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Add developer setting for changing the current USB configuration

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This can be useful for testing the audio source kernel driver,
reverse tethering over RNDIS, etc.

Change-Id: I7392f95545cf5ae8a36b4b7b0d37f003df7e70b2
This commit is contained in:
Mike Lockwood
2014-09-22 12:15:24 -07:00
parent 87a092d965
commit 3f6ef34b35
4 changed files with 90 additions and 0 deletions
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54
src/com/android/settings/DevelopmentSettings.java
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@@ -23,15 +23,18 @@ import android.app.Dialog;
import android.app.admin.DevicePolicyManager;
import android.app.backup.IBackupManager;
import android.bluetooth.BluetoothAdapter;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.hardware.usb.IUsbManager;
import android.hardware.usb.UsbManager;
import android.net.wifi.WifiManager;
import android.os.AsyncTask;
import android.os.BatteryManager;
@@ -142,6 +145,8 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
private static final String SELECT_LOGD_SIZE_KEY = "select_logd_size";
private static final String SELECT_LOGD_SIZE_PROPERTY = "persist.logd.size";
private static final String SELECT_LOGD_DEFAULT_SIZE_PROPERTY = "ro.logd.size";
private static final String USB_CONFIGURATION_KEY = "select_usb_configuration";
private static final String SELECT_USB_CONFIGURATION_PROPERTY = "sys.usb.config";
private static final String OPENGL_TRACES_KEY = "enable_opengl_traces";
@@ -211,6 +216,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
private CheckBoxPreference mForceRtlLayout;
private ListPreference mDebugHwOverdraw;
private ListPreference mLogdSize;
private ListPreference mUsbConfiguration;
private ListPreference mTrackFrameTime;
private ListPreference mShowNonRectClip;
private ListPreference mWindowAnimationScale;
@@ -335,6 +341,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
mWifiAggressiveHandover = findAndInitCheckboxPref(WIFI_AGGRESSIVE_HANDOVER_KEY);
mWifiAllowScansWithTraffic = findAndInitCheckboxPref(WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY);
mLogdSize = addListPreference(SELECT_LOGD_SIZE_KEY);
mUsbConfiguration = addListPreference(USB_CONFIGURATION_KEY);
mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);
mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
@@ -480,6 +487,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
}
mSwitchBar.removeOnSwitchChangeListener(this);
mSwitchBar.hide();
getActivity().unregisterReceiver(mUsbReceiver);
}
void updateCheckBox(CheckBoxPreference checkBox, boolean value) {
@@ -1120,6 +1128,42 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
updateLogdSizeValues();
}
private void updateUsbConfigurationValues() {
if (mUsbConfiguration != null) {
String currentValue = SystemProperties.get(SELECT_USB_CONFIGURATION_PROPERTY);
// Ignore adb interface. The USB Manager adds or removes adb automatically
// depending on if USB debugging is enabled.
int adbIndex = currentValue.indexOf(",adb");
if (adbIndex > 0) {
currentValue = currentValue.substring(0, adbIndex);
}
String[] values = getResources().getStringArray(R.array.usb_configuration_values);
String[] titles = getResources().getStringArray(R.array.usb_configuration_titles);
int index = 1; // punt to second entry if not found
for (int i = 0; i < titles.length; i++) {
if (currentValue.equals(values[i])) {
index = i;
break;
}
}
if (index >= 0) {
mUsbConfiguration.setValue(values[index]);
mUsbConfiguration.setSummary(titles[index]);
} else {
mUsbConfiguration.setValue("");
mUsbConfiguration.setSummary("");
}
mUsbConfiguration.setOnPreferenceChangeListener(this);
}
}
private void writeUsbConfigurationOption(Object newValue) {
UsbManager manager = (UsbManager)getActivity().getSystemService(Context.USB_SERVICE);
manager.setCurrentFunction(newValue.toString(), false);
}
private void updateCpuUsageOptions() {
updateCheckBox(mShowCpuUsage, Settings.Global.getInt(getActivity().getContentResolver(),
Settings.Global.SHOW_PROCESSES, 0) != 0);
@@ -1437,6 +1481,9 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
} else if (preference == mLogdSize) {
writeLogdSizeOption(newValue);
return true;
} else if (preference == mUsbConfiguration) {
writeUsbConfigurationOption(newValue);
return true;
} else if (preference == mWindowAnimationScale) {
writeAnimationScaleOption(0, mWindowAnimationScale, newValue);
return true;
@@ -1551,6 +1598,13 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
}
}
private BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
updateUsbConfigurationValues();
}
};
static class SystemPropPoker extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... params) {