Android Tutorial

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import java.text.SimpleDateFormat; import java.util.Calendar; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Color; import android.util.AttributeSet; import android.util.Log; import android.widget.TextView; public class DateView extends TextView { public String delimiter; public boolean fancyText; public DateView(Context context) { super(context); setDate(); } public DateView(Context context, AttributeSet attrs) { super(context, attrs); TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DateView ); final int N = a.getIndexCount(); for (int i = 0; i < N; ++i) { int attr = a.getIndex(i); } switch (attr) { case R.styleable.DateView_delimiter: delimiter = a.getString(attr); setDate(); break; case R.styleable.DateView_fancyText: fancyText = a.getBoolean(attr, false); fancyText(); break; } } a.recycle(); public DateView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); setDate(); } private void setDate() { SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy" + delimiter + "MM" + delimiter + "dd"); String today = dateFormat.format(Calendar.getInstance().getTime()); setText(today); // self = DateView = subclass of TextView } private void fancyText() { if( this.fancyText){ setShadowLayer(9, 1, 1, Color.rgb(44, 44, 40)); } } TUTORIALS POINT Simply Easy Learning
} Following will be the content of res/layout/activity_main.xml file: Following will be the content of res/values/strings.xml to define two new constants: DateViewDemo Settings Hello world! Following is the default content of <strong>Android</strong>Manifest.xml: TUTORIALS POINT Simply Easy Learning
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Android Tutorial
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ABOUT THE TUTORIAL Android Tutorial
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Accessing Resources ...............
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RadioButton .......................
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Web browser Multi-touch Multi-taski
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Alternatively, you could also right
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Step 4 - Setup Android Development
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Now select all the listed plug-ins
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CHAPTER 3 Architecture Android oper
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CHAPTER 4 Application Components Ap
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CHAPTER 5 Hello World Example Let u
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Anatomy of Android Application Befo
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else needed to run an Android appli
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The R File The gen/com.example.hell
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Congratulations!!! you have develop
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from the R.color class. drawable/ l
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Now you can set the text on a TextV
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onPause() onStop() onDestroy() The
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07-19 15:00:43.405: D/Android :(866
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To create an service, you create a
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} Example This example will take yo
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Following will be the content of
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To stop the service, you can click
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android:label="@string/app_name" an
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} { } Intent intent = new Intent();
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Now to broadcast our custom intent,
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CHAPTER 10 Content Providers A cont
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import android.net.Uri; import andr
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} super(context, DATABASE_NAME, nul
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} return count; } @Override public
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Now let's enter student Name and Gr
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You can write activities against up
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The application can embed two fragm
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Here is the list of important metho
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} } * Inflate the layout for this f
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To change the mode of the emulator
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CHAPTER 12 Intents and Filters An A
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16 17 18 19 20 21 22 23 24 25 26 27
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56 57 58 ACTION_VOICE_COMMAND Start
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21 CATEGORY_INFO Provides informati
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20 EXTRA_SHORTCUT_NAME The name of
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super.onCreate(savedInstanceState);
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Similar way you can launch phone in
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setContentView(R.layout.activity_ma
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Let's try to run
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Now if you select Browser, then And
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CHAPTER 13 UI Layouts The basic bui
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1 You will use Eclipse IDE to creat
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Relative Layout Android RelativeLay
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Example This example will take you
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android:layout_toLeftOf="@+id/times
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2 Modify the detault content of res
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android:layout_x android:layout_y T
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Following are the important attribu
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Android ListView is a view which gr
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android:id="@+id/country_list" andr
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Defines how columns should stretch
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HelloWorld Settings Following will
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Let's try to run our modified Hello
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int position, long id) { // Send in
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android:targetSdkVersion="17" />
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Kindly note above mentioned images
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fill_horizontal 0x07 Grow the horiz
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suggestions automatically while the
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normal - 0 sans - 1 serif - 2 mo
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android:name="com.example.guidemo.M
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Inherited from android.view.View Cl
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Following will be the content of re
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Exercise: I will recommend to try a
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} } Following will be the content o
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Exercise: I will recommend to try a
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tnProduct.setOnClickListener(new On
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android:label="@string/app_name" an
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android:background android:contentD
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Following is the default content of
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android:background android:contentD
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esult.append("\nPerl Selection : ")
Page 155 and 156: Let's try to run your GUIDemo6 appl
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Page 161 and 162: Exercise: I will recommend to try a
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Page 167 and 168: package com.example.guidemo9; impor
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Page 173 and 174: CHAPTER 15 Event Handling Events ar
Page 175 and 176: import android.app.Activity; import
Page 177 and 178: installs the app on your AVD and st
Page 179 and 180: Now you try to click on two buttons
Page 181 and 182: Again let's try to run your EventD
Page 183 and 184: Defining Styles A style is defined
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Page 187 and 188: Let's try to run your StyleDemo a
Page 189 and 190: Following example demonstrates how
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Page 193 and 194: CHAPTER 17 Custom Components Androi
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Page 211 and 212: } } /* Invoking the default notific
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