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media volume --get outputs the current volume

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Add --get option to media volume to fetch the specified
stream volume and output it on the console.
Also displays the min and max volume for that stream.

Bug: 33559057
Test: adb shell media volume --stream 3 --get
Change-Id: Icc82ba1349dd75e07ccff4872e104843a69e5f17
This commit is contained in:
Frank Barchard
2016-12-19 17:22:00 -08:00
parent 4ae5441abd
commit f41d429ce7
1 changed files with 15 additions and 7 deletions
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22
cmds/media/src/com/android/commands/media/VolumeCtrl.java
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@@ -40,20 +40,24 @@ public class VolumeCtrl {
private final static String TAG = "VolumeCtrl";
// --stream affects --index, --adj or --get options.
// --show affects --index and --adj options.
public final static String USAGE = new String(
"the options are as follows: \n" +
"\t\t--stream STREAM selects the stream to control, see AudioManager.STREAM_*\n" +
"\t\t controls AudioManager.STREAM_MUSIC if no stream is specified\n"+
"\t\t--index INDEX sets the volume index value\n" +
"\t\t--adj DIRECTION adjusts the volume, use raise|same|lower for the direction\n" +
"\t\t--show shows the UI during the volume change \n" +
"\t\t--get outputs the current volume\n" +
"\t\t--show shows the UI during the volume change\n" +
"\texamples:\n" +
"\t\tadb shell media volume --show --stream 3 --index 11 \n" +
"\t\tadb shell media volume --stream 0 --adj lower \n"
"\t\tadb shell media volume --show --stream 3 --index 11\n" +
"\t\tadb shell media volume --stream 0 --adj lower\n"
);
private final static int VOLUME_CONTROL_MODE_SET = 0;
private final static int VOLUME_CONTROL_MODE_ADJUST = 1;
private final static int VOLUME_CONTROL_MODE_GET = 2;
private final static String ADJUST_LOWER = "lower";
private final static String ADJUST_SAME = "same";
@@ -81,9 +85,9 @@ public class VolumeCtrl {
mode = VOLUME_CONTROL_MODE_SET;
log(LOG_V, "will set volume");
break;
case "--adjust":
mode = VOLUME_CONTROL_MODE_ADJUST;
log(LOG_V, "will adjust volume");
case "--get":
mode = VOLUME_CONTROL_MODE_GET;
log(LOG_V, "will get volume");
break;
case "--stream":
stream = Integer.decode(cmd.nextArgRequired()).intValue();
@@ -149,7 +153,11 @@ public class VolumeCtrl {
// Non-interactive test
final int flag = showUi? AudioManager.FLAG_SHOW_UI : 0;
final String pack = cmd.getClass().getPackage().getName();
if (mode == VOLUME_CONTROL_MODE_SET) {
if (mode == VOLUME_CONTROL_MODE_GET) {
log(LOG_V, "volume is " + audioService.getStreamVolume(stream) +
" in range [" + audioService.getStreamMinVolume(stream) +
".." + audioService.getStreamMaxVolume(stream) + "]");
} else if (mode == VOLUME_CONTROL_MODE_SET) {
audioService.setStreamVolume(stream, volIndex, flag, pack/*callingPackage*/);
} else if (mode == VOLUME_CONTROL_MODE_ADJUST) {
audioService.adjustStreamVolume(stream, adjDir, flag, pack);