Start Application Knowing Package Name

start application knowing package name

Try using PackageManager and getLaunchIntentForPackage()

Launch app using package name

Try this :

String pack[] = {"com.android.setting", "com.android.browser"};     
try {
    Intent intent = getPackageManager().getLaunchIntentForPackage(pack[0]);
    startActivity(intent);
} catch (Exception e) {
    // returns null if application is not installed
}

How to open application android programmatically if i don't know package name

Maybe something like this would help, but I have to add that this is a terrible approach as app names can be the same for different apps, and some apps (like "Contacts") have different labels based on the language set

     /**
     *
     * @param appName The target app to launch, if there are multiple apps with same name, the first found will be launched
     * @throws IllegalArgumentException If the target app was not found
     */
    public void runApp(String appName) throws IllegalArgumentException {
        Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
        mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
        for ( ResolveInfo info : getPackageManager().queryIntentActivities( mainIntent, 0) ) {
            if ( info.loadLabel(getPackageManager()).equals(appName) ) {
                Intent launchIntent = getPackageManager().getLaunchIntentForPackage(info.activityInfo.applicationInfo.packageName);
                startActivity(launchIntent);
                return;
            }
        }
        throw new IllegalArgumentException("Application not found!");
    }

Open Application in Android by label name, and unknowing package name.

thanks for all replies, i solve it by @CommonsWare solution and it works correctly :

 class Applications {
    private String packageName;
    private String labelName;
 }

 private void getAllApps() {
    final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
    mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
    List<ResolveInfo> activities = getPackageManager()
            .queryIntentActivities(mainIntent, 0);
    for (ResolveInfo resolveInfo : activities) {
        Applications applications = new Applications();
        applications.labelName = resolveInfo.loadLabel(getPackageManager())
                .toString().toLowerCase();
        applications.packageName = resolveInfo.activityInfo.packageName
                .toString();
        applicationsArrayList.add(applications);
    }
}

private void openApplication(String appName) {

    String packageName = null;

    // matching the package name with label name
    for (int i = 0; i < applicationsArrayList.size(); i++) {
        if (applicationsArrayList.get(i).labelName.trim().equals(
                appName.trim())) {
            packageName = applicationsArrayList.get(i).packageName;
            break;
        }
    }

    // to launch the application
    Intent i;
    PackageManager manager = getPackageManager();
    try {
        i = manager.getLaunchIntentForPackage(packageName);
        if (i == null)
            throw new PackageManager.NameNotFoundException();
        i.addCategory(Intent.CATEGORY_LAUNCHER);
        startActivity(i);
    } catch (PackageManager.NameNotFoundException e) {

    }
}

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