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 Intent getPptFileIntent(String param) {

    Intent intent = new Intent("android.intent.action.VIEW");
    intent.addCategory("android.intent.category.DEFAULT");
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    Uri uri = Uri.fromFile(new File(param));
    intent.setDataAndType(uri, "application/vnd.ms-powerpoint");
    return intent;
}

From source file:Main.java

public static Intent getChmFileIntent(String param) {

    Intent intent = new Intent("android.intent.action.VIEW");
    intent.addCategory("android.intent.category.DEFAULT");
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    Uri uri = Uri.fromFile(new File(param));
    intent.setDataAndType(uri, "application/x-chm");
    return intent;
}

From source file:Main.java

public static List<ResolveInfo> getInstalledAppsByActionMainIntent(Context context) {
    final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
    mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
    return context.getPackageManager().queryIntentActivities(mainIntent, 0);
}

From source file:Main.java

private static void prepareRestartAppIntent(Intent i) {
    i.setAction(Intent.ACTION_MAIN);//www  .ja  v  a2 s  .  c om
    i.addCategory(Intent.CATEGORY_LAUNCHER);
    i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
    i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
}

From source file:Main.java

public static ResolveInfo getResolveInfo(PackageManager pm, String packageName) {
    Intent intent = new Intent(Intent.ACTION_MAIN, null);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    intent.setPackage(packageName);// w w w  .  j a  va  2 s . co m
    List<ResolveInfo> apps = pm.queryIntentActivities(intent, 0);
    if (apps != null && apps.size() > 0) {
        return apps.get(0);
    }
    return null;
}

From source file:Main.java

private static Intent getIntentByType(String param, String type) {
    Intent intent = new Intent("android.intent.action.VIEW");
    intent.addCategory("android.intent.category.DEFAULT");
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    Uri uri = Uri.fromFile(new File(param));
    intent.setDataAndType(uri, type);// w w w.  j ava  2  s.c o  m
    return intent;
}

From source file:Main.java

public static void addHome(Context context) {
    Intent homeIntent = new Intent("android.intent.action.MAIN");
    homeIntent.addCategory("android.intent.category.HOME");
    homeIntent.addCategory("android.intent.category.DEFAULT");
    Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
    chooserIntent.putExtra(Intent.EXTRA_INTENT, homeIntent);
    context.startActivity(chooserIntent);

}

From source file:Main.java

public static void openPDF(Context context, String path) {
    Intent intent = new Intent("android.intent.action.VIEW");
    intent.addCategory("android.intent.category.DEFAULT");
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    Uri uri = Uri.fromFile(new File(path));
    intent.setDataAndType(uri, "application/pdf");
    try {/*from  w ww  .  j av a 2  s.co m*/
        context.startActivity(intent);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static String getLActivityName(Context context) {
    Intent intent = new Intent(Intent.ACTION_MAIN, null);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);

    List<ResolveInfo> resolvInfos = context.getPackageManager().queryIntentActivities(intent, 0);

    String launcherActivityName = "";
    for (int i = 0; i < resolvInfos.size(); i++) {
        launcherActivityName = resolvInfos.get(i).activityInfo.name;
    }//from   ww w  . ja v  a  2s .  c  o  m

    return launcherActivityName;
}

From source file:Main.java

public static Intent getOpenFileIntent(File file) {
    if (file == null || !file.exists() || !file.isFile()) {
        return null;
    }/*from  w  w w.  java 2 s .com*/
    String extension = MimeTypeMap.getFileExtensionFromUrl(file.getAbsolutePath());
    String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
    if (extension == null || mimeType == null) {
        return null;
    }
    Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.addCategory(Intent.CATEGORY_DEFAULT);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.setDataAndType(Uri.fromFile(file), mimeType);
    return intent;
}