}

@Override

public void onResume() {

super.onResume();

mAd.resume(this);

loadAd();

}

@Override

public void onDestroy() {

super.onDestroy();

mAd.destroy(this);

}

@Override

protected void onStart() {

loadAd();

super.onStart();

}

Android Studio

January 10, 2020 Madhusudan Nayak

How to Make an Android Studio Calling App

XML (activity_main.xml)

<android.support.constraint.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:gravity="center_horizontal|center_vertical"
    >

    <EditText
        android:id="@+id/et_phone_no"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="80dp"
        android:hint="Enter Phone number"
        android:inputType="phone"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/btn_dial"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="80dp"
        android:text="Dial"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/et_phone_no" />


</android.support.constraint.ConstraintLayout>

<android.support.constraint.ConstraintLayout

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/activity_main"

android:orientation="vertical"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

android:paddingBottom="@dimen/activity_vertical_margin"

android:gravity="center_horizontal|center_vertical"

<EditText

android:id="@+id/et_phone_no"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginTop="80dp"

android:hint="Enter Phone number"

android:inputType="phone"

app:layout_constraintEnd_toEndOf="parent"

app:layout_constraintStart_toStartOf="parent"

app:layout_constraintTop_toTopOf="parent" />

<Button

android:id="@+id/btn_dial"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="center_horizontal"

android:layout_marginTop="80dp"

android:text="Dial"

app:layout_constraintEnd_toEndOf="parent"

app:layout_constraintStart_toStartOf="parent"

app:layout_constraintTop_toBottomOf="@+id/et_phone_no" />

</android.support.constraint.ConstraintLayout>

JAVA (MainActivity.java)

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class PhoneCallsactivity extends AppCompatActivity {

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

        Button mDialButton = (Button) findViewById(R.id.btn_dial);
        final EditText mPhoneNoEt = (EditText) findViewById(R.id.et_phone_no);

        mDialButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String phoneNo = mPhoneNoEt.getText().toString();
                if(!TextUtils.isEmpty(phoneNo)) {
                    String dial = "tel:" + phoneNo;
                    startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse(dial)));
                }else {
                    Toast.makeText(PhoneCallsactivity.this, "Enter a phone number", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }
}