[英]Google Maps app force closes - Android Studio
我知道这个问题已经一次又一次地被问到,但没有得到回答,我已经搜索了几个小时试图解决这个问题,但我正在开发的应用程序集成了谷歌地图。 它利用滑出的侧边导航抽屉,您可以选择片段然后切换视图。 话虽如此,我已经安装了此应用程序运行所需的所有库,它可以正确编译和构建,但是每当我单击包含该应用程序的片段时,它就会崩溃。 所以这是我的文件。
MainActivity.java -
package com.raziel.android.publictoilet;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
public class MainActivity extends ActionBarActivity
implements NavigationDrawerFragment.NavigationDrawerCallbacks {
/**
* Fragment managing the behaviors, interactions and presentation of the navigation drawer.
*/
private NavigationDrawerFragment mNavigationDrawerFragment;
/**
* Used to store the last screen title. For use in {@link #restoreActionBar()}.
*/
private CharSequence mTitle;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mNavigationDrawerFragment = (NavigationDrawerFragment)
getSupportFragmentManager().findFragmentById(R.id.navigation_drawer);
mTitle = getTitle();
// Set up the drawer.
mNavigationDrawerFragment.setUp(
R.id.navigation_drawer,
(DrawerLayout) findViewById(R.id.drawer_layout));
}
@Override
public void onNavigationDrawerItemSelected(int position) {
//Switches the Fragmentx.java
Fragment fragment;
switch (position){
case 1:
fragment = FirstFragment.newInstance(position + 1);
break;
case 2:
fragment = SecondFragment.newInstance(position + 1);
break;
case 3:
fragment = ThirdFragment.newInstance(position + 1);
break;
}
// update the main content by replacing fragments
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.container, PlaceholderFragment.newInstance(position + 1))
.commit();
}
public void onSectionAttached(int number) {
switch (number) {
case 1:
mTitle = getString(R.string.title_section1);
break;
case 2:
mTitle = getString(R.string.title_section2);
break;
case 3:
mTitle = getString(R.string.title_section3);
break;
case 4:
mTitle = getString(R.string.title_section4);
break;
}
}
public void restoreActionBar() {
ActionBar actionBar = getSupportActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
actionBar.setDisplayShowTitleEnabled(true);
actionBar.setTitle(mTitle);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
if (!mNavigationDrawerFragment.isDrawerOpen()) {
// Only show items in the action bar relevant to this screen
// if the drawer is not showing. Otherwise, let the drawer
// decide what to show in the action bar.
getMenuInflater().inflate(R.menu.main, menu);
restoreActionBar();
return true;
}
return super.onCreateOptionsMenu(menu);
}
@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);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
/**
* The fragment argument representing the section number for this
* fragment.
*/
private static final String ARG_SECTION_NUMBER = "section_number";
/**
* Returns a new instance of this fragment for the given section
* number.
*/
public static PlaceholderFragment newInstance(int sectionNumber) {
PlaceholderFragment fragment = new PlaceholderFragment();
Bundle args = new Bundle();
args.putInt(ARG_SECTION_NUMBER, sectionNumber);
fragment.setArguments(args);
return fragment;
}
public PlaceholderFragment() {
}
//Switches views and inflates fragments in container
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = null;
rootView = inflater.inflate(R.layout.fragment_main, container, false);
switch(getArguments().getInt(ARG_SECTION_NUMBER)) {
case 1:
rootView = inflater.inflate(R.layout.fragment_main, container, false);
break;
case 2:
rootView = inflater.inflate(R.layout.map, container, false);
break;
case 3:
rootView = inflater.inflate(R.layout.submittoilet, container, false);
break;
case 4:
//rootView = inflater.inflate(R.layout.fragment_info, container, false);
break;
}
return rootView;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
((MainActivity) activity).onSectionAttached(
getArguments().getInt(ARG_SECTION_NUMBER));
}
}
}
map.java - 这是保存真正的“地图代码”,这是因为 MainActivity 下的侧面布局扩展了 ActionBarActivity...NavigationDrawerCallbacks,它不能实现两个不同的回调函数。 包 com.raziel.android.publictoilet;
import android.app.Activity;
import android.os.Bundle;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
public class map extends Activity implements OnMapReadyCallback {
// Used to call the map and inflate fragment in container
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.map);
MapFragment mapFragment = (MapFragment) getFragmentManager()
.findFragmentById(R.id.the_map);
mapFragment.getMapAsync(this);
}
@Override
public void onMapReady(GoogleMap map) {
LatLng sydney = new LatLng(-33.867, 151.206);
map.setMyLocationEnabled(true);
map.moveCamera(CameraUpdateFactory.newLatLngZoom(sydney, 13));
map.addMarker(new MarkerOptions()
.title("Sydney")
.snippet("The most populous city in Australia.")
.position(sydney));
}
}
现在侧面有部分。 全部带有标签,保存地图的标签名为 map.xml -
<?xml version="1.0" encoding="utf-8"?>
<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:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context=".MainActivity$PlaceholderFragment">
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:id="@+id/the_map"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</RelativeLayout>
这是我的 AndroidManifest.xml 文件。 这包含我的地图应用程序可能需要的所有必要部分,例如包含的 API_KEY。
AndroidManifest.xml -
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.raziel.android.publictoilet"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="14"
android:targetSdkVersion="22" />
<!-- Include required permissions for Google Mobile Ads to run -->
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
<android:uses-permission
android:name="android.permission.READ_EXTERNAL_STORAGE"
android:maxSdkVersion="18" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.USE_CREDENTIALS" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.raziel.android.publictoilet.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data
android:name="com.raziel.android.publictoilet.API_KEY"
android:value="AIzaSyAD8T-3hzTjWAJEuM4jQoUd-wj7IC6k2sc" />
<meta-data
android:name="com.raziel.android.publictoilet.gms.version"
android:value="@integer/google_play_services_version" />
<!-- Include the AdActivity and InAppPurchaseActivity configChanges and themes. -->
<activity
android:name="com.google.android.gms.ads.AdActivity"
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
android:theme="@android:style/Theme.Translucent" />
<activity
android:name="com.google.android.gms.ads.purchase.InAppPurchaseActivity"
android:theme="@style/Theme.IAPTheme" />
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<meta-data
android:name="com.google.android.gms.wallet.api.enabled"
android:value="true" />
<receiver
android:name="com.google.android.gms.wallet.EnableWalletOptimizationReceiver"
android:exported="false" >
<intent-filter>
<action android:name="com.google.android.gms.wallet.ENABLE_WALLET_OPTIMIZATION" />
</intent-filter>
</receiver>
</application>
logcat 显示它是由以下原因引起的:
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
但问题是我无法更改 AndroidManifest.xml 文件来解决此问题,因为它会自动重新生成每个构建! 您可以清楚地看到它在 AndroidManifest.xml 中。 我曾尝试将其设为只读,但它只会永远编译而不会抛出任何错误。 任何人都可以请帮忙。 这又是在 Android Studio 中。
没关系我修好了。 该应用程序正在生成一个 AndroidManifest.xml 文件,我正在尝试对其进行编辑。 那是错误的。 正确的位于 app/src/main 中,我在其中添加了我的密钥。 感谢那个给我投票的人,真的很有帮助。
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