Show radar

com.google.android.radar.SHOW_RADAR

Display a radar like view centered around the current position and mark the given location defined by (latitude, longitude)

Use

public void startShowRadar(double lat, double lon) {
    Intent intent = new Intent("com.google.android.radar.SHOW_RADAR"); 
    intent.putExtra("latitude", lat); // double
    intent.putExtra("longitude", lon); // double
    if (intent.resolveActivity(getPackageManager()) != null) { 
        startActivity(intent);
    }
}

Example intent filter

<activity ...>
    <intent-filter>
        <action android:name="com.google.android.radar.SHOW_RADAR" />
        <category android:name="android.intent.category.DEFAULT" />
    </intent-filter>
</activity>

Apps Providing an Implementation

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Search on Google Play, AppBrain, Amazon App store or similar (not yet available - please make this happen!)

For Specification Writers

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Intents Registry