Add MediaProjection samples
Change-Id: I630900bdcfecc7f1c57b406a0bae09a0e917124a
This commit is contained in:
Michael Wright
@@ -2971,6 +2971,14 @@
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</intent-filter>
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</activity>
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<activity android:name=".media.projection.MediaProjectionDemo"
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android:label="Media/MediaProjection">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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</intent-filter>
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</activity>
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<!-- ************************************* -->
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<!-- APPWIDGET PACKAGE SAMPLES -->
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<!-- ************************************* -->
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45
samples/ApiDemos/res/layout/media_projection.xml
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45
samples/ApiDemos/res/layout/media_projection.xml
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@@ -0,0 +1,45 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (C) 2014 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<SurfaceView
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android:id="@+id/surface"
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android:layout_width="0dp"
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android:layout_height="0dp"
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android:layout_centerHorizontal="true"
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android:layout_alignParentTop="true"/>
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="horizontal"
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android:layout_alignParentBottom="true">
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<ToggleButton
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android:text="@string/screen_sharing_toggle"
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android:layout_width="0dp"
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android:layout_height="match_parent"
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android:layout_weight="1"
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android:onClick="onToggleScreenShare"/>
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<Spinner
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android:id="@+id/spinner"
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android:layout_width="0dp"
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android:layout_height="match_parent"
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android:layout_weight="1" />
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</LinearLayout>
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</RelativeLayout>
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@@ -918,6 +918,7 @@
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<string name="stream_video">Play Streaming Video</string>
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<string name="local_audio">Play Audio from Local File</string>
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<string name="res_audio">Play Audio from Resources</string>
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<string name="screen_sharing_toggle">Toggle screen sharing</string>
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<!-- =========================== -->
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<!-- os examples strings -->
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@@ -0,0 +1,222 @@
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.apis.media.projection;
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import com.example.android.apis.R;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.content.res.Configuration;
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import android.hardware.display.VirtualDisplay;
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import android.media.projection.MediaProjection;
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import android.media.projection.MediaProjectionManager;
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import android.os.Bundle;
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import android.util.DisplayMetrics;
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import android.util.Log;
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import android.view.Surface;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.Spinner;
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import android.widget.Toast;
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import android.widget.ToggleButton;
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import java.util.ArrayList;
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import java.util.List;
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public class MediaProjectionDemo extends Activity {
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private static final String TAG = "MediaProjectionDemo";
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private static final int PERMISSION_CODE = 1;
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private static final List<Resolution> RESOLUTIONS = new ArrayList<Resolution>() {{
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add(new Resolution(640,360));
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add(new Resolution(960,540));
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add(new Resolution(1366,768));
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add(new Resolution(1600,900));
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}};
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private int mScreenDensity;
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private MediaProjectionManager mProjectionManager;
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private int mDisplayWidth;
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private int mDisplayHeight;
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private boolean mScreenSharing;
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private MediaProjection mMediaProjection;
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private VirtualDisplay mVirtualDisplay;
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private Surface mSurface;
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private SurfaceView mSurfaceView;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.media_projection);
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DisplayMetrics metrics = new DisplayMetrics();
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getWindowManager().getDefaultDisplay().getMetrics(metrics);
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mScreenDensity = metrics.densityDpi;
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mSurfaceView = (SurfaceView) findViewById(R.id.surface);
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mSurface = mSurfaceView.getHolder().getSurface();
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mProjectionManager =
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(MediaProjectionManager) getSystemService(Context.MEDIA_PROJECTION_SERVICE);
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ArrayAdapter<Resolution> arrayAdapter = new ArrayAdapter<Resolution>(
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this, android.R.layout.simple_list_item_1, RESOLUTIONS);
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Spinner s = (Spinner) findViewById(R.id.spinner);
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s.setAdapter(arrayAdapter);
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s.setOnItemSelectedListener(new ResolutionSelector());
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s.setSelection(0);
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (mMediaProjection != null) {
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mMediaProjection.stop();
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mMediaProjection = null;
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}
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (requestCode != PERMISSION_CODE) {
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Log.e(TAG, "Unknown request code: " + requestCode);
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return;
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}
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if (resultCode != RESULT_OK) {
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Toast.makeText(this,
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"User denied screen sharing permission", Toast.LENGTH_SHORT).show();
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return;
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}
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mMediaProjection = mProjectionManager.getMediaProjection(resultCode, data);
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mVirtualDisplay = createVirtualDisplay();
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}
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public void onToggleScreenShare(View view) {
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if (((ToggleButton) view).isChecked()) {
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shareScreen();
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} else {
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stopScreenSharing();
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}
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}
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private void shareScreen() {
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mScreenSharing = true;
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if (mSurface == null) {
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return;
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}
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if (mMediaProjection == null) {
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startActivityForResult(mProjectionManager.getScreenCaptureIntent(), PERMISSION_CODE);
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return;
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}
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mVirtualDisplay = createVirtualDisplay();
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}
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private void stopScreenSharing() {
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mScreenSharing = false;
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if (mVirtualDisplay == null) {
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return;
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}
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mVirtualDisplay.release();
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}
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private VirtualDisplay createVirtualDisplay() {
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return mMediaProjection.createVirtualDisplay("ScreenSharingDemo",
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mDisplayWidth, mDisplayHeight, mScreenDensity,
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false /*isSecure*/, mSurface, null /*Callbacks*/, null /*Handler*/);
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}
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private void resizeVirtualDisplay() {
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if (mVirtualDisplay == null) {
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return;
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}
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mVirtualDisplay.resize(mDisplayWidth, mDisplayHeight, mScreenDensity);
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}
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private class ResolutionSelector implements Spinner.OnItemSelectedListener {
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@Override
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public void onItemSelected(AdapterView<?> parent, View v, int pos, long id) {
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Resolution r = (Resolution) parent.getItemAtPosition(pos);
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ViewGroup.LayoutParams lp = mSurfaceView.getLayoutParams();
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if (getResources().getConfiguration().orientation
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== Configuration.ORIENTATION_LANDSCAPE) {
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mDisplayHeight = r.y;
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mDisplayWidth = r.x;
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} else {
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mDisplayHeight = r.x;
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mDisplayWidth = r.y;
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}
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lp.height = mDisplayHeight;
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lp.width = mDisplayWidth;
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mSurfaceView.setLayoutParams(lp);
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) { /* Ignore */ }
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}
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private class MediaProjectionCallback extends MediaProjection.Callback {
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@Override
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public void onStop() {
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mMediaProjection = null;
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stopScreenSharing();
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}
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}
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private class SurfaceCallbacks implements SurfaceHolder.Callback {
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@Override
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public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
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mDisplayWidth = width;
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mDisplayHeight = height;
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resizeVirtualDisplay();
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}
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@Override
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public void surfaceCreated(SurfaceHolder holder) {
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mSurface = holder.getSurface();
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if (mScreenSharing) {
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shareScreen();
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}
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}
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@Override
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public void surfaceDestroyed(SurfaceHolder holder) {
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if (!mScreenSharing) {
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stopScreenSharing();
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}
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}
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}
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private static class Resolution {
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int x;
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int y;
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public Resolution(int x, int y) {
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this.x = x;
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this.y = y;
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}
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@Override
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public String toString() {
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return x + "x" + y;
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}
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}
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}
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