Add mono switch, live waveform, and WAV cue markers (1.3.0-alpha)

- WavRecorder: optional mono, waveform envelope, cue/adtl marker chunks
- WaveformView: scrolling waveform with red clipped columns
- Marker + MarkerStore; Mark button with label dialog
- PlayerActivity: marker chips that seek; shared seekTo
- InsetsHelper: keep UI clear of status bar/notch and nav bar
- Bump to 1.3.0-alpha (versionCode 4)

1 files changed, 69 insertions, 29 deletions

diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index f7f2ac6..8bda7d3 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -2,21 +2,22 @@
 <androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/root"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@color/background"
-    android:paddingLeft="24dp"
-    android:paddingRight="24dp">
+    android:paddingLeft="20dp"
+    android:paddingRight="20dp">
 
     <TextView
         android:id="@+id/titleText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginTop="24dp"
+        android:layout_marginTop="16dp"
         android:letterSpacing="0.04"
         android:text="@string/app_name"
         android:textColor="@color/text_primary"
-        android:textSize="32sp"
+        android:textSize="30sp"
         android:textStyle="bold"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
@@ -26,7 +27,7 @@
         android:id="@+id/libraryButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
+        android:layout_marginTop="8dp"
         android:layout_marginEnd="4dp"
         android:background="?android:attr/selectableItemBackground"
         android:padding="8dp"
@@ -40,19 +41,18 @@
         android:id="@+id/subtitleText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginTop="2dp"
         android:text="@string/subtitle"
         android:textColor="@color/text_secondary"
-        android:textSize="13sp"
+        android:textSize="12sp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/titleText" />
 
     <ImageView
         android:id="@+id/recIndicator"
-        android:layout_width="14dp"
-        android:layout_height="14dp"
-        android:layout_marginBottom="8dp"
+        android:layout_width="12dp"
+        android:layout_height="12dp"
+        android:layout_marginBottom="6dp"
         android:contentDescription="@null"
         android:src="@drawable/ic_rec_dot"
         android:visibility="invisible"
@@ -64,11 +64,11 @@
         android:id="@+id/timerText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="14dp"
+        android:layout_marginBottom="10dp"
         android:fontFamily="monospace"
         android:text="@string/timer_zero"
         android:textColor="@color/text_primary"
-        android:textSize="52sp"
+        android:textSize="46sp"
         android:textStyle="bold"
         app:layout_constraintBottom_toTopOf="@id/recordButton"
         app:layout_constraintEnd_toEndOf="parent"
@@ -76,8 +76,8 @@
 
     <ImageButton
         android:id="@+id/recordButton"
-        android:layout_width="180dp"
-        android:layout_height="180dp"
+        android:layout_width="148dp"
+        android:layout_height="148dp"
         android:background="@drawable/bg_record_idle"
         android:contentDescription="@string/cd_record"
         android:scaleType="centerInside"
@@ -86,51 +86,91 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.42" />
+        app:layout_constraintVertical_bias="0.34" />
+
+    <com.wuhei.reccoon.WaveformView
+        android:id="@+id/waveformView"
+        android:layout_width="0dp"
+        android:layout_height="64dp"
+        android:layout_marginTop="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/recordButton" />
 
     <com.wuhei.reccoon.LevelMeterView
         android:id="@+id/levelMeter"
         android:layout_width="0dp"
-        android:layout_height="46dp"
-        android:layout_marginTop="22dp"
+        android:layout_height="38dp"
+        android:layout_marginTop="10dp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/recordButton" />
+        app:layout_constraintTop_toBottomOf="@id/waveformView" />
 
-    <androidx.appcompat.widget.AppCompatCheckBox
-        android:id="@+id/silenceCheckbox"
+    <Button
+        android:id="@+id/markButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:text="@string/silence_recording"
-        android:textColor="@color/text_secondary"
-        android:textSize="13sp"
+        android:layout_marginTop="6dp"
+        android:enabled="false"
+        android:minWidth="140dp"
+        android:text="@string/mark_action"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/levelMeter" />
 
+    <LinearLayout
+        android:id="@+id/optionsRow"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="2dp"
+        android:gravity="center"
+        android:orientation="horizontal"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/markButton">
+
+        <androidx.appcompat.widget.AppCompatCheckBox
+            android:id="@+id/monoCheckbox"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:contentDescription="@string/mono_recording"
+            android:text="@string/mono_short"
+            android:textColor="@color/text_secondary"
+            android:textSize="13sp" />
+
+        <androidx.appcompat.widget.AppCompatCheckBox
+            android:id="@+id/silenceCheckbox"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:contentDescription="@string/silence_recording"
+            android:text="@string/silence_short"
+            android:textColor="@color/text_secondary"
+            android:textSize="13sp" />
+    </LinearLayout>
+
     <TextView
         android:id="@+id/statusText"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_marginTop="14dp"
+        android:layout_marginTop="8dp"
         android:gravity="center"
         android:text="@string/status_idle"
         android:textColor="@color/text_secondary"
-        android:textSize="15sp"
+        android:textSize="14sp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/silenceCheckbox" />
+        app:layout_constraintTop_toBottomOf="@id/optionsRow" />
 
     <TextView
         android:id="@+id/footerText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="12dp"
+        android:layout_marginBottom="10dp"
         android:alpha="0.6"
         android:text="@string/footer"
         android:textColor="@color/text_secondary"
-        android:textSize="12sp"
+        android:textSize="11sp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent" />