Question

在android中，我试图为一个Android应用创建两个具有独立布局和功能的主屏幕小部件。这些小部件最初会正确显示，但是在调用update之后，这些小部件已从两个不同的小部件更改为两个相同的小部件。

最初，此代码将创建带有计数器的蓝色和绿色小部件。最初会正常显示，但是在调用更新时，它们都变成蓝色并且计数不正确。

我确保每个小部件都有一个单独的提供程序类我已经检查了每个小部件的功能，它们分别可以正常工作

这是更新小部件的主要活动：

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        this.findViewById(R.id.textTXT1).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AppWidgetManager man = AppWidgetManager.getInstance(MainActivity.this);
                int[] ids = man.getAppWidgetIds(new ComponentName(MainActivity.this, Widget1.class));
                Intent updateIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
                updateIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids);
                sendBroadcast(updateIntent);
            }
        });

        this.findViewById(R.id.textTXT2).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AppWidgetManager man = AppWidgetManager.getInstance(MainActivity.this);
                int[] ids = man.getAppWidgetIds(new ComponentName(MainActivity.this, Widget2.class));
                Intent updateIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
                updateIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids);
                sendBroadcast(updateIntent);
            }
        });
    }
}

Widget1：

public class Widget1 extends AppWidgetProvider {
    static int count = 0;
    static void updateAppWidget(Context context, AppWidgetManager appWidgetManager,
                                int appWidgetId) {

        String widgetText = "" + count;
        count++;
        // Construct the RemoteViews object
        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget1);
        views.setTextViewText(R.id.appwidget_text, widgetText);

        // Instruct the widget manager to update the widget
        appWidgetManager.updateAppWidget(appWidgetId, views);
    }

    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        // There may be multiple widgets active, so update all of them
        for (int appWidgetId : appWidgetIds) {
            updateAppWidget(context, appWidgetManager, appWidgetId);
        }
    }

    @Override
    public void onEnabled(Context context) {
        // Enter relevant functionality for when the first widget is created
    }

    @Override
    public void onDisabled(Context context) {
        // Enter relevant functionality for when the last widget is disabled
    }
}

Widget2：

public class Widget2 extends AppWidgetProvider {
    static int count = 0;
    static void updateAppWidget(Context context, AppWidgetManager appWidgetManager,
                                int appWidgetId) {

        String widgetText = "" + count;
        count++;
        // Construct the RemoteViews object
        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget2);
        views.setTextViewText(R.id.appwidget_text, widgetText);

        // Instruct the widget manager to update the widget
        appWidgetManager.updateAppWidget(appWidgetId, views);
    }

    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        // There may be multiple widgets active, so update all of them
        for (int appWidgetId : appWidgetIds) {
            updateAppWidget(context, appWidgetManager, appWidgetId);
        }
    }

    @Override
    public void onEnabled(Context context) {
        // Enter relevant functionality for when the first widget is created
    }

    @Override
    public void onDisabled(Context context) {
        // Enter relevant functionality for when the last widget is disabled
    }
}

//单独的提供商

多个主屏幕小部件android的问题

0 个答案: