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

/**
 * get app package info/*from   www.  j  a va2 s.  c  o  m*/
 */
public static PackageInfo getAppPackageInfo(Context context) {
    PackageManager pm = context.getPackageManager();
    try {
        return pm.getPackageInfo(context.getPackageName(), 0);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void clearActivityTask(final Context context) {
    Intent i = context.getPackageManager().getLaunchIntentForPackage(context.getPackageName());
    i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
    context.startActivity(i);/*from w  w w.java2s .co  m*/
    ((Activity) context).finish();

}

From source file:Main.java

public static boolean hasInstalledAlipayClient(Context context) {
    PackageManager pm = context.getPackageManager();
    try {//from   ww w .  j av a2s.  com
        PackageInfo info = pm.getPackageInfo(ALIPAY_PACKAGE_NAME, 0);
        return info != null;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:Main.java

public static void launchApk(Context context, String packageName) {
    Intent intent = context.getPackageManager().getLaunchIntentForPackage(packageName);
    context.startActivity(intent);/*w w w . j  a va  2s . com*/
}

From source file:Main.java

public static PackageInfo getCurrentPackageInfo(Context context) {
    try {//from   w w w  . ja  v  a  2 s  .  c  o m
        return context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String getVersion(Context context) {
    PackageManager pm = context.getPackageManager();
    try {//from  w  w w  .  ja va  2  s. co  m
        PackageInfo info = pm.getPackageInfo(context.getPackageName(), 0);
        return info.versionCode + "";
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

public static PackageInfo packageInfoFromContext(final Context context) {
    try {//from   w  w  w.j a va 2s  . co  m
        return context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
    } catch (final PackageManager.NameNotFoundException x) {
        throw new RuntimeException(x);
    }
}

From source file:Main.java

public static int getRevision(Context context) {
    try {//from ww w.j a va  2 s .  c o  m
        return context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionCode;
    } catch (PackageManager.NameNotFoundException e) {
        return -1;
    }
}

From source file:Main.java

private static PackageInfo getPackageInfo(Context context) {
    try {//from  w  w w .j  av  a2s . c  om
        return context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
    } catch (PackageManager.NameNotFoundException e) {
        throw new RuntimeException("Could not get package name: " + e);
    }
}

From source file:Main.java

public static String getAppNameFromPath(Context context, String path) {
    PackageInfo pi = context.getPackageManager().getPackageArchiveInfo(path, 0);

    pi.applicationInfo.sourceDir = path;
    pi.applicationInfo.publicSourceDir = path;
    return pi.applicationInfo.loadLabel(context.getPackageManager()).toString();
}