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Code Issues Projects Releases Packages Wiki Activity Actions

Replace apps list with a RecyclerView

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this is way faster, more efficient - and it even enables the app to show 
app icone, which Closes #31
This commit is contained in:
Finn M Glas 2020-05-27 10:59:19 +02:00
parent c8f202d570
commit 4c131e4aed
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GPG key ID: 25037A2E81AB459C
5 changed files with 161 additions and 59 deletions
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70
app/src/main/java/com/finnmglas/launcher/ChooseActivity.kt
View file

@ -2,21 +2,22 @@ package com.finnmglas.launcher
import android.app.Activity
import android.content.Intent
import android.graphics.Color
import android.net.Uri
import android.os.Bundle
import android.view.View
import android.view.WindowManager
import android.widget.TextView
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.finnmglas.launcher.choose.AppsRecyclerAdapter
import com.finnmglas.launcher.extern.*
import kotlinx.android.synthetic.main.activity_choose.*
class ChooseActivity : AppCompatActivity() {
/** Activity Lifecycle functions */
private lateinit var viewAdapter: RecyclerView.Adapter<*>
private lateinit var viewManager: RecyclerView.LayoutManager
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
@ -42,56 +43,31 @@ class ChooseActivity : AppCompatActivity() {
// As older APIs somehow do not recognize the xml defined onClick
activity_choose_close.setOnClickListener() { finish() }
// get info about which action this activity is open for
val bundle = intent.extras
val action = bundle!!.getString("action") // why choose an app
val forApp = bundle.getString("forApp") // which app we choose
if (action == "launch")
activity_choose_heading.text = getString(R.string.choose_title_launch)
else if (action == "pick")
activity_choose_heading.text = getString(R.string.choose_title)
else if (action == "uninstall")
activity_choose_heading.text = getString(R.string.choose_title_remove)
when (action) {
"launch" -> activity_choose_heading.text = getString(R.string.choose_title_launch)
"pick" -> activity_choose_heading.text = getString(R.string.choose_title)
"uninstall" -> activity_choose_heading.text = getString(R.string.choose_title_remove)
}
/* Build Layout */
// set up the list / recycler
viewManager = LinearLayoutManager(this)
viewAdapter = AppsRecyclerAdapter( this, action, forApp)
for (resolveInfo in appsList) {
val app = resolveInfo.activityInfo
activity_choose_apps_recycler_view.apply {
// improve performance (since content changes don't change the layout size)
setHasFixedSize(true)
layoutManager = viewManager
adapter = viewAdapter
}
}
// creating TextView programmatically
val tvdynamic = TextView(this)
tvdynamic.textSize = 24f
tvdynamic.text = app.loadLabel(packageManager).toString()
tvdynamic.setTextColor(Color.parseColor("#cccccc"))
if (action == "launch"){
tvdynamic.setOnClickListener { startActivity(packageManager.getLaunchIntentForPackage(app.packageName)) }
}
else if (action == "pick"){
tvdynamic.setOnClickListener {
val returnIntent = Intent()
returnIntent.putExtra("value", app.packageName)
returnIntent.putExtra("forApp", forApp)
setResult(
REQUEST_CHOOSE_APP,
returnIntent
)
finish()
}
}
else if (action == "uninstall"){
tvdynamic.setOnClickListener {
val intent = Intent(Intent.ACTION_UNINSTALL_PACKAGE)
intent.data = Uri.parse("package:" + app.packageName)
intent.putExtra(Intent.EXTRA_RETURN_RESULT, true)
startActivityForResult(intent,
REQUEST_UNINSTALL
)
}
}
activity_choose_apps_list.addView(tvdynamic)
}
}
/*
}*/
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)

9
app/src/main/java/com/finnmglas/launcher/choose/AppInfo.kt Normal file
View file

@ -0,0 +1,9 @@
package com.finnmglas.launcher.choose
import android.graphics.drawable.Drawable
class AppInfo {
var label: CharSequence? = null
var packageName: CharSequence? = null
var icon: Drawable? = null
}

93
app/src/main/java/com/finnmglas/launcher/choose/AppsRecyclerAdapter.kt Normal file
View file

@ -0,0 +1,93 @@
package com.finnmglas.launcher.choose
import android.app.Activity
import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
import android.net.Uri
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import android.widget.Toast
import androidx.recyclerview.widget.RecyclerView
import com.finnmglas.launcher.R
import com.finnmglas.launcher.extern.*
class AppsRecyclerAdapter(val activity: Activity, val action: String?, val forApp: String?):
RecyclerView.Adapter<AppsRecyclerAdapter.ViewHolder>() {
private val appsList: MutableList<AppInfo>
inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView),
View.OnClickListener {
var textView: TextView = itemView.findViewById(R.id.choose_row_app_name)
var img: ImageView = itemView.findViewById(R.id.choose_row_app_icon) as ImageView
override fun onClick(v: View) {
val pos = adapterPosition
val context: Context = v.context
val appPackageName = appsList[pos].packageName.toString()
when (action){
"launch" -> {
val launchIntent: Intent = context.packageManager
.getLaunchIntentForPackage(appPackageName)!!
context.startActivity(launchIntent)
Toast.makeText(v.context, appsList[pos].label.toString(), Toast.LENGTH_LONG)
.show()
}
"pick" -> {
val returnIntent = Intent()
returnIntent.putExtra("value", appPackageName)
returnIntent.putExtra("forApp", forApp)
activity.setResult(REQUEST_CHOOSE_APP, returnIntent)
activity.finish()
}
"uninstall" -> {
val intent = Intent(Intent.ACTION_UNINSTALL_PACKAGE)
intent.data = Uri.parse("package:$appPackageName")
intent.putExtra(Intent.EXTRA_RETURN_RESULT, true)
activity.startActivityForResult(intent, REQUEST_UNINSTALL)
}
}
}
init { itemView.setOnClickListener(this) }
}
override fun onBindViewHolder(viewHolder: ViewHolder, i: Int) {
val appLabel = appsList[i].label.toString()
val appPackage = appsList[i].packageName.toString()
val appIcon = appsList[i].icon
val textView = viewHolder.textView
textView.text = appLabel
val imageView: ImageView = viewHolder.img
imageView.setImageDrawable(appIcon)
}
override fun getItemCount(): Int { return appsList.size }
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
val inflater = LayoutInflater.from(parent.context)
val view: View = inflater.inflate(R.layout.recycler_apps_row, parent, false)
return ViewHolder(view)
}
init {
val pm: PackageManager = activity.packageManager
appsList = ArrayList()
val i = Intent(Intent.ACTION_MAIN, null)
i.addCategory(Intent.CATEGORY_LAUNCHER)
val allApps = pm.queryIntentActivities(i, 0)
for (ri in allApps) {
val app = AppInfo()
app.label = ri.loadLabel(pm)
app.packageName = ri.activityInfo.packageName
app.icon = ri.activityInfo.loadIcon(pm)
appsList.add(app)
}
}
}

20
app/src/main/res/layout/activity_choose.xml
View file

@ -58,25 +58,19 @@
</com.google.android.material.appbar.AppBarLayout>
<ScrollView
android:layout_width="0dp"
android:layout_height="0dp"
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/activity_choose_apps_recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="16dp"
android:layout_marginTop="86dp"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:layout_marginBottom="16dp"
android:scrollbars="vertical"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/activity_choose_app_bar">
<LinearLayout
android:id="@+id/activity_choose_apps_list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" />
</ScrollView>
app:layout_constraintTop_toBottomOf="@id/activity_choose_app_bar" />
</androidx.constraintlayout.widget.ConstraintLayout>

30
app/src/main/res/layout/recycler_apps_row.xml Normal file
View file

@ -0,0 +1,30 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="15sp">
<ImageView
android:id="@+id/choose_row_app_icon"
android:layout_width="40sp"
android:layout_height="40sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:ignore="ContentDescription" />
<TextView
android:id="@+id/choose_row_app_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="60sp"
android:layout_marginLeft="60sp"
android:text=""
android:textSize="20sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
</androidx.constraintlayout.widget.ConstraintLayout>