我的问题是:
我使用finish()
关闭Activity,它转到onPause - > onStop - > onDestroy。接下来我打开应用程序,onCreate()
获取所有视图和context
的旧引用。
当我尝试显示简单的对话框时,它抛出:
“无法添加窗口 - 令牌android.os.BinderProxy@69a156a无效;您的活动是否正在运行?”
我也无法访问文本视图
progressText?.text = message
它得到旧参考 - 我使用clearFindViewByIdCache() - 但没有效果。
怎么了?
编辑
我尝试从DataSyncListener方法runOnUiThread操作视图
class MainActivity : AppCompatActivity(), DataSyncListener {
override fun onSuccess() {
runOnUiThread {
refreshLayout?.isRefreshing = false // it DO NOT works after reopen app,
syncProgressText?.visibility = View.GONE // it DO NOT works after reopen app,
}
}
override fun onFailure() {
runOnUiThread {
refreshLayout?.isRefreshing = false // it DO NOT works after reopen app,
syncProgressText?.visibility = View.GONE // it DO NOT works after reopen app,
}
}
override fun onError(message: String) {
Logger.d(message)
runOnUiThread {
refreshLayout?.isRefreshing = false // it DO NOT works after reopen app
syncProgressText?.visibility = View.GONE // it DO NOT works after reopen app
displayInfoAlertWithConfirm(this@MainActivity, message, DialogInterface.OnClickListener { _, _ -> // it DO NOT works after reopen app, throws Unable to add window
refreshLayout?.isRefreshing = true // it DO NOT works after reopen app
syncProgressText?.visibility = View.VISIBLE // it DO NOT works after reopen app
})
}
}
override fun onProgress(message: String) {
runOnUiThread {
syncProgressText?.text = message // it DO NOT works after reopen app
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
setSupportActionBar(toolbar)
refreshLayout.setOnRefreshListener({
// it DO NOT works after reopen app,
synchronizeData()
})
synchronizeData()
syncProgressText?.text = "test" // it works after reopen app
}
override fun onPostCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
super.onPostCreate(savedInstanceState, persistentState)
actionBarDrawerToggle?.syncState()
}
fun synchronizeData() {
refreshLayout?.isRefreshing = true
dataSynchronizer = DataSynchronizer.getInstance(application as MyApplication?, this)
dataSynchronizer?.startSync() // background featch data
syncProgressText?.visibility = View.VISIBLE // it DO NOT works after reopen app
}
override fun onDestroy() {
super.onDestroy()
dataSynchronizer?.stopSync() // kill background task
clearFindViewByIdCache() // no effect
}
}
Aaditi
FIXED - DataSynchronizer不是GC并保留旧引用
使用syncProgressText.setText(message),syncProgressText.text需要Editable,而不是String。
终于修好了。感谢@Viktor,在检查了我的DataSynchronizer.getInstance(应用程序为MyApplication?,这个)后,我意识到DataSynchronizer不是GC - 内存泄漏。所以它坚持旧的反思。现在它就像一个魅力。