Example usage for android.content Context getPackageManager

Introduction

In this page you can find the example usage for android.content Context getPackageManager.

Prototype

public abstract PackageManager getPackageManager();

Source Link

Document

Return PackageManager instance to find global package information.

Usage

From source file:Main.java

/**
 * Returns version number./*from   w w  w.j  av  a 2s .  com*/
 * 
 * @param context Context
 * @return Version code
 */
public static int getVersionCode(Context context) {
    try {
        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionCode;
    } catch (NameNotFoundException e) {
        return 0;
    }
}

From source file:Main.java

public static boolean isIntentResolvable(Context context, Intent intent) {
    final PackageManager packageManager = context.getPackageManager();
    List<ResolveInfo> resolveInfo = packageManager.queryIntentActivities(intent, 0);
    return resolveInfo != null && !resolveInfo.isEmpty();
}

From source file:Main.java

public static PackageInfo getPackageInfo(Context context, String pkg) {
    try {//from   w w w  . ja v  a2  s .co  m
        return context.getPackageManager().getPackageInfo(pkg, 0);
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static int getVersionCode(Context context) throws NameNotFoundException {
    PackageManager manager = context.getPackageManager();
    PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
    int version = info.versionCode;
    return version;
}

From source file:Main.java

/**
 * Returns version name.// w ww . j  a  va2  s .  c o  m
 * 
 * @param context Context
 * @return Version name
 */
public static String getVersionName(Context context) {
    try {
        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionName;
    } catch (NameNotFoundException e) {
        return "";
    }
}

From source file:Main.java

public static boolean isIntentAvailable(Context context, Intent intent) {
    final PackageManager packageManager = context.getPackageManager();
    List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.GET_ACTIVITIES);
    return list.size() > 0;
}

From source file:Main.java

public static int getVersionCode(Context context) {
    try {/*from w  w  w  .  j a  v  a 2  s.co  m*/
        PackageManager packageManager = context.getPackageManager();
        return packageManager.getPackageInfo(context.getPackageName(), 0).versionCode;
    } catch (Throwable error) {
        error.printStackTrace();
        return 0;
    }
}

From source file:Main.java

public static boolean isPkgInstalled(Context ctx, String packageName) {
    PackageManager pm = ctx.getPackageManager();
    try {/*from  w  ww  .j a  va2  s  .  c  o  m*/
        pm.getPackageInfo(packageName, 0);
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
    return true;
}

From source file:Main.java

public static void openApp(Context pContext, String pPackageName) {
    Intent launchIntent = pContext.getPackageManager().getLaunchIntentForPackage(pPackageName);
    pContext.startActivity(launchIntent);
}

From source file:Main.java

/**
 * get all <uses-permission> tags included under <manifest>
 * //from  w  ww. ja  v  a2s . co  m
 * @param context
 */
public static void getAllAppPermissions(Context context) {
    PackageManager pm = context.getPackageManager();
    PackageInfo packageInfo;
    try {
        // Array of all <uses-permission> tags included under <manifest>, or
        // null if there were none.
        packageInfo = pm.getPackageInfo(context.getPackageName(), PackageManager.GET_PERMISSIONS);
        String permissions[] = packageInfo.requestedPermissions;

        if (permissions != null) { // to list permission
            for (String permission : permissions) {
                Log.i("4A", "permission:" + permission);
            }
        }

    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
}