Example usage for android.content Intent ACTION

Introduction

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

Prototype

String ACTION_MAIN

To view the source code for android.content Intent ACTION_MAIN.

Click Source Link

Document

Activity Action: Start as a main entry point, does not expect to receive data.

Usage

From source file:Main.java

/**
 * @param context used to check the device version and DownloadManager information
 * @return true if the download manager is available
 *//*from  w w  w  .j a v a 2s .  c om*/
//http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog
public static boolean isDownloadManagerAvailable() {
    try {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.GINGERBREAD) {
            return false;
        }
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.setClassName("com.android.providers.downloads.ui",
                "com.android.providers.downloads.ui.DownloadList");
        List<ResolveInfo> list = m_TempContext.getPackageManager().queryIntentActivities(intent,
                PackageManager.MATCH_DEFAULT_ONLY);
        return list.size() > 0;
    } catch (Exception e) {
        return false;
    }
}

From source file:Main.java

public static Intent getSmsIntent() {
    Intent conversations = new Intent(Intent.ACTION_MAIN);
    //conversations.addCategory(Intent.CATEGORY_DEFAULT);
    conversations.setType(SMS_MIME_TYPE);
    // should I be using FLAG_ACTIVITY_RESET_TASK_IF_NEEDED??
    int flags = Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP
            | Intent.FLAG_ACTIVITY_CLEAR_TOP;
    conversations.setFlags(flags);//from w w w. j  a va2 s. c om

    return conversations;
}

From source file:Main.java

public static String getCurLauncher(Context context) {
    if (context == null) {
        return null;
    }/* w  w  w. jav a2  s.  co  m*/

    try {
        Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
        mainIntent.addCategory(Intent.CATEGORY_HOME);
        ResolveInfo resolveInfo = context.getPackageManager().resolveActivity(mainIntent, 0);
        if (resolveInfo != null) {
            return resolveInfo.activityInfo.packageName;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return null;
}

From source file:Main.java

public static Intent getGalleryIntent(Context context) {
    return new Intent(Intent.ACTION_MAIN).setClassName(GALLERY_PACKAGE_NAME, GALLERY_ACTIVITY_CLASS);
}

From source file:Main.java

public static String getLauncherClassName(Context context) {

    PackageManager pm = context.getPackageManager();

    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);

    List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, 0);
    for (ResolveInfo resolveInfo : resolveInfos) {
        String pkgName = resolveInfo.activityInfo.applicationInfo.packageName;
        if (pkgName.equalsIgnoreCase(context.getPackageName())) {
            String className = resolveInfo.activityInfo.name;
            return className;
        }/*from  ww w .  j av a  2s .c om*/
    }
    return null;
}

From source file:Main.java

public static void delShortcutFromDesktop(Context paramContext, String packageName, String cls,
        String appName) {//from  w  w  w  .j av a2s. c  om
    Intent localIntent1 = new Intent("com.android.launcher.action.UNINSTALL_SHORTCUT");
    String str = appName;
    PackageManager localPackageManager = paramContext.getPackageManager();
    int i = 8320;
    try {
        ApplicationInfo localApplicationInfo = localPackageManager.getApplicationInfo(packageName, i);
        if (str == null)
            str = localPackageManager.getApplicationLabel(localApplicationInfo).toString();
        localIntent1.putExtra("android.intent.extra.shortcut.NAME", str);
        ComponentName localComponentName = new ComponentName(packageName, cls);
        Intent localIntent2 = new Intent(Intent.ACTION_MAIN).setComponent(localComponentName);
        localIntent2.addCategory(Intent.CATEGORY_LAUNCHER);
        localIntent1.putExtra("android.intent.extra.shortcut.INTENT", localIntent2);
        paramContext.sendBroadcast(localIntent1);
        return;
    } catch (PackageManager.NameNotFoundException localNameNotFoundException) {
        while (true)
            localNameNotFoundException.printStackTrace();
    }
}

From source file:Main.java

public static String getLauncherPackageName(Context context) {
    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_HOME);
    ResolveInfo resolveInfo = context.getPackageManager().resolveActivity(intent,
            PackageManager.MATCH_DEFAULT_ONLY);
    return resolveInfo.activityInfo.packageName;
}

From source file:Main.java

private static String getLauncherClassName(Context context) {
    PackageManager pm = context.getPackageManager();

    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);

    List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, 0);
    for (ResolveInfo resolveInfo : resolveInfos) {
        String pkgName = resolveInfo.activityInfo.applicationInfo.packageName;
        if (pkgName.equalsIgnoreCase(context.getPackageName())) {
            String className = resolveInfo.activityInfo.name;
            return className;
        }//from w  w w.j a va 2s.  co  m
    }
    return null;
}

From source file:Main.java

public static boolean onKeyBackGoHome(Activity activity, int keyCode, KeyEvent event) {
    if (!(keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0)) {
        return false; // continue
    }//  ww w.  j  av  a 2s .  co  m

    activity.startActivity(new Intent().setAction(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME));
    return true;
}

From source file:Main.java

/**
 * @param context//from   w w  w .  j  a  v  a 2 s  .  com
 *            used to check the device version and DownloadManager
 *            information
 * @return true if the download manager is available
 */
public static boolean isDownloadManagerAvailable(Context context) {
    try {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.GINGERBREAD) {
            return false;
        }
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.setClassName("com.android.providers.downloads.ui",
                "com.android.providers.downloads.ui.DownloadList");
        List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(intent,
                PackageManager.MATCH_DEFAULT_ONLY);
        return list.size() > 0;
    } catch (Exception e) {
        return false;
    }
}

Example usage for android.content Intent ACTION_MAIN

Introduction

Prototype

Document

Usage