Update fingerprint enroll UI to spec.

Also adds sliding animations between the steps.

Bug: 20495507
Change-Id: I148d8d8b8082361149f02fd2dc4cead0ba3e2526

src/com/android/settings/fingerprint/FingerprintEnrollBase.java

@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.settings.fingerprint;
+
+import android.annotation.Nullable;
+import android.app.Activity;
+import android.content.Intent;
+import android.graphics.Color;
+import android.hardware.fingerprint.FingerprintManager;
+import android.os.Bundle;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.Button;
+
+import com.android.settings.ChooseLockSettingsHelper;
+import com.android.settings.R;
+import com.android.setupwizardlib.SetupWizardLayout;
+import com.android.setupwizardlib.view.NavigationBar;
+
+/**
+ * Base activity for all fingerprint enrollment steps.
+ */
+public class FingerprintEnrollBase extends Activity implements View.OnClickListener {
+
+    /**
+     * Used by the choose fingerprint wizard to indicate the wizard is
+     * finished, and each activity in the wizard should finish.
+     * <p>
+     * Previously, each activity in the wizard would finish itself after
+     * starting the next activity. However, this leads to broken 'Back'
+     * behavior. So, now an activity does not finish itself until it gets this
+     * result.
+     */
+    protected static final int RESULT_FINISHED = RESULT_FIRST_USER;
+
+    protected byte[] mToken;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setTheme(R.style.Theme_FingerprintEnroll);
+        mToken = getIntent().getByteArrayExtra(
+                ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
+        if (savedInstanceState != null && mToken == null) {
+            mToken = savedInstanceState.getByteArray(
+                    ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
+        }
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putByteArray(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken);
+    }
+
+    @Override
+    protected void onPostCreate(@Nullable Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS |
+                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN |
+                WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
+
+        getWindow().getDecorView().setSystemUiVisibility(
+                View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
+
+        getWindow().setStatusBarColor(Color.TRANSPARENT);
+        getNavigationBar().setVisibility(View.GONE);
+        Button nextButton = getNextButton();
+        if (nextButton != null) {
+            nextButton.setOnClickListener(this);
+        }
+    }
+
+    protected NavigationBar getNavigationBar() {
+        return (NavigationBar) findViewById(R.id.suw_layout_navigation_bar);
+    }
+
+    protected SetupWizardLayout getSetupWizardLayout() {
+        return (SetupWizardLayout) findViewById(R.id.setup_wizard_layout);
+    }
+
+    protected void setHeaderText(int resId) {
+        getSetupWizardLayout().setHeaderText(getText(resId));
+    }
+
+    protected Button getNextButton() {
+        return (Button) findViewById(R.id.next_button);
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v == getNextButton()) {
+            onNextButtonClick();
+        }
+    }
+
+    protected void onNextButtonClick() {
+    }
+
+    protected Intent getEnrollingIntent() {
+        Intent intent = new Intent();
+        intent.setClassName("com.android.settings", FingerprintEnrollEnrolling.class.getName());
+        intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken);
+        return intent;
+    }
+}