Merge "Bufferstreams test app." into main

// 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.

android_app {

    name: "BufferStreamsDemoApp",

    srcs: ["java/**/*.java"],

    sdk_version: "current",

    jni_uses_platform_apis: true,

    jni_libs: ["libbufferstreamdemoapp"],

    use_embedded_native_libs: true,

    static_libs: [

        "androidx.appcompat_appcompat",

    ],

}

<?xml version="1.0" encoding="utf-8"?>

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

    package="com.android.graphics.bufferstreamsdemoapp"

    xmlns:tools="http://schemas.android.com/tools">

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        android:supportsRtl="true"

        android:theme="@style/Theme.AppCompat.Light"

        tools:targetApi="34">

        <activity

            android:name=".MainActivity"

            android:exported="true">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

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// 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.graphics.bufferstreamsdemoapp;

import android.os.Bundle;

import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    // Used to load the 'bufferstreamsdemoapp' library on application startup.

    static { System.loadLibrary("bufferstreamdemoapp"); }

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        RunBufferQueue();

        System.out.println("stringFromJNI: " + stringFromJNI());

    }

    /**

     * A native method that is implemented by the 'bufferstreamsdemoapp' native

     * library, which is packaged with this application.

     */

    public native String stringFromJNI();

    public native void RunBufferQueue();

}

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// 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.

cc_library_shared {

    name: "libbufferstreamdemoapp",

    cflags: [

        "-Werror",

        "-Wno-error=unused-parameter",

    ],

    shared_libs: [

        "libgui",

        "libbase",

        "libutils",

    ],

    header_libs: ["jni_headers"],

    srcs: ["*.cpp"],

}

// 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.

#include <jni.h>

#include <gui/BufferQueue.h>

extern "C"

{

    JNIEXPORT jstring JNICALL

    Java_com_android_graphics_bufferstreamsdemoapp_MainActivity_stringFromJNI(

            JNIEnv *env,

            jobject /* this */) {

        const char* hello = "Hello from C++";

        return env->NewStringUTF(hello);

    }

    JNIEXPORT void JNICALL

    Java_com_android_graphics_bufferstreamsdemoapp_MainActivity_RunBufferQueue(

            JNIEnv *env,

            jobject /* this */) {

        android::sp<android::IGraphicBufferProducer> producer;

        android::sp<android::IGraphicBufferConsumer> consumer;

        android::BufferQueue::createBufferQueue(&producer, &consumer);

    }

}

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