ListView add item click item basic Android example code
Definition of ListView in layout main.xml file Android example
Code in Main.java ListView example source code Java Android
<ListView android:id="@+id/idListView"
android:background="#7700CC00"
android:layout_height="wrap_content"
android:layout_width="fill_parent" />
Code in Main.java ListView example source code Java Android
public class Main extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ListView mlistView = (ListView) findViewById(R.id.idListView);
mlistView.setAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1,
new String[] {"Game", "Help", "Home site"}));
mlistView.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// When clicked, show a toast with the TextView text Game, Help, Home
Toast.makeText(getApplicationContext(), ((TextView) view).getText(),
Toast.LENGTH_SHORT).show();
}
});
}
}
396LW NO topic_id
AD
Další témata ....(Topics)
If the app have transparent menu and you do not want this,
try delete @style/AppTheme in application tag in AndroidManifest.xml
and try run module - project. If menu is not transparent , maybe it caused
Or try set values\styles.xml into basic Theme
try delete @style/AppTheme in application tag in AndroidManifest.xml
and try run module - project. If menu is not transparent , maybe it caused
<application
android:allowBackup="true"
android:icon="@drawable/dicts_ico"
android:label="@string/app_name"
android:theme="@style/AppTheme" // delete this row - run app - try menu
>
Or try set values\styles.xml into basic Theme
<resources>
<!--
Base application theme, dependent on API level. This theme is replaced
by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
-->
<style name="AppBaseTheme" parent="android:Theme.Black">
<!--
Theme customizations available in newer API levels can go in
res/values-vXX/styles.xml, while customizations related to
backward-compatibility can go here.
-->
</style>
<!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
<!-- All customizations that are NOT specific to a particular API-level can go here. -->
</style>
</resources>
public class MainActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
LinearLayout layout = (LinearLayout) findViewById(R.id.layout);
TextView textView = new TextView(this);
textView.setText("Text View ");
LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.FILL_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT
);
layout.addView(textView, p);
Button buttonView = new Button(this);
buttonView.setText("Button");
buttonView.setOnClickListener(mThisButtonListener);
layout.addView(buttonView, p);
}
private OnClickListener mThisButtonListener = new OnClickListener() {
public void onClick(View v) {
Toast.makeText(MainActivity.this, "Hello !",
Toast.LENGTH_LONG).show();
}
};
}
If you using GoogleAdMobAdsSdk-4.0.4.jar in your project and set android:targetSdkVersion="17" in AndroidManifest.xml , ads will not visible on emulator with Android 4.0.3 or 4.1.
You have to set as android:targetSdkVersion="17"
Update project.properties file - row with target to 17:
You have to set as android:targetSdkVersion="17"
<uses-sdk android:minSdkVersion="4"
android:targetSdkVersion="17" />
Update project.properties file - row with target to 17:
# Project target.
target=android-17
Convert number int to string Android Java example source code.
int n = 0;
try {
n = Integer.parseInt("21"));
} catch(NumberFormatException e) {
System.out.println("Could not parse " + e);
}
// int to string
String s = String.valueOf(24);
No resource found that matches the given name - error examples.
Exist resource file?
Is code written correctly?
Exist resource file?
Is code written correctly?
// No resource found that matches the given name (at id with value @id/myButton).
android:id="@id/myButton" // invalid id notation
android:id="@+id/myButton" // correct
// No resource found that matches the given name
// (at icon with value @drawable/icons).
// exist file icons in res/drawable folder?
<application android:icon="@drawable/icons"
//No resource found that matches the given name
//(at theme with value @style/MyThem).
<activity android:name=".Main"
android:label="@string/app_name"
android:theme="@style/MyThem">
// Exist style MyThem in styles.xml ? No only MyTheme
<style name="MyTheme" parent="android:Theme">
<item name="android:windowTitleSize">50px</item>
</style>
// exist file my_background in folder drawable ?
android:background="@drawable/my_background" //
// no resource found that matches the given name(at "label" with value "@string/app_name")
// have you the string resource defined in res/values/strings.xml ?
<string name="app_name">"My App"</string>
Editace: 2011-09-16 11:48:11
Počet článků v kategorii: 396
Url:listview-add-item-click-item-basic-android-example-code