我被困在我的应用程序中,因为我必须在kotlin中使用导航抽屉做片段..任何人都可以帮忙吗?我在网上搜索了很多东西,但我还没有找到任何东西......这里有两个我在主要活动中做的项目,我希望它也存在于片段中。
override fun onNavigationItemSelected(item: MenuItem): Boolean {
// Handle navigation view item clicks here.
when (item.itemId) {
R.id.home -> {
}
R.id.subjects -> {
val intent = Intent(this, SubjectsActivity::class.java)
startActivity(intent)
}
}
drawer_layout.closeDrawer(GravityCompat.START)
return true
}
你可以从这里下载源链接(Navigation Drawer In Android Kotlin)
我激活了。
class MainActivity : AppCompatActivity(), View.OnClickListener {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
init()
}
private fun init() {
tv_home.setText("Home Tab")
tv_title.setText("Home")
ll_about.setOnClickListener(this)
ll_home.setOnClickListener(this)
ll_bookmark.setOnClickListener(this)
ll_help.setOnClickListener(this)
rl_menu.setOnClickListener(this)
rl_header.setOnClickListener(this)
tv_link.setLinkTextColor(Color.parseColor("#000000"));
Linkify.addLinks(tv_link, Linkify.ALL)
}
override fun onBackPressed() {
if (drawer_layout.isDrawerOpen(GravityCompat.START)) {
drawer_layout.closeDrawer(GravityCompat.START)
} else {
super.onBackPressed()
}
}
override fun onClick(p0: View?) {
when (p0?.id) {
R.id.ll_home -> {
drawer_layout.closeDrawer(GravityCompat.START)
tv_home.setText("Home Tab")
tv_title.setText("Home")
}
R.id.ll_about -> {
val browserIntent = Intent(Intent.ACTION_VIEW, Uri.parse("http://deepshikhapuri.blogspot.in/"))
startActivity(browserIntent)
}
R.id.ll_help -> {
drawer_layout.closeDrawer(GravityCompat.START)
tv_home.setText("Help Tab")
tv_title.setText("Help")
}
R.id.ll_bookmark -> {
drawer_layout.closeDrawer(GravityCompat.START)
tv_home.setText("Bookmark Tab")
tv_title.setText("Bookmark")
}
R.id.rl_header -> {
}
R.id.rl_menu -> {
if (drawer_layout.isDrawerOpen(GravityCompat.START)) {
drawer_layout.closeDrawer(GravityCompat.START)
} else {
drawer_layout.openDrawer(GravityCompat.START)
}
}
}
}
谢谢!
你可以使用它来替换你的框架与HomeFragment()mainDisplayFrame应该由你的FrameID替换
var fragmentTransaction = supportFragmentManager.beginTransaction()
fragmentTransaction.replace(R.id.mainDisplayFrame,HomeFragment()).commit()
mDrawerLayout!!.closeDrawers()
是这样的吗? @NongthonbamTonthoi
class NavViewFragment : AppCompatActivity(),
NavigationView.OnNavigationItemSelectedListener {
fun AppCompatActivity.addFragment(fragment: Fragment, frameId: Int){
supportFragmentManager.inTransaction { add(frameId, fragment) }
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_nav_view_fragment)
setSupportActionBar(toolbar)
nav_view.setNavigationItemSelectedListener(this)
}
override fun onBackPressed() {
if (drawer_layout.isDrawerOpen(GravityCompat.START)) {
drawer_layout.closeDrawer(GravityCompat.START)
} else {
super.onBackPressed()
}
}
override fun onCreateOptionsMenu(menu: Menu): Boolean {
// Inflate the menu; this adds items to the action bar if it is present.
menuInflater.inflate(R.menu.nav_view, menu)
return true
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
when (item.itemId) {
R.id.action_settings -> return true
else -> return super.onOptionsItemSelected(item)
}
}
override fun onNavigationItemSelected(item: MenuItem): Boolean {
// Handle navigation view item clicks here.
when (item.itemId) {
R.id.home -> {
}
R.id.subjects -> {
val intent = Intent(this, SubjectsActivity::class.java)
startActivity(intent)
}
}
drawer_layout.closeDrawer(GravityCompat.START)
return true
}
inline fun FragmentManager.inTransaction(func: FragmentTransaction.() -> Unit) {
val fragmentTransaction = beginTransaction()
fragmentTransaction.func()
fragmentTransaction.commit()
}
}