BasicLocation/app/src/main/java/com/google/android/gms/location/sample/basiclocationsample/MainActivity.java [208:234]:
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            } else {
                // Permission denied.

                // Notify the user via a SnackBar that they have rejected a core permission for the
                // app, which makes the Activity useless. In a real app, core permissions would
                // typically be best requested during a welcome-screen flow.

                // Additionally, it is important to remember that a permission might have been
                // rejected without asking the user for permission (device policy or "Never ask
                // again" prompts). Therefore, a user interface affordance is typically implemented
                // when permissions are denied. Otherwise, your app could appear unresponsive to
                // touches or interactions which have required permissions.
                showSnackbar(R.string.permission_denied_explanation, R.string.settings,
                        new View.OnClickListener() {
                            @Override
                            public void onClick(View view) {
                                // Build intent that displays the App settings screen.
                                Intent intent = new Intent();
                                intent.setAction(
                                        Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
                                Uri uri = Uri.fromParts("package",
                                        BuildConfig.APPLICATION_ID, null);
                                intent.setData(uri);
                                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                                startActivity(intent);
                            }
                        });
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LocationAddress/app/src/main/java/com/google/android/gms/location/sample/locationaddress/MainActivity.java [387:413]:
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            } else {
                // Permission denied.

                // Notify the user via a SnackBar that they have rejected a core permission for the
                // app, which makes the Activity useless. In a real app, core permissions would
                // typically be best requested during a welcome-screen flow.

                // Additionally, it is important to remember that a permission might have been
                // rejected without asking the user for permission (device policy or "Never ask
                // again" prompts). Therefore, a user interface affordance is typically implemented
                // when permissions are denied. Otherwise, your app could appear unresponsive to
                // touches or interactions which have required permissions.
                showSnackbar(R.string.permission_denied_explanation, R.string.settings,
                        new View.OnClickListener() {
                            @Override
                            public void onClick(View view) {
                                // Build intent that displays the App settings screen.
                                Intent intent = new Intent();
                                intent.setAction(
                                        Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
                                Uri uri = Uri.fromParts("package",
                                        BuildConfig.APPLICATION_ID, null);
                                intent.setData(uri);
                                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                                startActivity(intent);
                            }
                        });
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