Settings Fragment Migration (Build pass app)

This patch focused on fixing compile errors and some runtime errors.

Test: We can't test it now. But we will have an integration test later.
Bug: 110259478
Change-Id: I16c471ddcd0fa1460c665b7f74d86fcace5ee67b

src/com/android/settings/password/ChooseLockTypeDialogFragment.java

@@ -17,8 +17,6 @@
 package com.android.settings.password;
 
 import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.AlertDialog.Builder;
 import android.app.Dialog;
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
@@ -42,6 +40,7 @@ import com.android.setupwizardlib.util.WizardManagerHelper;
 
 import java.util.List;
 
+import androidx.appcompat.app.AlertDialog.Builder;
 import androidx.fragment.app.Fragment;
 
 /**
@@ -133,7 +132,7 @@ public class ChooseLockTypeDialogFragment extends InstrumentedDialogFragment
         mAdapter = new ScreenLockAdapter(context, locks, mController);
         builder.setAdapter(mAdapter, this);
         builder.setTitle(R.string.setup_lock_settings_options_dialog_title);
-        AlertDialog alertDialog = builder.create();
+        Dialog alertDialog = builder.create();
         return alertDialog;
     }
 

src/com/android/settings/password/ConfirmDeviceCredentialBaseActivity.java

@@ -124,7 +124,7 @@ public abstract class ConfirmDeviceCredentialBaseActivity extends SettingsActivi
     }
 
     private ConfirmDeviceCredentialBaseFragment getFragment() {
-        Fragment fragment = getFragmentManager().findFragmentById(R.id.main_content);
+        Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.main_content);
         if (fragment != null && fragment instanceof ConfirmDeviceCredentialBaseFragment) {
             return (ConfirmDeviceCredentialBaseFragment) fragment;
         }

src/com/android/settings/password/ConfirmLockPassword.java

@@ -85,7 +85,7 @@ public class ConfirmLockPassword extends ConfirmDeviceCredentialBaseActivity {
     @Override
     public void onWindowFocusChanged(boolean hasFocus) {
         super.onWindowFocusChanged(hasFocus);
-        Fragment fragment = getFragmentManager().findFragmentById(R.id.main_content);
+        Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.main_content);
         if (fragment != null && fragment instanceof ConfirmLockPasswordFragment) {
             ((ConfirmLockPasswordFragment)fragment).onWindowFocusChanged(hasFocus);
         }

src/com/android/settings/password/SetupChooseLockGeneric.java

@@ -36,6 +36,7 @@ import com.android.settings.utils.SettingsDividerItemDecoration;
 import com.android.setupwizardlib.GlifPreferenceLayout;
 
 import androidx.preference.Preference;
+import androidx.preference.PreferenceFragmentCompat;
 import androidx.recyclerview.widget.RecyclerView;
 
 /**
@@ -55,7 +56,7 @@ public class SetupChooseLockGeneric extends ChooseLockGeneric {
     }
 
     @Override
-    /* package */ Class<? extends PreferenceFragment> getFragmentClass() {
+    /* package */ Class<? extends PreferenceFragmentCompat> getFragmentClass() {
         return SetupChooseLockGenericFragment.class;
     }