nexus-5x | 易学教程

Cannot get Camera2 API touch to focus to work

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问题 I'm unable to get the touch to focus to work properly on Camera2 API. On touching I just seem to focus for a second and then it becomes extremely blurred. The phone is a Nexus 5X. Here is my code for touch to focus. private void refocus(MotionEvent event, View view){ //Handler for autofocus callback CameraCaptureSession.CaptureCallback captureCallbackHandler = new CameraCaptureSession.CaptureCallback() { @Override public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest

Emulator: cannot find ram.img on ubuntu

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问题 I simply set up a Nexus 5x device with API 27 in the default emulator in Android Studio 3.5. When I was trying to boot the device, the device just closed after the first 'Google' sign. The event log there's the following output: Emulator: statvfs('/home/qiufeng/.android/avd/Nexus_5X_API_27.avd/snapshots/default_boot/ram.img') failed: No such file or directory Emulator: Process finished with exit code 139 (interrupted by signal 11: SIGSEGV) However, the ram.img exists. I also changed the

Emulator: cannot find ram.img on ubuntu

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I simply set up a Nexus 5x device with API 27 in the default emulator in Android Studio 3.5. When I was trying to boot the device, the device just closed after the first 'Google' sign. The event log there's the following output: Emulator: statvfs('/home/qiufeng/.android/avd/Nexus_5X_API_27.avd/snapshots/default_boot/ram.img') failed: No such file or directory Emulator: Process finished with exit code 139 (interrupted by signal 11: SIGSEGV) However, the ram.img exists. I also changed the permission of the whole directory and files and It didn't work. I've tried cold booting it... And that broke

Activity class does not exist (Error type 3)

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I have a device nexus5x with android O and i develop an app in my laptop and also in another computer. But when i want to start the app in another computer after i have started it in my laptop i always get error described below. Error while executing: am start -n "com.safetylink.android.safetylinkheartbeatapp/com.application.aware.safetylink.auth.SplashScreenActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.safetylink.android.safetylinkheartbeatapp/com.application.aware

Activity class does not exist (Error type 3)

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问题 I have a device nexus5x with android O and i develop an app in my laptop and also in another computer. But when i want to start the app in another computer after i have started it in my laptop i always get error described below. Error while executing: am start -n "com.safetylink.android.safetylinkheartbeatapp/com.application.aware.safetylink.auth.SplashScreenActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER Starting: Intent { act=android.intent.action.MAIN cat=