libgdx使用了全屏模式之后,在某些機型會出現崩潰的情況,兩年前就存在了,一直到現在為止,官方都沒進行修復,其崩潰原因就是在源碼AndroidGraphics.java中的onPause可以看到這樣子的一段代碼:
void pause () { synchronized (synch) { if (!running) return; running = false; pause = true; while (pause) { try { // TODO: fix deadlock race condition with quick resume/pause. // Temporary workaround: // Android ANR time is 5 seconds, so wait up to 4 seconds before assuming // deadlock and killing process. This can easily be triggered by opening the // Recent Apps list and then double-tapping the Recent Apps button with // ~500ms between taps. synch.wait(4000); if (pause) { // pause will never go false if onDrawFrame is never called by the GLThread // when entering this method, we MUST enforce continuous rendering Gdx.app.error(LOG_TAG, "waiting for pause synchronization took too long; assuming deadlock and killing"); android.os.Process.killProcess(android.os.Process.myPid()); } } catch (InterruptedException ignored) { Gdx.app.log(LOG_TAG, "waiting for pause synchronization failed!"); } } } }
崩潰的提示就是在這個方法中進行拋出的,解決方法就是,不讓他拋出這個錯誤,就是在try里面把pause改為false,目前的解決方法是這樣子,靜候官方的修復了,自定義一個類,例如我用的是AndroidFragmentApplication,我自定義一個PatchedAndroidFragmentApplication,在onPause之后利用線程延遲100毫秒,執行一個onDrawFrame,使得pause為false即可:
open class PatchedAndroidFragmentApplication : AndroidFragmentApplication() { private val exec = Executors.newSingleThreadExecutor() private val forcePause = Runnable { try { Thread.sleep(100) } catch (e: InterruptedException) { } graphics.onDrawFrame(null) } override fun onPause() { if (activity!!.window.attributes.flags and WindowManager.LayoutParams.FLAG_FULLSCREEN == WindowManager.LayoutParams.FLAG_FULLSCREEN) { // 是全屏 exec.submit(forcePause) } super.onPause() }}
然后你的Fragment就繼承這個自定義的類就行。
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