CODEWITHSUNDEEP
androidgoogle-maps
Asdemuertes
Asdemuertes

Reputation: 323

google maps showing blank screen

I'm trying to display a google maps in a very simple application (a new project with just a google maps Activity) the manifest has the permissions: 

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.ivan.pruebamaps">

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
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=".MapsActivity"
    android:label="@string/title_activity_maps">
    <intent-filter>
        <action android:name="android.intent.action.MAIN" />

        <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
</activity>
</application>

    </manifest>

I have a valid key in @string/google_maps_key.

The mainActivity it's untouched, the same as it's created in android studio.

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);
}


@Override
public void onMapReady(GoogleMap googleMap) {
    mMap = googleMap;

    // Add a marker in Sydney and move the camera
    LatLng sydney = new LatLng(-34, 151);
    mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney"));
    mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
}
}

The same happens with the layout file activity_maps:

<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="com.example.ivan.pruebamaps.MapsActivity" />

This is my gradle file if that helps :

apply plugin: 'com.android.application'

android {
    compileSdkVersion 25
    buildToolsVersion "25.0.2"
    defaultConfig {
        applicationId "com.example.ivan.pruebamaps"
        minSdkVersion 15
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:25.2.0'
    compile 'com.google.android.gms:play-services-maps:10.2.0'
    testCompile 'junit:junit:4.12'
}

When i execute the app i just get a screen with a blank screen and the Google logo in the left bottom corner. I'm trying in a emulated nexus 5, and in a samsung galaxy s6, neither works.

Upvotes: 7

Views: 16568

Answers (6)

Idan
Idan

Reputation: 137

Had the same problem and solved it by uninstalling the app completely from the device I was debugging on, and installing it again afterward.

Upvotes: 0

Bue von hon
Bue von hon

Reputation: 1

if you use avd(Android virtual device) for your app, in some case, it will be not working

use real device it works for me

I use googlemap fragment in main activity extends appcompatactivity it works!

Upvotes: 0

Farry
Farry

Reputation: 21

This issue is because of API key .

Steps :

  1. Go to your Google API Dashboard .
  2. Navigate to credentials ,
  3. look for Android key (auto created by Google Service) .

  4. use this key in your manifest.xml

Upvotes: 1

ujjwal shah
ujjwal shah

Reputation: 11

In my case, the problem was the API key I guess. As soon as I changed my API key with a new one that I generated the map was back online.

Upvotes: 1

Daniel Nugent
Daniel Nugent

Reputation: 43322

It sounds like the API key you're using was generated on a different machine, which has a different debug keystore.

You will need to add the SHA1 fingerprint for the debug keystore for each dev machine you use to your API key in the developer console.

In addition to that, once you're ready to make a signed release build, be sure that you use the SHA1 fingerprint for your release keystore in the API key that goes into the release version of the google_maps_api.xml file. See here for more info.

Upvotes: 10

sai
sai

Reputation: 462

Try installing google play services through android sdk and try again.

This might help How to download Google Play Services in an Android emulator?

Upvotes: 1

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