AMSL Altitude Widget

The AMSL Altitude Widget is a TEXT type of Base Telemetry Widget. It shows the current above-mean-sea-level(AMSL) altitude, which is the altitude of the aircraft against the average sea level.

State	Image
Disconnected
Metric Unit System
Imperial Unit System

Usage

<dji.ux.beta.core.widget.altitude.AMSLAltitudeWidget
     android:layout_width="wrap_content"
     android:layout_height="150dp" />

Customizations

The UI elements can be customized to match the style of the user's application. The widget supports all the Text Customizations provided in the Base Telemetry Widget.

XML Example

<dji.ux.beta.core.widget.altitude.AMSLAltitudeWidget
     android:layout_width="wrap_content"
     android:layout_height="150dp"
     android:background="@color/white"
     app:uxsdk_label_text_color="@color/black"
     app:uxsdk_value_text_color="@color/blue"
     app:uxsdk_unit_text_color="@color/blue"/>

State	Image
Disconnected
Metric Unit System
Imperial Unit System

Kotlin Example

val amslAltitudeWidget = AMSLAltitudeWidget(context)
amslAltitudeWidget.setBackgroundColor(resources.getColor(R.color.white))
amslAltitudeWidget.labelTextColor = resources.getColor(R.color.black)
amslAltitudeWidget.valueTextColor = resources.getColor(R.color.blue)
amslAltitudeWidget.unitTextColor = resources.getColor(R.color.blue)

Java Example

AMSLAltitudeWidget amslAltitudeWidget = new AMSLAltitudeWidget(this);
amslAltitudeWidget.setBackgroundColor(getResources().getColor(R.color.white));
amslAltitudeWidget.setLabelTextColor(getResources().getColor(R.color.black));
amslAltitudeWidget.setValueTextColor(getResources().getColor(R.color.blue));
amslAltitudeWidget.setUnitTextColor(getResources().getColor(R.color.blue));

Hooks

The widget provides hooks for the users to add functionality based on the state changes in the widget. The AMSLAltitudeWidget provides the following hooks

1. ModelState - Provides hooks in events received by the widget from the widget model.
   • data class ProductConnected(val isConnected: Boolean) : ModelState() - Event when the product is connected or disconnected.
   • data class AltitudeStateUpdated(val altitudeState: AltitudeState) : ModelState() - Event when altitude of the drone is updated.

The user can subscribe to this using public override fun getWidgetStateUpdate(): Flowable<ModelState>.