我一直在尝试将Google地图添加到我的应用中，但一直收到错误消息。我知道这个主题已经遍布stackOverflow但我已经尝试了几乎所有的东西，我认为必须有一些我没有看到的东西。请理解我已经尝试了stackoverflow上的所有解决方案。如果你可以请试着找我，让我知道如果有什么我做得不对，我会很感激：）
我的MapActivity：
public class MapActivity extends FragmentActivity implements OnMapReadyCallback{
TextView temperature, forecast, clouds, wind, humidity;
Switch mySwitch;
String switchChosen;
//all of these variables are used for pulling data from the database
InputStream is=null;
String result=null;
String line=null;
JSONObject jsonObj;
ArrayList<String> items;
ProgressDialog pDialog;
AutoCompleteTextView enterCity;
String[] languages={"Johannesburg","Tokyo","Pretoria","Rome","London","Mumbai", "Chicago", "Berlin", "Osaka", "Philadelphia", "Shanghai", "Zurich"};
Button okButton;
GoogleMap mMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
temperature = (TextView)findViewById(R.id.textView_temperature);
forecast = (TextView)findViewById(R.id.textView_forecast);
clouds = (TextView)findViewById(R.id.textView_clouds);
wind = (TextView)findViewById(R.id.textView_wind);
humidity = (TextView)findViewById(R.id.textView_humidity);
enterCity=(AutoCompleteTextView)findViewById(R.id.autoCompleteTextView1);
ArrayAdapter adapter = new ArrayAdapter(this,android.R.layout.simple_list_item_1,languages);
enterCity.setAdapter(adapter);
enterCity.setThreshold(1);
okButton = (Button)findViewById(R.id.button_ok);
okButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//check if there is network connection
if (isNetworkConnected()) {
new getWeather().execute();
} else if (!isNetworkConnected()) {
if (pDialog.isShowing()) {
pDialog.dismiss();
}
Toast.makeText(getApplicationContext(), "Please Connect To A Network.", Toast.LENGTH_LONG).show();
}
}
});
mySwitch = (Switch)findViewById(R.id.switch1);
mySwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
//check if there is network connection
if (isNetworkConnected()) {
new getWeather().execute();
} else if (!isNetworkConnected()) {
if (pDialog.isShowing()) {
pDialog.dismiss();
}
Toast.makeText(getApplicationContext(), "Please Connect To A Network.", Toast.LENGTH_LONG).show();
}
}
});
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
}
@Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
// Add a marker in Sydney, Australia, 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));
}
class getWeather extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... params) {
Log.v("result", getData());
try {
jsonObj = new JSONObject(getData());
Log.v("jsonObj", jsonObj.toString());
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
super.onPostExecute(result);
try {
Log.v("j.get", jsonObj.get("coord").toString());
temperature.setText(jsonObj.getJSONObject("main").getString("temp"));
forecast.setText(jsonObj.get("coord").toString());
clouds.setText(jsonObj.getJSONObject("clouds").getString("all") + " %");
wind.setText(jsonObj.getJSONObject("wind").getString("deg"));
humidity.setText(jsonObj.getJSONObject("main").getString("humidity") + " %");
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public String getData()
{
//check the current state of the switch before we call the URL
if(mySwitch.isChecked()){
switchChosen = "metric";
}
else {
switchChosen = "imperial";
}
try {
URL url = new URL("http://api.openweathermap.org/data/2.5/weather?q=" + enterCity.getText() + "&units=" + switchChosen + "&APPID=cc5dd2bb37b95fcf31f3343ea7285c3f");
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
StringBuilder stringBuilder = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
stringBuilder.append(line).append("\n");
}
bufferedReader.close();
return stringBuilder.toString();
}
finally{
urlConnection.disconnect();
}
}
catch(Exception e) {
Log.e("ERROR", e.getMessage(), e);
return null;
}
}
public boolean isNetworkConnected(){
boolean connected = true;
ConnectivityManager cm =
(ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = cm.getActiveNetworkInfo();
if (netInfo != null && netInfo.isConnected() && netInfo.isAvailable()) {
//Toast.makeText(getActivity(), "connected.", Toast.LENGTH_LONG).show();
connected= true;
}else{
connected= false;
//Toast.makeText(getActivity(), " Not connected.", Toast.LENGTH_LONG).show();
}
return connected;
}
@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_login, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_settings:
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
我的activity_map.xml：
<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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment" />
</RelativeLayout>
我的AndroidManifest.xml：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.jared.myweatherapp">
<permission
android:name="app.me.locationalarm.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-permission android:name="app.me.locationalarm.permission.MAPS_RECEIVE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!-- Required to show current location -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<!-- Required OpenGL ES 2.0. for Maps V2 -->
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyBADcadXXgzNxQBau1LQsKeFBXRmSuJLss" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity
android:name=".LoginActivity"
android:label="@string/app_name"
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=".MapActivity"
android:label="@string/title_activity_map"
android:theme="@style/AppTheme.NoActionBar" />
<!--
ATTENTION: This was auto-generated to add Google Play services to your project for
App Indexing. See https://g.co/AppIndexing/AndroidStudio for more information.
-->
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<activity
android:name=".RegisterActivity"
android:label="@string/title_activity_register"
android:theme="@style/AppTheme.NoActionBar"></activity>
</application>
</manifest>
我的Logcat：
04-28 09:20:46.301 3727-3727/com.example.jared.myweatherapp E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.jared.myweatherapp, PID: 3727
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.jared.myweatherapp/com.example.jared.myweatherapp.MapActivity}: android.view.InflateException: Binary XML file line #24: Binary XML file line #141: Error inflating class fragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.view.InflateException: Binary XML file line #24: Binary XML file line #141: Error inflating class fragment
at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393)
at android.app.Activity.setContentView(Activity.java:2166)
at com.example.jared.myweatherapp.MapActivity.onCreate(MapActivity.java:83)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.view.InflateException: Binary XML file line #141: Error inflating class fragment
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:782)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:971)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:831)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393)
at android.app.Activity.setContentView(Activity.java:2166)
at com.example.jared.myweatherapp.MapActivity.onCreate(MapActivity.java:83)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.RuntimeException: API key not found. Check that <meta-data android:name="com.google.android.geo.API_KEY" android:value="your API key"/> is in the <application> element of AndroidManifest.xml
at com.google.maps.api.android.lib6.c.ad.a(Unknown Source)
at com.google.maps.api.android.lib6.a.e.a(Unknown Source)
at com.google.android.gms.maps.internal.CreatorImpl.b(Unknown Source)
at com.google.android.gms.maps.internal.CreatorImpl.b(Unknown Source)
at com.google.android.gms.maps.internal.h.onTransact(SourceFile:62)
at android.os.Binder.transact(Binder.java:387)
at com.google.android.gms.maps.internal.ah.b(SourceFile:179)
at com.google.android.gms.maps.internal.CreatorImpl.b(SourceFile:100)
at com.google.android.gms.maps.internal.ag.onTransact(SourceFile:62)
at android.os.Binder.transact(Binder.java:387)
at com.google.android.gms.maps.internal.zzc$zza$zza.zzs(Unknown Source)
at com.google.android.gms.maps.SupportMapFragment$zzb.zzzW(Unknown Source)
at com.google.android.gms.maps.SupportMapFragment$zzb.zza(Unknown Source)
at com.google.android.gms.dynamic.zza.zza(Unknown Source)
at com.google.android.gms.dynamic.zza.onInflate(Unknown Source)
at com.google.android.gms.maps.SupportMapFragment.onInflate(Unknown Source)
at android.support.v4.app.Fragment.onInflate(Fragment.java:1142)
at android.support.v4.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2287)
at android.support.v4.app.FragmentController.onCreateView(FragmentController.java:120)
at android.support.v4.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:357)
at android.support
非常感谢