Android Digital Clock




Android Digital Clock



1. Static Digital Clock Creation in Android
2. Dynamic Digital Clock Creation in Android



1. Static Digital Clock Creation in Android

Step 1 : Select File -> New -> Project -> Android Application Project (or) Android Project. Fill the forms and click "Finish" button. If you have any doubt regarding create a new project Click Here.

Step 2 : Open res -> layout -> activity_main.xml (or) main.xml and add following code :

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <TextView
        android:id="@+id/textView1"
        android:textSize="20dp"
        android:textColor="#FF0000"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="60dp"
        android:text="Static DigitalClock" />

    <DigitalClock
        android:id="@+id/digitalClock1"
        android:textSize="20dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"  />

</RelativeLayout>


Step 3 : Open src -> package -> MainActivity.java and add following code :

package com.gudivada.hemanthsomaraju;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.DigitalClock;
import android.widget.Toast;

public class MainActivity extends Activity {
DigitalClock clk;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
     
        clk = (DigitalClock) findViewById(R.id.digitalClock1);
     
        clk.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), clk.getText().toString(),
Toast.LENGTH_SHORT).show();
}
});
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
}


Step 4 : Open AndroidManifest.xml and add following code :


<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.gudivada.hemanthsomaraju"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.gudivada.hemanthsomaraju.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

Step 5 : Our output will be like this :




2. Dynamic Digital Clock Creation in Android

Step 1 : Select File -> New -> Project -> Android Application Project (or) Android Project. Fill the forms and click "Finish" button. If you have any doubt regarding create a new project Click Here.

Step 2 : Open res -> layout -> activity_main.xml (or) main.xml and add following code :


<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/rl"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <TextView
        android:id="@+id/textView1"
        android:textSize="20dp"
        android:textColor="#FF0000"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="60dp"
        android:text="Dynamic DigitalClock" />

</RelativeLayout>


Step 3 : Open src -> package -> MainActivity.java and add following code :

package com.gudivada.hemanthsomaraju;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.DigitalClock;
import android.widget.RelativeLayout;
import android.widget.Toast;
import android.widget.RelativeLayout.LayoutParams;

public class MainActivity extends Activity {

RelativeLayout rl;
DigitalClock clk;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
     
        rl = (RelativeLayout) findViewById(R.id.rl);
     
        clk = new DigitalClock (MainActivity.this);
     
        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams
         ((int) LayoutParams.WRAP_CONTENT, (int) LayoutParams.WRAP_CONTENT);
     
        params.addRule(RelativeLayout.CENTER_IN_PARENT);
     
        clk.setLayoutParams(params);
        clk.setTextSize(20);
     
        rl.addView(clk);
     
        clk.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), clk.getText().toString(),
Toast.LENGTH_SHORT).show();
}
});      
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
}


Step 4 : Open AndroidManifest.xml and add following code :

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.gudivada.hemanthsomaraju"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.gudivada.hemanthsomaraju.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

Step 5 : Our output will be like this :