bitcoinafterlife/bal-electrum-plugin
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android: add BAL Reader app (Chaquopy codec bridge) + frame progress bar

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First commit of the Android 'BAL Reader' app: a camera scanner that decodes
the same four transfer formats the plugin exports (BAL QR v2/legacy, BC-UR
v1/v2, BBQR) by running the synced bal/core codecs verbatim under Chaquopy
plus a verify_chain regression. Adds android/scripts/build_apk.py (resync
codecs, gradle build, prints APK sha256) and sync_codecs.py.

UI: during capture a thin mint fill-bar above the camera preview shows
received/total frames (FrameProgressBar), complementing the exact n/N label.
This commit is contained in:
svatantrya
2026-09-14 04:43:54 -04:00
parent 7bf05172b3
commit eb65d9141f
33 changed files with 3727 additions and 0 deletions
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59
android/app/src/main/res/layout/activity_main.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="@android:color/black">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:gravity="center_vertical"
android:paddingHorizontal="12dp"
android:paddingVertical="8dp"
android:background="#1A1A1A">
<TextView
android:id="@+id/tv_format"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="@string/format_placeholder"
android:textColor="#9BE8C0"
android:textStyle="bold"
android:textSize="14sp" />
<TextView
android:id="@+id/tv_progress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0 / 0"
android:textColor="#FFFFFF"
android:textSize="14sp" />
</LinearLayout>
<life.after.bitcoin.FrameProgressBar
android:id="@+id/frame_bar"
android:layout_width="match_parent"
android:layout_height="6dp"
android:layout_marginHorizontal="12dp"
android:layout_marginTop="4dp"
android:layout_marginBottom="4dp" />
<androidx.camera.view.PreviewView
android:id="@+id/preview_view"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<TextView
android:id="@+id/tv_status"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:gravity="center"
android:text="@string/status_waiting"
android:textColor="#CFCFCF"
android:textSize="14sp" />
</LinearLayout>

67
android/app/src/main/res/layout/activity_result.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="12dp">
<TextView
android:id="@+id/tv_kind"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="16sp"
android:textStyle="bold"
android:textColor="?android:attr/textColorPrimary"
android:paddingBottom="8dp" />
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="?android:attr/colorBackground">
<TextView
android:id="@+id/tv_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fontFamily="monospace"
android:textIsSelectable="true"
android:textSize="12sp"
android:textColor="?android:attr/textColorPrimary"
android:padding="8dp" />
</ScrollView>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="12dp">
<Button
android:id="@+id/btn_copy"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="@string/action_copy" />
<Button
android:id="@+id/btn_share"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="@string/action_share" />
<Button
android:id="@+id/btn_save"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="@string/action_save" />
</LinearLayout>
<Button
android:id="@+id/btn_scan_another"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/action_scan_another" />
</LinearLayout>