I'm modifying In-app purchase sample Trivial Drive, adding some button , but got the error, when clicking the "upgrade_button" that invoke the "onUpgradeAppButtonClicked" method ( I want to go to buy premium version on google play).
The log stacktrace is :
FATAL EXCEPTION: main
java.lang.IllegalStateException: Could not execute method of the activity
at android.view.View$1.onClick(View.java:3854)
at android.view.View.performClick(View.java:4469)
at android.view.View$PerformClick.run(View.java:18788)
at android.os.Handler.handleCallback(Handler.java:808)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:5349)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:835)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:651)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at android.view.View$1.onClick(View.java:3849)
... 11 more
Caused by: java.lang.NullPointerException
at com.lm.rosary.Mysterytoprayfirstbefore.setWaitScreen(Mysterytoprayfirstbefore.java:511)
at com.lm.rosary.Mysterytoprayfirstbefore.onUpgradeAppButtonClicked(Mysterytoprayfirstbefore.java:364)
... 14 more
My java program to click "upgrade_button" is :
public class Mysterytoprayfirstbefore extends Activity implements IabBroadcastListener, OnClickListener {
Button btnJoyful;
Button btnSorrowful;
Button btnGlorious;
Button btnLuminous;
Button btnAutoselectmystery;
Button btnBacktoMainMenu;
Button upgrade_button;
SharedPreferences prefs;
SharedPreferences.Editor editor;
static final String TAG = "BuyPremium";
// Does the user have the premium upgrade?
boolean mIsPremium = false;
// SKUs for our products: the premium upgrade (non-consumable) and gas (consumable)
static final String SKU_PREMIUM = "xxxxxx001";
// (arbitrary) request code for the purchase flow
static final int RC_REQUEST = 10001;
// The helper object
IabHelper mHelper;
// Provides purchase notification while this app is running
IabBroadcastReceiver mBroadcastReceiver;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.mysterymenubefore);
String base64EncodedPublicKey = "xxxxxxxQIDAQAB";
// Create the helper, passing it our context and the public key to verify signatures with
Log.d(TAG, "Creating IAB helper.");
mHelper = new IabHelper(this, base64EncodedPublicKey);
// enable debug logging (for a production application, you should set this to false).
mHelper.enableDebugLogging(false);
// Start setup. This is asynchronous and the specified listener
// will be called once setup completes.
Log.d(TAG, "Starting setup.");
mHelper.startSetup(new IabHelper.OnIabSetupFinishedListener() {
public void onIabSetupFinished(IabResult result) {
Log.d(TAG, "Setup finished.");
if (!result.isSuccess()) {
return;
}
// Have we been disposed of in the meantime? If so, quit.
if (mHelper == null) return;
mBroadcastReceiver = new IabBroadcastReceiver(Mysterytoprayfirstbefore.this);
IntentFilter broadcastFilter = new IntentFilter(IabBroadcastReceiver.ACTION);
registerReceiver(mBroadcastReceiver, broadcastFilter);
// IAB is fully set up. Now, let's get an inventory of stuff we own.
Log.d(TAG, "Setup successful. Querying inventory.");
mHelper.queryInventoryAsync(mGotInventoryListener);
}
});
btnJoyful = (Button) findViewById(R.id.btnJoyful);
btnSorrowful = (Button) findViewById(R.id.btnSorrowful);
btnGlorious = (Button) findViewById(R.id.btnGlorious);
btnLuminous = (Button) findViewById(R.id.btnLuminous);
btnAutoselectmystery = Button)findViewById(R.id.btnAutoselectmystery);
btnBacktoMainMenu = (Button) findViewById(R.id.btnBacktoMainMenu);
upgrade_button = (Button) findViewById(R.id.upgrade_button);
btnJoyful.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// Launching All products Activity
Intent i = new Intent(getApplicationContext(), Jfp1.class);
startActivity(i);
}
});
// view products click event btnSorrowful.setOnClickListener(new View.OnClickListener() {
@Override public void onClick (View view){
// Launching create new product activity
Intent i = new Intent(getApplicationContext(), Sfp1.class);
startActivity(i);
}
});
btnLuminous.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick (View view){
// Launching create new product activity
Intent i = new Intent(getApplicationContext(), Mysterytoprayfirstbefore.class);
startActivity(i);
}
});
btnGlorious.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick (View view){
Intent i = new Intent(getApplicationContext(), Mysterytoprayfirstbefore.class);
startActivity(i);
}
});
btnAutoselectmystery.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick (View view){
Intent i = new Intent(getApplicationContext(), Mysterytoprayfirstbefore.class);
startActivity(i);
}
});
btnBacktoMainMenu.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick (View view){
Intent i = new Intent(getApplicationContext(), MainActivity.class);
startActivity(i);
}
});
}
IabHelper.QueryInventoryFinishedListener mGotInventoryListener = new IabHelper.QueryInventoryFinishedListener() {
public void onQueryInventoryFinished(IabResult result, Inventory inventory) {
Log.d(TAG, "Query inventory finished.");
if (mHelper == null) return;
if (result.isFailure()) {
complain("Failed to query inventory: " + result);
return;
}
Log.d(TAG, "Query inventory was successful.");
// Do we have the premium upgrade?
Purchase premiumPurchase = inventory.getPurchase(SKU_PREMIUM);
mIsPremium = (premiumPurchase != null && verifyDeveloperPayload(premiumPurchase));
Log.d(TAG, "User is " + (mIsPremium ? "PREMIUM" : "NOT PREMIUM"));
Log.d(TAG, "Initial inventory query finished; enabling main UI.");
}
};
@Override
public void receivedBroadcast() {
// Received a broadcast notification that the inventory of items has changed
Log.d(TAG, "Received broadcast notification. Querying inventory.");
mHelper.queryInventoryAsync(mGotInventoryListener);
}
// User clicked the "Upgrade to Premium" button.
public void onUpgradeAppButtonClicked(View arg0) {
Log.d(TAG, "Upgrade button clicked; launching purchase flow for upgrade.");
setWaitScreen(true);
String payload = "";
mHelper.launchPurchaseFlow(this, SKU_PREMIUM, RC_REQUEST,
mPurchaseFinishedListener, payload);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.d(TAG, "onActivityResult(" + requestCode + "," + resultCode + "," + data);
if (mHelper == null) return;
// Pass on the activity result to the helper for handling
if (!mHelper.handleActivityResult(requestCode, resultCode, data)) {
super.onActivityResult(requestCode, resultCode, data);
} else {
Log.d(TAG, "onActivityResult handled by IABUtil.");
}
}
/**
* Verifies the developer payload of a purchase.
*/
boolean verifyDeveloperPayload(Purchase p) {
String payload = p.getDeveloperPayload();
return true;
}
// Callback for when a purchase is finished
IabHelper.OnIabPurchaseFinishedListener mPurchaseFinishedListener = new IabHelper.OnIabPurchaseFinishedListener() {
public void onIabPurchaseFinished(IabResult result, Purchase purchase) {
Log.d(TAG, "Purchase finished: " + result + ", purchase: " + purchase);
// if we were disposed of in the meantime, quit.
if (mHelper == null) return;
if (result.isFailure()) {
complain("Error purchasing: " + result);
setWaitScreen(false);
return;
}
if (!verifyDeveloperPayload(purchase)) {
complain("Error purchasing. Authenticity verification failed.");
setWaitScreen(false);
return;
}
Log.d(TAG, "Purchase successful.");
if (purchase.getSku().equals(SKU_PREMIUM)) {
// bought the premium upgrade!
Log.d(TAG, "Purchase is premium upgrade. Congratulating user.");
alert("Thank you for upgrading to premium!");
mIsPremium = true;
Intent i = new Intent(getApplicationContext(), Mysterytopray.class);
startActivity(i);
setWaitScreen(false);
}
}
};
// We're being destroyed. It's important to dispose of the helper here!
@Override
public void onDestroy() {
super.onDestroy();
// very important:
if (mBroadcastReceiver != null) {
unregisterReceiver(mBroadcastReceiver);
}
// very important:
Log.d(TAG, "Destroying helper.");
if (mHelper != null) {
mHelper.dispose();
mHelper = null;
}
}
// Enables or disables the "please wait" screen.
void setWaitScreen(boolean set) {
findViewById(R.id.screen_main).setVisibility(set ? View.GONE : View.VISIBLE);
findViewById(R.id.screen_wait).setVisibility(set ? View.VISIBLE : View.GONE);
}
void complain(String message) {
Log.e(TAG, "**** BuyPremium Error: " + message);
alert("Error: " + message);
}
void alert(String message) {
AlertDialog.Builder bld = new AlertDialog.Builder(this);
bld.setMessage(message);
bld.setNeutralButton("OK", null);
Log.d(TAG, "Showing alert dialog: " + message);
bld.create().show();
}
@Override
public void onClick(DialogInterface arg0, int arg1) {
TODO Auto -generated method stub
}
}
And the screen for upgrade_button is below xml :
<Button style="@style/BlackText"
android:background="@color/orange"
android:id="@+id/upgrade_button"
android:layout_height="wrap_content"
android:layout_marginTop="25dip"
android:layout_width="fill_parent"
android:onClick="onUpgradeAppButtonClicked"
android:text="@string/button_textbuypremium"/>
Other button , when press/click it is okay, only the "upgrade_button" that issued the IlegalSateException.
Where is the issue?
