平时将android系统的system volume调为0时,常常会发现其他几个种类的也会跟着mute,不能说是将其他的streamtype也调为0,因为当system volume大于0时,其他几个相关的volume value又恢复了,说明其他几个Stream只是被Mute住了,所以要增加或者取消这种Mute相关性,比如,现在StreamType=STREAM_SYSTEM,对应volume调为0时,这是...
_SYSTEM_ENFORCED, // STREAM_SYSTEM_ENFORCED 4.请使用如下语句来打开或者关闭拍照音: 1)获取AudioManager AudioManager mAM; mAM = (AudioManager)getSystemService(Context.AUDIO_SERVICE); 2)打开拍照音: mAM.setStreamMute(AudioManager.STREAM_SYSTEM_ENFORCED, false); 3)关闭拍照音: mAM.setStreamMute(AudioManager...
AAudioStreamBuilder_setDeviceId(builder, deviceId);AAudioStreamBuilder_setDirection(builder, direction);AAudioStreamBuilder_setSharingMode(builder, mode);AAudioStreamBuilder_setSampleRate(builder, sampleRate);AAudioStreamBuilder_setChannelCount(builder, channelCount);AAudioStreamBuilder_setFormat(builder, format...
MediaPlayer* mp =newMediaPlayer();// 从这里我们可以知道,是STREAM_SYSTEM_ENFORCED类型的audio_devices_tdevice = AudioSystem::getDevicesForStream(AUDIO_STREAM_ENFORCED_AUDIBLE);if(mp->setDataSource(NULL, fileName,NULL) == NO_ERROR) { mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE/*AudioSy...
[Android.Runtime.Register("android/system/OsConstants", DoNotGenerateAcw=true)] public sealed class OsConstants : Java.Lang.Object继承 Object Object OsConstants 属性 RegisterAttribute 注解常量和帮助程序函数用于 Os. 适用于 . 的 android.system.OsConstantsJava 文档本...
Stream=newFileInputStream(fileA);fileOutputStream=newFileOutputStream(fileB);// 创建缓存流bufferedInputStream=newBufferedInputStream(fileInputStream,bufferedSize);bufferedOutputStream=newBufferedOutputStream(fileOutputStream,bufferedSize);byte[]buffer=newbyte[bufferedSize];inthasRead=0;longstartTime=System....
service zygote /system/bin/app_process64 -Xzygote /system/bin --zygote --start-system-server --socket-name=zygote class main priority -20 socket zygote stream 660 root system onrestart write /sys/android_power/request_state wake onrestart write /sys/power/state on ...
builder.setInputStream(in); // If you are using the AppGallery Connect plugin, delete this line. builder.setClientId("client_id"); builder.setClientSecret("client_secret"); builder.setApiKey("api_key"); builder.setCPId("cp_id"); builder.setProductId("product_id"); ...
Activities in the system are managed as activity stacks. When a new activity is started, it is usually placed on the top of the current stack and becomes the running activity -- the previous activity always remains below it in the stack, and will not come to the foreground again until the...
Prints this throwable and its backtrace to the specified print stream. (Inherited fromThrowable) PrintStackTrace(PrintWriter) Prints this throwable and its backtrace to the specified print writer. (Inherited fromThrowable) RethrowAsRuntimeException() ...