Example usage for android.content Intent addCategory

Introduction

In this page you can find the example usage for android.content Intent addCategory.

Prototype

public @NonNull Intent addCategory(String category)

Source Link

Document

Add a new category to the intent.

Usage

From source file:Main.java

public static void showDesk(Context context) {
    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.addCategory(Intent.CATEGORY_HOME);
    context.startActivity(intent);/*from www  . j av a  2  s .c  o  m*/
}

From source file:Main.java

public static void openFileBrowser(Activity a, int requestCode) {
    Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
    intent.setType("*/*");
    intent.addCategory(Intent.CATEGORY_OPENABLE);
    a.startActivityForResult(intent, requestCode);
}

From source file:Main.java

public static void goLocationSettingPage(Context context) {
    Intent intent = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);
    intent.addCategory(Intent.CATEGORY_DEFAULT);

    context.startActivity(intent);/* ww w  .j a v a 2 s  . c om*/
    // context.startActivity(new
    // Intent(android.provider.Settings.ACTION_LOCALE_SETTINGS));
}

From source file:Main.java

/**
 * Returns an intent to start K-9 Mail./*from w w  w  .  j  a va2 s  . c om*/
 *
 * @param context
 *         Used to retrieve the package manager.
 *
 * @return An intent to start K-9 Mail's main activity, or {@code null} in case of an error.
 */
public static final Intent getStartK9Intent(Context context) {
    try {
        PackageManager manager = context.getPackageManager();
        Intent intent = manager.getLaunchIntentForPackage(PACKAGE_NAME);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        return intent;
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static AlertDialog initOrbot(Activity activity, CharSequence stringTitle, CharSequence stringMessage,
        CharSequence stringButtonYes, CharSequence stringButtonNo, CharSequence stringDesiredBarcodeFormats) {
    Intent intentScan = new Intent("org.torproject.android.START_TOR");
    intentScan.addCategory(Intent.CATEGORY_DEFAULT);

    try {// w w w .  ja  v a 2  s .  c om
        activity.startActivityForResult(intentScan, REQUEST_CODE);
        return null;
    } catch (ActivityNotFoundException e) {
        return showDownloadDialog(activity, stringTitle, stringMessage, stringButtonYes, stringButtonNo);
    }
}

From source file:Main.java

/**
 * open another app/*from  w  ww .j a  v a2  s .  c o  m*/
 * @param context
 * @param packageName
 * @throws NameNotFoundException 
 */
public static void openApp(Context context, String packageName) throws NameNotFoundException {
    PackageInfo pi = context.getPackageManager().getPackageInfo(packageName, 0);

    Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
    resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);
    resolveIntent.setPackage(pi.packageName);

    List<ResolveInfo> apps = context.getPackageManager().queryIntentActivities(resolveIntent, 0);

    Iterator<ResolveInfo> iterator = apps.iterator();
    while (iterator.hasNext()) {
        ResolveInfo ri = iterator.next();
        if (ri != null) {
            packageName = ri.activityInfo.packageName;
            String className = ri.activityInfo.name;
            Intent intent = new Intent(Intent.ACTION_MAIN);
            intent.addCategory(Intent.CATEGORY_LAUNCHER);
            ComponentName cn = new ComponentName(packageName, className);
            intent.setComponent(cn);
            context.startActivity(intent);
        }
    }
}

From source file:Main.java

public static void installApk(Context context, File apkfile) {
    Intent intent = new Intent();
    intent.setAction("android.intent.action.VIEW");
    intent.addCategory("android.intent.category.DEFAULT");
    intent.setType("application/vnd.android.package-archive");
    intent.setData(Uri.fromFile(apkfile));
    intent.setDataAndType(Uri.fromFile(apkfile), "application/vnd.android.package-archive");
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    context.startActivity(intent);//ww w.  j a v a 2 s. com
}

From source file:Main.java

/**
 * @return an {@code Intent} to launch the given {@code packageName, name} with {@code replaceKey}.
 *//* w ww  .ja va2  s .co m*/
public static Intent createMushroomLaunchingIntent(String packageName, String name, String replaceKey) {
    Intent intent = new Intent(ACTION);
    intent.setComponent(new ComponentName(packageName, name));
    intent.addCategory(CATEGORY);
    intent.putExtra(KEY, replaceKey);
    return intent;
}

From source file:Main.java

public static String getLaunchActivityName(Context context) {
    PackageManager localPackageManager = context.getPackageManager();
    Intent localIntent = new Intent("android.intent.action.MAIN");
    localIntent.addCategory("android.intent.category.LAUNCHER");
    try {//from w w  w  .j av a  2 s  .  c  om
        Iterator<ResolveInfo> localIterator = localPackageManager.queryIntentActivities(localIntent, 0)
                .iterator();
        while (localIterator.hasNext()) {
            ResolveInfo localResolveInfo = localIterator.next();
            if (!localResolveInfo.activityInfo.applicationInfo.packageName
                    .equalsIgnoreCase(context.getPackageName()))
                continue;
            String str = localResolveInfo.activityInfo.name;
            return str;
        }
    } catch (Exception localException) {
        return null;
    }
    return null;
}

From source file:Main.java

public static void installApk(Context context, File file) {

    Intent intent = new Intent();
    intent.setAction("android.intent.action.VIEW");
    intent.addCategory("android.intent.category.DEFAULT");
    intent.setType("application/vnd.android.package-archive");
    intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    context.startActivity(intent);//from w  w w .  j a v  a2 s. c  o m

}