Cardview Click is not opening Activty

Cardview Click is not opening Activty - java

My problems :
no error in this project, i can run successful.
my button can click at a certain time.
when i click it back, it doesn't work at all.
i think my problem is near the parent.
What's my mistake in my project's parent?
Help me please.
Below is my Java file : Dashboard.java
package com.example.whatisthat;
import androidx.cardview.widget.CardView;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
public class Dashboard extends Activity implements View.OnClickListener
{
private CardView LoginBtn, CaptureBtn, AboutBtn, FeedbackBtn, IgBtn, HelpBtn;
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_dashboard);
//DEFINE CARDS
//ADD CLICK LISTENER TO THE CARDS
LoginBtn = findViewById(R.id.Login);
LoginBtn.setOnClickListener(this);
CaptureBtn = findViewById(R.id.Capture);
CaptureBtn.setOnClickListener(this);
AboutBtn = findViewById(R.id.About);
AboutBtn.setOnClickListener(this);
FeedbackBtn = findViewById(R.id.Feedback);
FeedbackBtn.setOnClickListener(this);
IgBtn = findViewById(R.id.Ig);
IgBtn.setOnClickListener(this);
HelpBtn = findViewById(R.id.Help);
HelpBtn.setOnClickListener(this);
}
#Override
public void onClick(View view)
{
Intent i;
switch (view.getId())
{
case R.id.Login : i = new Intent(this,Login1.class);
startActivity(i);
break;
case R.id.Capture : i = new Intent(this, Capture.class);
startActivity(i);
break;
case R.id.About : i = new Intent(this, About.class);
startActivity(i);
break;
case R.id.Feedback : i = new Intent(this, Feedback.class);
startActivity(i);
break;
case R.id.Ig : i = new Intent(this, Instagram.class);
startActivity(i);
break;
case R.id.Help : i = new Intent(this, Help.class);
startActivity(i);
break;
default:break;
}
}
}
Below is my .xml file : activity_dashboard.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"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".Dashboard">
<ScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="230dp"
android:orientation="vertical"
android:gravity="center"
android:background="#6A287E">
<ImageView
android:layout_width="90dp"
android:layout_height="90dp"
android:src="#drawable/iconfyp"
android:layout_gravity="center"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="DASHBOARD"
android:textColor="#color/colorAccent"
android:layout_gravity="center"
android:textStyle="bold"
android:textSize="18sp"
android:layout_marginTop="10dp"
/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginTop="215dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="135dp"
android:orientation="horizontal"
android:layout_marginBottom="10dp">
<androidx.cardview.widget.CardView
android:foreground="? android:attr/selectableItemBackground"
android:focusable="true"
android:clickable="true"
android:id="#+id/Login"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:layout_marginRight="5dp"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="50dp"
android:id="#+id/imageView1"
android:layout_height="50dp"
android:src="#drawable/people"
android:layout_centerInParent="true"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LOGIN"
android:textSize="16sp"
android:layout_below="#+id/imageView1"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:layout_marginBottom="10dp"/>
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/buttonLogin"
android:background="#android:color/transparent"/>
</RelativeLayout>
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:foreground="? android:attr/selectableItemBackground"
android:focusable="true"
android:clickable="true"
android:id="#+id/Capture"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:layout_marginLeft="5dp"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="50dp"
android:id="#+id/imageView2"
android:layout_height="50dp"
android:src="#drawable/cameraa"
android:layout_centerInParent="true"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="CAPTURE"
android:textSize="16sp"
android:layout_below="#+id/imageView2"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:layout_marginBottom="10dp"/>
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/buttonCapture"
android:background="#android:color/transparent"/>
</RelativeLayout>
</androidx.cardview.widget.CardView>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="135dp"
android:orientation="horizontal"
android:layout_marginBottom="10dp">
<androidx.cardview.widget.CardView
android:foreground="? android:attr/selectableItemBackground"
android:focusable="true"
android:clickable="true"
android:id="#+id/About"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:layout_marginRight="5dp"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="50dp"
android:id="#+id/imageView3"
android:layout_height="50dp"
android:src="#drawable/aboutt"
android:layout_centerInParent="true"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ABOUT"
android:textSize="16sp"
android:layout_below="#+id/imageView3"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:layout_marginBottom="10dp"/>
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/buttonAbout"
android:background="#android:color/transparent"/>
</RelativeLayout>
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:foreground="? android:attr/selectableItemBackground"
android:focusable="true"
android:clickable="true"
android:id="#+id/Feedback"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:layout_marginLeft="5dp"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="50dp"
android:id="#+id/imageView4"
android:layout_height="50dp"
android:src="#drawable/feedback"
android:layout_centerInParent="true"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="FEEDBACK "
android:textSize="16sp"
android:layout_below="#+id/imageView4"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:layout_marginBottom="10dp"/>
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/buttonFeedback"
android:background="#android:color/transparent"/>
</RelativeLayout>
</androidx.cardview.widget.CardView>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="135dp"
android:orientation="horizontal"
android:layout_marginBottom="10dp">
<androidx.cardview.widget.CardView
android:foreground="? android:attr/selectableItemBackground"
android:focusable="true"
android:clickable="true"
android:id="#+id/Ig"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:layout_marginRight="5dp"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="50dp"
android:id="#+id/imageView5"
android:layout_height="50dp"
android:src="#drawable/instagram"
android:layout_centerInParent="true"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="INSTAGRAM"
android:textSize="16sp"
android:layout_below="#+id/imageView5"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:layout_marginBottom="10dp"/>
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/buttonIg"
android:background="#android:color/transparent"/>
</RelativeLayout>
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:foreground="? android:attr/selectableItemBackground"
android:focusable="true"
android:clickable="true"
android:id="#+id/Help"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:layout_marginLeft="5dp"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="50dp"
android:id="#+id/imageView6"
android:layout_height="50dp"
android:src="#drawable/help"
android:layout_centerInParent="true"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="HELP"
android:textSize="16sp"
android:layout_below="#+id/imageView6"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:layout_marginBottom="10dp"/>
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/buttonHelp"
android:background="#android:color/transparent"/>
</RelativeLayout>
</androidx.cardview.widget.CardView>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
</LinearLayout>
</ScrollView>
</RelativeLayout>

Well You have to First Remove space from this android:foreground="?android:attr/selectableItemBackground" and add this to all the button
android:clickable="false"
If you want to Open Activity With Button Then you have to put setOnClickListener to Button .Else if you want to open Activity with Cardview you have to put setOnClickListener to cardview.
Use this for OnClick Method:
#Override
public void onClick(View view) {
if (view==LoginBtn){
startActivity(new Intent(this,Login1.class));
}else if(view==Capture){
startActivity(new Intent(this,Capture.class));
}
//Do rest by yourself.
}

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OnClick item in NavigationDrawer in Android Studio

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<?xml version="1.0" encoding="utf-8"?>
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app:titleTextColor="#FFFFFF"
app:titleMarginStart = "10dp"
android:layout_marginBottom="5dp"
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android:layout_width="match_parent"
android:layout_height="#dimen/_125sdp"
android:background="#color/primary"
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android:layout_marginTop="#dimen/_16sdp"
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app:layout_constraintStart_toStartOf="parent"/>
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app:layout_constraintTop_toTopOf="#id/textTitle"
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android:id="#+id/cardHeader"
android:layout_width="match_parent"
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android:layout_marginEnd="#dimen/_16sdp"
app:cardBackgroundColor="#color/card_background"
app:cardCornerRadius="#dimen/_16sdp"
app:layout_constraintBottom_toBottomOf="#id/viewHeaderBackground"
app:layout_constraintTop_toBottomOf="#id/viewHeaderBackground">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="#dimen/_14sdp">
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Overview"
android:textColor="#color/primary_text"
android:textSize="#dimen/_14ssp"
android:textStyle="bold"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<ImageButton
android:id="#+id/textViews"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2"
android:background="#android:color/transparent"
android:layout_marginTop="#dimen/_8sdp"
android:scaleType="fitCenter"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<LinearLayout
android:id="#+id/layoutClients"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_8sdp"
android:gravity="center"
android:orientation="vertical"
app:layout_constraintEnd_toStartOf="#id/layoutImpacted"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#id/textViews">
<androidx.appcompat.widget.AppCompatImageView
android:layout_width="#dimen/_28sdp"
android:layout_height="#dimen/_28sdp"
android:src="#drawable/ic_clients"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_4sdp"
android:text="Pending"
android:textColor="#color/secondary_text"
android:textSize="#dimen/_10ssp"/>
<TextView
android:id="#+id/txtPending"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_4sdp"
android:text="0"
android:textColor="#color/primary_text"
android:textSize="#dimen/_16ssp"/>
</LinearLayout>
<LinearLayout
android:id="#+id/layoutImpacted"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_8sdp"
android:gravity="center"
android:orientation="vertical"
app:layout_constraintEnd_toStartOf="#id/layoutFollowing"
app:layout_constraintStart_toEndOf="#id/layoutClients"
app:layout_constraintTop_toBottomOf="#id/textViews">
<androidx.appcompat.widget.AppCompatImageView
android:layout_width="#dimen/_28sdp"
android:layout_height="#dimen/_28sdp"
android:src="#drawable/ic_impacted"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_4sdp"
android:text="Approved"
android:textColor="#color/secondary_text"
android:textSize="#dimen/_10ssp"/>
<TextView
android:id="#+id/txtApproved"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_4sdp"
android:text="0"
android:textColor="#color/primary_text"
android:textSize="#dimen/_16ssp"/>
</LinearLayout>
<LinearLayout
android:id="#+id/layoutFollowing"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_8sdp"
android:gravity="center"
android:orientation="vertical"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#id/layoutImpacted"
app:layout_constraintTop_toBottomOf="#id/textViews">
<androidx.appcompat.widget.AppCompatImageView
android:layout_width="#dimen/_28sdp"
android:layout_height="#dimen/_28sdp"
android:src="#drawable/ic_following"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_4sdp"
android:text="Records"
android:textColor="#color/secondary_text"
android:textSize="#dimen/_10ssp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="#dimen/_4sdp"
android:text="0"
android:textColor="#color/primary_text"
android:textSize="#dimen/_16ssp"/>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
</com.google.android.material.card.MaterialCardView>
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
android:clipToPadding="false"
android:overScrollMode="never"
android:padding="#dimen/_16sdp"
android:scrollbars="none"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintTop_toBottomOf="#id/cardHeader">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<include layout="#layout/dashboard_item_1"/>
<include layout="#layout/dashboard_item_2"/>
<include layout="#layout/dashboard_item_3"/>
<include layout="#layout/dashboard_item_4"/>
</LinearLayout>
</ScrollView>
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.drawerlayout.widget.DrawerLayout >
Updated I tried the code below but when I click the items it will automatically hide back the sidebar and there are no Toast pops
navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(MenuItem item) {
if (item.getItemId() == R.id.editProfile)
{
Toast.makeText(getApplicationContext(),"profile",Toast.LENGTH_SHORT).show();
}
else if (item.getItemId() == R.id.logout_menu)
{
Toast.makeText(getApplicationContext(),"logout",Toast.LENGTH_SHORT).show();
}
return false;
}
});

First you need to implement NavigationView.OnNavigationItemSelectedListener interface on your Activity.
then on your onCreate() method type
navigationView.setNavigationItemSelectedListener(this); after this override the method onNavigationItemSelected.
here you can use this sample code.
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
if (item.getItemId() == R.id.editProfile)
{
//edit your profile
}
else if (item.getItemId() == R.id.logout)
{
//log out
}
return false;
}

Android Studio Code in Java to take user input and display output

Here I am trying to take user input and display output in a Text View, but checkgen and checkuser is returning -1 despite of selecting them and also both the radio buttons are getting selected not any one of them, I want to display all the details entered in the text view. I have pasted the activity_reg.xml code below too
reg.java
package com.example.bloodbank;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;
public class reg extends AppCompatActivity {
//login button
Button btn_login;
//firstname
EditText fn;
//lastname
EditText ln;
//phone number
EditText pn;
//output
TextView op;
//registration button
Button btn_reg;
//radio group for gender
RadioGroup rggen;
//radio group for user(donor/in search of blood)
RadioGroup rguser;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_reg);
btn_login=findViewById(R.id.btn_login);
fn=findViewById(R.id.txtfirstname);
ln=findViewById(R.id.txtlastname);
pn=findViewById(R.id.txtmobile);
op=findViewById(R.id.outputreg);
rggen=findViewById(R.id.rggender);
rguser=findViewById(R.id.rgreg);
btn_reg=findViewById(R.id.main_btn_reg);
btn_reg.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
String fname=fn.getText().toString();
String lname=ln.getText().toString();
int pno= new Integer(pn.getText().toString());
int checkgen=rggen.getCheckedRadioButtonId();
//Toast.makeText(reg.this, "checkgen= "+checkgen, Toast.LENGTH_SHORT).show();
int checkuser=rguser.getCheckedRadioButtonId();
//Toast.makeText(reg.this, "checkuser= "+checkuser, Toast.LENGTH_SHORT).show();
if(((checkgen == -1)||(checkuser == -1))||((checkgen == -1)&&(checkuser == -1)))
{
//no radio button selected
Toast.makeText(reg.this, "Please select an option", Toast.LENGTH_SHORT).show();
}
else {
//radio button is checked
findRadioButton1(checkgen);
findRadioButton2(checkuser);
op.setText("Welcome " + fname + " " + lname + "Phone Number: " +pno );
}
}
});
btn_login.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
Intent i = new Intent(reg.this,login.class);
startActivity(i);
}
});
}
private void findRadioButton2(int checkuser) {
switch(checkuser){
case R.id.rbdonor:
op.setText("\nUser: Donor\n");
break;
case R.id.rbneedy:
op.setText("\nUser: In search of blood\n");
break;
}
}
private void findRadioButton1(int checkgen) {
switch(checkgen){
case R.id.rbmale:
op.setText("\nGender: Male\n");
break;
case R.id.rbfemale:
op.setText("\nGender: Female\n");
break;
}
}
}
activity_reg.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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/rbmale"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".reg">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="10dp">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:elevation="23dp"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/txtregister"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="Registration"
android:textColor="#color/colorPrimaryDark"
android:textSize="20dp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="20dp"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:weightSum="10"
>
<EditText
android:id="#+id/txtfirstname"
android:layout_width="match_parent"
android:layout_height="50dp"
android:hint="First Name*"
android:paddingLeft="8dp"
android:paddingTop="15dp"
android:singleLine="true"
android:textColor="#color/colorPrimaryDark"
android:textColorHint="#color/colorPrimaryDark"
android:textSize="13dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:weightSum="10"
>
<EditText
android:id="#+id/txtlastname"
android:layout_width="match_parent"
android:layout_height="50dp"
android:hint="Last Name*"
android:paddingLeft="8dp"
android:paddingTop="15dp"
android:singleLine="true"
android:textColor="#color/colorPrimaryDark"
android:textColorHint="#color/colorPrimaryDark"
android:textSize="13dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="3"
>
<TextView
android:id="#+id/textView"
android:layout_width="90dp"
android:layout_height="30dp"
android:layout_weight="1"
android:text=" Gender*:"
android:textColor="#A31D13" />
<RadioGroup
android:id="#+id/rggender"
android:layout_width="309dp"
android:layout_height="match_parent"
android:layout_weight="1">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<RadioButton
android:id="#+id/rbmale"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Male"
android:textColor="#BE202F" />
<RadioButton
android:id="#+id/rbfemale"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Female"
android:textColor="#BE202F" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:weightSum="10"
>
<EditText
android:id="#+id/txtmobile"
android:layout_width="match_parent"
android:layout_height="50dp"
android:hint="Mobile Number*"
android:inputType="number"
android:maxLength="10"
android:paddingLeft="8dp"
android:paddingTop="15dp"
android:singleLine="true"
android:textColor="#color/colorPrimaryDark"
android:textColorHint="#color/colorPrimaryDark"
android:textSize="13dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:weightSum="10"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:orientation="horizontal">
<EditText
android:id="#+id/txtpassword"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_weight="1"
android:hint="Password*"
android:inputType="textPassword"
android:maxLength="10"
android:paddingLeft="8dp"
android:paddingTop="15dp"
android:singleLine="true"
android:textColor="#color/colorPrimaryDark"
android:textColorHint="#color/colorPrimaryDark"
android:textSize="13dp" />
</LinearLayout>
<TextView
android:id="#+id/textView2"
android:layout_width="111dp"
android:layout_height="30dp"
android:layout_marginTop="10dp"
android:text=" Register as*:"
android:textColor="#BE202F" />
<RadioGroup
android:id="#+id/rgreg"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<RadioButton
android:id="#+id/rbdonor"
android:layout_width="171dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="I am a donor"
android:textColor="#BE202F" />
<RadioButton
android:id="#+id/rbneedy"
android:layout_width="183dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="I am in search of blood"
android:textColor="#BE202F" />
</LinearLayout>
</RadioGroup>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_marginBottom="1dp"
android:orientation="horizontal">
</LinearLayout>
<Button
android:id="#+id/main_btn_reg"
android:layout_width="match_parent"
android:layout_height="45dp"
android:layout_marginTop="20dp"
android:background="#color/colorPrimaryDark"
android:text="REGISTER"
android:textColor="#color/white"
android:textSize="14dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:orientation="vertical">
<View
android:layout_width="match_parent"
android:layout_height="0.6dp"
android:layout_marginTop="16dp"
android:background="#color/colorPrimaryDark"></View>
<Button
android:id="#+id/btn_login"
android:layout_width="86dp"
android:layout_height="44dp"
android:layout_marginTop="7dp"
android:gravity="center"
android:text="LOGIN"
android:textColor="#color/colorPrimaryDark"
android:textSize="14dp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="10dp"
android:orientation="vertical"></LinearLayout>
</LinearLayout>
<TextView
android:id="#+id/outputreg"
android:layout_width="match_parent"
android:layout_height="60dp" />
</LinearLayout>
</ScrollView>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout> ```

How To Hide Bottom Navigation Bar?

I have created a bottom navigation bar in android and now I want to hide it when I scroll up and show it when I scroll down. Can someone let me know how to do it? I haven't created the navigation bar using any library. I made it with linear and Relative layouts.
Here is my XML file of the MainActivity.java
<android.support.v4.widget.DrawerLayout
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/MageNative_drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/white"
android:fitsSystemWindows="true">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/white"
android:orientation="vertical">
<android.support.v7.widget.Toolbar
android:id="#+id/MageNative_toolbar"
android:layout_width="match_parent"
android:layout_height="60dp"
app:theme="#style/AppTheme">
<ImageView
android:id="#+id/toolimage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:contentDescription="#string/app_name"
/>
<TextView
android:id="#+id/tooltext"
android:layout_width="wrap_content"
android:layout_height="60dp"
android:gravity="center_vertical"
android:text="#string/app_name"
android:textAllCaps="true"
android:textColor="#color/black"
android:textSize="15sp"
android:visibility="gone"
android:textStyle="bold"
/>
</android.support.v7.widget.Toolbar>
<FrameLayout
android:id="#+id/MageNative_frame_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/white"
android:layout_marginBottom="60dp"
android:layout_below="#+id/MageNative_toolbar">
</FrameLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:id="#+id/bottom_toolbar"
android:background="#color/white"
android:layout_alignParentBottom="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:layout_centerInParent="true"
android:weightSum="1"
android:baselineAligned="false"
android:background="#color/white"
android:layout_marginTop="10dp"
>
<LinearLayout
android:layout_width="0dp"
android:layout_weight="0.2"
android:id="#+id/home_icon_sect"
android:orientation="vertical"
android:layout_height="50dp">
<ImageView
android:layout_width="25dp"
android:layout_height="25dp"
android:layout_gravity="center_horizontal"
android:layout_marginTop="10dp"
android:tint="#343D4E"
android:src="#drawable/home"
android:id="#+id/home_icon"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="#color/black"
android:gravity="center"
android:textSize="11sp"
android:text="#string/home"/>
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_weight="0.2"
android:orientation="vertical"
android:id="#+id/categories"
android:layout_height="50dp">
<ImageView
android:id="#+id/wish_icon"
android:layout_width="25dp"
android:layout_height="25dp"
android:layout_gravity="center_horizontal"
android:layout_marginTop="10dp"
android:src="#drawable/home"
android:tint="#343D4E" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="#color/black"
android:gravity="center"
android:textSize="11sp"
android:text="#string/categories"/>
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_weight="0.2"
android:orientation="vertical"
android:id="#+id/notification_icon_sect"
android:layout_height="50dp">
<ImageView
android:id="#+id/notification_icon"
android:layout_width="wrap_content"
android:layout_height="25dp"
android:layout_gravity="center_horizontal"
android:layout_marginTop="10dp"
android:src="#drawable/search"
android:tint="#343D4E" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="#string/search"
android:textColor="#color/black"
android:textSize="11sp" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_weight="0.2"
android:orientation="vertical"
android:id="#+id/user_icon_sect"
android:layout_height="50dp">
<ImageView
android:id="#+id/user_icon"
android:layout_width="25dp"
android:layout_height="25dp"
android:layout_gravity="center"
android:layout_marginTop="10dp"
android:src="#drawable/home"
android:tint="#343D4E" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="#color/black"
android:gravity="center"
android:textSize="11sp"
android:text="#string/account"/>
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_weight="0.2"
android:id="#+id/drawer_menu_sect"
android:orientation="vertical"
android:layout_height="50dp">
<ImageView
android:id="#+id/drawer_menu"
android:layout_width="25dp"
android:layout_height="25dp"
android:layout_marginTop="10dp"
android:layout_centerHorizontal="true"
android:layout_gravity="center_horizontal"
android:src="#drawable/bag"
android:tint="#343D4E" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="#color/black"
android:gravity="center"
android:layout_below="#+id/drawer_menu"
android:textSize="11sp"
android:text="#string/cart"/>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
</RelativeLayout>
<fragment
android:id="#+id/MageNative_fragment_navigation_drawer"
android:name="com.freshgrocy.app.maincontainer.FragmentDrawer"
android:layout_width="290dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:layout="#layout/fragment_drawer"
tools:layout="#layout/fragment_drawer" />
</android.support.v4.widget.DrawerLayout>

just add app:layout_behavior="#string/hide_bottom_view_on_scroll_behavior" in your BottomNavigationView.
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="#+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
....
app:layout_behavior="#string/hide_bottom_view_on_scroll_behavior" />

I know maybe it's late but I got the answer , two months ago I was searching and didn't find anything but a few minutes ago I found the solution and checked it works very well on Android Kitkat beyond, and decided to share it. I extract it from AppIntro Library ,here we go :
public void setImmersiveMode(boolean isEnabled, boolean isSticky) {
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
if(!isEnabled && isImmersiveModeEnabled) {
getWindow().getDecorView().setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
isImmersiveModeEnabled = false;
} else if(isEnabled) {
int flags = View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_FULLSCREEN;
if(isSticky) {
flags |= View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
isImmersiveModeSticky = true;
} else {
flags |= View.SYSTEM_UI_FLAG_IMMERSIVE;
isImmersiveModeSticky = false;
}
getWindow().getDecorView().setSystemUiVisibility(flags);
isImmersiveModeEnabled = true;
}
}
}
in your activity :
public boolean isImmersiveModeEnabled = false;
public boolean isImmersiveModeSticky = false;
and use it in your code :
setImmersiveMode(true,false);
or
setImmersiveMode(true,false);
Happy Coding :)

Not displaying OK button in cardview in pop up dialog [duplicate]

This question already has answers here:
Add positive button to Dialog
(3 answers)
Closed 5 years ago.
I am new in android app development. I am making a project in android-studio.I want to show pop up dialog whatever I have declared in xml file but OK button is not showing. If anyone knows about it, please share your answer.xml and java codes are below
image_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical">
<!--<ImageView android:layout_width="wrap_content"-->
<!--android:layout_height="wrap_content" android:src="YOUR IMAGE"/>-->
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardViewbluetooth"
app:cardCornerRadius="5dp"
android:layout_gravity="center"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:paddingTop="180dp"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Bluetooth not enabled"
android:textSize="20dp"
android:textStyle="bold"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Please enable bluetooth in settings and restart this application"
android:textStyle="bold"/>
<Button android:layout_width="wrap_content" android:layout_height="wrap_content"
android:text="OK" android:onClick="dismissListener"/>
</LinearLayout>
</android.support.v7.widget.CardView></LinearLayout>
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
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:fillViewport="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
tools:context="litifer.awesome.game.litifer_carddemo.MainActivity"
>
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView1"
app:cardCornerRadius="5dp"
android:layout_gravity="center"
android:layout_marginTop="10dp"
app:cardElevation="0dp"
android:clickable="true"
app:cardBackgroundColor="#android:color/transparent"
android:background="#33FF0000"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/imageBeacon"
android:src="#drawable/beacon"
android:adjustViewBounds="true"
android:layout_gravity="center"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView1text"
android:text="Beacon Demo"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
android:textSize="20dp"
android:textStyle="bold"
android:layout_marginRight="20dp"
android:layout_marginBottom="10dp"
/>
</LinearLayout>
</android.support.v7.widget.CardView>
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView2"
app:cardCornerRadius="5dp"
android:layout_gravity="center"
android:layout_marginTop="10dp"
app:cardElevation="0dp"
android:clickable="true"
app:cardBackgroundColor="#android:color/transparent"
android:background="#33FF0000"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/imageWifi"
android:src="#drawable/wifi"
android:adjustViewBounds="true"
android:layout_gravity="center"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView2text"
android:text="Wifi Demo"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
android:textSize="20dp"
android:textStyle="bold"
android:layout_marginRight="20dp"
android:layout_marginBottom="10dp"
/>
</LinearLayout>
</android.support.v7.widget.CardView>
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView3"
app:cardCornerRadius="5dp"
android:layout_gravity="center"
android:layout_marginTop="10dp"
app:cardElevation="0dp"
android:clickable="true"
app:cardBackgroundColor="#android:color/transparent"
android:background="#33FF0000"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/imageCustomerReview"
android:src="#drawable/customerreview"
android:adjustViewBounds="true"
android:layout_gravity="center"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView3text"
android:text="CustomerReview Demo"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
android:textSize="20dp"
android:textStyle="bold"
android:layout_marginRight="20dp"
android:layout_marginBottom="10dp"
/>
</LinearLayout>
</android.support.v7.widget.CardView>
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView4"
app:cardCornerRadius="5dp"
android:layout_gravity="center"
android:layout_marginTop="10dp"
app:cardElevation="0dp"
android:clickable="true"
app:cardBackgroundColor="#android:color/transparent"
android:background="#33FF0000"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/imagecardview"
android:src="#drawable/cardview"
android:adjustViewBounds="true"
android:layout_gravity="center"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView4text"
android:text="CardView Demo"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
android:textSize="20dp"
android:textStyle="bold"
android:layout_marginRight="20dp"
android:layout_marginBottom="10dp"
/>
</LinearLayout>
</android.support.v7.widget.CardView>
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView5"
app:cardCornerRadius="5dp"
android:layout_gravity="center"
android:layout_marginTop="10dp"
app:cardElevation="0dp"
android:clickable="true"
app:cardBackgroundColor="#android:color/transparent"
android:background="#33FF0000"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/imagedemo"
android:src="#drawable/demo"
android:adjustViewBounds="true"
android:layout_gravity="center"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cardView5text"
android:text="Test All Demo"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
android:textSize="20dp"
android:textStyle="bold"
android:layout_marginRight="20dp"
android:layout_marginBottom="10dp"
/>
</LinearLayout>
</android.support.v7.widget.CardView>
</LinearLayout> </ScrollView>
MainActivity.java
public class MainActivity extends AppCompatActivity {
private ImageView beacon,cardview,customerreview,demo,wifi;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
beacon = (ImageView)findViewById(R.id.imageBeacon);
beacon.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (mBluetoothAdapter == null) {
// Device does not support Bluetooth
} else {
if (!mBluetoothAdapter.isEnabled()) {
// Bluetooth is not enable :)
Dialog settingsDialog = new Dialog(MainActivity.this);
settingsDialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
settingsDialog.setContentView(getLayoutInflater().inflate(R.layout.image_layout
, null));
settingsDialog.show();
}
}
}
});
}
}

try this
Dialog settingsDialog = new Dialog(this);
settingsDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
settingsDialog.setContentView(R.layout.image_layout);
settingsDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
settingsDialog.setCancelable(true);
settingsDialog.setTitle("Title...");
settingsDialog.show();

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