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Commit e8b3081f authored by chelseahao's avatar chelseahao
Browse files

[Audiosharing] Display broadcast QR code. 

Bug: 308368124
Test: Manual
Change-Id: I19ec1d15ab26e178b4bb1d9ea1d84dcce0dcc109
parent 56f5e53a

res/xml/bluetooth_audio_streams_qr_code.xml

0 → 100644
+57 −0
Original line number Diff line number Diff line 
<?xml version="1.0" encoding="utf-8"?>

<!--

  ~ 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.

  -->



<LinearLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent">



    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:clipToPadding="false"

        android:paddingLeft="25dp"

        android:paddingRight="25dp"

        android:gravity="center_horizontal"

        android:orientation="vertical">



        <TextView

            android:id="@android:id/summary"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:gravity="start"

            android:textSize="15sp"

            android:textColor="?android:attr/textColorPrimary"

            android:text="Scan this QR code with another device connected to LE audio headphones to start sharing audio"/>



        <LinearLayout

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:gravity="center"

            android:orientation="vertical"

            android:paddingTop="70dp">



            <ImageView

                android:id="@+id/qrcode_view"

                android:layout_width="@dimen/qrcode_size"

                android:layout_height="@dimen/qrcode_size"

                android:src="@android:color/transparent"/>

        </LinearLayout>



    </LinearLayout>



</LinearLayout>
 
 No newline at end of file

src/com/android/settings/connecteddevice/audiosharing/AudioSharingNamePreference.java

+9 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


package com.android.settings.connecteddevice.audiosharing;



import android.app.settings.SettingsEnums;

import android.content.Context;

import android.util.AttributeSet;

import android.widget.ImageButton;
@@ -23,6 +24,7 @@ import android.widget.ImageButton; 
import androidx.preference.PreferenceViewHolder;



import com.android.settings.R;

import com.android.settings.core.SubSettingLauncher;

import com.android.settings.widget.ValidatedEditTextPreference;



public class AudioSharingNamePreference extends ValidatedEditTextPreference {
@@ -60,5 +62,12 @@ public class AudioSharingNamePreference extends ValidatedEditTextPreference { 
        super.onBindViewHolder(holder);

        final ImageButton shareButton = (ImageButton) holder.findViewById(R.id.button_icon);

        shareButton.setImageDrawable(getContext().getDrawable(R.drawable.ic_qrcode_24dp));

        shareButton.setOnClickListener(

                unused ->

                        new SubSettingLauncher(getContext())

                                .setTitleText("Audio sharing QR code")

                                .setDestination(AudioStreamsQrCodeFragment.class.getName())

                                .setSourceMetricsCategory(SettingsEnums.AUDIO_SHARING_SETTINGS)

                                .launch());

    }

}

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

0 → 100644
+97 −0
Original line number Diff line number Diff line 
/*

 * 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;



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 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.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);

        getQrCodeBitmap().ifPresent(

                bm -> ((ImageView) view.requireViewById(R.id.qrcode_view)).setImageBitmap(bm));

        return view;

    }



    private Optional<Bitmap> getQrCodeBitmap() {

        String broadcastMetadata = getBroadcastMetadataQrCode();

        if (broadcastMetadata.isEmpty()) {

            Log.d(TAG, "onCreateView: broadcastMetadata is empty!");

            return Optional.empty();

        }



        try {

            int qrcodeSize = getContext().getResources().getDimensionPixelSize(R.dimen.qrcode_size);

            Bitmap bitmap = QrCodeGenerator.encodeQrCode(broadcastMetadata, qrcodeSize);

            return Optional.of(bitmap);

        } catch (WriterException e) {

            Log.d(TAG, "onCreateView: broadcastMetadata "

                    + broadcastMetadata

                    + " qrCode generation exception "

                    + e);

        }



        return Optional.empty();

    }



    private String getBroadcastMetadataQrCode() {

        LocalBluetoothLeBroadcast localBluetoothLeBroadcast =

                Utils.getLocalBtManager(getActivity())

                        .getProfileManager()

                        .getLeAudioBroadcastProfile();

        if (localBluetoothLeBroadcast == null) {

            Log.d(TAG, "getBroadcastMetadataQrCode: localBluetoothLeBroadcast is null!");

            return "";

        }



        BluetoothLeBroadcastMetadata metadata =

                localBluetoothLeBroadcast.getLatestBluetoothLeBroadcastMetadata();

        if (metadata == null) {

            Log.d(TAG, "getBroadcastMetadataQrCode: metadata is null!");

            return "";

        }



        return BluetoothLeBroadcastMetadataExt.INSTANCE.toQrCodeString(metadata);

    }

}