[Audiosharing] Migrate feature from overlay to Settings

Bug: 340379827
Test: atest
Change-Id: I3a88ac1d2f575f3be1f26f617479bbfd25cf6a8e

src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsQrCodeFragment.java

@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2023 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.connecteddevice.audiosharing.audiostreams;
+
+import android.bluetooth.BluetoothLeBroadcastMetadata;
+import android.graphics.Bitmap;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.Nullable;
+
+import com.android.settings.R;
+import com.android.settings.bluetooth.Utils;
+import com.android.settings.core.InstrumentedFragment;
+import com.android.settingslib.bluetooth.BluetoothLeBroadcastMetadataExt;
+import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcast;
+import com.android.settingslib.qrcode.QrCodeGenerator;
+
+import com.google.zxing.WriterException;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Optional;
+
+public class AudioStreamsQrCodeFragment extends InstrumentedFragment {
+    private static final String TAG = "AudioStreamsQrCodeFragment";
+
+    @Override
+    public int getMetricsCategory() {
+        // TODO(chelseahao): update metrics id
+        return 0;
+    }
+
+    @Override
+    public final View onCreateView(
+            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.xml.bluetooth_audio_streams_qr_code, container, false);
+
+        BluetoothLeBroadcastMetadata broadcastMetadata = getBroadcastMetadata();
+
+        if (broadcastMetadata != null) {
+            Optional<Bitmap> bm = getQrCodeBitmap(broadcastMetadata);
+            if (bm.isEmpty()) {
+                return view;
+            }
+            ((ImageView) view.requireViewById(R.id.qrcode_view)).setImageBitmap(bm.get());
+            if (broadcastMetadata.getBroadcastCode() != null) {
+                String password =
+                        new String(broadcastMetadata.getBroadcastCode(), StandardCharsets.UTF_8);
+                String passwordText =
+                        getContext()
+                                .getString(R.string.audio_streams_qr_code_page_password, password);
+                ((TextView) view.requireViewById(R.id.password)).setText(passwordText);
+            }
+            TextView summaryView = view.requireViewById(android.R.id.summary);
+            String summary =
+                    view.getContext()
+                            .getString(
+                                    R.string.audio_streams_qr_code_page_description,
+                                    broadcastMetadata.getBroadcastName());
+            summaryView.setText(summary);
+        }
+        return view;
+    }
+
+    private Optional<Bitmap> getQrCodeBitmap(@Nullable BluetoothLeBroadcastMetadata metadata) {
+        if (metadata == null) {
+            Log.d(TAG, "onCreateView: broadcastMetadata is empty!");
+            return Optional.empty();
+        }
+        String metadataStr = BluetoothLeBroadcastMetadataExt.INSTANCE.toQrCodeString(metadata);
+        if (metadataStr.isEmpty()) {
+            Log.d(TAG, "onCreateView: metadataStr is empty!");
+            return Optional.empty();
+        }
+        Log.i(TAG, "onCreateView: metadataStr : " + metadataStr);
+        try {
+            int qrcodeSize =
+                    getContext()
+                            .getResources()
+                            .getDimensionPixelSize(R.dimen.audio_streams_qrcode_size);
+            Bitmap bitmap = QrCodeGenerator.encodeQrCode(metadataStr, qrcodeSize);
+            return Optional.of(bitmap);
+        } catch (WriterException e) {
+            Log.d(
+                    TAG,
+                    "onCreateView: broadcastMetadata "
+                            + metadata
+                            + " qrCode generation exception "
+                            + e);
+        }
+
+        return Optional.empty();
+    }
+
+    @Nullable
+    private BluetoothLeBroadcastMetadata getBroadcastMetadata() {
+        LocalBluetoothLeBroadcast localBluetoothLeBroadcast =
+                Utils.getLocalBtManager(getActivity())
+                        .getProfileManager()
+                        .getLeAudioBroadcastProfile();
+        if (localBluetoothLeBroadcast == null) {
+            Log.d(TAG, "getBroadcastMetadataQrCode: localBluetoothLeBroadcast is null!");
+            return null;
+        }
+
+        BluetoothLeBroadcastMetadata metadata =
+                localBluetoothLeBroadcast.getLatestBluetoothLeBroadcastMetadata();
+        if (metadata == null) {
+            Log.d(TAG, "getBroadcastMetadataQrCode: metadata is null!");
+            return null;
+        }
+
+        return metadata;
+    }
+}