Android: VIVO手机setSpeakerphoneOn p无效，无法切换speaker的问题

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setSpeakerphoneOn 方法可以使语音和通话能够强制从手机的扬声器输出，不过在测试了众多手机在调用了这个API之后都可以，唯独有一款VIVO手机不可以：

.小米6X（9.0）
.Samsung s7e（7.0）
.Google piexl 2xl（10.0）
.诺基亚x7（9.0）
.华为nova3e（8.0）
.小米6（8.0）
.锤子T2（5.1.）
.HTC M8（6.0）
.小米4（4.4.）
.华硕zenfone3（8.0）
.Samsung note8（7.1.）
.LG G6（7.0）
.HTC M10（8.0）
.LG G5（7.0）
.一加5T（7.1.）
.华为荣耀v10（9.0）
.MEIZU Note2（5.1）
--》以上17款均pass
.vivo x20p（8.0）--》Fail

解决方法：

final static int FOR_MEDIA = 1;
final static int FORCE_NONE = 0;
final static int FORCE_SPEAKER = 1;
final static int FORCE_HEADPHONES = 2; public void switchSpeaker() {
if (RomUtil.isVivo()) {
Log.i(TAG, "switchSpeaker: This is vivo phone");
try {
Class audioSystemClass = Class.forName("android.media.AudioSystem");
Method setForceUse = audioSystemClass.getMethod("setForceUse", int.class, int.class);
setForceUse.invoke(null, FOR_MEDIA, FORCE_SPEAKER);
} catch (Exception e) {
e.printStackTrace();
}
} else {
Log.i(TAG, "switchSpeaker: others"); mAudioManager.setMicrophoneMute(false);
mAudioManager.setSpeakerphoneOn(true);//使用扬声器外放，即使已经插入耳机
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB){
mAudioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
} else {
mAudioManager.setMode(AudioManager.MODE_IN_CALL);
}
setVolumeControlStream(AudioManager.STREAM_MUSIC);
}
} public void switchHeadset() {
if (RomUtil.isVivo()) {
Log.i(TAG, "switchSpeaker: This is vivo phone");
try {
Class audioSystemClass = Class.forName("android.media.AudioSystem");
Method setForceUse = audioSystemClass.getMethod("setForceUse", int.class, int.class);
setForceUse.invoke(null, FOR_MEDIA, FORCE_HEADPHONES);
} catch (Exception e) {
e.printStackTrace();
}
} else {
Log.i(TAG, "switchSpeaker: others");
mAudioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
mAudioManager.stopBluetoothSco();
mAudioManager.setBluetoothScoOn(false);
mAudioManager.setSpeakerphoneOn(false);
}
}

RomUtil.java

package com.hxzk.som.base.utils;import android.os.Build;
import android.text.TextUtils;
import android.util.Log;import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;/**
* Created by HaiyuKing
* Used 判断手机ROM,检测ROM是MIUI、EMUI还是Flyme
* 参考资料：https://www.jianshu.com/p/ba9347a5a05a
*/
public class RomUtil {
private static final String TAG = "Rom"; public static final String ROM_MIUI = "MIUI";
public static final String ROM_EMUI = "EMUI";
public static final String ROM_FLYME = "FLYME";
public static final String ROM_OPPO = "OPPO";
public static final String ROM_SMARTISAN = "SMARTISAN";
public static final String ROM_VIVO = "VIVO";
public static final String ROM_QIKU = "QIKU"; private static final String KEY_VERSION_MIUI = "ro.miui.ui.version.name";
private static final String KEY_VERSION_EMUI = "ro.build.version.emui";
private static final String KEY_VERSION_OPPO = "ro.build.version.opporom";
private static final String KEY_VERSION_SMARTISAN = "ro.smartisan.version";
private static final String KEY_VERSION_VIVO = "ro.vivo.os.version"; private static String sName;
private static String sVersion; //华为
public static boolean isEmui() {
return check(ROM_EMUI);
}
//小米
public static boolean isMiui() {
return check(ROM_MIUI);
}
//vivo
public static boolean isVivo() {
return check(ROM_VIVO);
}
//oppo
public static boolean isOppo() {
return check(ROM_OPPO);
}
//魅族
public static boolean isFlyme() {
return check(ROM_FLYME);
}
//360手机
public static boolean is360() {
return check(ROM_QIKU) || check("360");
} public static boolean isSmartisan() {
return check(ROM_SMARTISAN);
} public static String getName() {
if (sName == null) {
check("");
}
return sName;
} public static String getVersion() {
if (sVersion == null) {
check("");
}
return sVersion;
} public static boolean check(String rom) {
if (sName != null) {
return sName.equals(rom);
} if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_MIUI))) {
sName = ROM_MIUI;
} else if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_EMUI))) {
sName = ROM_EMUI;
} else if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_OPPO))) {
sName = ROM_OPPO;
} else if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_VIVO))) {
sName = ROM_VIVO;
} else if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_SMARTISAN))) {
sName = ROM_SMARTISAN;
} else {
sVersion = Build.DISPLAY;
if (sVersion.toUpperCase().contains(ROM_FLYME)) {
sName = ROM_FLYME;
} else {
sVersion = Build.UNKNOWN;
sName = Build.MANUFACTURER.toUpperCase();
}
}
return sName.equals(rom);
} public static String getProp(String name) {
String line = null;
BufferedReader input = null;
try {
Process p = Runtime.getRuntime().exec("getprop " + name);
input = new BufferedReader(new InputStreamReader(p.getInputStream()), 1024);
line = input.readLine();
input.close();
} catch (IOException ex) {
Log.e(TAG, "Unable to read prop " + name, ex);
return null;
} finally {
if (input != null) {
try {
input.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return line;
}
}