In Android Studio, write a program that get an address as a text-filed from the user in the first screen which also contains a button. When the button is clicked or touched, the app shows the map on the second screen with the detail map at the given address.

I have done the coding but my app keeps on closing when I try to open it.

//content_main.xml

xml version="1.0" encoding="utf-8"?> <android.support.constraint.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:layout_width="match_parent"  android:layout_height="match_parent"  app:layout_behavior="@string/appbar_scrolling_view_behavior"  tools:context=".MainActivity"  tools:showIn="@layout/activity_main"> <TextView  android:id="@+id/textView"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:text="Google Map"  app:layout_constraintBottom_toBottomOf="parent"  app:layout_constraintLeft_toLeftOf="parent"  app:layout_constraintRight_toRightOf="parent"  app:layout_constraintTop_toTopOf="parent"  app:layout_constraintVertical_bias="0.105" /> <Button  android:id="@+id/button"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_marginTop="91dp"  android:text="Show Map"  android:onClick="showMap"  app:layout_constraintEnd_toEndOf="parent"  app:layout_constraintStart_toStartOf="parent"  app:layout_constraintTop_toBottomOf="@+id/textView" /> android.support.constraint.ConstraintLayout>

//activity_maps.xml

xml version="1.0" encoding="utf-8"?> <fragment xmlns:android="http://schemas.android.com/apk/res/android"  xmlns:map="http://schemas.android.com/apk/res-auto"  xmlns:tools="http://schemas.android.com/tools"  android:id="@+id/map"  android:name="com.google.android.gms.maps.SupportMapFragment"  android:layout_width="match_parent"  android:layout_height="match_parent"  tools:context=".MapsActivity" />

//activity_main.xml

xml version="1.0" encoding="utf-8"?> <android.support.design.widget.CoordinatorLayout 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" /> android.support.design.widget.CoordinatorLayout>

//google_maps_api.xml

<resources>   <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">AIzaSyB2OXx8HGDRGqIoLrXff5jjj4l1-3WNNYEstring> resources> 

//MainActivity.java

package com.user.map; import android.content.Intent; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.Snackbar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.View; import android.view.Menu; import android.view.MenuItem; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab); fab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG) .setAction("Action", null).show(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present.  getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will  // automatically handle clicks on the Home/Up button, so long  // as you specify a parent activity in AndroidManifest.xml.  int id = item.getItemId(); //noinspection SimplifiableIfStatement  if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } public void showMap(View v) { Intent intent = new Intent(MainActivity.this, MapsActivity.class); startActivity(intent); } }

//MapsActivity.java

package com.user.map; import android.support.v4.app.FragmentActivity; import android.os.Bundle; import com.google.android.gms.maps.CameraUpdateFactory; import com.google.android.gms.maps.GoogleMap; import com.google.android.gms.maps.OnMapReadyCallback; import com.google.android.gms.maps.SupportMapFragment; import com.google.android.gms.maps.model.LatLng; import com.google.android.gms.maps.model.MarkerOptions; public class MapsActivity extends FragmentActivity implements OnMapReadyCallback { private GoogleMap mMap; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_maps); // Obtain the SupportMapFragment and get notified when the map is ready to be used.  SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager() .findFragmentById(R.id.map); mapFragment.getMapAsync(this); } /**  * Manipulates the map once available.  * This callback is triggered when the map is ready to be used.  * This is where we can add markers or lines, add listeners or move the camera. In this case,  * we just add a marker near Sydney, Australia.  * If Google Play services is not installed on the device, the user will be prompted to install  * it inside the SupportMapFragment. This method will only be triggered once the user has  * installed Google Play services and returned to the app.  */  @Override public void onMapReady(GoogleMap googleMap) { mMap = googleMap; // Add a marker in Sydney and move the camera  LatLng sydneyPosition = new LatLng(-33.8688, 151.2093); mMap.addMarker(new MarkerOptions().position(sydneyPosition).title("Marker in Sydney")); mMap.moveCamera(CameraUpdateFactory.newLatLng(sydneyPosition)); } }

//build.gradle(Module:app)

apply plugin: 'com.android.application'  android { compileSdkVersion 28 defaultConfig { applicationId "com.supriya.map"  minSdkVersion 25 targetSdkVersion 28 versionCode 1 versionName "1.0"  testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"  } buildTypes { release { minifyEnabled false  proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'  } } } dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation 'com.android.support:appcompat-v7:28.0.0-rc02'  implementation 'com.android.support.constraint:constraint-layout:1.1.3'  implementation 'com.android.support:design:28.0.0-rc02'  implementation 'com.google.android.gms:play-services-maps:15.0.1'  testImplementation 'junit:junit:4.12'  androidTestImplementation 'com.android.support.test:runner:1.0.2'  androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'  compile 'com.android.support:support-annotations:27.1.1'   compile 'com.google.android.gms:play-services:11.4.0' } 

//build.gradle(Project:map)

// Top-level build file where you can add configuration options common to all sub-projects/modules.  buildscript { repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.1.3'    // NOTE: Do not place your application dependencies here; they belong  // in the individual module build.gradle files  } } allprojects { repositories { google() jcenter() } } task clean(type: Delete) { delete rootProject.buildDir }