在支持Android Cupcake(1.5)的设备上,如何检查和激活GPS?
当前回答
下面是在我的情况下工作的片段
final LocationManager manager = (LocationManager) getSystemService(Context.LOCATION_SERVICE );
if ( !manager.isProviderEnabled( LocationManager.GPS_PROVIDER ) ) {
buildAlertMessageNoGps();
}
`
其他回答
以下是步骤:
步骤1:创建在后台运行的服务。
步骤2:在Manifest文件中也需要以下权限:
android.permission.ACCESS_FINE_LOCATION
步骤3:编写代码:
final LocationManager manager = (LocationManager)context.getSystemService (Context.LOCATION_SERVICE );
if ( !manager.isProviderEnabled( LocationManager.GPS_PROVIDER ) )
Toast.makeText(context, "GPS is disabled!", Toast.LENGTH_LONG).show();
else
Toast.makeText(context, "GPS is enabled!", Toast.LENGTH_LONG).show();
第四步:或者你可以简单地使用:
LocationManager manager = (LocationManager) getSystemService(Context.LOCATION_SERVICE );
boolean statusOfGPS = manager.isProviderEnabled(LocationManager.GPS_PROVIDER);
步骤5:持续运行服务以监控连接。
此方法将使用LocationManager服务。
来源链接
//Check GPS Status true/false
public static boolean checkGPSStatus(Context context){
LocationManager manager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE );
boolean statusOfGPS = manager.isProviderEnabled(LocationManager.GPS_PROVIDER);
return statusOfGPS;
};
下面是在我的情况下工作的片段
final LocationManager manager = (LocationManager) getSystemService(Context.LOCATION_SERVICE );
if ( !manager.isProviderEnabled( LocationManager.GPS_PROVIDER ) ) {
buildAlertMessageNoGps();
}
`
Kotlin解决方案:
private fun locationEnabled() : Boolean {
val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
return locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)
}
最好的方法似乎如下:
final LocationManager manager = (LocationManager) getSystemService( Context.LOCATION_SERVICE );
if ( !manager.isProviderEnabled( LocationManager.GPS_PROVIDER ) ) {
buildAlertMessageNoGps();
}
private void buildAlertMessageNoGps() {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Your GPS seems to be disabled, do you want to enable it?")
.setCancelable(false)
.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
public void onClick(@SuppressWarnings("unused") final DialogInterface dialog, @SuppressWarnings("unused") final int id) {
startActivity(new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS));
}
})
.setNegativeButton("No", new DialogInterface.OnClickListener() {
public void onClick(final DialogInterface dialog, @SuppressWarnings("unused") final int id) {
dialog.cancel();
}
});
final AlertDialog alert = builder.create();
alert.show();
}
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