-------------------------------------------- On Wed, 1/25/17, sardar khan <[email protected]> wrote:
Subject: Re: [android-developers] Using "findViewbyId' in Broadcast Receiver To: "[email protected]" <[email protected]> Date: Wednesday, January 25, 2017, 7:31 AM You can launch an Activity through broadcast receiver. that can change the textview colour.. On Sun, Jan 15, 2017 at 4:02 AM, abdullah zaman <[email protected]> wrote: How can I use findViewById() in a Broadcast Receiver class. Below is my code snippet. I get the error message: "can't resolve method findViewById" if used directly without class constructor (because find View by Id is Activity method and cant be used in Broadcast Receiver i suppose) . And if i try to use the class constructor (Where the imageView is available in my main activity) my app crashes saying " Unfortunately app has stopped" . I just want to change the color of ImageView e.g "from black to blue" in the below if statement if it is possible by any other means pleas let me know. This is my Broadcast Receiver classpublic class MyBroadcastReceiver extends FirstBroadcastReceiver { Context context; Activity activity; public MyBroadcastReceiver(Context context, Activity activity){ this.context=context; this.activity=activity; } @Override protected void (Context context) { // content } @Override public void onButton(Context context, boolean isClick) { if(isClick) { ImageView blueImage = (ImageView) activity.findViewById(R.id.ima geView); blueImage.setColorFilter(0xff0 00000); } } ....... .... // and so onAnd this is my Main Activity public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceSt ate); setContentView(R.layout.activi ty_main); // and so on } } MyBroadcastReceiver myBroadcastReceiver = new MyBroadcastReceiver(MainActivi ty.this,this); @Override public void onActivityResult() { // some code } @Override public void onInitialized(MyManager manager){ // some code } -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-developers+ [email protected]. To post to this group, send email to android-developers@ googlegroups.com. Visit this group at https://groups.google.com/ group/android-developers. To view this discussion on the web visit https://groups.google.com/d/ msgid/android-developers/ 31c0874e-3c84-4f1a-b17d- 85cde28741ec%40googlegroups. com. For more options, visit https://groups.google.com/d/ optout. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/CABHzXAS_bVowxdvomLrnL3aJTyYutyFHGRVXnL_RCbh0bBvcVQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout. xti a si metalurgica. Nivelul operatiilor financiare era redus in comparatie cu cel -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/571871901.459154.1485334677277%40mail.yahoo.com. For more options, visit https://groups.google.com/d/optout.
