Scala Intent类代码示例

//设置package包名称以及导入依赖的类
package sword.langbook.android.activities

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.view.View
import sword.langbook.android.{R, TR}

class Main extends BaseActivity {
  override def onCreate(savedInstanceState: Bundle) = {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.main)

    findView(TR.checkLanguagesButton).setOnClickListener(new View.OnClickListener() {
      override def onClick(v: View): Unit = {
        LanguageSelector.openWith(Main.this, RequestCodes.pickLanguage)
      }
    })

    findView(TR.checkWordsButton).setOnClickListener(new View.OnClickListener() {
      override def onClick(v: View): Unit = Selector.openWith(Main.this, Selector.wordsAndBunches)
    })

    findView(TR.startQuizButton).setOnClickListener(new View.OnClickListener() {
      override def onClick(v: View): Unit = QuizSelector.openWith(Main.this)
    })

    findView(TR.settingsButton).setOnClickListener(new View.OnClickListener() {
      override def onClick(v: View): Unit = Settings.openWith(Main.this)
    })
  }

  override def onActivityResult(requestCode :Int, resultCode :Int, data :Intent) :Unit = {
    super.onActivityResult(requestCode, resultCode, data)

    if (requestCode == RequestCodes.pickLanguage && resultCode == Activity.RESULT_OK) {
      LanguageDetails.openWith(Main.this, languageEncodedKey = data.getStringExtra(BundleKeys.languageKey))
    }
  }
} 

//设置package包名称以及导入依赖的类
package sword.langbook.android.activities

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.support.v7.widget.LinearLayoutManager
import sword.langbook.android.{TR, R}
import sword.langbook.db.Symbol

object SymbolDetails {
  private val className = "sword.langbook.android.activities.SymbolDetails"

  def openWith(activity :Activity, symbol :Symbol, requestCode :Int = 0) = {
    val intent = new Intent()
    intent.setClassName(activity, className)
    intent.putExtra(BundleKeys.symbolKey, symbol.key.encoded)

    if (requestCode > 0) activity.startActivityForResult(intent, requestCode)
    else activity.startActivity(intent)
  }
}

class SymbolDetails extends BaseActivity {
  lazy val symbolKeyOption = linkedDb.storageManager.decode(getIntent.getStringExtra(BundleKeys.symbolKey))
  lazy val symbolOption = symbolKeyOption.map(Symbol(_))

  override def onCreate(savedInstanceState :Bundle) :Unit = {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.word_details)
    findView(TR.recyclerView).setLayoutManager(new LinearLayoutManager(this))
    updateUi()
  }

  def updateUi(): Unit = {
    val title = symbolOption.map(_.text).getOrElse("")
    val toolBar = findView(TR.toolBar)
    toolBar.setTitle(title)

    for (symbol <- symbolOption) {
      findView(TR.recyclerView).setAdapter(new SymbolDetailsAdapter(this, symbol))
    }
  }
} 

//设置package包名称以及导入依赖的类
package sword.langbook.android.activities

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.support.v7.widget.LinearLayoutManager
import sword.langbook.android.{TR, R}
import sword.langbook.db.Language

object LanguageDetails {
  private val className = "sword.langbook.android.activities.LanguageDetails"

  def openWith(activity :Activity, requestCode :Int = 0, language: Language = null, languageEncodedKey: String = null) = {
    val intent = new Intent()
    intent.setClassName(activity, className)
    val languageEncoded = {
      if (language != null) language.key.encoded
      else languageEncodedKey
    }
    intent.putExtra(BundleKeys.languageKey, languageEncoded)

    if (requestCode > 0) activity.startActivityForResult(intent, requestCode)
    else activity.startActivity(intent)
  }
}

class LanguageDetails extends BaseActivity {

  lazy val languageKeyOption = linkedDb.storageManager.decode(getIntent.getStringExtra(BundleKeys.languageKey))
  lazy val languageOption = languageKeyOption.map(Language(_))

  override def onCreate(savedInstanceState :Bundle) :Unit = {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.word_details)

    val toolBar = findView(TR.toolBar)
    val recyclerView = findView(TR.recyclerView)
    for (language <- languageOption) {
      for (title <- language.suitableTextForLanguage(preferredLanguage)) {
        toolBar.setTitle(title)
      }

      val wordCount = language.wordCount
      val statistics = Vector(("Number of words", wordCount.toString))
      recyclerView.setLayoutManager(new LinearLayoutManager(this))
      recyclerView.setAdapter(new LanguageDetailsAdapter(this, preferredLanguage, "", language.alphabets.toVector, statistics))
    }
  }
} 

//设置package包名称以及导入依赖的类
package sword.langbook.android.activities

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.support.v7.widget.{GridLayoutManager, LinearLayoutManager}
import sword.langbook.android.{TR, R}
import sword.langbook.db.Alphabet

object AlphabetDetails {
  private val className = "sword.langbook.android.activities.AlphabetDetails"

  def openWith(activity :Activity, requestCode :Int = 0, alphabetEncodedKey: String = null) = {
    val intent = new Intent()
    intent.setClassName(activity, className)
    intent.putExtra(BundleKeys.alphabetKey, alphabetEncodedKey)

    if (requestCode > 0) activity.startActivityForResult(intent, requestCode)
    else activity.startActivity(intent)
  }
}

class AlphabetDetails extends BaseActivity {

  lazy val alphabetKeyOption = linkedDb.storageManager.decode(getIntent.getStringExtra(BundleKeys.alphabetKey))
  lazy val alphabetOption = alphabetKeyOption.map(Alphabet(_))

  override def onCreate(savedInstanceState :Bundle) :Unit = {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.word_details)

    val toolBar = findView(TR.toolBar)
    val recyclerView = findView(TR.recyclerView)
    for (alphabet <- alphabetOption) {
      for (title <- alphabet.suitableTextForLanguage(preferredLanguage)) {
        toolBar.setTitle(title)
      }

      val adapter = AlphabetDetailsAdapter(this, alphabet)
      recyclerView.setLayoutManager(new GridLayoutManager(this, adapter.spanCount))
      recyclerView.setAdapter(adapter)
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.github.shadowsocks

import android.app.Activity
import android.content.Intent
import android.content.pm.ShortcutManager
import android.os.{Build, Bundle}
import com.github.shadowsocks.utils.{State, Utils}


class QuickToggleShortcut extends Activity with ServiceBoundContext {
  override def onCreate(savedInstanceState: Bundle) {
    super.onCreate(savedInstanceState)
    getIntent.getAction match {
      case Intent.ACTION_CREATE_SHORTCUT =>
        setResult(Activity.RESULT_OK, new Intent()
          .putExtra(Intent.EXTRA_SHORTCUT_INTENT, new Intent(this, classOf[QuickToggleShortcut]))
          .putExtra(Intent.EXTRA_SHORTCUT_NAME, getString(R.string.quick_toggle))
          .putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
            Intent.ShortcutIconResource.fromContext(this, R.mipmap.ic_launcher)))
        finish()
      case _ =>
        attachService()
        if (Build.VERSION.SDK_INT >= 25) getSystemService(classOf[ShortcutManager]).reportShortcutUsed("toggle")
    }
  }

  override def onDestroy() {
    detachService()
    super.onDestroy()
  }

  override def onServiceConnected() {
    bgService.getState match {
      case State.STOPPED => Utils.startSsService(this)
      case State.CONNECTED => Utils.stopSsService(this)
      case _ => // ignore
    }
    finish()
  }
} 

//设置package包名称以及导入依赖的类
package com.android.perrier1034.post_it_note.receiver

import android.app.{Notification, NotificationManager, PendingIntent}
import android.content.{BroadcastReceiver, Context, Intent}
import android.support.v4.app.NotificationCompat
import android.text.TextUtils
import com.android.perrier1034.post_it_note.db.dao.{PageStore, NoteStore}
import com.android.perrier1034.post_it_note.model.NoteRealm
import com.android.perrier1034.post_it_note.ui.PageManager
import com.android.perrier1034.post_it_note.util.AlarmUtil
import com.android.perrier1034.post_it_note.{App, R}

object AlarmBroadcastReceiver {
  val KEY_INTENT_ALARM_USUAL = "KEY_INTENT_USUAL"
  val KEY_INTENT_PAGE_ORDER = "KEY_INTENT_PAGE_ORDER"
}

class AlarmBroadcastReceiver extends BroadcastReceiver {
  override def onReceive(context: Context, receivedIntent: Intent) {
    receivedIntent.getAction match {
      case Intent.ACTION_PACKAGE_REPLACED | Intent.ACTION_BOOT_COMPLETED =>
        NoteStore.rebootAlarmsRealm()

      case AlarmBroadcastReceiver.KEY_INTENT_ALARM_USUAL =>
        val id = receivedIntent.getLongExtra(AlarmUtil.alarmIntentDataKey, -1)
        val note = NoteStore.findByIdRealm(id)
        val pageOrder = PageStore .getPageOrderById(note.parentId)
        if (note.inRubbish != 1) {
          val nm = App.getInstance.getSystemService(Context.NOTIFICATION_SERVICE).asInstanceOf[NotificationManager]
          val notif = makeNotification(note, pageOrder)
          nm.notify(id.asInstanceOf[Int], notif)
        }
        NoteStore.clearAlarmRealm(id)
      case _ =>
    }
  }

  private def makeNotification(note: NoteRealm, pageOrder: Int): Notification = {
    val in = new Intent(App.getInstance, classOf[PageManager])
    in.putExtra(AlarmBroadcastReceiver.KEY_INTENT_PAGE_ORDER, pageOrder)
    val pi = PendingIntent.getActivity(App.getInstance, 0, in, PendingIntent.FLAG_UPDATE_CURRENT)
    val builder = new NotificationCompat.Builder(App.getInstance)
    val content = if (TextUtils.isEmpty(note.checkItems)) "(check list)" else note.content
    builder
      .setSmallIcon(R.drawable.ic_launcher)
      .setTicker(content)
      .setContentText(content)
      .setWhen(System.currentTimeMillis).setAutoCancel(true)
      .setContentIntent(pi)
      .setContentTitle(if (TextUtils.isEmpty(note.title)) "No title" else note.title)
      .build()
  }
} 

//设置package包名称以及导入依赖的类
package com.android.perrier1034.post_it_note.util

import java.util.{Calendar, TimeZone}

import android.app.{AlarmManager, PendingIntent}
import android.content.{Context, Intent}
import com.android.perrier1034.post_it_note.App
import com.android.perrier1034.post_it_note.receiver.AlarmBroadcastReceiver

object AlarmUtil {

  val alarmIntentDataKey = "alarmIntentDataKey "
  def set(id: Long, year: Int, month: Int, date: Int) = {
    val cal = Calendar.getInstance
    cal.setTimeInMillis(System.currentTimeMillis)
    cal.setTimeZone(TimeZone.getDefault)
    cal.set(Calendar.YEAR, year)
    cal.set(Calendar.MONTH, month)
    cal.set(Calendar.DAY_OF_MONTH, date)
    cal.set(Calendar.HOUR_OF_DAY, 0)
    cal.set(Calendar.MINUTE, 0)
    val intent = new Intent(App.getInstance, classOf[AlarmBroadcastReceiver])
    intent.putExtra(alarmIntentDataKey, id)
    intent.setAction(AlarmBroadcastReceiver.KEY_INTENT_ALARM_USUAL)
    val pendingIntent = PendingIntent.getBroadcast(App.getInstance, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT)
    val alarmManager = App.getInstance.getSystemService(Context.ALARM_SERVICE).asInstanceOf[AlarmManager]
    alarmManager.set(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis, pendingIntent)
  }

  def clear(noteId: Long) = {
    val intent = new Intent(App.getInstance, classOf[AlarmBroadcastReceiver])
    intent.putExtra(alarmIntentDataKey, noteId)
    val pendingIntent = PendingIntent.getBroadcast(App.getInstance, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT)
    val alarmManager = App.getInstance.getSystemService(Context.ALARM_SERVICE).asInstanceOf[AlarmManager]
    alarmManager.cancel(pendingIntent)
  }
} 

//设置package包名称以及导入依赖的类
package net.ladstatt.android.sqlite

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.view.View
import android.view.View.OnClickListener
import android.widget.Button


class MainActivity extends Activity {


  override protected def onCreate(savedInstanceState: Bundle) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.main)
  }

  // called by a button click - see main.xml
  def gotoFirstActivity(view: View): Unit = {
    val i = new Intent(this, classOf[DbActivity])
    startActivity(i)
  }

} 

//设置package包名称以及导入依赖的类
package app.bitrader.helpers.activity

import android.app.Activity
import android.content.Intent
import app.bitrader.helpers.activity.PassableType.Passable
import macroid.ContextWrapper

import scala.collection.mutable
import scala.reflect._


trait ActivityOperations {

  @inline def startActivity[T: ClassTag](implicit context: ContextWrapper): Unit = context.bestAvailable.startActivity(IntentObject[T])

  @inline def startActivityWithParams[A <: Activity : ClassTag](o: Passable*)(implicit context: ContextWrapper): Unit = {
    if (o != null) {
      PassParams.array ++= o
    } else {
      PassParams.array.clear()
    }
    this.startActivity[A]
  }

  @inline def getParam[T <: Passable : ClassTag]: Option[T] = {
    val maybePassable: Option[T] = PassParams.array.find(p => classTag[T].runtimeClass.isInstance(p)).asInstanceOf[Option[T]]
    PassParams.array.clear() // todo remove only pick
    maybePassable
  }

  implicit class ActivityHelper(a: Activity) {
    def changeTheme(theme: Int) = {
      a.setTheme(theme)
      a.finish()
      a.startActivity(new Intent(a, a.getClass))
    }
  }
}

object IntentObject {
  @inline def apply[T](implicit context: ContextWrapper, mt: ClassTag[T]) = new Intent(context.bestAvailable, mt.runtimeClass)
}

object PassParams {
  var array = mutable.ArrayBuffer[Passable]()
}

object PassableType{
  type Passable = AnyRef
} 

//设置package包名称以及导入依赖的类
package com.happyheal.happyhealapp.ui.wizard

import android.content.Intent
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.util.Log
import com.happyheal.happyhealapp.{TypedFindView, TR}
import com.happyheal.happyhealapp.commons.ContextWrapperProvider
import com.happyheal.happyhealapp.modules.persistence.impl.PersistenceServicesComponentImpl
import com.happyheal.happyhealapp.ui.main.MainActivity
import macroid.{ContextWrapper, Contexts}
import macroid.FullDsl._


class WizardActivity
  extends AppCompatActivity
    with Contexts[AppCompatActivity]
    with ContextWrapperProvider
    with PersistenceServicesComponentImpl
    with TypedFindView
    with WizardComposer {

  override implicit lazy val contextProvider: ContextWrapper = activityContextWrapper

  val LOG_TAG = classOf[WizardActivity].getSimpleName

  override def onCreate(savedInstanceState: Bundle): Unit = {
    super.onCreate(savedInstanceState)
    Log.d(LOG_TAG, "WizardActivity")
    val extras = getIntent.getExtras
    val tutorialMode = if (extras != null) extras.getBoolean(WizardActivity.tutorialMode, false) else false
    if (!(tutorialMode || !persistenceServices.isWizardSeen)) {
      finish()
      startActivity(new Intent(getApplication, classOf[MainActivity]))
    }
    setContentView(TR.layout.wizard_layout.id)
    runUi(initializeWizard(tutorialMode))
  }

}

object WizardActivity {
  val tutorialMode = "tutorial_mode"
} 

//设置package包名称以及导入依赖的类
package com.happyheal.happyhealapp.modules.notifications.impl

import android.app.{PendingIntent, NotificationManager}
import android.content.{Intent, Context}
import android.support.v4.app.NotificationCompat
import com.happyheal.happyhealapp.R
import com.happyheal.happyhealapp.commons.ContextWrapperProvider
import com.happyheal.happyhealapp.modules.notifications.{NotificationServices, NotificationServicesComponent}
import com.happyheal.happyhealapp.ui.main.MainActivity

import scala.util.Random


trait NotificationServicesComponentImpl
  extends NotificationServicesComponent {

  self: ContextWrapperProvider =>

  override lazy val notificationServices = new NotificationServicesImpl

  class NotificationServicesImpl extends NotificationServices {

    override def showDemoNotification: Unit = {
      val requestCode = 112233
      val notificationId = Random.nextInt()
      val intent = new Intent(contextProvider.application, classOf[MainActivity])
      val pendingIntent = PendingIntent.getActivity(contextProvider.application, requestCode, intent, PendingIntent.FLAG_UPDATE_CURRENT);
      val notification = new NotificationCompat.Builder(contextProvider.application)
        .setContentTitle("Demo Notification")
        .setContentText("Demo Content")
        .setContentInfo("Demo info")
        .setContentIntent(pendingIntent)
        .setSmallIcon(R.drawable.ic_launcher)
        .setAutoCancel(true)
        .build()
      val notifyManager = contextProvider.application.getSystemService(Context.NOTIFICATION_SERVICE).asInstanceOf[NotificationManager]
      notifyManager.notify(notificationId, notification)
    }

  }

}