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Samsung system image for Android emulator?

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问题 Is there any way to get the Android emulator to run a system image other than vanilla Android? I'm developing an app that works fine on the emulator, a physical Huawei device and a physical Motorola device, but experiences some weird issues on a Samsung Galaxy S7. Since I don't have physical access to a Galaxy S7, is there any way to run an emulator that actually runs the Samsung official ROM? Note that I'm not talking about an emulator skin, I'm talking about the actual system image. 回答1:

Modifying in-call voice playback in Android custom ROM

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问题 I would like to modify Android OS (official image from AOSP) to add preprocessing to a normal phone call playback sound. I've already achieved this filtering for app audio playback (by modifying HAL and audioflinger ). I'm OK with targeting only a specific device (Nexus 5X). Also, I only need to filter playback - I don't care about recording (uplink). UPDATE #1: To make it clear - I'm OK with modifying Qualcomm-specific drivers, or whatever part that it is that runs on Nexus 5X and can help

Call recording - make it work on Nexus 5X (rooting or custom ROM possible)

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问题 I'm attempting to use AudioRecord with AudioSource.VOICE_DOWNLINK on Nexus 5X, Android 7.1 (my own build from AOSP). I'm already past the permissions stage - moved my APK to privileged apps, made an adjustment to AudioRecord in Android source to stop throwing an exception about this source. Now I'm getting empty recording buffers during a phone call. I know that there are a lot of call recording apps, and they work on other devices. I've also seen certain apps that can perform some hack on a

Call recording - make it work on Nexus 5X (rooting or custom ROM possible)

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I'm attempting to use AudioRecord with AudioSource.VOICE_DOWNLINK on Nexus 5X, Android 7.1 (my own build from AOSP). I'm already past the permissions stage - moved my APK to privileged apps, made an adjustment to AudioRecord in Android source to stop throwing an exception about this source. Now I'm getting empty recording buffers during a phone call. I know that there are a lot of call recording apps, and they work on other devices. I've also seen certain apps that can perform some hack on a rooted N5 and make it work. I wish to achieve the same on Nexus 5X - ANY adjustment is OK for me,