Question

我正在开发一款需要激活GPS的Android应用程序。

我在很多论坛上阅读了很多主题，我找到的答案是：

不可能

但是......“Cerberus”APP打开我的GPS ......所以......这是可能的！

任何人都可以帮我吗？

Answer 1

不是不可能，也不合适。没有他的权限，你不能只管理用户电话。

来自Play商店：

“当您尝试本地化设备时，Cerberus会自动启用GPS （仅适用于Android＆lt; 2.3.3），您可以保护它免受未经授权的卸载 - 应用中的更多信息配置。“

您可以这样做：

startActivity(new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS));

Answer 2

曾经有一个漏洞允许GPS被没有特殊权限的应用程序打开。从2.3（大多数ROM）开始，该漏洞不再存在。这是另一篇谈论它的帖子，

How can I enable or disable the GPS programmatically on Android?

“启用GPS”是一种安全设置，因此您必须具有WRITE_SECURE_SETTINGS权限。这是受签名保护的权限，因此除非使用制造商的平台证书进行签名，否则不会授予您应用。

正确的做法是将用户发送到位置设置页面，让他们根据需要启用GPS。如，

Intent i = new
Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(i);

Answer 3

我认为我们有更好的版本来启用位置，而不像谷歌地图那样打开设置。

看起来像这样 -

在Gradle中添加依赖关系 - 编译'com.google.android.gms：play-services-location：10.0.1'

public class MapActivity extends AppCompatActivity {

    protected static final String TAG = "LocationOnOff";


    private GoogleApiClient googleApiClient;
    final static int REQUEST_LOCATION = 199;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        this.setFinishOnTouchOutside(true);

        // Todo Location Already on  ... start
        final LocationManager manager = (LocationManager) MapActivity.this.getSystemService(Context.LOCATION_SERVICE);
        if (manager.isProviderEnabled(LocationManager.GPS_PROVIDER) && hasGPSDevice(MapActivity.this)) {
            Toast.makeText(MapActivity.this,"Gps already enabled",Toast.LENGTH_SHORT).show();
            finish();
        }
        // Todo Location Already on  ... end

        if(!hasGPSDevice(MapActivity.this)){
            Toast.makeText(MapActivity.this,"Gps not Supported",Toast.LENGTH_SHORT).show();
        }

        if (!manager.isProviderEnabled(LocationManager.GPS_PROVIDER) && hasGPSDevice(MapActivity.this)) {
            Log.e("TAG","Gps already enabled");
            Toast.makeText(MapActivity.this,"Gps not enabled",Toast.LENGTH_SHORT).show();
            enableLoc();
        }else{
            Log.e("TAG","Gps already enabled");
            Toast.makeText(MapActivity.this,"Gps already enabled",Toast.LENGTH_SHORT).show();
        }
    }


    private boolean hasGPSDevice(Context context) {
        final LocationManager mgr = (LocationManager) context
                .getSystemService(Context.LOCATION_SERVICE);
        if (mgr == null)
            return false;
        final List<String> providers = mgr.getAllProviders();
        if (providers == null)
            return false;
        return providers.contains(LocationManager.GPS_PROVIDER);
    }

    private void enableLoc() {

        if (googleApiClient == null) {
            googleApiClient = new GoogleApiClient.Builder(MapActivity.this)
                    .addApi(LocationServices.API)
                    .addConnectionCallbacks(new GoogleApiClient.ConnectionCallbacks() {
                        @Override
                        public void onConnected(Bundle bundle) {

                        }

                        @Override
                        public void onConnectionSuspended(int i) {
                            googleApiClient.connect();
                        }
                    })
                    .addOnConnectionFailedListener(new GoogleApiClient.OnConnectionFailedListener() {
                        @Override
                        public void onConnectionFailed(ConnectionResult connectionResult) {

                            Log.d("Location error","Location error " + connectionResult.getErrorCode());
                        }
                    }).build();
            googleApiClient.connect();
         }

         LocationRequest locationRequest = LocationRequest.create();
            locationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
         locationRequest.setInterval(30 * 1000);
         locationRequest.setFastestInterval(5 * 1000);
         LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder()
                    .addLocationRequest(locationRequest);

         builder.setAlwaysShow(true);

         PendingResult<LocationSettingsResult> result =
                    LocationServices.SettingsApi.checkLocationSettings(googleApiClient, builder.build());
         result.setResultCallback(new ResultCallback<LocationSettingsResult>() {
            @Override
            public void onResult(LocationSettingsResult result) {
                final Status status = result.getStatus();
                switch (status.getStatusCode()) {
                  case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:
                       try {
                           // Show the dialog by calling startResolutionForResult(),
                           // and check the result in onActivityResult().
                                status.startResolutionForResult(MapActivity.this, REQUEST_LOCATION);

                           finish();
                       } catch (IntentSender.SendIntentException e) {
                           // Ignore the error.
                       }
                       break;
                 }
             }
         });
     }

}

Answer 4

    if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setMessage(R.string.gps_disabled_message)
        .setCancelable(false)
        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int id) {
                    Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
                    startActivity(intent);                  
            }
        })
        .setNegativeButton("No", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int id) {
                dialog.cancel();
            }
        });
        AlertDialog alert = builder.create();
        alert.show();
    }

这会创建一个提醒，并允许用户转到设置屏幕并点击后退按钮直接返回到您的应用。根据我的知识，电源小部件利用不会超过2.3。

Answer 5

使用此代码 // turnGPSON在setcontentView（xml）之后调用

 private void turnGPSOn() {

    String provider = android.provider.Settings.Secure.getString(
            getContentResolver(),
            android.provider.Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
    if (!provider.contains("gps")) { // if gps is disabled
        final Intent poke = new Intent();
        poke.setClassName("com.android.settings",
                "com.android.settings.widget.SettingsAppWidgetProvider");
        poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
        poke.setData(Uri.parse("3"));
        sendBroadcast(poke);
    }
}**

Answer 6

你可能想看一下这个帖子

How can I enable or disable the GPS programmatically on Android?

这是从该线程复制的代码

private void turnGPSOn(){
    String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);

    if(!provider.contains("gps")){ //if gps is disabled
        final Intent poke = new Intent();
        poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider"); 
        poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
        poke.setData(Uri.parse("3")); 
        sendBroadcast(poke);
    }
}

private void turnGPSOff(){
    String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);

    if(provider.contains("gps")){ //if gps is enabled
        final Intent poke = new Intent();
        poke.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");
        poke.addCategory(Intent.CATEGORY_ALTERNATIVE);
        poke.setData(Uri.parse("3")); 
        sendBroadcast(poke);


   }
}

但不推荐使用该解决方案，因为它不适用于Android版本＆gt; 2.3假设......做检查评论

Answer 7

GoogleApiClient 已被弃用，我们需要使用 SettingsClient 和GoogleApi来启用GPS，而无需像Google Maps一样转到“位置设置” ，OLA，Zomato等。以下代码支持从4.4或更低版本到11+的任何Android版本

gradle文件中需要的依赖性：

implementation 'com.google.android.gms:play-services-location:17.1.0'

要检查GPS状态为打开还是关闭：

private static LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
public static boolean isGpsEnabled(){
        return locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
    }

如果已经启用GPS，则我们将显示烤面包通知，否则将要求打开GPS。

//Defining constant request code, add in your activity class
private static final int REQUEST_CHECK_SETTINGS = 111;

if(!isGpsEnabled()){
            LocationRequest locationRequest = LocationRequest.create();
            locationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
            LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder()
                    .addLocationRequest(locationRequest);

        builder.setAlwaysShow(true); //this displays dialog box like Google Maps with two buttons - OK and NO,THANKS

        Task<LocationSettingsResponse> task =
                LocationServices.getSettingsClient(this).checkLocationSettings(builder.build());

        task.addOnCompleteListener(new OnCompleteListener<LocationSettingsResponse>() {
            @Override
            public void onComplete(Task<LocationSettingsResponse> task) {
                try {
                    LocationSettingsResponse response = task.getResult(ApiException.class);
                    // All location settings are satisfied. The client can initialize location
                    // requests here.
                } catch (ApiException exception) {
                    switch (exception.getStatusCode()) {
                        case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:
                            // Location settings are not satisfied. But could be fixed by showing the
                            // user a dialog.
                            try {
                                // Cast to a resolvable exception.
                                ResolvableApiException resolvable = (ResolvableApiException) exception;
                                // Show the dialog by calling startResolutionForResult(),
                                // and check the result in onActivityResult().
                                resolvable.startResolutionForResult(
                                        YOUR_ACTIVITY.this,
                                        REQUEST_CHECK_SETTINGS);
                            } catch (IntentSender.SendIntentException e) {
                                // Ignore the error.
                            } catch (ClassCastException e) {
                                // Ignore, should be an impossible error.
                            }
                            break;
                        case LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE:
                            // Location settings are not satisfied. However, we have no way to fix the
                            // settings so we won't show the dialog.
                            break;
                    }
                }
            }
        });
    } else {
        Toast.makeText(getApplicationContext(), "GPS is already Enabled!", Toast.LENGTH_SHORT).show();
    }
}

如果GPS未打开，则流程将到达RESOLUTION_REQUIRED，它将调用startResolutionForResult，它将由onActivityResult处理

现在，添加onActivityResult方法-

@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        final LocationSettingsStates states = LocationSettingsStates.fromIntent(data);

        switch (requestCode) {
            case REQUEST_CHECK_SETTINGS:
                switch (resultCode) {
                    case Activity.RESULT_OK:
                        // All required changes were successfully made
                        Toast.makeText(getApplicationContext(),"User has clicked on OK - So GPS is on", Toast.LENGTH_SHORT).show();
                        break;
                    case Activity.RESULT_CANCELED:
                        // The user was asked to change settings, but chose not to
                        Toast.makeText(getApplicationContext(),"User has clicked on NO, THANKS - So GPS is still off.", Toast.LENGTH_SHORT).show();
                        break;
                    default:
                        break;
                }
                break;
        }
    }

如果resultCode为RESULT_OK，则意味着用户被允许为RESULT_CANCELED打开GPS，您可以再次询问或显示基本原理对话框。

您可以将以上代码包装在方法中，并在需要时调用
在构建LocationRequest时，您可以根据应用程序的需要设置Interval，Priority，SmallestDisplacement，FastestInterval等。
我们使用Task api代替了PendingResult

有关正式文件，请参阅-https://developers.google.com/android/reference/com/google/android/gms/location/SettingsClient

如何在Android上打开GPS

7 个答案: