Prevent softkeyboard appear from other activity

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http://stackoverflow.com – I got a EditText on my first tab. Of course, soft keyboard appearing when I touch on my EditText. But when I access to second tab, it means second tab activity, soft keyboard stay appearing on my first tab and don't disappear even though there is no EditText on my second tab activity. I want to prevent softkeyboard from appearing when I access to my second tab. How can I solve this problems? Here's my manifest files <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.androidaccountbook" android:v (HowTos)