Integrated NDK and Pass Code Feature

mifosng-android/src/main/AndroidManifest.xml

@@ -132,6 +132,10 @@
             android:label="@string/sync_savingsaccounttransactions"
             android:screenOrientation="portrait"/>
 
+        <activity
+            android:name=".passcode.PassCodeActivity"
+            android:label="@string/pass_code"
+            android:screenOrientation="portrait" />
 
         <service android:name=".activity.pathtracking.PathTrackingService"
             android:exported="false"/>

mifosng-android/src/main/java/com/mifos/mifosxdroid/SplashScreenActivity.java

@@ -12,6 +12,7 @@
 import com.mifos.mifosxdroid.core.MifosBaseActivity;
 import com.mifos.mifosxdroid.login.LoginActivity;
 import com.mifos.mifosxdroid.online.DashboardActivity;
+import com.mifos.utils.ForegroundChecker;
 import com.mifos.utils.PrefManager;
 
 
@@ -24,6 +25,7 @@ public class SplashScreenActivity extends MifosBaseActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_splash);
+        ForegroundChecker.init();
         if (!PrefManager.isAuthenticated()) {
             PrefManager.setInstanceUrl(BaseUrl.PROTOCOL_HTTPS
                     + BaseUrl.API_ENDPOINT + BaseUrl.API_PATH);

mifosng-android/src/main/java/com/mifos/mifosxdroid/core/MifosBaseActivity.java

@@ -24,13 +24,16 @@
 import com.mifos.mifosxdroid.injection.component.ActivityComponent;
 import com.mifos.mifosxdroid.injection.component.DaggerActivityComponent;
 import com.mifos.mifosxdroid.injection.module.ActivityModule;
+import com.mifos.mifosxdroid.passcode.PassCodeActivity;
 import com.mifos.utils.Constants;
+import com.mifos.utils.ForegroundChecker;
 import com.mifos.utils.PrefManager;
 
 /**
  * @author fomenkoo
  */
-public class MifosBaseActivity extends AppCompatActivity implements BaseActivityCallback {
+public class MifosBaseActivity extends AppCompatActivity implements BaseActivityCallback,
+        ForegroundChecker.Listener {
 
     protected Toolbar toolbar;
     private ActivityComponent mActivityComponent;
@@ -128,8 +131,12 @@ public void hideKeyboard(View view) {
 
     @Override
     public void logout() {
-        PrefManager.clearPrefs();
-        startActivity(new Intent(this, SplashScreenActivity.class));
+        if (PrefManager.getPassCodeStatus()) {
+            startActivity(new Intent(this, PassCodeActivity.class));
+        } else {
+            PrefManager.clearPrefs();
+            startActivity(new Intent(this, SplashScreenActivity.class));
+        }
         finish();
     }
 
@@ -158,4 +165,24 @@ public void clearFragmentBackStack() {
             fm.popBackStack(backStackId, FragmentManager.POP_BACK_STACK_INCLUSIVE);
         }
     }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        ForegroundChecker.get().addListener(this);
+        ForegroundChecker.get().onActivityResumed();
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        ForegroundChecker.get().onActivityPaused();
+    }
+
+    @Override
+    public void onBecameForeground() {
+        Intent intent = new Intent(this, PassCodeActivity.class);
+        intent.putExtra(Constants.INTIAL_LOGIN, false);
+        startActivity(intent);
+    }
 }

mifosng-android/src/main/java/com/mifos/mifosxdroid/injection/component/ActivityComponent.java

@@ -57,6 +57,7 @@
 import com.mifos.mifosxdroid.online.search.SearchFragment;
 import com.mifos.mifosxdroid.online.surveylist.SurveyListFragment;
 import com.mifos.mifosxdroid.online.surveysubmit.SurveySubmitFragment;
+import com.mifos.mifosxdroid.passcode.PassCodeActivity;
 
 import dagger.Component;
 
@@ -70,6 +71,8 @@ public interface ActivityComponent {
 
     void inject(LoginActivity loginActivity);
 
+    void inject(PassCodeActivity passCodeActivity);
+
     void inject(CenterListFragment centerListFragment);
 
     void inject(ClientChargeFragment clientChargeFragment);

mifosng-android/src/main/java/com/mifos/mifosxdroid/login/LoginActivity.java

@@ -24,7 +24,9 @@
 import com.mifos.mifosxdroid.core.MifosBaseActivity;
 import com.mifos.mifosxdroid.core.util.Toaster;
 import com.mifos.mifosxdroid.online.DashboardActivity;
+import com.mifos.mifosxdroid.passcode.PassCodeActivity;
 import com.mifos.objects.user.User;
+import com.mifos.utils.Constants;
 import com.mifos.utils.Network;
 import com.mifos.utils.PrefManager;
 import com.mifos.utils.ValidationUtil;
@@ -180,7 +182,13 @@ public void onLoginSuccessful(User user) {
         Toast.makeText(this, getString(R.string.toast_welcome) + " " + user.getUsername(),
                 Toast.LENGTH_SHORT).show();
 
-        startActivity(new Intent(this, DashboardActivity.class));
+        if (PrefManager.getPassCodeStatus()) {
+            startActivity(new Intent(this, DashboardActivity.class));
+        } else {
+            Intent intent = new Intent(this, PassCodeActivity.class);
+            intent.putExtra(Constants.INTIAL_LOGIN, true);
+            startActivity(intent);
+        }
         finish();
     }
 

mifosng-android/src/main/java/com/mifos/mifosxdroid/passcode/PassCodeActivity.java

@@ -0,0 +1,221 @@
+package com.mifos.mifosxdroid.passcode;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.content.ContextCompat;
+import android.support.v4.widget.NestedScrollView;
+import android.support.v7.widget.AppCompatButton;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.mifos.mifosxdroid.R;
+import com.mifos.mifosxdroid.core.MifosBaseActivity;
+import com.mifos.mifosxdroid.core.util.Toaster;
+import com.mifos.mifosxdroid.login.LoginActivity;
+import com.mifos.mifosxdroid.online.DashboardActivity;
+import com.mifos.utils.Constants;
+import com.mifos.utils.EncryptionUtil;
+import com.mifos.utils.Network;
+import com.mifos.utils.PassCodeView;
+import com.mifos.utils.PrefManager;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+public class PassCodeActivity extends MifosBaseActivity {
+
+    @BindView(R.id.cl_rootview)
+    NestedScrollView clRootview;
+
+    @BindView(R.id.btn_login)
+    AppCompatButton btnLogin;
+
+    @BindView(R.id.btn_forgot_passcode)
+    AppCompatButton btnForgotPasscode;
+
+    @BindView(R.id.pv_passcode)
+    PassCodeView passCodeView;
+
+    @BindView(R.id.btn_skip)
+    AppCompatButton btnSkip;
+
+    @BindView(R.id.btn_save)
+    AppCompatButton btnSave;
+
+    @BindView(R.id.tv_passcode)
+    TextView tvPasscodeIntro;
+
+    @BindView(R.id.iv_visibility)
+    ImageView ivVisibility;
+
+    private int counter = 0;
+    private boolean isInitialScreen;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_pass_code);
+        getActivityComponent().inject(this);
+        ButterKnife.bind(this);
+
+        isInitialScreen = getIntent().getBooleanExtra(Constants.INTIAL_LOGIN, false);
+
+        if (PrefManager.getPassCodeStatus()) {
+            btnSkip.setVisibility(View.GONE);
+            btnSave.setVisibility(View.GONE);
+            tvPasscodeIntro.setVisibility(View.GONE);
+            btnLogin.setVisibility(View.VISIBLE);
+            btnForgotPasscode.setVisibility(View.VISIBLE);
+        }
+    }
+
+    @OnClick(R.id.btn_skip)
+    public void skip() {
+        startDashBoardActivity();
+    }
+
+    @OnClick(R.id.btn_save)
+    public void savePassCode() {
+        if (isPassCodeLengthCorrect()) {
+            PrefManager.setPassCode(EncryptionUtil.getHash(passCodeView.getPasscode()));
+            startDashBoardActivity();
+        }
+    }
+
+    @OnClick(R.id.btn_login)
+    public void loginUsingPassCode() {
+
+        if (!isInternetAvailable()) {
+            return;
+        }
+
+        if (counter == 3) {
+            Toaster.show(clRootview, R.string.incorrect_passcode_more_than_three);
+            PrefManager.clearPrefs();
+            startLoginActivity();
+            return;
+        }
+
+        if (isPassCodeLengthCorrect()) {
+            String passwordEntered = EncryptionUtil.getHash(passCodeView.getPasscode());
+            if (PrefManager.getPassCode().equals(passwordEntered)) {
+                startDashBoardActivity();
+            } else {
+                counter++;
+                passCodeView.clearPasscodeField();
+                Toaster.show(clRootview, R.string.incorrect_passcode);
+            }
+        }
+    }
+
+    @OnClick(R.id.btn_forgot_passcode)
+    public void forgotPassCode() {
+        PrefManager.clearPrefs();
+        startLoginActivity();
+    }
+
+    private boolean isInternetAvailable() {
+        if (Network.isOnline(this)) {
+            return true;
+        } else {
+            Toaster.show(clRootview, getString(R.string.error_not_connected_internet));
+            return false;
+        }
+    }
+
+    @OnClick(R.id.btn_one)
+    public void clickedOne() {
+        passCodeView.enterCode(getString(R.string.one));
+    }
+
+    @OnClick(R.id.btn_two)
+    public void clickedTwo() {
+        passCodeView.enterCode(getString(R.string.two));
+    }
+
+    @OnClick(R.id.btn_three)
+    public void clickedThree() {
+        passCodeView.enterCode(getString(R.string.three));
+    }
+
+    @OnClick(R.id.btn_four)
+    public void clickedFour() {
+        passCodeView.enterCode(getString(R.string.four));
+    }
+
+    @OnClick(R.id.btn_five)
+    public void clickedFive() {
+        passCodeView.enterCode(getString(R.string.five));
+    }
+
+    @OnClick(R.id.btn_six)
+    public void clickedSix() {
+        passCodeView.enterCode(getString(R.string.six));
+    }
+
+    @OnClick(R.id.btn_seven)
+    public void clickedSeven() {
+        passCodeView.enterCode(getString(R.string.seven));
+    }
+
+    @OnClick(R.id.btn_eight)
+    public void clickedEight() {
+        passCodeView.enterCode(getString(R.string.eight));
+    }
+
+    @OnClick(R.id.btn_nine)
+    public void clickedNine() {
+        passCodeView.enterCode(getString(R.string.nine));
+    }
+
+    @OnClick(R.id.btn_zero)
+    public void clickedZero() {
+        passCodeView.enterCode(getString(R.string.zero));
+    }
+
+    @OnClick(R.id.btn_back)
+    public void clickedBackSpace() {
+        passCodeView.backSpace();
+    }
+
+    @OnClick(R.id.iv_visibility)
+    public void visibilityChange() {
+        passCodeView.revertPassCodeVisibility();
+        if (!passCodeView.passcodeVisible()) {
+            ivVisibility.setColorFilter(ContextCompat.getColor(PassCodeActivity.this,
+                    R.color.light_grey));
+        } else {
+            ivVisibility.setColorFilter(ContextCompat.getColor(PassCodeActivity.this,
+                    R.color.gray_dark));
+        }
+    }
+    private boolean isPassCodeLengthCorrect() {
+        if (passCodeView.getPasscode().length() == 4) {
+            return true;
+        }
+        Toaster.show(clRootview, getString(R.string.error_passcode));
+        return false;
+    }
+
+    private void startDashBoardActivity() {
+        startActivity(new Intent(this, DashboardActivity.class));
+        finish();
+    }
+
+    private void startLoginActivity() {
+        Intent i = new Intent(PassCodeActivity.this, LoginActivity.class);
+        i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+        startActivity(i);
+        finish();
+    }
+
+    @Override
+    public void onBackPressed() {
+        //enabling back press only for initial login.
+        if (isInitialScreen) {
+            super.onBackPressed();
+        }
+    }
+}

mifosng-android/src/main/java/com/mifos/utils/Constants.java

@@ -133,6 +133,8 @@ public class Constants {
 
     public static final String ACTIVATE_TYPE = "activation_type";
 
+    public static final String INTIAL_LOGIN = "initial_login";
+
     //This needs to be 8 bits because validateRequestPermissionsRequestCode
     // in FragmentActivity requires requestCode to be of 8 bits, meaning the range is from 0 to 255.
     public static final int REQUEST_PERMISSION_SETTING = 254;

mifosng-android/src/main/java/com/mifos/utils/EncryptionUtil.java

@@ -0,0 +1,24 @@
+package com.mifos.utils;
+
+import android.util.Log;
+
+/**
+ * Created by mayankjindal on 30/06/17.
+ */
+
+public class EncryptionUtil {
+
+    static {
+        try {
+            System.loadLibrary("encryption");
+        } catch (UnsatisfiedLinkError e) {
+            Log.e("LoadJniLib", "Error: Could not load native library: " + e.getMessage());
+        }
+    }
+
+    private static final native String getPassCodeHash(String passcode);
+
+    public static String getHash(String passCode) {
+        return getPassCodeHash(passCode);
+    }
+}