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

private static boolean isV4AInstalled(Context context) {
    PackageManager pm = context.getPackageManager();
    try {/* w  w  w  .  j ava  2 s. co  m*/
        pm.getPackageInfo("com.vipercn.viper4android_v2", PackageManager.GET_ACTIVITIES);
        return true;
    } catch (NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static String getVersionName(Context context) {
    PackageManager packageManager = context.getPackageManager();
    try {/*  w  w  w  .  j  av a  2s  .c o  m*/
        PackageInfo info = packageManager.getPackageInfo(context.getPackageName(), 0);
        return info.versionName;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static boolean isInstalled(Context context, String packageName) {
    try {//from   ww w  .ja  v a2  s .  com
        context.getPackageManager().getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
        return true;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static String GetVersion(Context paramContext) {
    try {/*from www .  j  a  va2  s.  co m*/
        String str = paramContext.getPackageManager().getPackageInfo(paramContext.getPackageName(),
                0).versionName;
        return str;
    } catch (PackageManager.NameNotFoundException localNameNotFoundException) {
    }
    return "Unknown";
}

From source file:Main.java

public static String getPackageName(Context ctx) {
    try {/* w w  w .j  a  v a  2 s .  c  o  m*/
        PackageInfo info = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(), 0);
        return info.packageName;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static String getVersion(Context context) {
    try {/*from ww w .j a  v  a  2s .  c  om*/
        PackageInfo pi = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return pi.versionName;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

public static boolean isXposedInstalled(Context context) {
    PackageManager packageManager = context.getPackageManager();
    try {/*from  w  ww . jav a  2 s.c om*/
        packageManager.getPackageInfo(XPOSED_PACKAGE, 0);
        return true;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.ECLAIR_MR1)
public static boolean canScan(Context context) {
    PackageManager pm = context.getPackageManager();
    return pm != null && pm.hasSystemFeature(PackageManager.FEATURE_CAMERA);
}

From source file:Main.java

public static void launchApp(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    Intent intent = pm.getLaunchIntentForPackage(packageName);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    context.startActivity(intent);//from  w  ww  .  ja v a2s.  c  om
}

From source file:Main.java

public static String getAppName(Context context) {
    PackageManager packageManager = context.getPackageManager();
    ApplicationInfo applicationInfo = null;
    try {/*from www  .  j  av a2 s .c  om*/
        applicationInfo = packageManager.getApplicationInfo(context.getApplicationInfo().packageName, 0);
    } catch (final PackageManager.NameNotFoundException e) {
    }

    return (String) (applicationInfo != null ? packageManager.getApplicationLabel(applicationInfo) : "Unknown");
}