am 7d0d2f6c: am c6bd0155: am 8d88f19b: am f9c4f6b5: Merge "fix code type and...

intent when starting a {@link android.app.Service} and do not

declare intent filters for your services. Using an implicit intent to start a service is a

security hazard because you cannot be certain what service will respond to the intent,

and the user cannot see which service starts.</p>

and the user cannot see which service starts. Beginning with Android 5.0 (API level 21), the system

throws an exception if you call {@link android.content.Context#bindService bindService()}

with an implicit intent.</p>

android.app.Activity#startActivity startActivity()}. For example:</p>

<pre>

Intent intent = new Intent(Intent.ACTION_SEND);

Intent sendIntent = new Intent(Intent.ACTION_SEND);

...

// Always use string resources for UI text.

// This says something like "Share this photo with"

String title = getResources().getString(R.string.chooser_title);

// Create intent to show chooser

Intent chooser = Intent.createChooser(intent, title);

// Create intent to show the chooser dialog

Intent chooser = Intent.createChooser(sendIntent, title);

// Verify the intent will resolve to at least one activity

// Verify the original intent will resolve to at least one activity

if (sendIntent.resolveActivity(getPackageManager()) != null) {

    startActivity(sendIntent);

    startActivity(chooser);

}

</pre>