January 2018 ~ ANDROID TUTORIAL CODE

Wednesday, 31 January 2018

imp xml

January 31, 2018 IMP No comments

style.xml
<resources>


<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">

<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>

<item name="windowNoTitle">true</item>
<item name="windowActionBar">false</item>
<item name="android:windowFullscreen">true</item>
<item name="android:windowContentOverlay">@null</item>

</style>

</resources>

DIMENSION.XML
<resources>

<dimen name="activity_horizontal_margin">16dp</dimen>
<dimen name="activity_vertical_margin">16dp</dimen>
</resources>

DIMENSION W820.XML

<!-- Example customization of dimensions originally defined in res/values/dimens.xml

(such as screen margins) for screens with more than 820dp of available width. This

would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->

</resources>

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: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="com.londonappbrewery.destini.MainActivity"
android:background="@drawable/background">

<TextView
android:id="@+id/storyTextView"
android:text="@string/T1_Story"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:textSize="24sp"
android:textColor="#ffffffff"
/>

<Button
android:id="@+id/buttonTop"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/T1_Ans1"
android:layout_alignParentBottom="true"
android:layout_marginBottom="61dp"
android:background="#e74c3c"
android:textColor="#ecf0f1"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:textSize="15sp"
/>

<Button
android:id="@+id/buttonBottom"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/T1_Ans2"
android:layout_alignParentBottom="true"
android:layout_alignLeft="@+id/buttonTop"
android:layout_alignStart="@+id/buttonTop"
android:layout_alignRight="@+id/buttonTop"
android:layout_alignEnd="@+id/buttonTop"
android:background="#3498db"
android:textColor="#ecf0f1"
android:textSize="15sp"/>

</RelativeLayout>

quiz app type 1

January 18, 2018 ANDROID TUTORIAL CODE No comments

STEPS : FIRST SET ALL XML FILES FOR ALL

COLOUR.XML , DIMESION .XML ,STRING.XML , STYLE.XML

MAIN ACTIVITY .JAVA

package com.example.viraj.quiz;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import static android.widget.Toast.makeText;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
//ToDo Declear constant Here 100/13 =8 approx or u can declear below mquestion bank also
//final int PROGRESS_BAR_INCREMENT=8;
//ToDo Declear membar variable Here
// Member variables accessible in all the methods of the MainActivity:
Button mTrueButton, mFalseButton;
TextView mQuestionTextView;
TextView mScoreTextView;
ProgressBar mProgressBar;
int mIndex;
int mScore;
int mQuestion;
Toast mToastMessage;

//ToDo Uncommnnet to create question bank
// Create question bank using the TrueFalse class for each item in the array
@NonNull
private TrueFalse[] mQuestionBank = new TrueFalse[]{
new TrueFalse(R.string.question_1_1, true),
new TrueFalse(R.string.question_2, true),
new TrueFalse(R.string.question_3, true),
new TrueFalse(R.string.question_4, true),
new TrueFalse(R.string.question_5, true),
new TrueFalse(R.string.question_6, false),
new TrueFalse(R.string.question_7, true),
new TrueFalse(R.string.question_8, false),
new TrueFalse(R.string.question_9, true),
new TrueFalse(R.string.question_10, true),
new TrueFalse(R.string.question_11, false),
new TrueFalse(R.string.question_12, false),
new TrueFalse(R.string.question_13, true)
};
//int[] myIndArray=new int[] {2,4,6};
// math ceil ek function he jo conversion ka kamm kar raha hee double ko singlie me
// Declaring constants here. Rather than a fixed number, choosing to make it a function
// of the length of the question bank (the number of questions)
final int PROGRESS_BAR_INCREMENT = (int) Math.ceil(100.0 / mQuestionBank.length);

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

mTrueButton = findViewById(R.id.true_button);
mFalseButton = findViewById(R.id.false_button);
mQuestionTextView = findViewById(R.id.question_text_view);
mScoreTextView = findViewById(R.id.score);
mProgressBar = findViewById(R.id.progress_bar);

//int element= myIndArray[1];
//type is truefalse ,,, name is first question

//TrueFalse firstQuestion=mQuestionBank[mIndex];
//mQuestion =firstQuestion.getQuestionID();
mQuestion = mQuestionBank[mIndex].getQuestionID();
mQuestionTextView.setText(mQuestion);

mTrueButton.setOnClickListener(this);
mFalseButton.setOnClickListener(this);
}

@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.true_button:
// Toast.makeText(getApplicationContext(), "TRUE", Toast.LENGTH_SHORT).show();
updateQuestion();
checkAnswer(true);
break;
case R.id.false_button:
// Toast.makeText(getApplicationContext(), "FALSE", Toast.LENGTH_SHORT).show();
updateQuestion();
checkAnswer(false);
break;

}
}

private void updateQuestion() {
// This takes the modulus. Not a division. ye bhi use kar sakte he
mIndex=(mIndex+1)%mQuestionBank.length;
mQuestion=mQuestionBank[mIndex].getQuestionID();
mQuestionTextView.setText(mQuestion);

//Present an alert dialog if we reach the end.
if(mIndex == 0) {
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Game Over");
alert.setCancelable(false);
alert.setMessage("You scored " + mScore + " points!");
alert.setPositiveButton("Close Application", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
});
alert.show();
}

mProgressBar.incrementProgressBy(PROGRESS_BAR_INCREMENT);
mScoreTextView.setText("Score " + mScore + "/" + mQuestionBank.length);
}

private void checkAnswer(boolean userSelection) {

boolean correctAnswer = mQuestionBank[mIndex].isAnswer();
//
// Can cancel the Toast message if there is one on screen and a new answer
// has been submitted.
if (mToastMessage != null) {
mToastMessage.cancel();
}

if(userSelection == correctAnswer) {
mToastMessage = makeText(getApplicationContext(), R.string.correct_toast, Toast.LENGTH_SHORT);
mScore = mScore + 1;

} else {
mToastMessage = Toast.makeText(getApplicationContext(), R.string.incorrect_toast, Toast.LENGTH_LONG);
}

mToastMessage.show();
}

// This callback is received when the screen is rotated so we can save the 'state'
// of the app in a 'bundle'.
@Override
public void onSaveInstanceState(Bundle outState){
super.onSaveInstanceState(outState);

outState.putInt("ScoreKey", mScore);
outState.putInt("IndexKey", mIndex);
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

TRUEFALSE.JAVA

package com.example.viraj.quiz;

/**
* Created by viraj on 1/11/2018.
*/
// This is the model class that represents a single quiz question.
public class TrueFalse {

private int mQuestionID;
private boolean mAnswer;
//getter and setter method auto generate
// This is the constructor that will be called when a new quiz question is created.
public TrueFalse(int questionResourceID, boolean trueOrFalse) {
mQuestionID = questionResourceID;
mAnswer = trueOrFalse;
}
//getter and setter auto generate
// This method gives us access to info stored in the (private) question id.
public int getQuestionID() {
return mQuestionID;
}
//getter and setter auto generate
// This method gives us access to info stored in the (private) mAnswer.
public boolean isAnswer() {
return mAnswer;
}

// Not actually using the setters at the moment. Users are not creating questions.

// public void setQuestionID(int questionID) {
// mQuestionID = questionID;
// }

// public void setAnswer(boolean answer) {
// mAnswer = answer;
// }

}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
XML FILE
<?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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.viraj.quiz.MainActivity"
android:background="@color/colorPrimaryDark"
android:orientation="vertical"
>

<TextView
android:id="@+id/question_text_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="50dp"
android:gravity="center"
android:padding="20dp"
android:text="@string/question_1_1"
android:textColor="@color/colourText"
android:textStyle="bold"
android:textSize="30sp"
/>

<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"

android:layout_centerHorizontal="true"
android:layout_above="@id/score"

android:gravity="center"
android:padding="20dp"
android:orientation="horizontal">

<Button
android:id="@+id/true_button"

android:layout_width="150dp"
android:layout_height="wrap_content"
style="@style/buttonStyle"
android:text="@string/true_button"
android:background="@color/colourTrueButton"/>

<Button
android:id="@+id/false_button"

android:layout_width="150dp"
android:layout_height="wrap_content"

style="@style/buttonStyle"
android:text="@string/false_button"
android:background="@color/colourFalseButton"/>

</LinearLayout>

<ProgressBar
android:id="@+id/progress_bar"

android:layout_width="fill_parent"
android:layout_height="wrap_content"

android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
style="@android:style/Widget.ProgressBar.Horizontal"
android:indeterminate="false" />

<TextView
android:id="@+id/score"

android:layout_width="wrap_content"
android:layout_height="wrap_content"

android:layout_above="@id/progress_bar"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"

android:textColor="@color/colourText"
android:textStyle="bold"
android:textSize="25sp"
android:text="@string/initial_score"
android:padding="10dp"/>
</RelativeLayout>

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

COLOUR.XML

<?xml version="1.0" encoding="utf-8"?>

</resources>

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

STYLE.XML

<item name="colorPrimary">@color/colorPrimary</item>

<item name="colorPrimaryDark">@color/colorPrimaryDark</item>

<item name="colorAccent">@color/colorAccent</item>

</style>

<item name="android:textColor">@color/colourText</item>

<item name="android:layout_margin">@dimen/button_spacing_margin</item>

</style>

</resources>

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

DIMESSION

<?xml version="1.0" encoding="utf-8"?>

</resources>

arti type app new line solution

January 15, 2018 ANDROID PROBLEM AND SOLUTION No comments

<resources>
    <string name="app_name">Del</string>
    <string name="hindi">

        <html> जय देव, जय देव, जय शिव मार्तंडा…\n
हरी मदन मल्हारी तूची प्रचंडा…जय देव !\n
\n
जेजुरगड पर्वत शिवलिंगाकार, मृत्युलोकी दुसरे कैलास शिखर,\n
नाना परि ती रचना रचली अपार,\n
त्रयेस्थळी नांदे स्वामी शंकर....जय देव !\n
जय देव, जय देव, जय शिव मार्तंडा…\n
हरी मदन मल्हारी तूची प्रचंडा…जय देव !\n
\n
मणि-मल्ल दैत्य प्रबळ तो झाला,\n
देव-गण-गंधर्व कापति त्याला,\n
हाती तलवार, खडग, त्रिशूळ, भाला,\n
आदि शक्ती म्हाळसा घेउन संगतिला....जय देव !\n
जय देव, जय देव, जय शिव मार्तंडा…\n
हरी मदन मल्हारी तूची प्रचंडा…जय देव !\n
\n
चंपा शष्ठी दिवशी अवतार धरिशी,\n
मणि-मल्ल दैत्यांचा संहार करीशी,\n
चरणी पृष्टि वरति खडग़ स्थापिशी,\n
अंति वर देउनी त्यास मुक्ति दे देशी.....जय देव !\n
जय देव, जय देव, जय शिव मार्तंडा…\n
हरी मदन मल्हारी तूची प्रचंडा…जय देव !\n
\n
मणि-मल्ल दैत्य मर्दुनी मल्हारी,\n
देवा संकट पडता राहे जेजूरी,\n
अर्धांगी म्हाळसा शोभे सुंदरी,\n
देवा ठाव मागे दास नरहरि....जय देव !\n
जय देव, जय देव, जय शिव मार्तंडा…\n
हरी मदन मल्हारी तूची प्रचंडा…जय देव !\n</html>
    </string>
</resources>

or plz check

TextView txtSubTitle = (TextView)findViewById(r.id.txtSubTitle);
txtSubTitle.setText(Html.fromHtml(getResources().getString(R.string.sample_string)));

xylopone android app

January 09, 2018 ANDROID TUTORIAL CODE No comments

MAIN ACTIVITY

package com.example.viraj.xylopone_music;

import android.media.AudioManager;

import android.media.SoundPool;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import java.lang.ref.PhantomReference;

public class MainActivity extends AppCompatActivity {

//HELPFUL CONSTANT

private final int NR_OF_SIMULATANEOUS_SOUND=7;

private final float LEFT_VOLUME=1.0f;

private final float RIGHT_VOLUME=1.0f;

private final int NO_LOOP=0;

private final int PRIORITY=0;

private final float NORMAL_PLAY_RATE=1.0f;

//TODO add MEMBER VARIABLE HERE

private SoundPool mSoundPool;

private int nASoundID;

private int nBSoundID;

private int nCSoundID;

private int nDSoundID;

private int nESoundID;

private int nFSoundID;

private int nGSoundID;

private int nHSoundID;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

//todo create a sound

mSoundPool=new SoundPool(7, AudioManager.STREAM_MUSIC,0);

//todo load and get the id to identify the sound

nASoundID=mSoundPool.load(getApplicationContext(),R.raw.note6_a,1);

nBSoundID=mSoundPool.load(getApplicationContext(),R.raw.note7_b,1);

nCSoundID=mSoundPool.load(getApplicationContext(),R.raw.note1_c,1);

nDSoundID=mSoundPool.load(getApplicationContext(),R.raw.note2_d,1);

nESoundID=mSoundPool.load(getApplicationContext(),R.raw.note3_e,1);

nFSoundID=mSoundPool.load(getApplicationContext(),R.raw.note4_f,1);

nGSoundID=mSoundPool.load(getApplicationContext(),R.raw.note5_g,1);

nHSoundID=mSoundPool.load(getApplicationContext(),R.raw.lst,1);

//todo add the play method triggered by button

}

//todo Add the play method triggered by the button

public void playC(View v)

{

// mSoundPool.play(nASoundID,LEFT_VOLUME,RIGHT_VOLUME,PRIORITY,NO_LOOP,NORMAL_PLAY_RATE); same hi he demo he niche valal

mSoundPool.play(nCSoundID,1.0f,1.0f,0,0,1.0f);

}

public void playD(View v)

{

mSoundPool.play(nDSoundID,LEFT_VOLUME,RIGHT_VOLUME,PRIORITY,NO_LOOP,NORMAL_PLAY_RATE);

}

public void playE(View v)

{

mSoundPool.play(nESoundID,LEFT_VOLUME,RIGHT_VOLUME,PRIORITY,NO_LOOP,NORMAL_PLAY_RATE);

}

public void playF(View v)

{

mSoundPool.play(nFSoundID,LEFT_VOLUME,RIGHT_VOLUME,PRIORITY,NO_LOOP,NORMAL_PLAY_RATE);

}

public void playG(View v)

{

mSoundPool.play(nGSoundID,LEFT_VOLUME,RIGHT_VOLUME,PRIORITY,NO_LOOP,NORMAL_PLAY_RATE);

}

public void playA(View v)

{

mSoundPool.play(nASoundID,LEFT_VOLUME,RIGHT_VOLUME,PRIORITY,NO_LOOP,NORMAL_PLAY_RATE);

}

public void playB(View v)

{

mSoundPool.play(nBSoundID,LEFT_VOLUME,RIGHT_VOLUME,PRIORITY,NO_LOOP,NORMAL_PLAY_RATE);

}

public void playH(View v)

{

mSoundPool.play(nHSoundID,LEFT_VOLUME,RIGHT_VOLUME,PRIORITY,NO_LOOP,NORMAL_PLAY_RATE);

}

XML FILE

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

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

android:orientation="vertical"

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"

tools:context="com.example.viraj.xylopone_music.MainActivity">

<Button

style="@style/KeyStyle"

android:id="@+id/c_key"

android:background="@color/red"

android:onClick="playC"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

<Button style="@style/KeyStyle"

android:background="@color/orange"

android:id="@+id/d_key"

android:onClick="playD"

android:layout_marginLeft="5dp"

android:layout_marginRight="5dp"

android:layout_width="match_parent"

android:layout_height="wrap_content"

<Button style="@style/KeyStyle"

android:id="@+id/e_key"

android:background="@color/yellow"

android:onClick="playE"

android:layout_marginLeft="10dp"

android:layout_marginRight="10dp"

android:layout_width="match_parent"

android:layout_height="wrap_content"

<Button style="@style/KeyStyle"

android:id="@+id/f_key"

android:background="@color/green"

android:onClick="playF"

android:layout_marginLeft="15dp"

android:layout_marginRight="15dp"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

<Button style="@style/KeyStyle"

android:id="@+id/g_key"

android:background="@color/turquoise"

android:onClick="playG"

android:layout_marginLeft="20dp"

android:layout_marginRight="20dp"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

<Button style="@style/KeyStyle"

android:id="@+id/a_key"

android:background="@color/blue"

android:onClick="playA"

android:layout_marginLeft="25dp"

android:layout_marginRight="25dp"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

<Button style="@style/KeyStyle"

android:id="@+id/b_key"

android:background="@color/purple"

android:onClick="playB"

android:layout_marginLeft="30dp"

android:layout_marginRight="30dp"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

<Button style="@style/KeyStyle"

android:background="@color/red"

android:id="@+id/h_key"

android:onClick="playH"

android:layout_marginLeft="35dp"

android:layout_marginRight="35dp"

android:layout_width="match_parent"

android:layout_height="wrap_content"

</LinearLayout>

COLOUR

<?xml version="1.0" encoding="utf-8"?>

</resources>

STYLE

<item name="colorPrimary">@color/colorPrimary</item>

<item name="colorPrimaryDark">@color/colorPrimaryDark</item>

<item name="colorAccent">@color/colorAccent</item>

</style>

</style>

</resources>

Android App Magic Ball 8

January 08, 2018 ANDROID TUTORIAL CODE No comments

Android App Magic Ball 8

package com.example.viraj.magic_8_ball;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.ImageView;

import java.util.Random;

public class MainActivity extends AppCompatActivity {

private Button rollbutton;

private ImageView imageview;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

rollbutton=(Button)findViewById(R.id.id_button);

imageview=(ImageView)findViewById(R.id.id_image);

final int [] arrayimage={

R.drawable.ball1,

R.drawable.ball2,

R.drawable.ball3,

R.drawable.ball4,

R.drawable.ball5

};

rollbutton.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View view) {

Random random=new Random();

int randomnogene=random.nextInt(arrayimage.length);//or int randomnogene=random.nextInt(5);

imageview.setImageResource(arrayimage[randomnogene]);

}

});

}

<?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"

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

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.example.viraj.magic_8_ball.MainActivity"

android:background="#4FC3F7">

<TextView

android:id="@+id/text_id"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentTop="true"

android:layout_centerHorizontal="true"

android:layout_marginTop="40dp"

android:text="@string/txttitle"

android:textAlignment="center"

android:textColor="#E91E63"

android:textSize="20sp"

android:textStyle="bold" />

<ImageView

android:id="@+id/id_image"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerHorizontal="true"

android:layout_centerVertical="true"

app:srcCompat="@drawable/ball1" />

<Button

android:id="@+id/id_button"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@+id/id_image"

android:layout_centerHorizontal="true"

android:layout_marginTop="41dp"

android:shadowColor="#FF5722"

android:textColor="#E91E63"

android:textStyle="bold"

android:text="@string/buttonname" />

</RelativeLayout>

Dice App random number based

January 06, 2018 ANDROID TUTORIAL CODE No comments

package com.example.viraj.diceapp;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

import java.util.Random;

public class MainActivity extends AppCompatActivity {
Button rollbutton;
ImageView leftimage, rightimage;

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

rollbutton = (Button) findViewById(R.id.rollbutton);
leftimage = (ImageView) findViewById(R.id.leftdice);
rightimage = (ImageView) findViewById(R.id.rightdice);

final int[] dicearray = {
R.drawable.dice1,
R.drawable.dice2,
R.drawable.dice3,
R.drawable.dice4,
R.drawable.dice5,
R.drawable.dice6,
};

rollbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {

Random random_nu_generator = new Random();
int random_no = random_nu_generator.nextInt(6);

leftimage.setImageResource(dicearray[random_no]);

int random_no_2 = random_nu_generator.nextInt(6);

rightimage.setImageResource(dicearray[random_no_2]);
}
});
}
}

xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
android:background="@drawable/newbackground"
tools:context="com.example.viraj.diceapp.MainActivity">

<RelativeLayout
android:layout_width="match_parent"
android:layout_height="250dp">

<ImageView
android:id="@+id/logoimage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
app:srcCompat="@drawable/dicee_logo" />
</RelativeLayout>

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

<ImageView
android:id="@+id/leftdice"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
app:srcCompat="@drawable/dice3" />

<ImageView
android:id="@+id/rightdice"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
app:srcCompat="@drawable/dice1" />
</LinearLayout>

<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="@+id/rollbutton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:text="@string/button_text"
android:textStyle="bold"
android:background="#3F51B5"
android:textColor="#FFEB3B"/>

</RelativeLayout>
</LinearLayout>

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