Resize image on res/drawable, change what action do when phone shaking

app/src/main/java/com/example/leo/fitnessdiy/ChatActivity.java

@@ -134,7 +134,7 @@ public class ChatActivity extends AppCompatActivity {
             float delta = acelVal - acelLast;
             shake = shake * 0.9f + delta; // perform low-cut filter
             if (shake >12) {
-                Intent i = new Intent(getApplicationContext(), HomeActivity.class);
+                Intent i = new Intent(getApplicationContext(), HIstoryActivity.class);
                 startActivity(i);
             }
         }

app/src/main/res/layout/activity_history.xml

@@ -7,6 +7,7 @@
     android:layout_height="match_parent"
     android:orientation="vertical"
     android:padding="16dp"
+    android:background="@drawable/layout_bg"
     tools:context="com.example.leo.fitnessdiy.HIstoryActivity">
         <android.support.v7.widget.CardView
             android:id="@+id/jogging"

app/src/main/res/layout/activity_pushup.xml

@@ -46,7 +46,6 @@
             android:layout_marginTop="30dp"
             android:layout_marginBottom="20dp"
             android:text="Do Push Up 30 Times"
-            android:textColor="@color/bodyTextColor"
             android:textSize="18dp" />
 
         <Button
@@ -82,7 +81,7 @@
                 android:src="@drawable/pushup_video_1" />
 
             <TextView
-                android:layout_width="106dp"
+                android:layout_width="84dp"
                 android:layout_height="53dp"
                 android:text="@string/pushup_demo"
                 android:textColor="@color/headingColor" />

app/src/main/res/values/strings.xml

@@ -23,7 +23,7 @@
     <string name="pushup">Push Up</string>
     <string name="motivation_pushup">Push Up Challenge : Before and After</string>
     <string name="pushup_demo">How to Push Up Properly</string>
-    <string name="pushup_video">Push Up Video</string>
+    <string name="pushup_video">Need Insight?</string>
     <string name="situp">Sit Up</string>
     <string name="motivation_situp">Sit Up Challenge : Before and After</string>
     <string name="situp_demo">How to do sit up properly</string>