Android Widget (2) use configure and androidwidget

Android Widget (2) use configure and androidwidget

You need to perform some operations before adding Widgets. You can use the configuration activity.

Add the configuration activity (configure = activity) on the basis of the previous implementation ). When a Widget is added, an Activity is opened for configuration,

<appwidget-provider....android:configure="com.stone.ui.AppWidgetConfigureActivity" ></appwidget-provider>

Configuration activity implementation:

Package com. stone. ui; import android. app. activity; import android. appwidget. appWidgetHost; import android. appwidget. appWidgetManager; import android. content. intent; import android. OS. bundle; import android. view. view; import android. view. view. onClickListener; import android. widget. button; import com. stone. r;/** configuration part * Add setResult (RESULT_CANCLE) before setContentView () function in onCreate. If the BACK button is pressed before Activity Initialization is complete, the Wid Get will not start; * after the setContentView () function (not necessarily in onCreate, before the Activity exits ), add the following settings to specify the widgets to be started */public class AppWidgetConfigureActivity extends Activity implements OnClickListener {Button config1, config2, config3; @ Overrideprotected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); Intent intent = getIntent (); Bundle extras = intent. getExtras (); if (extras! = Null) {int widgetid = extras. getInt (AppWidgetManager. EXTRA_APPWIDGET_ID,-1); // obtain the widgetid from the intent. // the notification that the appwdiget configuration has canceled Intent reslut = new Intent (); reslut. putExtra (AppWidgetManager. EXTRA_APPWIDGET_ID, widgetid); setResult (RESULT_CANCELED, reslut); System. out. println ("result cancel");} setContentView (R. layout. switch_configure); config1 = (Button) findViewById (R. id. btn_config1); config2 = (Button) findVi EwById (R. id. btn_config2); config3 = (Button) findViewById (R. id. btn_config3); config1.setOnClickListener (this); config2.setOnClickListener (this); config3.setOnClickListener (this);} @ Overrideprotected void onResume () {super. onResume ();} private void onCompletedConfigure () {Intent intent = getIntent (); Bundle extras = intent. getExtras (); if (extras! = Null) {int widgetid = extras. getInt (AppWidgetManager. EXTRA_APPWIDGET_ID,-1); // obtain the widgetid from the intent // notify that the appwdiget configuration has been completed Intent reslut = new Intent (); reslut. putExtra (AppWidgetManager. EXTRA_APPWIDGET_ID, widgetid); setResult (RESULT_ OK, reslut); System. out. println ("result OK"); finish (); System. out. println ("finish OK") ;}@ Overridepublic void onClick (View v) {if (v = config1) {// do config1} else if (v = config2) {// do config2} else if (v = config3) {// do config3} onCompletedConfigure ();}}

Switch_configure.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <Button     android:id="@+id/btn_config1"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="config1"/><Button     android:id="@+id/btn_config2"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="config2"/><Button     android:id="@+id/btn_config3"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="config3"/></LinearLayout>

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