getContext is the correct method.

phanirithvij · web-flow · commit 91cbbba306fb · 2019-06-28T20:54:54.000+05:30
When using as a live wallpaper `getActivity()` crashes the app.
diff --git a/sensors/ex2_boxes/ex2_boxes.pde b/sensors/ex2_boxes/ex2_boxes.pde
@@ -30,7 +30,7 @@ void setup() {
   fullScreen(P2D);
   orientation(PORTRAIT);
   
-  context = getActivity();
+  context = getContext();
   manager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
   sensor = manager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
   listener = new AccelerometerListener();
@@ -95,4 +95,4 @@ class AccelerometerListener implements SensorEventListener {
   }
   public void onAccuracyChanged(Sensor sensor, int accuracy) {
   }
-}
+}

Original file line number	Diff line number	Diff line change
`@@ -30,7 +30,7 @@ void setup() {`
`30`	`30`	`fullScreen(P2D);`
`31`	`31`	`orientation(PORTRAIT);`
`32`	`32`
`33`		`- context = getActivity();`
	`33`	`+ context = getContext();`
`34`	`34`	`manager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);`
`35`	`35`	`sensor = manager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);`
`36`	`36`	`listener = new AccelerometerListener();`
`@@ -95,4 +95,4 @@ class AccelerometerListener implements SensorEventListener {`
`95`	`95`	`}`
`96`	`96`	`public void onAccuracyChanged(Sensor sensor, int accuracy) {`
`97`	`97`	`}`
`98`		`-}`
	`98`	`+}`