Move workarounds to a separate class

Extract workarounds (currently only one) to a separate class to avoid
polluting the main code.
This commit is contained in:
Romain Vimont 2019-11-13 12:08:36 +01:00
parent 18f2e33a8b
commit 213c468c20
2 changed files with 22 additions and 10 deletions

View file

@ -8,7 +8,6 @@ import android.media.MediaCodecInfo;
import android.media.MediaFormat; import android.media.MediaFormat;
import android.os.Build; import android.os.Build;
import android.os.IBinder; import android.os.IBinder;
import android.os.Looper;
import android.view.Surface; import android.view.Surface;
import java.io.FileDescriptor; import java.io.FileDescriptor;
@ -53,15 +52,7 @@ public class ScreenEncoder implements Device.RotationListener {
} }
public void streamScreen(Device device, FileDescriptor fd) throws IOException { public void streamScreen(Device device, FileDescriptor fd) throws IOException {
// Some devices internally create a Handler when creating an input Surface, causing an exception: Workarounds.prepareMainLooper();
// "Can't create handler inside thread that has not called Looper.prepare()"
// <https://github.com/Genymobile/scrcpy/issues/240>
//
// Use Looper.prepareMainLooper() instead of Looper.prepare() to avoid a NullPointerException:
// "Attempt to read from field 'android.os.MessageQueue android.os.Looper.mQueue'
// on a null object reference"
// <https://github.com/Genymobile/scrcpy/issues/921>
Looper.prepareMainLooper();
MediaFormat format = createFormat(bitRate, maxFps, iFrameInterval); MediaFormat format = createFormat(bitRate, maxFps, iFrameInterval);
device.setRotationListener(this); device.setRotationListener(this);

View file

@ -0,0 +1,21 @@
package com.genymobile.scrcpy;
import android.os.Looper;
public final class Workarounds {
private Workarounds() {
// not instantiable
}
public static void prepareMainLooper() {
// Some devices internally create a Handler when creating an input Surface, causing an exception:
// "Can't create handler inside thread that has not called Looper.prepare()"
// <https://github.com/Genymobile/scrcpy/issues/240>
//
// Use Looper.prepareMainLooper() instead of Looper.prepare() to avoid a NullPointerException:
// "Attempt to read from field 'android.os.MessageQueue android.os.Looper.mQueue'
// on a null object reference"
// <https://github.com/Genymobile/scrcpy/issues/921>
Looper.prepareMainLooper();
}
}