Found 2041 Articles for Mobile Development

How to resize an image in Android using Picasso?

Azhar
Updated on 08-Jul-2020 06:04:50

453 Views

This example demonstrates how to do I 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 − Open build.gradle (Module: app) and add the following dependency −implementation 'com.squareup.picasso:picasso:2.5.2'Step 3 − Add the following code to res/layout/activity_main.xml.     Step 3 − Add the following code to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.widget.ImageView; import com.squareup.picasso.Picasso; public class MainActivity extends AppCompatActivity {    ImageView imageView;    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);   ... Read More

How to create different graphs in Android App?

Azhar
Updated on 08-Jul-2020 06:05:19

1K+ Views

This example demonstrates how to do I 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 dependency in the build.gradle (Module: app)implementation 'com.jjoe64:graphview:4.2.1'Step 3 − Add the following code to res/layout/activity_main.xml.     Step 4 − Add the following code to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import com.jjoe64.graphview.GraphView; import com.jjoe64.graphview.series.DataPoint; import com.jjoe64.graphview.series.LineGraphSeries; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       ... Read More

How to check available space on Android Device?

Azhar
Updated on 08-Jul-2020 06:05:49

237 Views

This example demonstrates how do I check available space on an android device.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 androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.os.Environment; import android.os.StatFs; import android.text.format.Formatter; import android.util.Log; import android.widget.TextView; import java.io.File; public class MainActivity extends AppCompatActivity {    TextView textView;    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);     ... Read More

How to play videos in Android TextureView?

Azhar
Updated on 08-Jul-2020 06:06:21

1K+ Views

This example demonstrates how do I play videos in Android TextureView.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 − Create an asset folder and copy-paste the video into the asset folder.Step 4 − Add the following code to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.content.res.AssetFileDescriptor; import android.graphics.SurfaceTexture; import android.media.MediaPlayer; import android.os.Build; import android.os.Bundle; import android.view.Surface; import android.view.TextureView; import java.io.IOException; public class MainActivity extends AppCompatActivity implements TextureView.SurfaceTextureListener, MediaPlayer.OnVideoSizeChangedListener {    TextureView textureView;    private ... Read More

How to detect scroll up and scroll down in android listView?

Azhar
Updated on 08-Jul-2020 05:55:30

1K+ Views

This example demonstrates how do I detect scroll up and down in android listView.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 androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.widget.AbsListView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.ScrollView; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    ScrollView scrollView;    ListView listView;    String[] numbers = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "X", "11", "12", "13", ... Read More

Playing an Arbitrary tone with Android?

Azhar
Updated on 08-Jul-2020 05:56:41

165 Views

This example demonstrates how do I playing an arbitrary tone with 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 androidx.appcompat.app.AppCompatActivity; import android.media.AudioFormat; import android.media.AudioManager; import android.media.AudioTrack; import android.os.Bundle; import android.os.Handler; public class MainActivity extends AppCompatActivity {    private final int duration = 10;    private final int sampleRate = 8000;    private final int numSamples = duration * sampleRate;   ... Read More

How to detect orientation change in layout in android?

Azhar
Updated on 08-Jul-2020 05:58:15

1K+ Views

This example demonstrates how do I detect orientation change in layout 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 androidx.appcompat.app.AppCompatActivity; import android.content.res.Configuration; import android.os.Bundle; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);    }    @Override    public void onConfigurationChanged(Configuration newConfig) {       super.onConfigurationChanged(newConfig); ... Read More

How to create Horizontal ListView in Android?

Azhar
Updated on 08-Jul-2020 05:38:50

725 Views

This example demonstrates how do I create Horizontal ListView 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.Kindly add the below-given dependence in the Gradle −implementation 'com.android.support:recyclerview-v7:28.0.0' implementation 'com.android.support:cardview-v7:28.0.0'Step 2 − Add the following code to res/layout/activity_main.xml.     Step 3 − Add the following code to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import androidx.recyclerview.widget.LinearLayoutManager; import androidx.recyclerview.widget.RecyclerView; import android.os.Bundle; import java.util.ArrayList; import java.util.Arrays; public class MainActivity extends AppCompatActivity {    RecyclerView recyclerView;    RecyclerView.LayoutManager layoutManager;    RecyclerView.Adapter adapter;    ArrayList numberName;    ArrayList numberImage;    @Override ... Read More

How to add google search functionality in an android app?

Azhar
Updated on 08-Jul-2020 05:19:22

916 Views

This example demonstrates how do I add google search functionality in an 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 androidx.appcompat.app.AppCompatActivity; import android.app.SearchManager; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; public class MainActivity extends AppCompatActivity {    EditText editText;    Button btnSearch;    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);   ... Read More

How can I get zoom functionality for images on Android?

Azhar
Updated on 08-Jul-2020 05:20:04

307 Views

This example demonstrates how do I get zoom functionality for images 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.import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.view.MotionEvent; import android.view.ScaleGestureDetector; import android.widget.ImageView; public class MainActivity extends AppCompatActivity {    private ScaleGestureDetector scaleGestureDetector;    private float scaleFactor = 1f;    private ImageView imageView;    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       imageView = findViewById(R.id.imageView);       ... Read More

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