<layoutAnimation xmlns:android="http://schemas.android.com/apk/res/android"
android:delay="50%"
android:animation="@anim/scale" />
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/accelerate_interpolator">
<scale
android:fromXScale="0.1"
android:toXScale="1"
android:fromYScale="0.1"
android:toYScale="1.0"
android:duration="2000"
android:pivotX="10%"
android:pivotY="10%"
android:startOffset="100" />
</set>
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, COUNTRIES));
getListView().setTextFilterEnabled(true);
LayoutAnimationController controller
= AnimationUtils.loadLayoutAnimation(
this, R.anim.list_layout_controller);
getListView().setLayoutAnimation(controller);
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<Button
android:id="@+id/selectCountryButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Select Country"
/>
<TextView
android:id="@+id/myCountry"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
/>
</LinearLayout>
package com.exercise.AndroidListView;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class AndroidListView extends Activity {
TextView MyCountry;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
MyCountry = (TextView)findViewById(R.id.myCountry);
Button SelectCountryButton = (Button)findViewById(R.id.selectCountryButton);
SelectCountryButton.setOnClickListener(SelectCountryButtonOnClickListener);
}
private Button.OnClickListener SelectCountryButtonOnClickListener =
new Button.OnClickListener()
{
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent();
intent.setClass(AndroidListView.this, AndroidListActivity.class);
startActivityForResult(intent, 0);
}
};
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if (requestCode==0)
{
switch (resultCode)
{ case RESULT_OK:
MyCountry.setText(data.getStringExtra("country"));
break;
case RESULT_CANCELED:
break;
}
}
}
}
package com.exercise.AndroidListView;
import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class AndroidListActivity extends ListActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, COUNTRIES));
getListView().setTextFilterEnabled(true);
}
static final String[] COUNTRIES = new String[] {
"Afghanistan", "Albania", "Algeria", "American Samoa",
"Andorra", "Angola", "Anguilla", "Antarctica",
"Antigua and Barbuda", "Argentina", "Armenia", "Aruba",
"Australia", "Austria", "Azerbaijan", "Bahrain",
"Bangladesh", "Barbados", "Belarus", "Belgium", "Belize",
"Benin", "Bermuda", "Bhutan", "Bolivia",
"Bosnia and Herzegovina", "Botswana", "Bouvet Island",
"Brazil", "British Indian Ocean Territory",
"British Virgin Islands", "Brunei", "Bulgaria",
"Burkina Faso", "Burundi", "Cote d'Ivoire", "Cambodia",
"Cameroon", "Canada", "Cape Verde", "Cayman Islands",
"Central African Republic", "Chad", "Chile", "China",
"Christmas Island", "Cocos (Keeling) Islands", "Colombia",
"Comoros", "Congo", "Cook Islands", "Costa Rica", "Croatia",
"Cuba", "Cyprus", "Czech Republic",
"Democratic Republic of the Congo", "Denmark", "Djibouti",
"Dominica", "Dominican Republic", "East Timor", "Ecuador",
"Egypt", "El Salvador", "Equatorial Guinea", "Eritrea",
"Estonia", "Ethiopia", "Faeroe Islands", "Falkland Islands",
"Fiji", "Finland", "Former Yugoslav Republic of Macedonia",
"France", "French Guiana", "French Polynesia",
"French Southern Territories", "Gabon", "Georgia", "Germany",
"Ghana", "Gibraltar", "Greece", "Greenland", "Grenada",
"Guadeloupe", "Guam", "Guatemala", "Guinea", "Guinea-Bissau",
"Guyana", "Haiti", "Heard Island and McDonald Islands",
"Honduras", "Hong Kong", "Hungary", "Iceland", "India",
"Indonesia", "Iran", "Iraq", "Ireland", "Israel", "Italy",
"Jamaica", "Japan", "Jordan", "Kazakhstan", "Kenya", "Kiribati",
"Kuwait", "Kyrgyzstan", "Laos", "Latvia", "Lebanon", "Lesotho",
"Liberia", "Libya", "Liechtenstein", "Lithuania", "Luxembourg",
"Macau", "Madagascar", "Malawi", "Malaysia", "Maldives", "Mali",
"Malta", "Marshall Islands", "Martinique", "Mauritania",
"Mauritius", "Mayotte", "Mexico", "Micronesia", "Moldova",
"Monaco", "Mongolia", "Montserrat", "Morocco", "Mozambique",
"Myanmar", "Namibia", "Nauru", "Nepal", "Netherlands",
"Netherlands Antilles", "New Caledonia", "New Zealand",
"Nicaragua", "Niger", "Nigeria", "Niue", "Norfolk Island",
"North Korea", "Northern Marianas", "Norway", "Oman", "Pakistan",
"Palau", "Panama", "Papua New Guinea", "Paraguay", "Peru",
"Philippines", "Pitcairn Islands", "Poland", "Portugal",
"Puerto Rico", "Qatar", "Reunion", "Romania", "Russia", "Rwanda",
"Sqo Tome and Principe", "Saint Helena", "Saint Kitts and Nevis",
"Saint Lucia", "Saint Pierre and Miquelon",
"Saint Vincent and the Grenadines", "Samoa", "San Marino",
"Saudi Arabia", "Senegal", "Seychelles", "Sierra Leone",
"Singapore", "Slovakia", "Slovenia", "Solomon Islands", "Somalia",
"South Africa", "South Georgia and the South Sandwich Islands",
"South Korea", "Spain", "Sri Lanka", "Sudan", "Suriname",
"Svalbard and Jan Mayen", "Swaziland", "Sweden", "Switzerland",
"Syria", "Taiwan", "Tajikistan", "Tanzania", "Thailand",
"The Bahamas", "The Gambia", "Togo", "Tokelau", "Tonga",
"Trinidad and Tobago", "Tunisia", "Turkey", "Turkmenistan",
"Turks and Caicos Islands", "Tuvalu", "Virgin Islands", "Uganda",
"Ukraine", "United Arab Emirates", "United Kingdom",
"United States", "United States Minor Outlying Islands",
"Uruguay", "Uzbekistan", "Vanuatu", "Vatican City", "Venezuela",
"Vietnam", "Wallis and Futuna", "Western Sahara", "Yemen",
"Yugoslavia", "Zambia", "Zimbabwe"
};
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
// TODO Auto-generated method stub
super.onListItemClick(l, v, position, id);
Intent intent = new Intent();
Bundle bundle = new Bundle();
bundle.putString("country", l.getItemAtPosition(position).toString());
intent.putExtras(bundle);
setResult(RESULT_OK, intent);
finish();
}
}
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.exercise.AndroidListView"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".AndroidListView"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".AndroidListActivity"></activity>
</application>
<uses-sdk android:minSdkVersion="3" />
</manifest>
Download the files.
<layoutAnimation xmlns:android="http://schemas.android.com/apk/res/android"
android:delay="50%"
android:animation="@anim/scale" />
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/accelerate_interpolator">
<scale
android:fromXScale="0.1"
android:toXScale="1"
android:fromYScale="0.1"
android:toYScale="1.0"
android:duration="2000"
android:pivotX="10%"
android:pivotY="10%"
android:startOffset="100" />
</set>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<ListView
android:id="@+id/myListView"
android:persistentDrawingCache="animation|scrolling"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layoutAnimation="@anim/list_layout_controller" />
/>
<Button
android:id="@+id/myRestartButton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Restart"
/>
</LinearLayout>
package com.exercise.AndroidLayoutAnimation;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
public class AndroidLayoutAnimation extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
loadScreen();
}
private Button.OnClickListener MyRestartButtonOnClickListener
= new Button.OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
loadScreen();
}
};
private void loadScreen(){
setContentView(R.layout.main);
SetupListView();
Button MyRestartButton = (Button)findViewById(R.id.myRestartButton);
MyRestartButton.setOnClickListener(MyRestartButtonOnClickListener);
}
private void SetupListView()
{
String[] listItems = new String[] {
"Hello!",
"It's a Demo to use Layout Animation",
"Is it Great?",
"android-er.blogspot.com"
};
ArrayAdapter<String> listItemAdapter
= new ArrayAdapter<String>(
this,
android.R.layout.simple_list_item_1,
listItems);
ListView lv = (ListView)this.findViewById(R.id.myListView);
lv.setAdapter(listItemAdapter);
}
}
<animation-list
xmlns:android="http://schemas.android.com/apk/res/android"
>
<item android:drawable="@drawable/arrow_01" android:duration="100" />
<item android:drawable="@drawable/arrow_02" android:duration="100" />
<item android:drawable="@drawable/arrow_03" android:duration="100" />
<item android:drawable="@drawable/arrow_04" android:duration="100" />
</animation-list>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<Button
android:id="@+id/myStartButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Start"
/>
<Button
android:id="@+id/myStopButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Stop"
/>
<ImageView
android:id="@+id/myImageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
/>
</LinearLayout>
package com.exercise.AndroidAnimationDrawable;
import android.app.Activity;
import android.graphics.drawable.AnimationDrawable;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
public class AndroidAnimationDrawable extends Activity {
AnimationDrawable AniFrame;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button MyStartButton = (Button)findViewById(R.id.myStartButton);
MyStartButton.setOnClickListener(MyStartButtonOnClickListener);
Button MyStopButton = (Button)findViewById(R.id.myStopButton);
MyStopButton.setOnClickListener(MyStopButtonOnClickListener);
ImageView MyImageView = (ImageView)findViewById(R.id.myImageView);
MyImageView.setBackgroundResource(R.drawable.arrow_animation);
AniFrame = (AnimationDrawable) MyImageView.getBackground();
}
Button.OnClickListener MyStartButtonOnClickListener =
new Button.OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
AniFrame.start();
}
};
Button.OnClickListener MyStopButtonOnClickListener =
new Button.OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
AniFrame.stop();
}
};
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:text="User Name and Password"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="User Name:"
/>
<EditText
android:id="@+id/username"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Password:"
/>
<EditText
android:id="@+id/password"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:inputType="textPassword"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="What are you doing?"
/>
<EditText
android:id="@+id/whatareyoudoing"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<Button
android:id="@+id/mySubmit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Submit"
/>
</LinearLayout>
package com.exercise.AndroidTwitterClient;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import org.apache.commons.codec.binary.Base64;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class AndroidTwitterClient extends Activity {
EditText MyUsername;
EditText MyPassword;
EditText MyStatus;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button MySubmitButton = (Button)findViewById(R.id.mySubmit);
MySubmitButton.setOnClickListener(MySubmitButtonOnClickListener);
MyUsername = (EditText)findViewById(R.id.username);
MyPassword = (EditText)findViewById(R.id.password);
MyStatus = (EditText)findViewById(R.id.whatareyoudoing);
}
private Button.OnClickListener MySubmitButtonOnClickListener
= new Button.OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (SendTwitter(MyUsername.getText().toString(),
MyPassword.getText().toString(),
MyStatus.getText().toString())){
Toast.makeText(AndroidTwitterClient.this,
"OK", Toast.LENGTH_SHORT).show();
}
else{
Toast.makeText(AndroidTwitterClient.this,
"ERROR", Toast.LENGTH_SHORT).show();
}
}
};
public static boolean SendTwitter(String twitteruser,
String twitterpass, String msg) {
boolean result = true;
try {
//String twitteruser = "android_er";
//String twitterpass = "pass_word";
URLConnection connection = null;
String credentials = twitteruser + ":" + twitterpass;
String encodecredentials =
new String(Base64.encodeBase64(credentials.getBytes()));
URL url = new URL("http://twitter.com/statuses/update.xml");
String encodedData = URLEncoder.encode(msg, "UTF-8");
connection = url.openConnection();
connection.setRequestProperty( "Authorization",
"Basic " + encodecredentials);
connection.setDoOutput(true);
OutputStreamWriter out = new
OutputStreamWriter(connection.getOutputStream());
out.write("status=" + encodedData);
out.close();
BufferedReader in = new BufferedReader(
new InputStreamReader(connection.getInputStream()));
while (in.readLine() != null) {
}
in.close();
} catch (Exception e) {
result = false;
}
return result;
}
}