Haptic feedback

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -247,6 +247,8 @@ public class AdapterMessage extends PagedListAdapter<TupleMessageEx, AdapterMess
                 return;
             TupleMessageEx message = getItem(pos);
 
+            Helper.hapticFeedback(itemView);
+
             if (EntityFolder.DRAFTS.equals(message.folderType))
                 context.startActivity(
                         new Intent(context, ActivityCompose.class)

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -194,7 +194,11 @@ public class FragmentCompose extends FragmentEx {
             @Override
             public void onFocusChange(View view, boolean hasFocus) {
                 free = hasFocus;
+
+                Helper.hapticFeedback(view);
+
                 getActivity().invalidateOptionsMenu();
+
                 grpHeader.setVisibility(hasFocus ? View.GONE : View.VISIBLE);
                 if (hasFocus) {
                     addresses = (grpAddresses.getVisibility() != View.GONE);
@@ -212,6 +216,7 @@ public class FragmentCompose extends FragmentEx {
                         case KeyEvent.KEYCODE_BACK:
                             if (grpHeader.getVisibility() == View.GONE) {
                                 free = false;
+
                                 getActivity().invalidateOptionsMenu();
                                 grpHeader.setVisibility(View.VISIBLE);
                                 if (addresses)

app/src/main/java/eu/faircode/email/FragmentMessage.java

@@ -351,6 +351,9 @@ public class FragmentMessage extends FragmentEx {
             @Override
             public void onClick(View view) {
                 free = true;
+
+                Helper.hapticFeedback(view);
+
                 getActivity().invalidateOptionsMenu();
 
                 grpHeader.setVisibility(View.GONE);
@@ -373,6 +376,7 @@ public class FragmentMessage extends FragmentEx {
             public boolean onBackPressed() {
                 if (free && isVisible()) {
                     free = false;
+
                     getActivity().invalidateOptionsMenu();
 
                     grpHeader.setVisibility(View.VISIBLE);

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -380,6 +380,7 @@ public class FragmentMessages extends FragmentEx {
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
+                Helper.hapticFeedback(view);
                 startActivity(new Intent(getContext(), ActivityCompose.class)
                         .putExtra("action", "new")
                         .putExtra("account", (Long) fab.getTag())

app/src/main/java/eu/faircode/email/FragmentOptions.java

@@ -37,6 +37,7 @@ public class FragmentOptions extends FragmentEx {
     private CheckBox cbLight;
     private CheckBox cbBrowse;
     private CheckBox cbSwipe;
+    private CheckBox cbHaptic;
     private CheckBox cbDebug;
 
     @Override
@@ -52,6 +53,7 @@ public class FragmentOptions extends FragmentEx {
         cbLight = view.findViewById(R.id.cbLight);
         cbBrowse = view.findViewById(R.id.cbBrowse);
         cbSwipe = view.findViewById(R.id.cbSwipe);
+        cbHaptic = view.findViewById(R.id.cbHaptic);
         cbDebug = view.findViewById(R.id.cbDebug);
 
         // Wire controls
@@ -102,6 +104,14 @@ public class FragmentOptions extends FragmentEx {
             }
         });
 
+        cbHaptic.setChecked(prefs.getBoolean("haptic", true));
+        cbHaptic.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("haptic", checked).apply();
+            }
+        });
+
         cbDebug.setChecked(prefs.getBoolean("debug", false));
         cbDebug.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override

app/src/main/java/eu/faircode/email/Helper.java

@@ -23,6 +23,7 @@ import android.accounts.Account;
 import android.accounts.AccountManager;
 import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.res.TypedArray;
@@ -31,6 +32,7 @@ import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
+import android.view.HapticFeedbackConstants;
 import android.view.Menu;
 import android.view.View;
 import android.view.ViewGroup;
@@ -82,6 +84,12 @@ public class Helper {
         }
     };
 
+    static void hapticFeedback(View view) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(view.getContext());
+        if (prefs.getBoolean("haptic", true))
+            view.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_TAP);
+    }
+
     static void view(Context context, Intent intent) {
         Uri uri = intent.getData();
         if ("http".equals(uri.getScheme()) || "https".equals(uri.getScheme()))

app/src/main/res/layout/fragment_options.xml

@@ -61,6 +61,16 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/cbBrowse" />
 
+        <CheckBox
+            android:id="@+id/cbHaptic"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:layout_marginTop="12dp"
+            android:text="@string/title_advanced_haptic"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/cbSwipe" />
+
         <CheckBox
             android:id="@+id/cbDebug"
             android:layout_width="wrap_content"
@@ -69,6 +79,6 @@
             android:layout_marginTop="12dp"
             android:text="@string/title_advanced_debug"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/cbSwipe" />
+            app:layout_constraintTop_toBottomOf="@id/cbHaptic" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 </ScrollView>

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

@@ -84,6 +84,7 @@
     <string name="title_advanced_light">Use notification light</string>
     <string name="title_advanced_browse">Browse messages on the server</string>
     <string name="title_advanced_swipe">Swipe actions</string>
+    <string name="title_advanced_haptic">Haptic feedback</string>
     <string name="title_advanced_debug">Debug mode</string>
 
     <string name="title_select">Select &#8230;</string>