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

public static ResolveInfo getResolveInfo(PackageManager pm, String packageName) {
    Intent intent = new Intent(Intent.ACTION_MAIN, null);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    intent.setPackage(packageName);//from www  .  j ava2s  .  c  om
    List<ResolveInfo> apps = pm.queryIntentActivities(intent, 0);
    if (apps != null && apps.size() > 0) {
        return apps.get(0);
    }
    return null;
}

From source file:Main.java

/**
 * start home intent/*  w  w w.j  a v a 2  s . c  om*/
 *
 * @param context
 */
public static void startHomeActivity(Context context) {
    Intent homeIntent = new Intent(Intent.ACTION_MAIN);
    homeIntent.addCategory(Intent.CATEGORY_HOME);
    homeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
    context.startActivity(homeIntent);
}

From source file:Main.java

/**
 * Minimizes the app// ww w  .  j  a  v a 2  s.c o  m
 * @param context the context
 */
public static void minimizeApp(Context context) {
    Intent startMain = new Intent(Intent.ACTION_MAIN);
    startMain.addCategory(Intent.CATEGORY_HOME);
    startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    context.startActivity(startMain);
}

From source file:Main.java

public static boolean isSplashOpenedOverNavigationActivity(final Activity act, final Intent intent) {
    return intent != null && intent.getAction() != null && intent.getAction().equals(Intent.ACTION_MAIN)
            && !act.isTaskRoot() && intent.hasCategory(Intent.CATEGORY_LAUNCHER);
}

From source file:Main.java

public static ArrayList<String> getActivities(Context ctx) {
    ArrayList<String> result = new ArrayList<String>();
    Intent intent = new Intent(Intent.ACTION_MAIN, null);
    intent.setPackage(ctx.getPackageName());
    for (ResolveInfo info : ctx.getPackageManager().queryIntentActivities(intent, 0)) {
        result.add(info.activityInfo.name);
    }/*from w  w  w . ja v a 2s.  c o m*/
    return result;
}

From source file:Main.java

public static boolean openAppActivity(Context context, String packageName, String activityName) {
    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    ComponentName cn = new ComponentName(packageName, activityName);
    intent.setComponent(cn);/*  w ww.  java2s .c om*/
    try {
        context.startActivity(intent);
        return true;
    } catch (ActivityNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static boolean isLauncherActivity(Context context, String packageName) {
    Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
    mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
    mainIntent.setPackage(packageName);/*  w w w .  j  a v a 2s  .com*/
    List<ResolveInfo> infoList = context.getPackageManager().queryIntentActivities(mainIntent, 0);
    if (infoList.isEmpty()) {
        return false;
    } else {
        return true;
    }
}

From source file:Main.java

/**
 * "Exits" the app to the Home screen".//from  ww w  .  j  a  va  2  s.  c o  m
 * @param context Application context
 */
public static void exitToHome(final Context context) {
    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_HOME);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    context.startActivity(intent);
}

From source file:Main.java

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

From source file:Main.java

@NonNull
private static String getDefaultLauncher(@NonNull Context context) {
    final Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME);
    final ResolveInfo resolveInfo = context.getPackageManager().resolveActivity(intent,
            PackageManager.MATCH_DEFAULT_ONLY);
    return resolveInfo.activityInfo.packageName;
}

Example usage for android.content Intent ACTION_MAIN

Introduction

Prototype

Document

Usage