fix float window not shown on keyguard, fixed #120, fixed #118. fixed #112, fixed #84

Author: xdtianyu

app/src/androidTest/java/org/xdty/callerinfo/MainActivityTest.java

@@ -3,7 +3,6 @@
 import android.content.ComponentName;
 import android.os.SystemClock;
 import android.support.test.espresso.FailureHandler;
-import android.support.test.espresso.IdlingPolicies;
 import android.support.test.espresso.NoMatchingRootException;
 import android.support.test.espresso.contrib.RecyclerViewActions;
 import android.support.test.filters.SdkSuppress;
@@ -20,15 +19,12 @@
 import android.widget.ImageButton;
 
 import org.hamcrest.Matcher;
-import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.xdty.callerinfo.activity.SettingsActivity;
 import org.xdty.callerinfo.model.db.InCall;
 import org.xdty.callerinfo.utils.Utils;
 
-import java.util.concurrent.TimeUnit;
-
 import static android.support.test.InstrumentationRegistry.getTargetContext;
 import static android.support.test.espresso.Espresso.onView;
 import static android.support.test.espresso.Espresso.openActionBarOverflowOrOptionsMenu;

app/src/main/java/org/xdty/callerinfo/service/FloatWindow.java

@@ -121,7 +121,7 @@ public StandOutLayoutParams getParams(int id, Window window) {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                 params.type = StandOutLayoutParams.TYPE_APPLICATION_OVERLAY;
             } else {
-                params.type = StandOutLayoutParams.TYPE_PHONE;
+                params.type = StandOutLayoutParams.TYPE_SYSTEM_OVERLAY;
             }
         }
         return params;