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Commit 448db3a8 authored Mar 05, 2022 by Patrick Huang

Hide lockscreen Emergency button if device lacks telephony

Emergency calling requires a telephony radio.

Bug: 220435157
Fix: 220435157
Test: Manual test on phone and tablet
Change-Id: I7086caf39bf03dc385062defb3e912b4457f41e5

parent ad0f5f8b

packages/SystemUI/src/com/android/keyguard/EmergencyButton.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -107,10 +107,10 @@ public class EmergencyButton extends Button {
		return super.performLongClick();
		}

		void updateEmergencyCallButton(boolean isInCall, boolean isVoiceCapable, boolean simLocked) {
		void updateEmergencyCallButton(boolean isInCall, boolean hasTelephonyRadio, boolean simLocked) {
		boolean visible = false;
		if (isVoiceCapable) {
		// Emergency calling requires voice capability.
		if (hasTelephonyRadio) {
		// Emergency calling requires a telephony radio.
		if (isInCall) {
		visible = true; // always show "return to call" if phone is off-hook
		} else {

packages/SystemUI/src/com/android/keyguard/EmergencyButtonController.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import static com.android.systemui.DejankUtils.whitelistIpcs;
		import android.app.ActivityOptions;
		import android.app.ActivityTaskManager;
		import android.content.Intent;
		import android.content.pm.PackageManager;
		import android.content.res.Configuration;
		import android.os.PowerManager;
		import android.os.SystemClock;
		@@ -116,7 +117,8 @@ public class EmergencyButtonController extends ViewController<EmergencyButton> {
		if (mView != null) {
		mView.updateEmergencyCallButton(
		mTelecomManager != null && mTelecomManager.isInCall(),
		mTelephonyManager.isVoiceCapable(),
		getContext().getPackageManager().hasSystemFeature(
		PackageManager.FEATURE_TELEPHONY),
		mKeyguardUpdateMonitor.isSimPinVoiceSecure());
		}
		}