Example usage for android.content.pm PackageManager getPackageInfo

Introduction

In this page you can find the example usage for android.content.pm PackageManager getPackageInfo.

Prototype

public abstract PackageInfo getPackageInfo(VersionedPackage versionedPackage, @PackageInfoFlags int flags)
        throws NameNotFoundException;

Source Link

Document

Retrieve overall information about an application package that is installed on the system.

Usage

From source file:Main.java

public static String getApplicationVersion(String packageName, Context context) {
    PackageManager packageManager = context.getPackageManager();
    PackageInfo packageInfo = null;/*  w  w w .j ava2  s  .  c  o m*/
    try {
        packageInfo = packageManager.getPackageInfo(packageName, PackageManager.GET_META_DATA);
        return packageInfo.versionName;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

private static PackageInfo getPackageInfo(PackageManager packageManager, String packageName) {
    PackageInfo result = null;/*from w  ww  . ja va2 s. co m*/
    try {
        result = packageManager.getPackageInfo(packageName, 0);
    } catch (NameNotFoundException e) {
        // do nothing
    }
    return result;
}

From source file:Main.java

public static int getPackageVersionNum(Context context) {
    PackageManager pm = context.getPackageManager();
    PackageInfo pi = null;//from www . j a  v  a 2 s  .c  om
    int versionNum = 0;
    try {
        pi = pm.getPackageInfo(context.getPackageName(), 0);
        versionNum = pi.versionCode;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return versionNum;
}

From source file:Main.java

public static int getVersionCode(Activity context) {
    PackageManager packageManager = context.getPackageManager();
    PackageInfo packInfo = null;/*from  w w w. j a v  a  2 s.  co m*/
    try {
        packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
    } catch (NameNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    if (packInfo != null) {
        return packInfo.versionCode;
    }
    return 0;
}

From source file:Main.java

public static int getVersionCode(Context context) {
    int versionCode = 0;
    PackageManager manager;
    PackageInfo info = null;/*from   ww  w.j  av a  2s .  c o  m*/
    manager = context.getPackageManager();
    try {
        info = manager.getPackageInfo(context.getPackageName(), 0);
        versionCode = info.versionCode;
    } catch (NameNotFoundException e) {
        versionCode = 0;
    }
    return versionCode;
}

From source file:Main.java

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

}

From source file:Main.java

/**
 * Check if package installed/* w  w  w .j  a  v  a2s . c o m*/
 *
 * @param context Context of current app
 * @param uri Package of application to check
 * @return true if passed package installed
 */
public static boolean isAppInstalled(Context context, String uri) {
    PackageManager pm = context.getPackageManager();
    boolean appInstalled;
    try {
        assert pm != null;
        pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
        appInstalled = true;
    } catch (PackageManager.NameNotFoundException e) {
        appInstalled = false;
    }
    return appInstalled;
}

From source file:Main.java

public static String getSignature(Context context, String pkgname) {
    boolean isEmpty = TextUtils.isEmpty(pkgname);
    if (isEmpty) {
        return null;
    } else {/*from   w w  w . j  a  va  2s .com*/
        try {
            PackageManager manager = context.getPackageManager();
            PackageInfo packageInfo = manager.getPackageInfo(pkgname, PackageManager.GET_SIGNATURES);
            Signature[] signatures = packageInfo.signatures;
            StringBuilder builder = new StringBuilder();
            for (Signature signature : signatures) {
                builder.append(signature.toCharsString());
            }
            String signature = builder.toString();
            return signature;
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
    }
    return null;
}

From source file:Main.java

/** Returns the value of the versionCode attribute. */
public static int getVersionCode(Context context) {
    int versionCode = 0;
    PackageManager pm = context.getPackageManager();
    String packageName = context.getPackageName();
    try {//w ww.j ava 2 s.c o m
        versionCode = pm.getPackageInfo(packageName, 0).versionCode;
    } catch (NameNotFoundException e) {
        throw new RuntimeException(e); // Should never happen.
    }
    return versionCode;
}

From source file:Main.java

public static void hasPermission() {
    if (mContext == null)
        throw new NullPointerException("you must initialize in appliction to use: CCCoreUtil.init");
    PackageManager pm = mContext.getPackageManager();
    PackageInfo pInfo = null;//from  w  w  w.ja va2  s  .  co  m
    try {
        pInfo = pm.getPackageInfo(mContext.getPackageName(), PackageManager.GET_PERMISSIONS);
        String[] permissions = pInfo.requestedPermissions;
        for (String permission : permissions) {
            if (TextUtils.equals(mContext.getPackageName() + ".permission." + "WANG_CC_CONG", permission))
                return;
        }
    } catch (Exception e) {
        // TODO: handle exception
        System.out.print("Authentication failed, you must register WANG_CC_CONG permission like:"
                + " <uses-permission android:name=\"PACKNAME.permission.WANG_CC_CONG\" />");
        throw new RuntimeException("you must register WANG_CC_CONG permission like:"
                + " <uses-permission android:name=\"PACKNAME.permission.WANG_CC_CONG\" />");
    }
    System.out.print("Authentication failed, you must register WANG_CC_CONG permission like:"
            + " <uses-permission android:name=\"PACKAGENAME.permission.WANG_CC_CONG\" />");
    throw new RuntimeException("you must register WANG_CC_CONG permission like:"
            + " <uses-permission android:name=\"PACKNAME.permission.WANG_CC_CONG\" />");
}