1 files changed, 118 insertions, 0 deletions
diff --git a/parts/src/org/lineageos/settings/speaker/ClearSpeakerFragment.java b/parts/src/org/lineageos/settings/speaker/ClearSpeakerFragment.java
new file mode 100644
index 0000000..7f12fd9
--- /dev/null
+++ b/parts/src/org/lineageos/settings/speaker/ClearSpeakerFragment.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2020 Paranoid Android
+ *
+ * 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 org.lineageos.settings.speaker;
+
+import android.content.Context;
+import android.content.res.AssetFileDescriptor;
+import android.media.AudioManager;
+import android.media.AudioAttributes;
+import android.media.MediaPlayer;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.util.Log;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.SwitchPreference;
+
+import org.lineageos.settings.R;
+
+import java.io.IOException;
+
+public class ClearSpeakerFragment extends PreferenceFragment implements
+        Preference.OnPreferenceChangeListener {
+
+    private static final String TAG = ClearSpeakerFragment.class.getSimpleName();
+
+    private static final String PREF_CLEAR_SPEAKER = "clear_speaker_pref";
+
+    private AudioManager mAudioManager;
+    private Handler mHandler;
+    private MediaPlayer mMediaPlayer;
+    private SwitchPreference mClearSpeakerPref;
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        addPreferencesFromResource(R.xml.clear_speaker_settings);
+
+        mClearSpeakerPref = (SwitchPreference) findPreference(PREF_CLEAR_SPEAKER);
+        mClearSpeakerPref.setOnPreferenceChangeListener(this);
+
+        mHandler = new Handler();
+        mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        if (preference == mClearSpeakerPref) {
+            boolean value = (Boolean) newValue;
+            if (value) {
+                if (startPlaying()) {
+                    mHandler.removeCallbacksAndMessages(null);
+                    mHandler.postDelayed(() -> {
+                        stopPlaying();
+                    }, 30000);
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public void onStop() {
+        stopPlaying();
+        super.onStop();
+    }
+
+    public boolean startPlaying() {
+        mAudioManager.setParameters("status_earpiece_clean=on");
+        mMediaPlayer = new MediaPlayer();
+        getActivity().setVolumeControlStream(AudioManager.STREAM_MUSIC);
+        mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
+        mMediaPlayer.setLooping(true);
+        try {
+            AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.clear_speaker_sound);
+            try {
+                mMediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
+            } finally {
+                file.close();
+            }
+            mClearSpeakerPref.setEnabled(false);
+            mMediaPlayer.setVolume(1.0f, 1.0f);
+            mMediaPlayer.prepare();
+            mMediaPlayer.start();
+        } catch (IOException ioe) {
+            Log.e(TAG, "Failed to play speaker clean sound!", ioe);
+            return false;
+        }
+        return true;
+    }
+
+    public void stopPlaying() {
+        if (mMediaPlayer != null) {
+            mMediaPlayer.stop();
+            mMediaPlayer.reset();
+            mMediaPlayer.release();
+        }
+        mAudioManager.setParameters("status_earpiece_clean=off");
+        mClearSpeakerPref.setEnabled(true);
+        mClearSpeakerPref.setChecked(false);
+    }
+}