Initial release

res/layout/main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content">
+<LinearLayout
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center"
+    android:padding="20sp"
+    >
+<TextView
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:text="Server address"
+    />
+<EditText
+    android:id="@+id/edit_address"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:inputType="textUri"
+    />
+<View
+    android:layout_width="fill_parent"
+    android:layout_height="10sp"
+    />
+<TextView
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:text="Server port"
+    />
+<EditText
+    android:id="@+id/edit_port"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:inputType="number"
+    />
+<View
+    android:layout_width="fill_parent"
+    android:layout_height="10sp"
+    />
+<TextView
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:text="Frequency in seconds"
+    />
+<EditText
+    android:id="@+id/edit_period"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:inputType="number"
+    />
+<View
+    android:layout_width="fill_parent"
+    android:layout_height="10sp"
+    />
+<TextView
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:text="Service status"
+    />
+<EditText
+    android:id="@+id/edit_service"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:inputType="none"
+    android:editable="false"
+    android:focusable="false"
+    />
+<View
+    android:layout_width="fill_parent"
+    android:layout_height="10sp"
+    />
+<TextView
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:text="Connection status"
+    />
+<EditText
+    android:id="@+id/edit_connection"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:inputType="none"
+    android:editable="false"
+    android:focusable="false"
+    />
+<View
+    android:layout_width="fill_parent"
+    android:layout_height="20sp"
+    />
+<ToggleButton 
+    android:id="@+id/button"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:textOn="ON"
+    android:textOff="OFF"
+    android:onClick="onButtonClick"
+    />
+</LinearLayout>
+</ScrollView>
+

res/menu/main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<item android:id="@+id/about"
+      android:title="@string/about_option"
+      android:showAsAction="ifRoom" />
+</menu>
+

res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Traccar Client</string>
+    <string name="error_input">Invalid input parameters.</string>
+    <string name="about_option">About</string>
+    <string name="about_text">Android software GPS tracker. For more information visit:\n\nhttp://www.traccar.org</string>
+    <string name="about_close">Close</string>
+</resources>