How to get the key from a calling preference

Question

This is part of my preferences.xml. One of these preferences will call the same activity, changePWEmail, when the user click on either one of them.

   <PreferenceCategory
        android:title="Security">
        <Preference
            android:title="Change email"
            android:summary="Option to change email"
            android:key="pref_security_email">
            <intent
                android:action="android.intent.action.MAIN"
                android:targetPackage="com.test"
                android:targetClass="com.test.changePWEmail"/>
        </Preference>
        <Preference
            android:title="Change password"
            android:summary="Option to change password"
            android:key="pref_security_password">
            <intent
                android:action="android.intent.action.MAIN"
                android:targetPackage="com.test"
                android:targetClass="com.test.changePWEmail"/>
        </Preference>
    </PreferenceCategory>

In the changePWEmail class, how do I get the key value (either "pref_security_email" or "pref_security_password") so that I can do appropriate action whether it is an email or a password change request? I'll appreciate any help. Thanks.

Answer 1

   <PreferenceCategory
        android:title="Security">
        <Preference
            android:title="Change email"
            android:summary="Option to change email"
            android:key="pref_security_email">
            <intent
                android:action="com.example.action.email"
                android:targetPackage="com.test"
                android:targetClass="com.test.ChangePWEmailActivity"/>
        </Preference>
        <Preference
            android:title="Change password"
            android:summary="Option to change password"
            android:key="pref_security_password">
            <intent
                android:action="com.example.action.password"
                android:targetPackage="com.test"
                android:targetClass="com.test.changePWEmailActivity"/>
        </Preference>
    </PreferenceCategory>

In your activity:

if (getIntent() != null)
  if ("com.test.action.email".equals(activtiy.getIntent().getAction())) {

  } else if ("com.test.action.password".equals(activtiy.getIntent().getAction())) {

  } else {

  }

In your Manifest:

    <activity
        android:name="com.test.ChangePWEmailActivity" >
        <intent-filter>
            <action android:name="com.test.action.email" />
            <action android:name="com.test.action.password" />
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.DEFAULT" />
            <category android:name="android.intent.category.Launcher" />
        </intent-filter>
    </activity>

google for Android intents and interactions.

Answer 2

I'm using Android Studio latest beta version, and

activtiy.getIntent()

just raised up an error. Based on momosxp answer, so here is my version, which was tested and 100% working... In the preferences.xml...

    <PreferenceCategory
        android:title="Security">
        <Preference
            android:title="Change email"
            android:summary="Option to change email">
            <intent
                android:action="email"
                android:targetPackage="com.test"
                android:targetClass="com.test.ChangePWEmailActivity"/>
        </Preference>
        <Preference
            android:title="Change password"
            android:summary="Option to change password">
            <intent
                android:action="password"
                android:targetPackage="com.test"
                android:targetClass="com.test.changePWEmailActivity"/>
        </Preference>
    </PreferenceCategory>

In the activty...

    @Override
    protected void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.layout_pwemail_change);

        TextView txvTitle = (TextView) findViewById(R.id.txvChangeWhat);
        EditText txtOld = (EditText) findViewById(R.id.txtOldPWEmail);
        EditText txtNew = (EditText) findViewById(R.id.txtNewPWEmail);
        EditText txtConfirm = (EditText) findViewById(R.id.txtConfirmPWEmail);
        Button btnCommit = (Button) findViewById(R.id.btnCommitChanges);

        String ia = getIntent().getAction();
        if (ia != null) {
            if ("email".equals(ia)){
                ChangeWhat = CHANGE_EMAIL;
            } else if ("password".equals(ia)){
                ChangeWhat = CHANGE_PASSWORD;
            }
        }

        switch (ChangeWhat){
            case CHANGE_EMAIL:

... and you DON'T have to do anything to your manifest.