Bansteen

Tuesday, October 2, 2012

Android - How to detect end of scroll inside List View

Step 1: Set the scroll listener of the list view like below.

list.setOnScrollListener(new OnScrollListener() {});

Step 2: Override the onScroll function and copy/paste the following code

@Override

public void onScroll(AbsListView view, int firstVisibleItem,

int visibleItemCount, int totalItemCount) {

if (list.getLastVisiblePosition() == list.getAdapter().getCount() - 1

&& list.getChildAt(list.getChildCount() - 1).getBottom() <= list.getHeight()) {

//scroll end reached

//Write your code here

}

Sunday, July 29, 2012

How to build android project with Ant ?

Replace () with your own value

Step 1: cd to project directory

Step 2: android update project -p .

Step 3: linux/unix: nano ant.properties
windows: notepad ant.properties

Step 4: input the following:

key.store=(path of key store file )/.keystore
key.alias=(name of alias)
key.store.password=(password of key store)
key.alias.password=(password of key alias)

Step 5:
ant release;
adb install -r bin/(generated file name).apk;
adb shell am start -a android.intent.action.MAIN -n (package name)/(package name).(activity name)

To make life easier, put step 5 inside a bash script and run it :)

Ant でAndroidプロジェクトをビルド方法：(in Japanese)
ーーーーーーーーーーーーーーーーーーー

Step 1: コマンドプロンプトでプロジェクトフォルダの中に移動する　（cd コマンド）

Step 2: android update project -p .

Step 3: notepad ant.properties

Step 4: 下記を記載して保存
key.store=??/.keystore
key.alias=??
key.store.password=??
key.alias.password=??

Step 5: ant release;adb install -r bin/.apk;adb shell am start -a android.intent.action.MAIN -n package name/package name.activity name

Wednesday, July 4, 2012

Android - Soft keyboard does not hide after done is pressed ?

Just add the following as textbox property

android:imeOptions="actionDone"

Tuesday, July 3, 2012

Android - Change the default focus inside a Alert dialogue

set on focus change for any object inside the dialog.

@Override

public void onFocusChange(View view, boolean hasFocus) {

// Set focus where ever you want according to your custom logic

// for example to focus on the positive button after a webview scroll

// web is the webview and the buttons are initialized inside onCreateDialog

if(!web.isFocused() && !positiveButton.isFocused() && negativeButton.isFocused()){

positiveButton.requestFocus();

}

Android - How to detect scroll inside webview?

Create a custom webview class which extends of course webview :)

public class CustomWebView extends WebView

Override the following method

@Override

protected void onScrollChanged(int l, int t, int oldl, int oldt)

int l is x, int is y

Thats it :)

Android - Can not focus into objects inside listview?

listView.setItemsCanFocus(true);//self explanatory

Edit the view that you want to add inside the listview. Add the following property.
android:descendantFocusability="afterDescendants"

The End :)