From 765ff8f29176051145776c52a74b80bb1ebad0cf Mon Sep 17 00:00:00 2001
From: pokkst <pokkst@protonmail.com>
Date: Mon, 12 Sep 2022 16:25:19 -0500
Subject: [PATCH] add gradient to bottom of screen to hide tx list bottom, also
 fixes app startup issue, and only displays most recent 100 txs

---
 .../com/m2049r/xmrwallet/MainActivity.java    |  3 +-
 .../xmrwallet/fragment/home/HomeFragment.java |  6 +-
 app/src/main/res/drawable/gradient_bottom.xml |  9 +++
 app/src/main/res/layout/fragment_home.xml     | 79 ++++++++++++-------
 .../res/layout/transaction_history_item.xml   |  3 +-
 5 files changed, 67 insertions(+), 33 deletions(-)
 create mode 100644 app/src/main/res/drawable/gradient_bottom.xml

diff --git a/app/src/main/java/com/m2049r/xmrwallet/MainActivity.java b/app/src/main/java/com/m2049r/xmrwallet/MainActivity.java
index 6a4e0ba..9ce3c14 100644
--- a/app/src/main/java/com/m2049r/xmrwallet/MainActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/MainActivity.java
@@ -38,7 +38,8 @@ public class MainActivity extends AppCompatActivity implements MoneroHandlerThre
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         File walletFile = new File(getApplicationInfo().dataDir, Constants.WALLET_NAME);
-        if (walletFile.exists()) {
+        File walletKeysFile = new File(getApplicationInfo().dataDir, Constants.WALLET_NAME + ".keys");
+        if (walletKeysFile.exists()) {
             boolean promptPassword = PrefService.getInstance().getBoolean(Constants.PREF_USES_PASSWORD, false);
             if (!promptPassword) {
                 init(walletFile, "");
diff --git a/app/src/main/java/com/m2049r/xmrwallet/fragment/home/HomeFragment.java b/app/src/main/java/com/m2049r/xmrwallet/fragment/home/HomeFragment.java
index 831c3f1..4e4f06a 100644
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/home/HomeFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/home/HomeFragment.java
@@ -141,7 +141,11 @@ public class HomeFragment extends Fragment implements TransactionInfoAdapter.TxI
                     txHistoryRecyclerView.setVisibility(View.GONE);
                 } else {
                     Collections.sort(history);
-                    adapter.submitList(history);
+                    if(history.size() > 100) {
+                        adapter.submitList(history.subList(0, 99));
+                    } else {
+                        adapter.submitList(history);
+                    }
                     txHistoryRecyclerView.setVisibility(View.VISIBLE);
                 }
             });
diff --git a/app/src/main/res/drawable/gradient_bottom.xml b/app/src/main/res/drawable/gradient_bottom.xml
new file mode 100644
index 0000000..f5f5fd5
--- /dev/null
+++ b/app/src/main/res/drawable/gradient_bottom.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:angle="90"
+        android:endColor="@android:color/transparent"
+        android:startColor="@color/oled_colorBackground"
+        android:type="linear" />
+</shape>
diff --git a/app/src/main/res/layout/fragment_home.xml b/app/src/main/res/layout/fragment_home.xml
index fcd0aa0..177cd22 100644
--- a/app/src/main/res/layout/fragment_home.xml
+++ b/app/src/main/res/layout/fragment_home.xml
@@ -20,14 +20,15 @@
 
     <TextView
         android:id="@+id/balance_unlocked_textview"
-        android:layout_width="match_parent"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="24dp"
         android:layout_marginEnd="24dp"
         android:layout_marginTop="24dp"
-        android:textAlignment="center"
-        tools:text="UNLOCKED BALANCE"
-        app:layout_constraintEnd_toEndOf="parent"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        tools:text="100.000000000000 XMR"
+        app:layout_constraintEnd_toStartOf="@id/settings_imageview"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"/>
 
@@ -37,8 +38,7 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="24dp"
         android:layout_marginEnd="24dp"
-        android:textAlignment="center"
-        tools:text="LOCKED BALANCE"
+        tools:text="+ 100.000000000000 confirming"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/balance_unlocked_textview" />
@@ -46,39 +46,60 @@
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/transaction_history_recyclerview"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
         android:layout_marginTop="16dp"
+        android:paddingStart="24dp"
+        android:paddingEnd="24dp"
+        android:paddingBottom="128dp"
+        android:clipToPadding="false"
         app:layout_constraintTop_toBottomOf="@id/balance_locked_textview"
-        app:layout_constraintBottom_toTopOf="@id/receive_button"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintVertical_bias="0.0"/>
 
-    <Button
-        android:id="@+id/receive_button"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="24dp"
-        android:layout_marginEnd="24dp"
-        android:layout_marginBottom="16dp"
-        android:background="@drawable/button_bg"
-        android:text="@string/receive"
+    <ImageView
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:src="@drawable/gradient_bottom"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toStartOf="@id/send_button"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@id/receive_send_buttons_layout"
         app:layout_constraintBottom_toBottomOf="parent"/>
 
-    <Button
-        android:id="@+id/send_button"
-        android:layout_width="0dp"
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/receive_send_buttons_layout"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginStart="24dp"
-        android:layout_marginEnd="24dp"
-        android:layout_marginBottom="16dp"
-        android:background="@drawable/button_bg"
-        android:text="@string/send"
-        app:layout_constraintStart_toEndOf="@id/receive_button"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toBottomOf="parent"/>
+        android:paddingStart="24dp"
+        android:paddingEnd="24dp"
+        android:paddingBottom="16dp"
+        android:paddingTop="128dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent">
+        <Button
+            android:id="@+id/receive_button"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:background="@drawable/button_bg"
+            android:layout_marginEnd="4dp"
+            android:text="@string/receive"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toStartOf="@id/send_button"
+            app:layout_constraintBottom_toBottomOf="parent"/>
+
+        <Button
+            android:id="@+id/send_button"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:background="@drawable/button_bg"
+            android:layout_marginStart="4dp"
+            android:text="@string/send"
+            app:layout_constraintStart_toEndOf="@id/receive_button"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"/>
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
     <ImageView
         android:id="@+id/settings_imageview"
diff --git a/app/src/main/res/layout/transaction_history_item.xml b/app/src/main/res/layout/transaction_history_item.xml
index 2d5c99c..2332873 100644
--- a/app/src/main/res/layout/transaction_history_item.xml
+++ b/app/src/main/res/layout/transaction_history_item.xml
@@ -4,8 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
-    android:layout_gravity="center"
-    android:layout_margin="4dp">
+    android:layout_gravity="center">
 
     <LinearLayout
         android:layout_width="match_parent"