compileSdkVersion 25
    buildToolsVersion "25.0.2"
    defaultConfig {
        applicationId "tam.noc.nooctambulos"
        minSdkVersion 15
        targetSdkVersion 25
        multiDexEnabled = true
        vectorDrawables.useSupportLibrary = true
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            shrinkResources true
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:25.3.1'
    compile 'com.android.support:design:25.3.1'
    compile 'com.android.support:animated-vector-drawable:25.3.1'
    compile 'com.android.support:mediarouter-v7:25.3.1'
    compile 'com.android.support:customtabs:25.3.1'
    compile 'com.google.android.gms:play-services-fitness:10.2.1'
    compile 'com.google.firebase:firebase-ads:10.0.1'
    compile 'com.google.android.gms:play-services:10.2.1'
    compile 'com.android.support:multidex:1.0.1'
    compile 'com.google.android.gms:play-services-ads:10.2.1'
    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    testCompile 'junit:junit:4.12'

}

public class Primera extends AppCompatActivity {
ImageButton mapa;
ImageButton boliches;
ImageButton contacto;
ImageButton sugerencia;
ImageButton previa;
    ImageView titulo;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_primera);
        //Boliches
        boliches = (ImageButton)findViewById(R.id.bolichesybaresbutton);
        boliches.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Primera.this, Boliches.class);
                startActivity(intent);
            }
        });
        //Titulo
        titulo = (ImageView) findViewById(R.id.titulo);

        //Mapa
        mapa = (ImageButton) findViewById(R.id.mapabutton);
        mapa.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Primera.this, MapsActivity.class);
                startActivity(intent);
            }
        });
         //Contacto
         contacto = (ImageButton) findViewById(R.id.buttoncontacto);
        contacto.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Primera.this, Contacto.class);
                startActivity(intent);
            }
        });
        //Sugerencia
          sugerencia = (ImageButton)findViewById(R.id.buttonsugerencia);
                sugerencia.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Intent intent = new Intent(Primera.this, Sugerencias.class);
                        startActivity(intent);
                    }
                });


        //Previa
        previa = (ImageButton)findViewById(R.id.buttonprevia);
                                previa.setOnClickListener(new View.OnClickListener() {
                                    @Override
                                    public void onClick(View v) {
                                        Intent intent = new Intent(Primera.this, Previa.class);
                                        startActivity(intent);
                                    }
                                });

            }


}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="tam.noc.nooctambulos">

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

    <application
        android:name="android.support.multidex.MultiDexApplication"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <meta-data
            android:name="com.google.android.geo.API_KEY"
            android:value="@string/google_maps_key" />

        <activity
            android:name=".Primera"
            android:label="Noc"
            android:screenOrientation="portrait"
            android:theme="@style/AppTheme.NoActionBar" />

        <activity
            android:name=".MapsActivity"
            android:label="@string/title_activity_maps"
            android:screenOrientation="portrait" />
        <activity
            android:name=".Boliches"
            android:label="@string/title_activity_boliches"
            android:screenOrientation="portrait"
            android:theme="@style/AppTheme.NoActionBar" />
        <activity
            android:name=".Contacto"
            android:label="@string/title_activity_contacto"
            android:screenOrientation="portrait"
            android:theme="@style/AppTheme.NoActionBar" />
        <activity
            android:name=".Sugerencias"
            android:label="@string/title_activity_sugerencias"
            android:screenOrientation="portrait"
            android:theme="@style/AppTheme.NoActionBar" />
        <activity
            android:name=".Previa"
            android:label="@string/title_activity_previa"
            android:screenOrientation="portrait"
            android:theme="@style/AppTheme.NoActionBar" />
        <activity
            android:name=".Splashsuper"
            android:label="Noctambulos"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name=".juegos"
            android:label="@string/title_activity_juegos"
            android:theme="@style/AppTheme"
            android:screenOrientation="portrait"/>
        <activity
            android:name=".tragos"
            android:label="@string/title_activity_tragos"
            android:theme="@style/AppTheme"
            android:screenOrientation="portrait">

        </activity>
    </application>