Sviatoslav
Sviatoslav

Reputation: 1312

How can I start MAIN activity with the help of <intent-filter>?

When I declare my main activity in this maner:

<activity android:name=".MyActivity"
          android:configChanges="orientation|keyboardHidden"
          android:windowSoftInputMode="stateHidden"
          android:screenOrientation="portrait">
    <intent-filter>
          <action android:name="android.intent.action.MAIN"/>
          <action android:name="com.package.name.MyActivity"/>
          <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
</activity>

then I get an error No Activity found to handle Intent { act=com.package.name.MyActivity flg=0x24000000 } when I am using this code:

Intent intent = new Intent("com.package.name.MyActivity");
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
context.startActivity(intent);

If do not use Intent i = new Intent(this, MyActivity.class); how can I do this with the help of action for <intent-filter>

Didn't help:

 <intent-filter>
      <action android:name="android.intent.action.MAIN"/>
      <action android:name="com.package.name.VIEW"/>
      <category android:name="android.intent.category.LAUNCHER" />
 </intent-filter>

code:

Intent intent = new Intent("com.package.name.VIEW");
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
context.startActivity(intent);

Upvotes: 6

Views: 20219

Answers (3)

Vincent Mimoun-Prat
Vincent Mimoun-Prat

Reputation: 28541

Try to specify two intent filters:

<activity android:name=".MyActivity"
          android:configChanges="orientation|keyboardHidden"
          android:windowSoftInputMode="stateHidden"
          android:screenOrientation="portrait">
    <intent-filter>
          <action android:name="android.intent.action.MAIN"/>
          <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
    <intent-filter>
          <action android:name="com.package.name.MyAction"/>
          <category android:name="android.intent.category.DEFAULT"/>
    </intent-filter>
</activity>

Then you can start the activity using the action name:

Intent intent = new Intent("com.package.name.MyAction");
context.startActivity(intent);

or the class name:

Intent intent = new Intent(context, MyActivity.class);
context.startActivity(intent);

Upvotes: 8

Sparky
Sparky

Reputation: 8477

Your class name isn't com.package.name.MyActivity, it's com.package.name.general.MyActivity.

An easy way to avoid this mistake is to create your new Intent using a class instead of a package name. You can use auto-complete to fill in the right class.

You say you don't want to create the Intent by specifying the class. I wonder why not -- I think it's a good way to go.

Upvotes: 0

Jeffrey Blattman
Jeffrey Blattman

Reputation: 22637

the name attribute in the action tag is the name of the action, not the name of your activity. remove the line,

  <action android:name="com.package.name.MyActivity"/>

since the intent filter tag is under your activity's tag, the system already understands that it's applied to that activity.

Upvotes: 1

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