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Android Articles
Page 38 of 125
How to control the height and width of the default alert dialog in android?
This example demonstrates how do I control the height and width of the default alert dialog 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.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.view.WindowManager; import android.widget.Button; import android.widget.RelativeLayout; public class MainActivity extends AppCompatActivity{ Button button; RelativeLayout relativeLayout; Context ...
Read MoreHow to pass an arrayList to another activity using intents in Android?
This example demonstrates how do I pass an arrayList to another activity using intends 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.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import java.util.ArrayList; public class MainActivity extends AppCompatActivity{ Button button; ArrayList numbers = new ArrayList(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
Read MoreHow to complete address from latitude and longitude on Android?
This example demonstrates how do I complete address from latitude and logitude 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.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.location.Location; import android.location.LocationManager; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.provider.Settings; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends AppCompatActivity { Button btnShowAddress; TextView tvAddress; ...
Read MoreHow to check if android editText is empty?
This example demonstrates how do I check if android editText is empty.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.TextUtils; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends AppCompatActivity { EditText editText; Button button; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
Read MoreHow to draw a line in Android?
This example demonstrates how do I draw a line 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.Context; import android.content.res.Resources; import android.graphics.Color; import android.graphics.Paint; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.RelativeLayout; import android.graphics.Canvas; import android.graphics.Bitmap; public class MainActivity extends AppCompatActivity { Context context; Resources resources; RelativeLayout relativeLayout; Button button; ...
Read MoreHow to set ringtone in Android from Android activity?
This example demonstrates how do I set ringtone in android from android activity.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.annotation.SuppressLint; import android.content.Intent; import android.media.RingtoneManager; import android.net.Uri; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends AppCompatActivity { Button btn; TextView txtView; @Override protected void onCreate(Bundle savedInstanceState) { ...
Read MoreHow to add a button dynamically in android?
This example demonstrates how do I add a button dynamically 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.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.RelativeLayout; import android.widget.Toast; public class MainActivity extends AppCompatActivity { RelativeLayout relativeLayout; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); relativeLayout = findViewById(R.id.relativeLayout); ...
Read MoreHow to change screen brightness programmatically in android?
This example demonstrates how do I change screen brightness programmatically 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.Context; import android.provider.Settings; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.SeekBar; public class MainActivity extends AppCompatActivity { SeekBar lightBar; Context context; int brightness; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
Read MoreHow to set background color of an android activity to yellow Programatically?
This example demonstrates how do I set background color of an android activity to yellow programmatically.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.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.RelativeLayout; public class MainActivity extends AppCompatActivity { RelativeLayout relativeLayout; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); relativeLayout = findViewById(R.id.relativeLayout); ...
Read MoreHow to set the layout weight of a textview programmatically in Android?
This example demonstrates how do I set the layout weight of a textView programmatically 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.view.View; import android.widget.Button; import android.widget.RelativeLayout; public class MainActivity extends AppCompatActivity { Button button; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void expand(View ...
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