android.content.Context#startActivities ( )源码实例Demo

@Override
public void execute(Context context, ContentProviderClient contentProviderClient, RowDataSnapshot<TaskContract.Instances> rowSnapshot, Uri taskUri) throws RemoteException, OperationApplicationException
{
    // TODO: check if it's still a good idea to build a custom stack
    // Creates an explicit intent for an Activity in your app
    Intent resultIntent = new Intent(Intent.ACTION_VIEW);
    resultIntent.setData(taskUri);

    // The stack builder object will contain an artificial back stack for the
    // started Activity.
    // This ensures that navigating backward from the Activity leads out of
    // your application to the Home screen.
    TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
    // Adds the Intent that starts the Activity to the top of the stack
    stackBuilder.addNextIntent(resultIntent);
    context.startActivities(stackBuilder.getIntents());
}
 

private void reStartActivity(Intent intent, Context context) {
    Intent[] intents = new Intent[2];
    Intent mainIntent = new Intent(context, MainActivity.class);
    mainIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intents[0] = mainIntent;
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intents[1] = intent;
    context.startActivities(intents);
}
 

private void reStartActivity(Intent intent, Context context) {
    Intent[] intents = new Intent[2];
    Intent mainIntent = new Intent(context, MainActivity.class);
    mainIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intents[0] = mainIntent;
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intents[1] = intent;
    context.startActivities(intents);
}
 

/**
 * 注意，为何要这样跳转，首先需要先跳转首页，然后在跳转到指定页面，那么回来的时候始终是首页Main页面
 * @param intent                            intent
 * @param context                           上下文
 */
public void reStartActivity(Intent intent, Context context) {
    Intent[] intents = new Intent[2];
    Intent mainIntent = new Intent(context, MainActivity.class);
    mainIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intents[0] = mainIntent;
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intents[1] = intent;
    context.startActivities(intents);
}
 

private static void startActivities(final Intent[] intents,
                                    final Context context,
                                    @Nullable final Bundle options) {
    if (!(context instanceof Activity)) {
        for (Intent intent : intents) {
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        }
    }
    if (options != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        context.startActivities(intents, options);
    } else {
        context.startActivities(intents);
    }
}
 

@Override
public void onReceive(Context context, Intent intent) {

	// 判断app进程是否存活
	if (SystemUtils.isAppAlive(context, "net.coollet.infzmreader")) {
		Log.i("NotificationReceiver", "the app process is alive");
		Intent mainIntent = new Intent(context, MainActivity.class);
		mainIntent.putExtra("ID", intent.getIntExtra("ID", 0));
		mainIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

		Intent detailIntent = new Intent(context,
				MainActivity.class);
		detailIntent.putExtra("ID", intent.getIntExtra("ID", 0));

		Intent[] intents = { mainIntent, detailIntent };

		context.startActivities(intents);
	} else {
		Log.i("NotificationReceiver", "the app process is dead");
		Intent launchIntent = context.getPackageManager()
				.getLaunchIntentForPackage("net.coollet.infzmreader");
		launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
				| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
		launchIntent.putExtra("ID", intent.getIntExtra("ID", 0));
		context.startActivity(launchIntent);
	}
}
 

static void a(Context context, Intent aintent[])
{
    context.startActivities(aintent);
}
 

public static void a(Context context, Intent aintent[], Bundle bundle)
{
    context.startActivities(aintent, bundle);
}
 

static void startActivities(Context context, Intent[] intents) {
    context.startActivities(intents);
}
 

public static void startActivities(Context context, Intent[] intents, Bundle options) {
    context.startActivities(intents, options);
}
 

static void startActivities(Context context, Intent[] intents) {
    context.startActivities(intents);
}
 

public static void startActivities(Context context, Intent[] intents, Bundle options) {
    context.startActivities(intents, options);
}
 

static void startActivities(Context context, Intent[] intents) {
    context.startActivities(intents);
}
 

public static void startActivities(Context context, Intent[] intents, Bundle options) {
    context.startActivities(intents, options);
}
 

static void startActivities(Context context, Intent[] intents) {
    context.startActivities(intents);
}
 

public static void startActivities(Context context, Intent[] intents, Bundle options) {
    context.startActivities(intents, options);
}