ANDROID ERRORS

Gradle sync failed:-

Dont worry do following steps:-

1. Goto file → settings → Build,Execution,Deployment
2. Click on gradle
3. Click on use local gradle distribution

5. Give the path

6. Again click on Build,Execution,Deployment

7. Compiler

8. untick from Configure on Demand

Nothing appearing on layout:-

1. Goto res folder in Android IDE
2. Click on values
3. Click on styles.xml
4. replace it with this following code

• <resources> <! — Base application theme. →Base application theme. → <style
  name=”AppTheme”
  parent=”Base.Theme.AppCompat.Light.DarkActionBar”> <! — Customize your theme here. →Customize your theme here. → <item
  name=”colorPrimary”>@color/colorPrimary</item> <item
  name=”colorPrimaryDark”>@color/colorPrimaryDark</item> <item
  name=”colorAccent”>@color/colorAccent</item> </style> <style
  name=”AppTheme.NoActionBar”> <item
  name=”coordinatorLayoutStyle”>@style/Widget.Design.CoordinatorLayout</item> <item
  name=”windowActionBar”>false</item> <item
  name=”windowNoTitle”>true</item> </style> <style
  name=”AppTheme.AppBarOverlay”
  parent=”ThemeOverlay.AppCompat.Dark.ActionBar”
  /> <style
  name=”AppTheme.PopupOverlay”
  parent=”ThemeOverlay.AppCompat.Light”
  /></resources>

1. Goto content_main.xml if there some layout does not have content_main.xml than skip this
2. replace with relative layout

<?xml version=”1.0" encoding=”utf-8"?>
<RelativeLayout android:id=”@+id/activity_main” 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:paddingLeft=”16dp” android:paddingRight=”16dp” android:paddingTop=”16dp”android:paddingBottom=”16dp” tools:context=”.MainActivity”> <TextView android:layout_width=”wrap_content” android:layout_height=”wrap_content”android:layout_alignParentTop=”true” android:layout_centerHorizontal=”true” android:layout_marginTop=”242dp” android:text=”Hello World!”
World!” /> <Button android:id=”@+id/button2" android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:layout_alignParentStart=”true”android:layout_alignParentTop=”true” android:layout_marginStart=”78dp” android:layout_marginTop=”151dp” android:text=”Button”
/></RelativeLayout>

1. Go to activity_main.xml replace with relative layout

<?xml version=”1.0" encoding=”utf-8"?> 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=”.MainActivity”><android.support.design.widget.AppBarLayout android:layout_width=”match_parent” android:layout_height=”wrap_content”android:theme=”@style/AppTheme.AppBarOverlay”> <android.support.v7.widget.Toolbar android:id=”@+id/toolbar” android:layout_width=”match_parent”android:layout_height=”?attr/actionBarSize” android:background=”?attr/colorPrimary” app:popupTheme=”@style/AppTheme.PopupOverlay”
/> </android.support.design.widget.AppBarLayout> <include
layout=”@layout/content_main”
/> <android.support.design.widget.FloatingActionButton android:id=”@+id/fab” android:layout_width=”wrap_content” android:layout_height=”wrap_content”android:layout_gravity=”bottom|end” android:layout_margin=”@dimen/fab_margin” app:srcCompat=”@android:drawable/ic_dialog_email”
/> <Button android:id=”@+id/button” android:layout_width=”match_parent” android:layout_height=”wrap_content” android:text=”Button”
/></RelativeLayout>