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Android Articles
Page 40 of 125
What is difference between FillParent and wrap content in android?
This example demonstrates how do I show the difference between fillParent and wrap content in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } }Step 4 − Add the following code to androidManifest.xml ...
Read MoreHow to implement Android button Sheet widget?
This example demonstrates how do I implement android button sheet widget.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Open build.gradle (Module:app) and add the following dependencyimplementation 'com.android.support:design:28.0.0' implementation 'com.jakewharton:butterknife:8.8.1' annotationProcessor 'com.jakewharton:butterknifecompiler:8.8.1'Step 4 − Create a layout (bottomsheet.xml) and the following code − ...
Read MoreHow to count number of characters in EditText while typing in android?
This example demonstrates how do I count number of characters in editText while typing in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.text.Editable; import android.text.TextWatcher; import android.widget.EditText; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView textView; EditText editText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
Read MoreHow to simulate touch event with android at a given position?
This example demonstrates how do I simulate touch even with android at a given position.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.MotionEvent; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private boolean isTouch = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean ...
Read MoreHow to use calendar widget using the calendarView class in Android App?
This example demonstrates how do I use calendar widget using the calendarView class in android app.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.support.annotation.NonNull; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.CalendarView; import android.widget.TextView; public class MainActivity extends AppCompatActivity { CalendarView calendar; TextView dateView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
Read MoreHow to use SharedPrefernces in Android?
This example demonstrates how do I use shared preferences in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.content.SharedPreferences; import android.preference.PreferenceManager; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; public class MainActivity extends AppCompatActivity { SharedPreferences sharedPreferences; SharedPreferences.Editor editor; EditText name, password; Button button; CheckBox checkBox; ...
Read MoreHow to stop AsyncTask thread in android?
This example demonstrates how do I stop AsynchTask thread in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.graphics.Color; import android.os.AsyncTask; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; import java.util.ArrayList; import java.util.List; public class MainActivity extends AppCompatActivity { private Button btnDo, btnCancel; private TextView textView; private AsyncTask myTask; @Override protected ...
Read MoreWeb scrapping in Android application
This example demonstrates how do I do web scrapping in android application.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 – Open build.gradle(Mobule:app) and add the following dependencyimplementation 'org.jsoup:jsoup:1.11.2'Step 3 − Add the following code to res/layout/activity_main.xml. Step 4 − Add the following code to src/MainActivity.javaimport android.os.AsyncTask; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import java.io.IOException; public class MainActivity extends AppCompatActivity { TextView textView; Button button; @Override ...
Read MoreHow to use JSONobject to parse JSON in Android?
This example demonstrates how do I use JSONObject to parse JSON in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.TextView; import org.json.JSONException; import org.json.JSONObject; public class MainActivity extends AppCompatActivity { public static final String JSON_STRING="{"Employee":{"Name":"Niyaz", "Salary":56000}}"; TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
Read MoreHow to display a listView in an android alert dialog?
This example demonstrates how do I display a listView in an android aler dialog.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.ArrayAdapter; import android.widget.ListView; public class MainActivity extends AppCompatActivity { String[] names = {"India", "Brazil", "Argentina", "Portugal", "France", "England", "Italy"}; ArrayAdapter adapter; ListView listView; @Override protected ...
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