/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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 com.android.settings;
import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
import android.app.ActivityManagerNative;
import android.app.Dialog;
import android.app.AlertDialog;
import android.app.admin.DevicePolicyManager;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.media.AudioManager;
import android.hardware.display.DisplayManager;
import android.hardware.display.WifiDisplay;
import android.hardware.display.WifiDisplayStatus;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.RemoteException;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.util.AttributeSet;
import android.util.Log;
import com.android.internal.view.RotationPolicy;
import com.android.settings.DreamSettings;
import android.os.PowerManager;
import android.view.DisplayManagerAw;
import android.view.DispList;
import java.util.ArrayList;
import java.util.HashMap;
public class DisplaySettings extends SettingsPreferenceFragment implements
Preference.OnPreferenceChangeListener, OnPreferenceClickListener {
private static final String TAG = "DisplaySettings";
/** If there is no setting in the provider, use this. */
private static final int FALLBACK_SCREEN_TIMEOUT_VALUE = 30000;
private static final int FALLBACK_DISPLAY_MODE_TIMEOUT = 10;
private static final String DISPLAY_MODE_AUTO_KEY = "display_mode_auto";
private static final String KEY_SCREEN_TIMEOUT = "screen_timeout";
private static final String KEY_ACCELEROMETER = "accelerometer";
private static final String KEY_FONT_SIZE = "font_size";
private static final String KEY_NOTIFICATION_PULSE = "notification_pulse";
private static final String KEY_SCREEN_SAVER = "screensaver";
private static final String KEY_ACCELEROMETER_COORDINATE = "accelerometer_coornadite";
private static final String KEY_SMART_BRIGHTNESS = "smart_brightness";
private static final String KEY_SMART_BRIGHTNESS_PREVIEW = "key_smart_brightness_preview";
private static final String KEY_WIFI_DISPLAY = "wifi_display";
private static final String KEY_TV_OUTPUT_MODE = "display_output_mode";
private static final int DLG_GLOBAL_CHANGE_WARNING = 1;
private DisplayManager mDisplayManager;
private CheckBoxPreference mAccelerometer;
private WarnedListPreference mFontSizePref;
private CheckBoxPreference mNotificationPulse;
/*显示输出模式*/
private ListPreference mOutputMode;
private ArrayList<DispList.DispFormat> mOutputModeItems;
private final Configuration mCurConfig = new Configuration();
private ListPreference mScreenTimeoutPreference;
private Preference mScreenSaverPreference;
private ListPreference mAccelerometerCoordinate;
private CheckBoxPreference mSmartBrightness;
private CheckBoxPreference mSmartBrightnessPreview;
private WifiDisplayStatus mWifiDisplayStatus;
private Preference mWifiDisplayPreference;
private final RotationPolicy.RotationPolicyListener mRotationPolicyListener =
new RotationPolicy.RotationPolicyListener() {
@Override
public void onChange() {
updateAccelerometerRotationCheckbox();
}
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ContentResolver resolver = getActivity().getContentResolver();
addPreferencesFromResource(R.xml.display_settings);
mAccelerometer = (CheckBoxPreference) findPreference(KEY_ACCELEROMETER);
mAccelerometer.setPersistent(false);
if (RotationPolicy.isRotationLockToggleSupported(getActivity())) {
// If rotation lock is supported, then we do not provide this option in
// Display settings. However, is still available in Accessibility settings.
getPreferenceScreen().removePreference(mAccelerometer);
}
mScreenSaverPreference = findPreference(KEY_SCREEN_SAVER);
if (mScreenSaverPreference != null
&& getResources().getBoolean(
com.android.internal.R.bool.config_dreamsSupported) == false) {
getPreferenceScreen().removePreference(mScreenSaverPreference);
}
mScreenTimeoutPreference = (ListPreference) findPreference(KEY_SCREEN_TIMEOUT);
final long currentTimeout = Settings.System.getLong(resolver, SCREEN_OFF_TIMEOUT,
FALLBACK_SCREEN_TIMEOUT_VALUE);
mScreenTimeoutPreference.setValue(String.valueOf(currentTimeout));
mScreenTimeoutPreference.setOnPreferenceChangeListener(this);
disableUnusableTimeouts(mScreenTimeoutPreference);
updateTimeoutPreferenceDescription(currentTimeout);
mFontSizePref = (WarnedListPreference) findPreference(KEY_FONT_SIZE);
mFontSizePref.setOnPreferenceChangeListener(this);
mFontSizePref.setOnPreferenceClickListener(this);
mNotificationPulse = (CheckBoxPreference) findPreference(KEY_NOTIFICATION_PULSE);
if (mNotificationPulse != null
&& getResources().getBoolean(
com.android.internal.R.bool.config_intrusiveNotificationLed) == false) {
getPreferenceScreen().removePreference(mNotificationPulse);
} else {
try {
mNotificationPulse.setChecked(Settings.System.getInt(resolver,
Settings.System.NOTIFICATION_LIGHT_PULSE) == 1);
mNotificationPulse.setOnPreferenceChangeListener(this);
} catch (SettingNotFoundException snfe) {
Log.e(TAG, Settings.System.NOTIFICATION_LIGHT_PULSE + " not found");
}
}
mAccelerometerCoordinate = (ListPreference) findPreference(KEY_ACCELEROMETER_COORDINATE);
if(mAccelerometerCoordinate != null)
{
mAccelerometerCoordinate.setOnPreferenceChangeListener(this);
String value = Settings.System.getString(getContentResolver(),
Settings.System.ACCELEROMETER_COORDINATE);
if ( value == null )
{
value = "default";
}
mAccelerometerCoordinate.setValue(value);
updateAccelerometerCoordinateSummary(value);
}
mSmartBrightnessPreview = new CheckBoxPreference(this.getActivity());
mSmartBrightnessPreview.setTitle(R.string.smart_brightness_preview);
mSmartBrightnessPreview.setKey(KEY_SMART_BRIGHTNESS_PREVIEW);
mSmartBrightness = (CheckBoxPreference)findPreference(KEY_SMART_BRIGHTNESS);
mSmartBrightness.setOnPreferenceChangeListener(this);
if(!getResources().getBoolean(R.bool.has_smart_brightness))
{
getPreferenceScreen().removePreference(mSmartBrightness);
}
else
{
boolean enable = Settings.System.getInt(getContentResolver(),
Settings.System.SMART_BRIGHTNESS_ENABLE,0) != 0 ? true : false;
mSmartBrightness.setChecked(enable);
mSmartBrightnessPreview.setOnPreferenceChangeListener(this);
if(enable)
{
getPreferenceScreen().addPreference(mSmartBrightnessPreview);
}
}
mDisplayManager = (DisplayManager)getActivity().getSystemService(
Context.DISPLAY_SERVICE);
mWifiDisplayStatus = mDisplayManager.getWifiDisplayStatus();
mWifiDisplayPreference = (Preference)findPreference(KEY_WIFI_DISPLAY);
if (mWifiDisplayStatus.getFeatureState()
== WifiDisplayStatus.FEATURE_STATE_UNAVAILABLE) {
getPreferenceScreen().removePreference(mWifiDisplayPreference);
mWifiDisplayPreference = null;
}
/* homlet 和 dongle上无休眠 */
getPreferenceScreen().removePreference(mScreenTimeoutPreference);
mOutputMode = (ListPreference) findPreference(KEY_TV_OUTPUT_MODE);
if (mOutputMode != null) {
mOutputMode.setOnPreferenceChangeListener(this);
setOutputMode(mOutputMode);
}
}
private void updateTimeoutPreferenceDescription(long currentTimeout) {
ListPreference preference = mScreenTimeoutPreference;
String summary;
if (currentTimeout < 0) {
// Unsupported value
summary = "";
} else {
final CharSequence[] entries = preference.getEntries();
final CharSequence[] values = preference.getEntryValues();
if (entries == null || entries.length == 0) {
summary = "";
} else {
int best = 0;
for (int i = 0; i < values.length; i++) {
long timeout = Long.parseLong(values[i].toString());
if (currentTimeout >= timeout) {
best = i;
}
}
summary = preference.getContext().getString(R.string.screen_timeout_summary,
entries[best]);
}
}
preference.setSummary(summary);
}
private void disableUnusableTimeouts(ListPreference screenTimeoutPreference) {
final DevicePolicyManager dpm =
(DevicePolicyManager) getActivity().getSystemService(
Context.DEVICE_POLICY_SERVICE);
final long maxTimeout = dpm != null ? dpm.getMaximumTimeToLock(null) : 0;
if (maxTimeout == 0) {
return; // policy not enforced
}
final CharSequence[] entries = screenTimeoutPreference.getEntries();
final CharSequence[] values = screenTimeoutPreference.getEntryValues();
ArrayList<CharSequence> revisedEntries = new ArrayList<CharSequence>();
ArrayList<CharSequence> revisedValues = new ArrayList<CharSequence>();
for (int i = 0; i < values.length; i++) {
long timeout = Long.parseLong(values[i].toString());
if (timeout <= maxTimeout) {
revisedEntries.add(entries[i]);
revisedValues.add(values[i]);
}
}
if (revisedEntries.size() != entries.length || revisedValues.size() != values.length) {
screenTimeoutPreference.setEntries(
revisedEntries.toArray(new CharSequence[revisedEntries.size()]));
screenTimeoutPreference.setEntryValues(
revisedValues.toArray(new CharSequence[revisedValues.size()]));
final int userPreference = Integer.parseInt(screenTimeoutPreference.getValue());
if (userPreference <= maxTimeout) {
screenTimeoutPreference.setValue(String.valueOf(userPreference));
} else {
// There will be no highlighted selection since nothing in the list matches
// maxTimeout. The user can still select anything less than maxTimeout.
// TODO: maybe append maxTimeout to the list and mark selected.
}
}
screenTimeoutPreference.setEnabled(revisedEntries.size() > 0);
}
int floatToIndex(float val) {
String[] indices = getResources().getStringArray(R.array.entryvalues_font_size);
float lastVal = Float.parseFloat(indices[0]);
for (int i=1; i<indices.length; i++) {
float thisVal = Float.parseFloat(indices[i]);
if (val < (lastVal + (thisVal-lastVal)*.5f)) {
return i-1;
}
lastVal = thisVal;
}
return indices.length-1;
}
public void readFontSizePreference(ListPreference pref) {
try {
mCurConfig.updateFrom(ActivityManagerNative.getDefault().getConfiguration());
//FIXME
//Description: Don't write the locale, the data would droped if the power down.
//Author: huanglong
mCurConfig.locale = null;
} catch (RemoteException e) {
Log.w(TAG, "Unable to retrieve font size");
}
// mark the appropriate item in the preferences list
int index = floatToIndex(mCurConfig.fontScale);
pref.setValueIndex(index);
// report the current size in the summary text
final Resources res = getResources();
String[] fontSizeNames = res.getStringArray(R.array.entries_font_size);
pref.setSummary(String.format(res.getString(R.string.summary_font_size),
fontSizeNames[index]));
}
@Override
public void onResume() {
super.onResume();
RotationPolicy.registerRotationPolicyListener(getActivity(),
mRotationPolicyListener);
if (mWifiDisplayPreference != null) {
getActivity().registerReceiver(mReceiver, new IntentFilter(
DisplayManager.ACTION_WIFI_DISPLAY_STATUS_CHANGED));
mWifiDisplayStatus = mDisplayManager.getWifiDisplayStatus();
}
updateState();
}
@Override
public void onPause() {
super.onPause();
RotationPolicy.unregisterRotationPolicyListener(getActivity(),
mRotationPolicyListener);
if (mWifiDisplayPreference != null) {
getActivity().unregisterReceiver(mReceiver);
}
}
@Override
public Dialog onCreateDialog(int dialogId) {
if (dialogId == DLG_GLOBAL_CHANGE_WARNING) {
return Utils.buildGlobalChangeWarningDialog(getActivity(),
R.string.global_font_change_title,
new Runnable() {
public void run() {
mFontSizePref.click();
}
});
}
return null;
}
private void updateState() {
updateAccelerometerRotationCheckbox();
readFontSizePreference(mFontSizePref);
updateScreenSaverSummary();
updateWifiDisplaySummary();
if(mAccelerometerCoordinate != null)
{
updateAccelerometerCoordinateSummary(mAccelerometerCoordinate.getValue());
}
}
private void updateScreenSaverSummary() {
if (mScreenSaverPreference != null) {
mScreenSaverPreference.setSummary(
DreamSettings.getSummaryTextWithDreamName(getActivity()));
}
}
private void updateWifiDisplaySummary() {
if (mWifiDisplayPreference != null) {
switch (mWifiDisplayStatus.getFeatureState()) {
case WifiDisplayStatus.FEATURE_STATE_OFF:
mWifiDisplayPreference.setSummary(R.string.wifi_display_summary_off);
break;
case WifiDisplayStatus.FEATURE_STATE_ON:
mWifiDisplayPreference.setSummary(R.string.wifi_display_summary_on);
break;
case WifiDisplayStatus.FEATURE_STATE_DISABLED:
default:
mWifiDisplayPreference.setSummary(R.string.wifi_display_summary_disabled);
break;
}
}
}
private void updateAccelerometerRotationCheckbox() {
if (getActivity() == null) return;
mAccelerometer.setChecked(!RotationPolicy.isRotationLocked(getActivity()));
}
private void updateAccelerometerCoordinateSummary(Object value)
{
CharSequence[] summaries = getResources().getTextArray(R.array.accelerometer_summaries);
CharSequence[] values = mAccelerometerCoordinate.getEntryValues();
for (int i=0; i<values.length; i++)
{
if (values[i].equals(value))
{
mAccelerometerCoordinate.setSummary(summaries[i]);
break;
}
}
}
public void writeFontSizePreference(Object objValue) {
try {
mCurConfig.fontScale = Float.parseFloat(objValue.toString());
ActivityManagerNative.getDefault().updatePersistentConfiguration(mCurConfig);
} catch (RemoteException e) {
Log.w(TAG, "Unable to save font size");
}
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
if (preference == mAccelerometer) {
RotationPolicy.setRotationLockForAccessibility(
getActivity(), !mAccelerometer.isChecked());
} else if (preference == mNotificationPulse) {
boolean value = mNotificationPulse.isChecked();
Settings.System.putInt(getContentResolver(), Settings.System.NOTIFICATION_LIGHT_PULSE,
value ? 1 : 0);
return true;
}
return super.onPreferenceTreeClick(preferenceScreen, preference);
}
public boolean onPreferenceChange(Preference preference, Object objValue) {
final String key = preference.getKey();
if (KEY_SCREEN_TIMEOUT.equals(key)) {
int value = Integer.parseInt((String) objValue);
try {
Settings.System.putInt(getContentResolver(), SCREEN_OFF_TIMEOUT, value);
updateTimeoutPreferenceDescription(value);
} catch (NumberFormatException e) {
Log.e(TAG, "could not persist screen timeout setting", e);
}
}
if (KEY_FONT_SIZE.equals(key)) {
writeFontSizePreference(objValue);
}
if (KEY_ACCELEROMETER_COORDINATE.equals(key))
{
String value = String.valueOf(objValue);
try
{
Settings.System.putString(getContentResolver(),
Settings.System.ACCELEROMETER_COORDINATE, value);
updateAccelerometerCoordinateSummary(objValue);
}
catch (NumberFormatException e)
{
Log.e(TAG, "could not persist key accelerometer coordinate setting", e);
}
}
if (KEY_SMART_BRIGHTNESS.equals(key))
{
int value = (Boolean)objValue == true ? 1 : 0;
Settings.System.putInt(getContentResolver(),
Settings.System.SMART_BRIGHTNESS_ENABLE, value);
PowerManager pm = (PowerManager)getSystemService(Context.POWER_SERVICE);
// pm.setWiseBacklightMode(value);
if((Boolean)objValue)
{
getPreferenceScreen().addPreference(mSmartBrightnessPreview);
}
else
{
getPreferenceScreen().removePreference(mSmartBrightnessPreview);
mSmartBrightnessPreview.setChecked(false);
}
}
if(KEY_TV_OUTPUT_MODE.equals(key)){
int value = Integer.parseInt((String) objValue);
if (value > mOutputModeItems.size()) {
return false;
} else if (value == -1) {
DisplayManagerAw displayManager = (DisplayManagerAw) getSystemService(Context.DISPLAY_SERVICE_AW);
ArrayList<DispList.DispFormat> items = DispList.getDispList();
for (int i = 0; i < items.size(); i++) {
DispList.DispFormat finalFormat = items.get(i);
boolean isSupport = (displayManager
.isSupportHdmiMode(finalFormat.mFormat) != 0);
if (isSupport) {
switchDispMode(finalFormat);
}
}
Settings.System.putInt(getContentResolver(), DISPLAY_MODE_AUTO_KEY, 1);
mOutputMode.setValue(String.valueOf(-1));
return false;
} else {
Settings.System.putInt(getContentResolver(), DISPLAY_MODE_AUTO_KEY, 0);
}
//save the old value
final int oldValue = Integer.parseInt(mOutputMode.getValue());
DispList.DispFormat item = null;
item = mOutputModeItems.get(value);
switchDispMode(item);
String databaseValue = DispList.ItemCode2Name(item);
Log.d(TAG,"out put mode save value = " + databaseValue);
Settings.System.putString(getContentResolver(),
Settings.System.DISPLY_OUTPUT_FORMAT, databaseValue);
OnClickListener listener = new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int btn) {
if (btn == AlertDialog.BUTTON_POSITIVE) {
} else if (btn == AlertDialog.BUTTON_NEGATIVE) {
DispList.DispFormat item = null;
if (oldValue == -1) {
DisplayManagerAw displayManager = (DisplayManagerAw) getSystemService(Context.DISPLAY_SERVICE_AW);
ArrayList<DispList.DispFormat> items = DispList
.getDispList();
for (int i = 0; i < items.size(); i++) {
DispList.DispFormat finalFormat = items.get(i);
boolean isSupport = (displayManager
.isSupportHdmiMode(finalFormat.mFormat) != 0);
if (isSupport) {
switchDispMode(finalFormat);
}
}
Settings.System.putInt(getContentResolver(),
DISPLAY_MODE_AUTO_KEY, 1);
mOutputMode.setValue(String.valueOf(-1));
} else {
item = mOutputModeItems.get(oldValue);
switchDispMode(item);
String databaseValue = DispList.ItemCode2Name(item);
Log.d(TAG, "out put mode save value = "
+ databaseValue);
Settings.System.putString(getContentResolver(),
Settings.System.DISPLY_OUTPUT_FORMAT,
databaseValue);
mOutputMode.setValue(Integer.toString(oldValue));
}
}
}
};
String str = getString(com.android.settings.R.string.display_mode_time_out_desc);
final AlertDialog dialog = new AlertDialog.Builder(this.getActivity())
.setTitle(com.android.settings.R.string.display_mode_time_out_title)
.setMessage(String.format(str, Integer.toString(FALLBACK_DISPLAY_MODE_TIMEOUT)))
.setPositiveButton(com.android.internal.R.string.ok, listener)
.setNegativeButton(com.android.internal.R.string.cancel, listener)
.create();
dialog.show();
new AsyncTask(){
@Override
protected Object doInBackground(Object... arg0) {
int time = FALLBACK_DISPLAY_MODE_TIMEOUT;
while(time >= 0 && dialog.isShowing()){
publishProgress(time);
try{
Thread.sleep(1000);
}catch(Exception e){}
time--;
}
return null;
}
@Override
protected void onPostExecute(Object result) {
super.onPostExecute(result);
if (dialog.isShowing()) {
DispList.DispFormat item = null;
if (oldValue == -1) {
DisplayManagerAw displayManager = (DisplayManagerAw) getSystemService(Context.DISPLAY_SERVICE_AW);
ArrayList<DispList.DispFormat> items = DispList
.getDispList();
for (int i = 0; i < items.size(); i++) {
DispList.DispFormat finalFormat = items.get(i);
boolean isSupport = (displayManager
.isSupportHdmiMode(finalFormat.mFormat) != 0);
if (isSupport) {
switchDispMode(finalFormat);
}
}
Settings.System.putInt(getContentResolver(),
DISPLAY_MODE_AUTO_KEY, 1);
mOutputMode.setValue(String.valueOf(-1));
} else {
item = mOutputModeItems.get(oldValue);
switchDispMode(item);
String databaseValue = DispList.ItemCode2Name(item);
Log.d(TAG, "out put mode save value = "
+ databaseValue);
Settings.System.putString(getContentResolver(),
Settings.System.DISPLY_OUTPUT_FORMAT,
databaseValue);
mOutputMode.setValue(Integer.toString(oldValue));
}
dialog.dismiss();
}
}
@Override
protected void onProgressUpdate(Object... values) {
super.onProgressUpdate(values);
int time = (Integer)values[0];
String str = getString(com.android.settings.R.string.display_mode_time_out_desc);
dialog.setMessage(String.format(str, Integer.toString(time)));
}
}.execute();
}
return true;
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(DisplayManager.ACTION_WIFI_DISPLAY_STATUS_CHANGED)) {
mWifiDisplayStatus = (WifiDisplayStatus)intent.getParcelableExtra(
DisplayManager.EXTRA_WIFI_DISPLAY_STATUS);
updateWifiDisplaySummary();
}
}
};
@Override
public boolean onPreferenceClick(Preference preference) {
if (preference == mFontSizePref) {
if (Utils.hasMultipleUsers(getActivity())) {
showDialog(DLG_GLOBAL_CHANGE_WARNING);
return true;
} else {
mFontSizePref.click();
}
}
return false;
}
private void setOutputMode(ListPreference preference){
ArrayList<DispList.DispFormat> items = DispList.getDispList();
mOutputModeItems = items;
HashMap<DispList.DispFormat,Integer> strMap = DispList.getItemStringIdList();
String databaseValue = Settings.System.getString(getContentResolver(),
Settings.System.DISPLY_OUTPUT_FORMAT);
int autotag = 0;
int size = items.size() + autotag;
CharSequence[] entries = new CharSequence[size];
CharSequence[] entryValues = new CharSequence[size];
for (int i = 0; i < size; i++) {
if (i == 0 && autotag == 1) {
entries[i] = getResources().getText(
R.string.display_mode_auto_detect);
entryValues[i] = String.valueOf(-1);
continue;
}
entries[i] = getResources().getString(strMap.get(items.get(i - autotag)));
entryValues[i] = String.valueOf(i - autotag);
if (DispList.ItemName2Code(databaseValue).equals(items.get(i - autotag))) {
preference.setValue(String.valueOf(i - autotag));
}
}
preference.setEntries(entries);
preference.setEntryValues(entryValues);
int autoDetect = Settings.System.getInt(getContentResolver(), DISPLAY_MODE_AUTO_KEY,0);
if(autoDetect == 1){
preference.setValue(String.valueOf(-1));
}
}
/**
* 根据指定输出模式，设置显示输出模式
*
* @param item
* 指定的显示输出模式对象
*/
private void switchDispMode(DispList.DispFormat item) {
DisplayManagerAw displayManager = (DisplayManagerAw) getSystemService(Context.DISPLAY_SERVICE_AW);
if (item == null) {
return;
}
if (displayManager.getDisplayOutputType(0) != item.mOutputType
|| displayManager.getDisplayOutputFormat(0) != item.mFormat) {
// displayManager.setDisplayOutputType(0, item.mOutputType,
// item.mFormat);
displayManager.setDisplayParameter(0, item.mOutputType,
item.mFormat);
displayManager
.setDisplayMode(DisplayManagerAw.DISPLAY_MODE_SINGLE_FB_GPU);
// 设置音频输出模式
AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
if (audioManager == null) {
Log.w(TAG, "audioManager is null");
return;
}
ArrayList<String> audioOutputChannels = audioManager
.getActiveAudioDevices(AudioManager.AUDIO_OUTPUT_ACTIVE);
if (item.mOutputType == DisplayManagerAw.DISPLAY_OUTPUT_TYPE_HDMI
&& !audioOutputChannels.contains(AudioManager.AUDIO_NAME_HDMI)) {
audioOutputChannels.clear();
audioOutputChannels.add(AudioManager.AUDIO_NAME_HDMI);
audioManager.setAudioDeviceActive(audioOutputChannels,AudioManager.AUDIO_OUTPUT_ACTIVE);
} else if ((item.mOutputType == DisplayManagerAw.DISPLAY_OUTPUT_TYPE_TV || item.mOutputType == DisplayManagerAw.DISPLAY_OUTPUT_TYPE_VGA)
&& !audioOutputChannels.contains(AudioManager.AUDIO_NAME_CODEC)) {
audioOutputChannels.clear();
audioOutputChannels.add(AudioManager.AUDIO_NAME_CODEC);
audioManager.setAudioDeviceActive(audioOutputChannels,AudioManager.AUDIO_OUTPUT_ACTIVE);
}
}
}
}