Secure mode is available.

app/build.gradle

@@ -174,6 +174,7 @@ dependencies {
     implementation 'com.github.FunkyMuse:Crashy:1.1.0'
 
     //implementation "androidx.lifecycle:lifecycle-extensions:2.2.0"
+    //annotationProcessor "androidx.lifecycle:compiler:2.2.0"
 
     implementation 'androidx.palette:palette:1.0.0'
 

app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java

@@ -284,4 +284,6 @@ public interface AppComponent {
     void inject(TrendingActivity trendingActivity);
 
     void inject(WikiActivity wikiActivity);
+
+    void inject(Infinity infinity);
 }

app/src/main/java/ml/docilealligator/infinityforreddit/Infinity.java

@@ -1,10 +1,13 @@
 package ml.docilealligator.infinityforreddit;
 
+import android.app.Activity;
 import android.app.Application;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.SharedPreferences;
 import android.net.ConnectivityManager;
 import android.os.Bundle;
+import android.view.WindowManager;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -15,15 +18,26 @@ import com.livefront.bridge.Bridge;
 import com.livefront.bridge.SavedStateHandler;
 
 import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
+
+import javax.inject.Inject;
+import javax.inject.Named;
 
 import ml.docilealligator.infinityforreddit.broadcastreceivers.NetworkWifiStatusReceiver;
 import ml.docilealligator.infinityforreddit.broadcastreceivers.WallpaperChangeReceiver;
 import ml.docilealligator.infinityforreddit.events.ChangeNetworkStatusEvent;
+import ml.docilealligator.infinityforreddit.events.ToggleSecureModeEvent;
+import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
 import ml.docilealligator.infinityforreddit.utils.Utils;
 
 public class Infinity extends Application implements LifecycleObserver {
     private AppComponent mAppComponent;
     private NetworkWifiStatusReceiver mNetworkWifiStatusReceiver;
+    private boolean lock = false;
+    private boolean isSecureMode;
+    @Inject
+    @Named("default")
+    SharedPreferences mSharedPreferences;
 
     @Override
     public void onCreate() {
@@ -33,12 +47,16 @@ public class Infinity extends Application implements LifecycleObserver {
                 .appModule(new AppModule(this))
                 .build();
 
-        //ProcessLifecycleOwner.get().getLifecycle().addObserver(this);
+        mAppComponent.inject(this);
 
-        /*registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() {
+        isSecureMode = mSharedPreferences.getBoolean(SharedPreferencesUtils.SECURE_MODE, false);
+
+        registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() {
             @Override
             public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle bundle) {
-                activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+                if (isSecureMode) {
+                    activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+                }
             }
 
             @Override
@@ -48,7 +66,11 @@ public class Infinity extends Application implements LifecycleObserver {
 
             @Override
             public void onActivityResumed(@NonNull Activity activity) {
-
+                /*if (lock && !(activity instanceof LockScreenActivity)) {
+                    lock = false;
+                    Intent intent = new Intent(activity, LockScreenActivity.class);
+                    activity.startActivity(intent);
+                }*/
             }
 
             @Override
@@ -70,7 +92,9 @@ public class Infinity extends Application implements LifecycleObserver {
             public void onActivityDestroyed(@NonNull Activity activity) {
 
             }
-        });*/
+        });
+
+        //ProcessLifecycleOwner.get().getLifecycle().addObserver(this);
 
         Bridge.initialize(getApplicationContext(), new SavedStateHandler() {
             @Override
@@ -86,6 +110,8 @@ public class Infinity extends Application implements LifecycleObserver {
 
         EventBus.builder().addIndex(new EventBusIndex()).installDefaultEventBus();
 
+        EventBus.getDefault().register(this);
+
         mNetworkWifiStatusReceiver =
                 new NetworkWifiStatusReceiver(() -> EventBus.getDefault().post(new ChangeNetworkStatusEvent(Utils.getConnectedNetwork(getApplicationContext()))));
         registerReceiver(mNetworkWifiStatusReceiver, new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
@@ -93,17 +119,22 @@ public class Infinity extends Application implements LifecycleObserver {
         registerReceiver(new WallpaperChangeReceiver(), new IntentFilter(Intent.ACTION_WALLPAPER_CHANGED));
     }
 
-//    @OnLifecycleEvent(Lifecycle.Event.ON_START)
+    /*@OnLifecycleEvent(Lifecycle.Event.ON_START)
-//    public void appInForeground(){
+    public void appInForeground() {
-//        Toast.makeText(this, "Foreground", Toast.LENGTH_SHORT).show();
+        lock = true;
-//    }
+    }
-//
+
-//    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
-//    public void appInBackground(){
+    public void appInBackground(){
-//        Toast.makeText(this, "Background", Toast.LENGTH_SHORT).show();
+
-//    }
+    }*/
 
     public AppComponent getAppComponent() {
         return mAppComponent;
     }
+
+    @Subscribe
+    public void onToggleSecureModeEvent(ToggleSecureModeEvent secureModeEvent) {
+        isSecureMode = secureModeEvent.isSecureMode;
+    }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/LockScreenActivity.java

@@ -1,5 +1,8 @@
 package ml.docilealligator.infinityforreddit.activities;
 
+import static androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRONG;
+import static androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL;
+
 import android.content.SharedPreferences;
 import android.os.Bundle;
 
@@ -17,9 +20,6 @@ import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 
-import static androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRONG;
-import static androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL;
-
 public class LockScreenActivity extends BaseActivity {
 
     @Inject
@@ -79,7 +79,5 @@ public class LockScreenActivity extends BaseActivity {
     }
 
     @Override
-    public void onBackPressed() {
+    public void onBackPressed() { }
-        moveTaskToBack(true);
-    }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/events/ToggleSecureModeEvent.java

@@ -0,0 +1,9 @@
+package ml.docilealligator.infinityforreddit.events;
+
+public class ToggleSecureModeEvent {
+    public boolean isSecureMode;
+
+    public ToggleSecureModeEvent(boolean isSecureMode) {
+        this.isSecureMode = isSecureMode;
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/settings/SecurityPreferenceFragment.java

@@ -1,5 +1,8 @@
 package ml.docilealligator.infinityforreddit.settings;
 
+import static androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRONG;
+import static androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL;
+
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.Bundle;
@@ -18,14 +21,12 @@ import java.util.concurrent.Executor;
 import javax.inject.Inject;
 import javax.inject.Named;
 
-import ml.docilealligator.infinityforreddit.events.ChangeRequireAuthToAccountSectionEvent;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.events.ChangeRequireAuthToAccountSectionEvent;
+import ml.docilealligator.infinityforreddit.events.ToggleSecureModeEvent;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
 
-import static androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRONG;
-import static androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL;
-
 public class SecurityPreferenceFragment extends PreferenceFragmentCompat {
 
     private AppCompatActivity activity;
@@ -40,6 +41,7 @@ public class SecurityPreferenceFragment extends PreferenceFragmentCompat {
         ((Infinity) activity.getApplication()).getAppComponent().inject(this);
 
         SwitchPreference requireAuthToAccountSectionSwitch = findPreference(SharedPreferencesUtils.REQUIRE_AUTHENTICATION_TO_GO_TO_ACCOUNT_SECTION_IN_NAVIGATION_DRAWER);
+        SwitchPreference secureModeSwitch = findPreference(SharedPreferencesUtils.SECURE_MODE);
 
         if (requireAuthToAccountSectionSwitch != null) {
             requireAuthToAccountSectionSwitch.setOnPreferenceChangeListener((preference, newValue) -> {
@@ -47,6 +49,13 @@ public class SecurityPreferenceFragment extends PreferenceFragmentCompat {
                 return true;
             });
         }
+
+        if (secureModeSwitch != null) {
+            secureModeSwitch.setOnPreferenceChangeListener((preference, newValue) -> {
+                EventBus.getDefault().post(new ToggleSecureModeEvent((Boolean) newValue));
+                return true;
+            });
+        }
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/utils/SharedPreferencesUtils.java

@@ -186,6 +186,7 @@ public class SharedPreferencesUtils {
     public static final String REMEMBER_MUTING_OPTION_IN_POST_FEED = "remember_muting_option_in_post_feed";
     public static final String DEFAULT_LINK_POST_LAYOUT_KEY = "default_link_post_layout";
     public static final String USE_BOTTOM_TOOLBAR_IN_MEDIA_VIEWER = "use_bottom_toolbar_in_media_viewer";
+    public static final String SECURE_MODE = "secure_mode";
 
     public static final String DEFAULT_PREFERENCES_FILE = "ml.docilealligator.infinityforreddit_preferences";
     public static final String MAIN_PAGE_TABS_SHARED_PREFERENCES_FILE = "ml.docilealligator.infinityforreddit.main_page_tabs";

app/src/main/res/values/strings.xml

@@ -593,6 +593,8 @@
     <string name="settings_separate_post_and_comments_in_portrait_mode">Separate Post And Comments in Portrait Mode</string>
     <string name="settings_separate_post_and_comments_in_landscape_mode">Separate Post And Comments in Landscape Mode</string>
     <string name="settings_use_bottom_toolbar_in_media_viewer_title">Use Bottom Toolbar in Media Viewer</string>
+    <string name="settings_secure_mode_title">Secure Mode</string>
+    <string name="settings_secure_mode_summary">Screenshot and video recording are not allowed. No preview in recent app screen.</string>
 
     <string name="no_link_available">Cannot get the link</string>
 

app/src/main/res/xml/security_preferences.xml

@@ -5,4 +5,10 @@
         app:key="require_auth_to_account_section"
         app:title="@string/settings_require_authentication_to_go_to_account_section_in_navigation_drawer_title" />
 
+    <SwitchPreference
+        app:defaultValue="false"
+        app:key="secure_mode"
+        app:title="@string/settings_secure_mode_title"
+        app:summary="@string/settings_secure_mode_summary" />
+
 </PreferenceScreen>