50 lines
2.3 KiB
Java
50 lines
2.3 KiB
Java
package androidx.media;
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import android.media.AudioManager;
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import android.os.Build;
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import androidx.annotation.IntRange;
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import androidx.annotation.NonNull;
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public final class AudioManagerCompat {
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public static final int AUDIOFOCUS_GAIN = 1;
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public static final int AUDIOFOCUS_GAIN_TRANSIENT = 2;
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public static final int AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE = 4;
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public static final int AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK = 3;
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private static final String TAG = "AudioManCompat";
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private AudioManagerCompat() {
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}
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public static int abandonAudioFocusRequest(@NonNull AudioManager audioManager, @NonNull AudioFocusRequestCompat audioFocusRequestCompat) {
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if (audioManager == null) {
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throw new IllegalArgumentException("AudioManager must not be null");
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} else if (audioFocusRequestCompat != null) {
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return Build.VERSION.SDK_INT >= 26 ? audioManager.abandonAudioFocusRequest(audioFocusRequestCompat.getAudioFocusRequest()) : audioManager.abandonAudioFocus(audioFocusRequestCompat.getOnAudioFocusChangeListener());
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} else {
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throw new IllegalArgumentException("AudioFocusRequestCompat must not be null");
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}
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}
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@IntRange(from = 0)
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public static int getStreamMaxVolume(@NonNull AudioManager audioManager, int i) {
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return audioManager.getStreamMaxVolume(i);
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}
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@IntRange(from = 0)
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public static int getStreamMinVolume(@NonNull AudioManager audioManager, int i) {
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if (Build.VERSION.SDK_INT >= 28) {
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return audioManager.getStreamMinVolume(i);
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}
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return 0;
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}
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public static int requestAudioFocus(@NonNull AudioManager audioManager, @NonNull AudioFocusRequestCompat audioFocusRequestCompat) {
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if (audioManager == null) {
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throw new IllegalArgumentException("AudioManager must not be null");
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} else if (audioFocusRequestCompat != null) {
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return Build.VERSION.SDK_INT >= 26 ? audioManager.requestAudioFocus(audioFocusRequestCompat.getAudioFocusRequest()) : audioManager.requestAudioFocus(audioFocusRequestCompat.getOnAudioFocusChangeListener(), audioFocusRequestCompat.getAudioAttributesCompat().getLegacyStreamType(), audioFocusRequestCompat.getFocusGain());
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} else {
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throw new IllegalArgumentException("AudioFocusRequestCompat must not be null");
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}
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}
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}
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