ロックスクリーンを考慮して処理の再開を行う方法

gistfile1.java

import android.app.Activity;
import android.app.KeyguardManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;

public class MainActivity extends Activity {

    private final String TAG = getClass().getSimpleName();

    private MyBroadcastReceiver mReceiver = new MyBroadcastReceiver();

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    protected void onResume() {
        Log.d(TAG, "onResume()");
        super.onResume();

        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(Intent.ACTION_USER_PRESENT);
        registerReceiver(mReceiver, intentFilter);

        KeyguardManager keyguardManager = (KeyguardManager) getSystemService(KEYGUARD_SERVICE);
        Log.d(TAG, "inKeyguardRestrictedInputMode() : " + keyguardManager.inKeyguardRestrictedInputMode());
        if (!keyguardManager.inKeyguardRestrictedInputMode()) {
            Log.d(TAG, "再開");
            /*
             *  再開処理
             */
        }
    }

    @Override
    protected void onPause() {
        Log.d(TAG, "onPause()");
        super.onPause();

        unregisterReceiver(mReceiver);

        Log.d(TAG, "中断");
        /*
         *  中断処理
         */
    }

    private class MyBroadcastReceiver extends BroadcastReceiver {

        @Override
        public void onReceive(Context context, Intent intent) {
            Log.d(TAG, "MyBroadcastReceiver#onReceive()");

            Log.d(TAG, "再開");
            /*
             *  再開処理
             */
        }

    }
}