--- a/src/io.c
+++ b/src/io.c
@@ -48,6 +48,13 @@
 #include "calcurse.h"
 #include "sha1.h"
 
+#ifdef __ANDROID__
+static void thread_signal_handler(int signum)
+{
+	pthread_exit(0);
+}
+#endif
+
 struct ht_keybindings_s {
 	const char *label;
 	enum vkey key;
@@ -1432,12 +1439,23 @@
 /* Thread used to periodically save data. */
 static void *io_psave_thread(void *arg)
 {
+#ifdef __ANDROID__
+	struct sigaction actions;
+	memset(&actions, 0, sizeof(actions));
+	sigemptyset(&actions.sa_mask);
+	actions.sa_flags = 0;
+	actions.sa_handler = thread_signal_handler;
+	sigaction(SIGUSR2, &actions, NULL);
+#endif
+
 	int delay = conf.periodic_save;
 	EXIT_IF(delay < 0, _("Invalid delay"));
 	char *mesg = _("Periodic save cancelled. Data files have changed. "
 		     "Save and merge interactively");
 
+#ifndef __ANDROID__
 	pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
+#endif
 	for (;;) {
 		sleep(delay * MININSEC);
 		pthread_mutex_lock(&io_periodic_save_mutex);
@@ -1462,7 +1480,11 @@
 
 	/* Lock the mutex to avoid cancelling the thread during saving. */
 	pthread_mutex_lock(&io_periodic_save_mutex);
+#ifndef __ANDROID__
 	pthread_cancel(io_t_psave);
+#else
+	pthread_kill(io_t_psave, SIGUSR2);
+#endif
 	pthread_join(io_t_psave, NULL);
 	pthread_mutex_unlock(&io_periodic_save_mutex);
 	io_t_psave = pthread_self();
--- a/src/notify.c
+++ b/src/notify.c
@@ -42,6 +42,14 @@
 
 #include "calcurse.h"
 
+#ifdef __ANDROID__
+#include <signal.h>
+static void thread_signal_handler(int signum)
+{
+	pthread_exit(0);
+}
+#endif
+
 #define NOTIFY_FIELD_LENGTH	25
 
 struct notify_vars {
@@ -194,7 +202,11 @@
 	if (pthread_equal(notify_t_main, pthread_self()))
 		return;
 
+#ifndef __ANDROID__
 	pthread_cancel(notify_t_main);
+#else
+	pthread_kill(notify_t_main, SIGUSR2);
+#endif
 	pthread_join(notify_t_main, NULL);
 	notify_t_main = pthread_self();
 }
@@ -324,6 +336,15 @@
 /* ARGSUSED0 */
 static void *notify_main_thread(void *arg)
 {
+#ifdef __ANDROID__
+	struct sigaction actions;
+	memset(&actions, 0, sizeof(actions));
+	sigemptyset(&actions.sa_mask);
+	actions.sa_flags = 0;
+	actions.sa_handler = thread_signal_handler;
+	sigaction(SIGUSR2, &actions, NULL);
+#endif
+
 	const unsigned thread_sleep = 1;
 	const unsigned check_app = MININSEC;
 	int elapse = 0;
--- a/src/ui-calendar.c
+++ b/src/ui-calendar.c
@@ -44,6 +44,14 @@
 
 #include "calcurse.h"
 
+#ifdef __ANDROID__
+#include <signal.h>
+static void thread_signal_handler(int signum)
+{
+	pthread_exit(0);
+}
+#endif
+
 static struct date today, slctd_day;
 static unsigned ui_calendar_view;
 static int wday_start; /* this is used in signed arithmetic */
@@ -89,6 +97,15 @@
 /* ARGSUSED0 */
 static void *ui_calendar_date_thread(void *arg)
 {
+#ifdef __ANDROID__
+	struct sigaction actions;
+	memset(&actions, 0, sizeof(actions));
+	sigemptyset(&actions.sa_mask);
+	actions.sa_flags = 0;
+	actions.sa_handler = thread_signal_handler;
+	sigaction(SIGUSR2, &actions, NULL);
+#endif
+
 	time_t actual, tomorrow;
 
 	for (;;) {
@@ -118,7 +135,11 @@
 	if (pthread_equal(ui_calendar_t_date, pthread_self()))
 		return;
 
+#ifndef __ANDROID__
 	pthread_cancel(ui_calendar_t_date);
+#else
+	pthread_kill(ui_calendar_t_date, SIGUSR2);
+#endif
 	pthread_join(ui_calendar_t_date, NULL);
 	ui_calendar_t_date = pthread_self();
 }