Adding more stub implementation to sherlock-no-op module

sherlock-no-op/src/main/java/com/singhajit/sherlock/core/investigation/Crash.java

@@ -1,4 +1,48 @@
 package com.singhajit.sherlock.core.investigation;
 
+import java.util.Date;
+
 public class Crash {
+  public static final String DATE_FORMAT = "EEE MMM dd kk:mm:ss z yyyy";
+
+  public Crash(String place, String reason, String stackTrace) {
+  }
+
+  public Crash(int id, String placeOfCrash, String reasonOfCrash, String stacktrace, String date) {
+  }
+
+  public DeviceInfo getDeviceInfo() {
+    return new DeviceInfo.Builder().build();
+  }
+
+  public AppInfo getAppInfo() {
+    return new AppInfo();
+  }
+
+  public void setId(int id) {
+  }
+
+  public Class<Crash> getType() {
+    return Crash.class;
+  }
+
+  public String getReason() {
+    return "";
+  }
+
+  public String getStackTrace() {
+    return "";
+  }
+
+  public String getPlace() {
+    return "";
+  }
+
+  public int getId() {
+    return 0;
+  }
+
+  public Date getDate() {
+    return new Date();
+  }
 }

sherlock-no-op/src/main/java/com/singhajit/sherlock/core/investigation/DeviceInfo.java

@@ -0,0 +1,44 @@
+package com.singhajit.sherlock.core.investigation;
+
+public class DeviceInfo {
+  private DeviceInfo() {
+  }
+
+  public String getManufacturer() {
+    return "";
+  }
+
+  public String getBrand() {
+    return "";
+  }
+
+  public String getName() {
+    return "";
+  }
+
+  public String getSdk() {
+    return "";
+  }
+
+  public static class Builder {
+    public Builder withBrand(String brand) {
+      return this;
+    }
+
+    public Builder withSDK(String sdk) {
+      return this;
+    }
+
+    public Builder withModel(String name) {
+      return this;
+    }
+
+    public Builder withManufacturer(String manufacturer) {
+      return this;
+    }
+
+    public DeviceInfo build() {
+      return new DeviceInfo();
+    }
+  }
+}

sherlock-no-op/src/main/java/com/singhajit/sherlock/core/investigation/DeviceInfoProvider.java

@@ -0,0 +1,7 @@
+package com.singhajit.sherlock.core.investigation;
+
+public class DeviceInfoProvider {
+  public static DeviceInfo getDeviceInfo() {
+    return new DeviceInfo.Builder().build();
+  }
+}

sherlock-no-op/src/main/java/com/singhajit/sherlock/crashes/CrashListActivity.java

@@ -0,0 +1,6 @@
+package com.singhajit.sherlock.crashes;
+
+import android.app.Activity;
+
+public class CrashListActivity extends Activity {
+}

sherlock/src/main/java/com/singhajit/sherlock/core/investigation/Pair.java

@@ -1,6 +1,6 @@
 package com.singhajit.sherlock.core.investigation;
 
-public class Pair {
+class Pair {
   private String key;
   private String val;