Method 3

Method 2

Go to the MainActivity file and refer to the following code. Below is the code for the MainActivity file. Comments are added inside the code to understand the code in more detail.

Java

import android.content.Intent; 
import android.content.pm.PackageManager; 
import android.content.pm.ResolveInfo; 
import android.content.res.Resources; 
import android.os.Bundle; 
import android.view.View; 
import android.widget.ArrayAdapter; 
import android.widget.ListView; 
import android.widget.TextView; 
import androidx.appcompat.app.AppCompatActivity; 
import java.util.ArrayList; 
import java.util.List; 
  
public class MainActivity extends AppCompatActivity { 
    ListView listView; 
    TextView text; 
  
    @Override
    protected void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.activity_main); 
  
        // initialise layout 
        listView = findViewById(R.id.listview); 
        text = findViewById(R.id.totalapp); 
    } 
  
    public void getallapps(View view) throws PackageManager.NameNotFoundException { 
        final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 
        mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 
  
        // get list of all the apps installed 
        List<ResolveInfo> ril = getPackageManager().queryIntentActivities(mainIntent, 0); 
        List<String> componentList = new ArrayList<String>(); 
        String name = null; 
        int i = 0; 
  
        // get size of ril and create a list 
        String[] apps = new String[ril.size()]; 
        for (ResolveInfo ri : ril) { 
            if (ri.activityInfo != null) { 
                // get package 
                Resources res = getPackageManager().getResourcesForApplication(ri.activityInfo.applicationInfo); 
                // if activity label res is found 
                if (ri.activityInfo.labelRes != 0) { 
                    name = res.getString(ri.activityInfo.labelRes); 
                } else { 
                    name = ri.activityInfo.applicationInfo.loadLabel( 
                            getPackageManager()).toString(); 
                } 
                apps[i] = name; 
                i++; 
            } 
        } 
        // set all the apps name in list view 
        listView.setAdapter(new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_1, apps)); 
        // write total count of apps available. 
        text.setText(ril.size() + " Apps are installed"); 
    } 
  
    @Override
    protected void onStart() { 
        super.onStart(); 
    } 
}

Kotlin

import android.content.Intent 
import android.content.pm.PackageManager 
import android.os.Bundle 
import android.widget.ArrayAdapter 
import android.widget.ListView 
import android.widget.TextView 
import androidx.appcompat.app.AppCompatActivity 
  
class MainActivity : AppCompatActivity() { 
    lateinit var listView: ListView 
    lateinit var text: TextView 
      
    override fun onCreate(savedInstanceState: Bundle?) { 
        super.onCreate(savedInstanceState) 
        setContentView(R.layout.activity_main) 
  
        // initialise layout 
        listView = findViewById(R.id.listview) 
        text = findViewById(R.id.totalapp) 
    } 
  
    @Throws(PackageManager.NameNotFoundException::class) 
    fun getAllApps() { 
        val mainIntent = Intent(Intent.ACTION_MAIN, null) 
        mainIntent.addCategory(Intent.CATEGORY_LAUNCHER) 
  
        // get list of all the apps installed 
        val ril = packageManager.queryIntentActivities(mainIntent, 0) 
        val componentList: List<String> = ArrayList() 
        lateinit var name: String 
        var i = 0
  
        // get size of ril and create a list 
        val apps = arrayOfNulls<String>(ril.size) 
        for (ri in ril) { 
            if (ri.activityInfo != null) { 
                // get package 
                val res = packageManager.getResourcesForApplication(ri.activityInfo.applicationInfo) 
                // if activity label res is found 
                name = if (ri.activityInfo.labelRes != 0) { 
                    res.getString(ri.activityInfo.labelRes) 
                } else { 
                    ri.activityInfo.applicationInfo.loadLabel(packageManager).toString() 
                } 
                apps[i] = name 
                i++ 
            } 
        } 
        // set all the apps name in list view 
        listView.adapter = ArrayAdapter(this@MainActivity, android.R.layout.simple_list_item_1, apps) 
        // write total count of apps available. 
        text.text = ril.size.toString() + " Apps are installed"
    } 
  
    override fun onStart() { 
        super.onStart() 
    } 
}

Output:

Different Ways to Get List of All Apps Installed in Your Android Phone

In this article, we are going to show the list of all the installed apps on your Android phone. So here we are going to learn how to implement that feature in three different ways. Note that we are going to implement this project in both Java and Kotlin Programming languages for Android.

Tags:

#Android #Java #Kotlin #Java