From 429e27894859bdadb1e55cac7eeb8dc51fe05410 Mon Sep 17 00:00:00 2001
From: Christian S <christian@pix-art.de>
Date: Thu, 5 May 2016 22:14:56 +0200
Subject: add audio recorder

---
 src/main/AndroidManifest.xml                       |  11 ++
 .../conversations/ui/ConversationActivity.java     |  10 +-
 .../siacs/conversations/ui/RecordingActivity.java  | 159 +++++++++++++++++++++
 src/main/res/layout/activity_recording.xml         |  52 +++++++
 src/main/res/values/strings.xml                    |   2 +
 src/main/res/values/themes.xml                     |   6 +
 6 files changed, 235 insertions(+), 5 deletions(-)
 create mode 100644 src/main/java/eu/siacs/conversations/ui/RecordingActivity.java
 create mode 100644 src/main/res/layout/activity_recording.xml

diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index 57fdd4c69..9b85f1a4d 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -14,6 +14,7 @@
     <uses-permission android:name="android.permission.VIBRATE"/>
     <uses-permission android:name="android.permission.NFC"/>
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
+    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
 
     <uses-permission
         android:name="android.permission.READ_PHONE_STATE"
@@ -161,6 +162,16 @@
                 android:name="android.service.chooser.chooser_target_service"
                 android:value=".services.ContactChooserTargetService"/>
         </activity>
+        <activity
+            android:theme="@style/ConversationsDialog"
+            android:name=".ui.RecordingActivity"
+            android:label="@string/app_name"
+            android:configChanges="orientation|screenSize">
+            <intent-filter>
+                <action android:name="android.provider.MediaStore.RECORD_SOUND" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
         <activity
             android:name=".ui.TrustKeysActivity"
             android:label="@string/trust_omemo_fingerprints"
diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
index f7cb3d1b8..b336d98e2 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
@@ -552,11 +552,11 @@ public class ConversationActivity extends XmppActivity
 						intent.addCategory(Intent.CATEGORY_OPENABLE);
 						intent.setAction(Intent.ACTION_GET_CONTENT);
 						break;
-					case ATTACHMENT_CHOICE_RECORD_VOICE:
-						intent.setAction(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
-						fallbackPackageId = "eu.siacs.conversations.voicerecorder";
-						break;
-					case ATTACHMENT_CHOICE_LOCATION:
+                    case ATTACHMENT_CHOICE_RECORD_VOICE:
+                        intent.setAction(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
+                        intent.setPackage("eu.siacs.conversations");
+                        break;
+                    case ATTACHMENT_CHOICE_LOCATION:
 						intent.setAction("eu.siacs.conversations.location.request");
 						fallbackPackageId = "eu.siacs.conversations.sharelocation";
 						break;
diff --git a/src/main/java/eu/siacs/conversations/ui/RecordingActivity.java b/src/main/java/eu/siacs/conversations/ui/RecordingActivity.java
new file mode 100644
index 000000000..4c2a79a08
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/RecordingActivity.java
@@ -0,0 +1,159 @@
+package eu.siacs.conversations.ui;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.media.MediaRecorder;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.SystemClock;
+import android.util.Log;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.TextView;
+
+import eu.siacs.conversations.R;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+
+import eu.siacs.conversations.Config;
+
+public class RecordingActivity extends Activity implements View.OnClickListener {
+
+	private TextView mTimerTextView;
+	private Button mCancelButton;
+	private Button mStopButton;
+
+	private MediaRecorder mRecorder;
+	private long mStartTime = 0;
+
+	private int[] amplitudes = new int[100];
+	private int i = 0;
+
+	private Handler mHandler = new Handler();
+	private Runnable mTickExecutor = new Runnable() {
+		@Override
+		public void run() {
+			tick();
+			mHandler.postDelayed(mTickExecutor,100);
+		}
+	};
+	private File mOutputFile;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_recording);
+		this.mTimerTextView = (TextView) this.findViewById(R.id.timer);
+		this.mCancelButton = (Button) this.findViewById(R.id.cancel_button);
+		this.mCancelButton.setOnClickListener(this);
+		this.mStopButton = (Button) this.findViewById(R.id.share_button);
+		this.mStopButton.setOnClickListener(this);
+		getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+	}
+
+	@Override
+	protected void onStart() {
+		super.onStart();
+		Log.d(Config.LOGTAG, "output: " + getOutputFile());
+		startRecording();
+	}
+
+	@Override
+	protected void onStop() {
+		super.onStop();
+		if (mRecorder != null) {
+			stopRecording(false);
+		}
+	}
+
+	private void startRecording() {
+		mRecorder = new MediaRecorder();
+		mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
+		mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+			mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
+			mRecorder.setAudioEncodingBitRate(48000);
+		} else {
+			mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
+			mRecorder.setAudioEncodingBitRate(48000);
+		}
+		mRecorder.setAudioSamplingRate(48000);
+		mOutputFile = getOutputFile();
+		mOutputFile.getParentFile().mkdirs();
+		mRecorder.setOutputFile(mOutputFile.getAbsolutePath());
+
+		try {
+			mRecorder.prepare();
+			mRecorder.start();
+			mStartTime = SystemClock.elapsedRealtime();
+			mHandler.postDelayed(mTickExecutor, 100);
+			Log.d(Config.LOGTAG,"started recording to "+mOutputFile.getAbsolutePath());
+		} catch (IOException e) {
+			Log.e(Config.LOGTAG, "prepare() failed "+e.getMessage());
+		}
+	}
+
+	protected  void stopRecording(boolean saveFile) {
+		mRecorder.stop();
+		mRecorder.release();
+		mRecorder = null;
+		mStartTime = 0;
+		mHandler.removeCallbacks(mTickExecutor);
+		if (!saveFile && mOutputFile != null) {
+			mOutputFile.delete();
+		}
+	}
+
+	private File getOutputFile() {
+		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US);
+		return new File(Environment.getExternalStorageDirectory().getAbsolutePath().toString()
+				+ "/Pix-Art Messenger/Recording"
+				+ dateFormat.format(new Date())
+				+ ".m4a");
+	}
+
+	private void tick() {
+		long time = (mStartTime < 0) ? 0 : (SystemClock.elapsedRealtime() - mStartTime);
+		int minutes = (int) (time / 60000);
+		int seconds = (int) (time / 1000) % 60;
+		int milliseconds = (int) (time / 100) % 10;
+		mTimerTextView.setText(minutes+":"+(seconds < 10 ? "0"+seconds : seconds)+"."+milliseconds);
+		if (mRecorder != null) {
+			amplitudes[i] = mRecorder.getMaxAmplitude();
+			//Log.d(Config.LOGTAG,"amplitude: "+(amplitudes[i] * 100 / 32767));
+			if (i >= amplitudes.length -1) {
+				i = 0;
+			} else {
+				++i;
+			}
+		}
+	}
+
+	@Override
+	public void onClick(View view) {
+		switch (view.getId()) {
+			case R.id.cancel_button:
+				stopRecording(false);
+				setResult(RESULT_CANCELED);
+				finish();
+				break;
+			case R.id.share_button:
+				stopRecording(true);
+				Uri uri = Uri.parse("file://"+mOutputFile.getAbsolutePath());
+				Intent scanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+				scanIntent.setData(uri);
+				sendBroadcast(scanIntent);
+				setResult(Activity.RESULT_OK, new Intent().setData(uri));
+				finish();
+				break;
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/main/res/layout/activity_recording.xml b/src/main/res/layout/activity_recording.xml
new file mode 100644
index 000000000..2e5ea7307
--- /dev/null
+++ b/src/main/res/layout/activity_recording.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="@color/grey50">
+
+    <LinearLayout
+        android:id="@+id/button_bar"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/timer"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true">
+
+        <Button
+            android:id="@+id/cancel_button"
+            style="?android:attr/borderlessButtonStyle"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/cancel"
+            android:textColor="@color/primary" />
+
+        <View
+            android:layout_width="1dp"
+            android:layout_height="fill_parent"
+            android:layout_marginBottom="7dp"
+            android:layout_marginTop="7dp"
+            android:background="@color/accent" />
+
+        <Button
+            android:id="@+id/share_button"
+            style="?android:attr/borderlessButtonStyle"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/share"
+            android:textColor="@color/primary" />
+    </LinearLayout>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="50sp"
+        android:text="0:00.0"
+        android:textColor="@color/primary"
+        android:typeface="monospace"
+        android:textStyle="bold"
+        android:id="@+id/timer"
+        android:layout_alignParentTop="true"
+        android:layout_centerHorizontal="true"/>
+</RelativeLayout>
\ No newline at end of file
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 136c3983e..ecc715de9 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -671,5 +671,7 @@
 	<string name="presence_dnd">Busy</string>
 	<string name="secure_password_generated">A secure password has been generated</string>
 	<string name="device_does_not_support_battery_op">Your device does not support opting out of battery optimization</string>
+    <string name="share">Teilen</string>
+    <string name="no_mic_permissions">No permissions to record audio</string>
 
 </resources>
diff --git a/src/main/res/values/themes.xml b/src/main/res/values/themes.xml
index db86770fe..f3592b823 100644
--- a/src/main/res/values/themes.xml
+++ b/src/main/res/values/themes.xml
@@ -55,5 +55,11 @@
     <style name="ConversationsActionBarTabs" parent="@android:style/Widget.Holo.ActionBar.TabView">
         <item name="android:background">@drawable/actionbar_tab_indicator</item>
     </style>
+    <style name="ConversationsDialog" parent="@android:style/Theme.Holo.Light.Dialog">
+        <item name="android:windowNoTitle">true</item>
+        <item name="TextSizeInfo">12sp</item>
+        <item name="TextSizeBody">14sp</item>
+        <item name="TextSizeHeadline">20sp</item>
+    </style>
 
 </resources>
\ No newline at end of file
-- 
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