Please help me i am facing problem in starting an new button activity in android studio. It shows null pointer exception and exception in plugin android support. what should i do ?
I also added my java and xml main activity coding please review it.
My Xml main activity coding...
<?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:background="@android:color/holo_blue_light"
tools:context="comhanumanbeniwaloffice.facebook.www.hanumanbeniwal.MainActivity" >
<Button
android:id="@+id/button"
style="@android:style/Widget.Button"
android:layout_width="350dp"
android:layout_height="wrap_content"
android:layout_marginTop="13dp"
android:background="@android:color/holo_green_light"
android:elevation="0dp"
android:text="परिचय"
android:textStyle="bold"
android:textAppearance="@style/TextAppearance.AppCompat.Large"
android:textSize="40dp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
<Button
android:id="@+id/button2"
style="@android:style/Widget.Button"
android:layout_width="350dp"
android:layout_height="wrap_content"
android:layout_marginTop="17dp"
android:background="@android:color/holo_orange_dark"
android:text="Latest News"
android:textStyle="bold"
android:textSize="40dp"
android:visibility="visible"
android:layout_below="@+id/button"
android:layout_alignLeft="@+id/button"
android:layout_alignStart="@+id/button" />
<Button
android:id="@+id/button9"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_below="@+id/button2"
android:layout_marginTop="37dp"
android:background="?android:attr/colorPressedHighlight"
android:text="ब्लॉग"
android:textAppearance="@style/TextAppearance.AppCompat.Menu"
android:textSize="40dp" />
<Button
android:id="@+id/button10"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/button9"
android:layout_alignBottom="@+id/button9"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:background="@android:color/holo_green_light"
android:text="तस्वीरें"
android:textSize="40dp" />
<Button
android:id="@+id/button11"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:text="विडियो"
android:textSize="40dp"
android:layout_below="@+id/button9"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="47dp" />
<Button
android:id="@+id/button12"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:text="लाइव"
android:textSize="40dp"
android:layout_alignBaseline="@+id/button11"
android:layout_alignBottom="@+id/button11"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<Button
android:id="@+id/button13"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_below="@+id/button11"
android:layout_marginTop="35dp"
android:background="?android:attr/colorPressedHighlight"
android:text="Speech"
android:textAppearance="@android:style/TextAppearance"
android:textSize="40dp"
android:textStyle="bold" />
<Button
android:id="@+id/button14"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@android:color/holo_green_light"
android:text="Contact"
android:textSize="35dp"
android:layout_alignBaseline="@+id/button13"
android:layout_alignBottom="@+id/button13"
android:layout_alignRight="@+id/button2"
android:layout_alignEnd="@+id/button2" />
</RelativeLayout>package comhanumanbeniwaloffice.facebook.www.hanumanbeniwal;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}null java.lang.NullPointerException at com.android.tools.idea.actions.NewAndroidComponentAction.actionPerformed(NewAndroidComponentAction.java:121) at com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:197) at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:88) at com.intellij.openapi.application.TransactionGuardImpl.submitTransactionAndWait(TransactionGuardImpl.java:156) at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:211) at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.lambda$actionPerformed$2(ActionMenuItem.java:304) at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:905) at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:124) at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:284) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) at com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$fireActionPerformed$0(ActionMenuItem.java:112) at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:88) at com.intellij.openapi.application.TransactionGuardImpl.access$300(TransactionGuardImpl.java:40) at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:113) at com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:123) at com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:109) at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:112) at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:513) at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:45) at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:533) at java.awt.Component.processMouseEvent(Component.java:6533) at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) at java.awt.Component.processEvent(Component.java:6298) at java.awt.Container.processEvent(Container.java:2236) at java.awt.Component.dispatchEventImpl(Component.java:4889) at java.awt.Container.dispatchEventImpl(Container.java:2294) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466) at java.awt.Container.dispatchEventImpl(Container.java:2280) at java.awt.Window.dispatchEventImpl(Window.java:2746) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90) at java.awt.EventQueue$4.run(EventQueue.java:731) at java.awt.EventQueue$4.run(EventQueue.java:729) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:795) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:627) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:387) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
