package com.android.internal.widget;
import android.app.DevicePolicyManager;
-import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
+import android.os.RemoteException;
+import android.os.ServiceManager;
import android.os.SystemClock;
import android.provider.Settings;
import android.security.MessageDigest;
+import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.Log;
+import android.widget.Button;
+import com.android.internal.R;
+import com.android.internal.telephony.ITelephony;
import com.google.android.collect.Lists;
import java.io.FileNotFoundException;
|| (mode == MODE_PIN || mode == MODE_PASSWORD) && savedPasswordExists();
return secure;
}
+
+ /**
+ * Sets the text on the emergency button to indicate what action will be taken.
+ * If there's currently a call in progress, the button will take them to the call
+ * @param button the button to update
+ */
+ public void updateEmergencyCallButtonState(Button button) {
+ int newState = TelephonyManager.getDefault().getCallState();
+ int textId;
+ if (newState == TelephonyManager.CALL_STATE_OFFHOOK) {
+ // show "return to call" text and show phone icon
+ textId = R.string.lockscreen_return_to_call;
+ int phoneCallIcon = R.drawable.stat_sys_phone_call;
+ button.setCompoundDrawablesWithIntrinsicBounds(phoneCallIcon, 0, 0, 0);
+ } else {
+ textId = R.string.lockscreen_emergency_call;
+ int emergencyIcon = R.drawable.ic_emergency;
+ button.setCompoundDrawablesWithIntrinsicBounds(emergencyIcon, 0, 0, 0);
+ }
+ button.setText(textId);
+ }
+
+ /**
+ * Resumes a call in progress. Typically launched from the EmergencyCall button
+ * on various lockscreens.
+ *
+ * @return true if we were able to tell InCallScreen to show.
+ */
+ public boolean resumeCall() {
+ ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
+ try {
+ if (phone != null && phone.showCallScreen()) {
+ return true;
+ }
+ } catch (RemoteException e) {
+ // What can we do?
+ }
+ return false;
+ }
}
<string name="lockscreen_pattern_instructions">Draw pattern to unlock</string>
<!-- Button at the bottom of the unlock screen to make an emergency call. -->
<string name="lockscreen_emergency_call">Emergency call</string>
+ <!-- Button at the bottom of the unlock screen that lets the user return to a call -->
+ <string name="lockscreen_return_to_call">Return to call</string>
<!-- Shown to confirm that the user entered their lock pattern correctly. -->
<string name="lockscreen_pattern_correct">Correct!</string>
<!-- On the unlock pattern screen, shown when the user enters the wrong lock pattern and must try again. -->