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Original file line number Diff line number Diff line change
@@ -1,9 +1,11 @@
package agency.tango.materialintroscreen.fragments;

import android.content.pm.PackageManager;
import android.os.Build;
import android.support.annotation.ColorRes;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.text.TextUtils;

import java.util.ArrayList;
import java.util.Collections;
Expand Down Expand Up @@ -43,6 +45,10 @@ public String[] neededPermissions() {
}

public boolean hasAnyPermissionsToGrant() {
if (!isAndroidVersionSupportingPermissions()) {
return false;
}

boolean hasPermissionToGrant = hasPermissionsToGrant(neededPermissions());
if (!hasPermissionToGrant) {
hasPermissionToGrant = hasPermissionsToGrant(possiblePermissions());
Expand All @@ -60,7 +66,7 @@ public void askForPermissions() {

if (neededPermissions() != null) {
for (String permission : neededPermissions()) {
if (isNotNullOrEmpty(permission)) {
if (!TextUtils.isEmpty(permission)) {
if (ContextCompat.checkSelfPermission(getContext(), permission)
!= PackageManager.PERMISSION_GRANTED) {
notGrantedPermissions.add(permission);
Expand All @@ -70,7 +76,7 @@ public void askForPermissions() {
}
if (possiblePermissions() != null) {
for (String permission : possiblePermissions()) {
if (isNotNullOrEmpty(permission)) {
if (!TextUtils.isEmpty(permission)) {
if (ContextCompat.checkSelfPermission(getContext(), permission)
!= PackageManager.PERMISSION_GRANTED) {
notGrantedPermissions.add(permission);
Expand All @@ -86,9 +92,13 @@ public void askForPermissions() {

@SuppressWarnings({"PMD.CollapsibleIfStatements"})
private boolean hasPermissionsToGrant(String[] permissions) {
if (!isAndroidVersionSupportingPermissions()) {
return false;
}

if (permissions != null) {
for (String permission : permissions) {
if (isNotNullOrEmpty(permission)) {
if (!TextUtils.isEmpty(permission)) {
if (ContextCompat.checkSelfPermission(getContext(), permission)
!= PackageManager.PERMISSION_GRANTED) {
return true;
Expand All @@ -106,7 +116,7 @@ private String[] removeEmptyAndNullStrings(final ArrayList<String> permissions)
return list.toArray(new String[list.size()]);
}

public static boolean isNotNullOrEmpty(String string) {
return string != null && !string.isEmpty();
private boolean isAndroidVersionSupportingPermissions() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M;
}
}
Original file line number Diff line number Diff line change
@@ -1,17 +1,16 @@
package agency.tango.materialintroscreen.listeners;

import android.text.TextUtils;
import android.util.SparseArray;
import android.view.View;
import android.view.animation.AnimationUtils;
import android.widget.Button;

import agency.tango.materialintroscreen.behaviours.MessageButtonBehaviour;
import agency.tango.materialintroscreen.R;
import agency.tango.materialintroscreen.adapter.SlidesAdapter;
import agency.tango.materialintroscreen.behaviours.MessageButtonBehaviour;
import agency.tango.materialintroscreen.fragments.SlideFragmentBase;

import static agency.tango.materialintroscreen.fragments.SlideFragmentBase.isNotNullOrEmpty;


public class MessageButtonBehaviourOnPageSelected implements IPageSelectedListener {

Expand Down Expand Up @@ -53,7 +52,7 @@ public void onClick(View view) {
}

private boolean checkIfMessageButtonHasBehaviour(int position) {
return messageButtonBehaviours.get(position) != null && isNotNullOrEmpty(
return messageButtonBehaviours.get(position) != null && !TextUtils.isEmpty(
messageButtonBehaviours.get(position).getMessageButtonText());
}

Expand Down