rate us button android code

try {
    startActivity(new Intent(Intent.ACTION_VIEW,
            Uri.parse("market://details?id=com.google.android.googlequicksearchbox")));
}catch (ActivityNotFoundException e)
{
    startActivity(new Intent(Intent.ACTION_VIEW,
            Uri.parse("https://play.google.com/store/apps/details?id=com.google.android.googlequicksearchbox")));
}

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share button android studio

    i = new Intent(Intent.ACTION_SEND);
i.setType("text/plain");
String shareBody="Downdload Arti Sangrah Here";
String shareSub="Arti Sangrah";

                i.putExtra(Intent.EXTRA_SUBJECT,shareBody);
                i.putExtra(Intent.EXTRA_TEXT,shareSub);
                startActivity(Intent.createChooser(i,"SHARE USING"));
                break;

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read string value from resource

https://www.dev2qa.com/how-to-read-string-value-array-from-strings-xml-in-android/

<resources>

    <string name="button_show_selection">Show Selection</string>

    <string name="auto_complete_text_view_car">Input Favorite Car Name</string>

</resources>

String defaultInputText = getResources().getString(R.string.auto_complete_text_view_car);

Define a string array in strings.xml use string-array xml element.
<resources>
    <string name="button_show_selection">Show Selection</string>

    <string name="auto_complete_text_view_car">Input Favorite Car Name</string>

    <string-array name="car_array">
        <item>Audi</item>
        <item>BMW</item>
        <item>Benz</item>
        <item>Ford</item>
        <item>Toyota</item>
        <item>Tesla</item>
        <item>Honda</item>
        <item>Hyundai</item>
    </string-array>

</resources>

Read the string array in java source code. Please note car_array is just the string array name defined in strings.xml.
String carArr[] = getResources().getStringArray(R.array.car_array);

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intent data passing example

down vote

In your current Activity, create a new Intent:

String value="Hello world";
Intent i = new Intent(CurrentActivity.this, NewActivity.class);    
i.putExtra("key",value);
startActivity(i);

Then in the new Activity, retrieve those values:

Bundle extras = getIntent().getExtras();
if (extras != null) {
    String value = extras.getString("key");
    //The key argument here must match that used in the other activity
}

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Arti App

• xml file 

• <?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"
      tools:context=".MainActivity">
  
      <ScrollView
          android:layout_width="match_parent"
          android:layout_height="match_parent">
  
          <LinearLayout
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical">
  
              <TextView
                  android:layout_width="match_parent"
                  android:layout_height="240dp"
                  android:background="@drawable/banner"
                  android:gravity="bottom"
                  android:textAlignment="center" />
  <!--FIRST ROW START     FIRST ROW START             FIRST ROW START                FIRST ROW START                    FIRST ROW START               FIRST ROW START           -->
              <LinearLayout
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:orientation="horizontal"
                  android:weightSum="3">
  
                  <LinearLayout
                      android:id="@+id/one"
                      android:layout_width="0dp"
                      android:layout_height="120dp"
                      android:layout_margin="2dp"
                      android:layout_weight="1"
                      android:background="@color/colorGrapeFruit"
                      android:orientation="vertical">
  
                      <ImageView
                          android:layout_width="60dp"
                          android:layout_height="60dp"
                          android:layout_gravity="center"
                          android:layout_marginTop="20dp"
                          android:src="@drawable/tt"
                          android:tint="@color/colorWhite" />
  ye dusre type ke image ke liye
                      <TextView
                          android:layout_width="match_parent"
                          android:layout_height="match_parent"
                          android:background="@color/colorGrapeFruitDark"
                          android:padding="8dp"
                          android:text="Durga ji"
                          android:textAlignment="center"
                          android:textColor="@color/colorWhite"
                          android:textSize="18dp" />
                  </LinearLayout>
                  <!--sec-->
                  <LinearLayout
                      android:id="@+id/two"
                      android:layout_width="0dp"
                      android:layout_height="120dp"
                      android:layout_margin="2dp"
                      android:layout_weight="1"
                      android:background="@color/colorBitterSweet"
                      android:orientation="vertical">
  
                      <ImageView
                          android:layout_width="30dp"
                          android:layout_height="30dp"
                          android:layout_gravity="center"
                          android:layout_marginTop="20dp"
                          android:src="@drawable/ic_77_essential_icons_diary"
                          android:tint="@color/colorWhite"
                          />
  
                      <TextView
                          android:layout_width="match_parent"
                          android:layout_height="match_parent"
                          android:layout_marginTop="30dp"
                          android:background="@color/colorBitterSweetDark"
                          android:padding="8dp"
                          android:text="Ganesh ji marathoi"
                          android:textAlignment="center"
                          android:textColor="@color/colorWhite"
                          android:textSize="18dp" />
                  </LinearLayout>
  
  <!--comp-->
  
                  <!--THIRD-->
                  <LinearLayout
                      android:id="@+id/three"
                      android:layout_width="0dp"
                      android:layout_height="120dp"
                      android:layout_margin="2dp"
                      android:layout_weight="1"
                      android:background="@color/colorFlower"
                      android:orientation="vertical">
  
                      <ImageView
                          android:layout_width="30dp"
                          android:layout_height="30dp"
                          android:layout_gravity="center"
                          android:layout_marginTop="20dp"
                          android:src="@drawable/ic_77_essential_icons_credit_card"
                          android:tint="@color/colorWhite"
                          />
  
                      <TextView
                          android:layout_width="match_parent"
                          android:layout_height="match_parent"
                          android:layout_marginTop="30dp"
                          android:background="@color/colorFlowerDark"
                          android:padding="8dp"
                          android:text="karpur gavram"
                          android:textAlignment="center"
                          android:textColor="@color/colorWhite"
                          android:textSize="18dp" />
                  </LinearLayout>

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

  <resources>
      <color name="colorPrimary">#dd3333</color>
      <color name="colorPrimaryDark">#d11616</color>
      <color name="colorAccent">#ff4081</color>
      <color name="colorWhite">#FFFFFF</color>
      <color name="colorGrapeFruit">#ed5565</color>
      <color name="colorGrapeFruitDark">#da4453</color>
      <color name="colorBitterSweet">#fc6e51</color>
      <color name="colorBitterSweetDark">#e9573f</color>
      <color name="colorFlower">#ffce54</color>
      <color name="colorFlowerDark">#f68b42</color>
      <color name="colorGrass">#A0D468</color>
      <color name="colorGrassDark">#8CC152</color>
      <color name="colorBlueJeans">#509CEC</color>
      <color name="colorBlueJeansDark">#4A89DC</color>
      <color name="colorLavander">#ac92ec</color>
      <color name="colorLavanderDark">#967adc</color>
      <color name="colorMint">#48cfad</color>
      <color name="colorMintDark">#37bc9b</color>
      <color name="colorAqua">#4fc1e9</color>
      <color name="colorAquaDark">#3bafda</color>
      <color name="colorPinkRose">#EC87C0</color>
      <color name="colorPinkRoseDark">#D770AD</color>
  </resources>

• 3

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colour code

<color name="colorPrimary">#dd3333</color>
	<color name="colorPrimaryDark">#d11616</color>
	<color name="colorAccent">#FF4081</color>
	<color name="colorWhite">#FFFFFF</color>
	<color name="colorGrapeFruit">#ED5565</color>
	<color name="colorGrapeFruitDark">#DA4453</color>
	<color name="colorBitterSweet">#FC6E51</color>
	<color name="colorBitterSweetDark">#E9573F</color>
	<color name="colorFlower">#FFCE54</color>
	<color name="colorFlowerDark">#F68B42</color>
	<color name="colorGrass">#A0D468</color>
	<color name="colorGrassDark">#8CC152</color>
	<color name="colorBlueJeans">#509CEC</color>
	<color name="colorBlueJeansDark">#4A89DC</color>
	<color name="colorLavander">#AC92EC</color>
	<color name="colorLavanderDark">#967ADC</color>
	<color name="colorMint">#48CFAD</color>
	<color name="colorMintDark">#37BC9B</color>
	<color name="colorAqua">#4FC1E9</color>
	<color name="colorAquaDark">#3BAFDA</color>
	<color name="colorPinkRose">#EC87C0</color>
	<color name="colorPinkRoseDark">#D770AD</color>

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best design android

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kotlin do while loop

• fun main(args:Array<String>)
  {
      var counter=0    do {
  
              println("hey")
          counter ++
  
      }
      while (counter<=5)
  
  }

• OUTPUT 
• hey
• hey
• hey
• hey
• hey
• hey

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kotlin while loop

fun main(args:Array<String>)
{
    var counter =0    while (counter<=5)
    {
        println("counting ...$counter")
        counter++ // counter counter+1    }
    println("out of loop")
}

• counting ...0
• counting ...1
• counting ...2
• counting ...3
• counting ...4
• counting ...5
• out of loop

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kotlin for loop

fun main(args:Array<String>)
{
    for (item in 1..5)
    {
        println("hey theree $item")
    }
}

• OUTPUT  
• hey theree 1
• hey theree 2
• hey theree 3
• hey theree 4
• hey theree 5

• fun main(args:Array<String>)
  {
      for (item in 0..6)
      {
          if (item % 2 ==0)
          {//if the no is divisible by 2 or multiple of 2            println(" $item  is multiple  of $item   fizz")
          }
          else if(item%3==0)
          {
              println("buzz")
          }
  
  
  
      }
  }

• OUTPUT 
•  0  is multiple  of 0   fizz
•  2  is multiple  of 2   fizz
• buzz
•  4  is multiple  of 4   fizz
•  6  is multiple  of 6   fizz
• 
  

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kotlin when using read line

fun main(args:Array<String>)
{
    println("ENTER A NO BETWEEN 1 - 10")
    var enterno= readLine()!!.toInt()
    when(enterno)
    {
        1-> println("WRONG NO 1")
        2-> println("GET CLOSE 2")
        3-> println("CLOSER 3" )
        4-> println("HMM 4 ")
        5-> println("GOOD 5")
        else->{
            println("sorry you lost")
    }


}
}

• OUTPUT
• ENTER A NO BETWEEN 1 - 10
• 2
• GET CLOSE 2
• 
  
• Process finished with exit code 0

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kotlin when

fun main(args:Array<String>)
{
    var age:Int=19    age=16    when(age)
    {
        17-> println("17")
        18-> println("18")
        19-> println("yep 19")
        else ->
        {
           println("none of the above")
        }
    }
}

• OUTPUT none of the above
• 2

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kotlin if else statement

fun main(args:Array<String>)
{
    var firstno=8    var secno=3
   if (firstno>secno)
   {
       println("yes first no $firstno  is graater that $secno")
   }
    else   {
       println("yes")
   }
}

• OUTPUT >>> yes first no 8  is graater that 3

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kotlin conditional operator

fun main(args:Array<String>)
{
   val firstno=5    val secondno=6

    println(firstno>secondno) //return a boolear true or false
    println(firstno<secondno)

    println(firstno==secondno)
    println(firstno!=secondno)
    println(firstno<=secondno)
    println(firstno>=secondno)


}

• OUTPUT >> 
• false
• true
• false
• true
• true
• false

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KOTLIN CONVERTING DATA TYPE

fun main(args:Array<String>)
{
    var age:Int=3
    var bloodpressure=89.0
    age=bloodpressure.toInt()
    println(age)
}

• OUTPUT >>> 89

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kotline increament and decrement operator

fun main(args:Array<String>)
{
    var firstno=8    var secno=3
    var incre=firstno+1    var dec=firstno-1          println(incre)
    println(++firstno)

    println(dec)
    println(--firstno)
}

• OUTPUT >> 
• 9
• 9
• 7
• 8

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kotline remainder

fun main(args:Array<String>)
{
    var firstno=8    var secno=3    var result:Int?
    result=firstno%secno
    println("THE RESULT  IS $result")

    //or    println("THE RESULT IS ${firstno % secno }")
}

• THE RESULT  IS 2
• THE RESULT IS 2

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kotlin division

• fun main(args:Array<String>)
  {
      var firstno=2    var secno=2    var result:Int?
      result=firstno/secno
      println("THE RESULT  IS $result")
  
      //or    println("THE RESULT IS ${firstno / secno }")
  }

• THE RESULT  IS 1
• THE RESULT IS 1
• 
  
• Process finished with exit code 0

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